Update package.json

Fix hang on Serial overflow, PIOSerial stop bit handling (#401 )
When the Serial software FIFOs overeflowed, the IRQ handler would not read any more data from the hardware FIFOs. This would cause the IRQ handler to be continually called as soon as it exited since the HW FIFOS were not empty. Now always read every available HW FIFO entry and throw out any that don't fit in the SW FIFO. Also fix a too long by half stop bit timing in the PIOSerial receiver.
2022-01-02 09:45:44 -08:00 · 2022-01-02 05:46:33 -08:00 · 2022-01-01 13:05:25 -08:00 · 2021-12-30 16:02:15 -08:00 · 2021-12-30 15:57:13 -08:00 · 2021-12-30 09:56:59 -08:00
28 changed files with 1375 additions and 130 deletions
@@ -13,6 +13,7 @@ See https://arduino-pico.readthedocs.io/en/latest/ along with the examples for m
 * Raspberry Pi Pico
 * Adafruit Feather RP2040
 * Adafruit ItsyBitsy RP2040
+* Adafruit KB2040
 * Adafruit Macropad RP2040
 * Adafruit QTPy RP2040
 * Adafruit STEMMA Friend RP2040
@@ -145,6 +146,7 @@ The RP2040 PIO state machines (SMs) are used to generate jitter-free:
 * Servos
 * Tones
 * I2S Output
+* Software UARTs (Serial ports)

 # Tutorials from Across the Web
 Here are some links to coverage and additional tutorials for using `arduino-pico`
@@ -1,3 +1,7 @@
+# WARNING - DO NOT EDIT THIS FILE, IT IS MACHINE GENERATED
+#           To change something here, edit tools/makeboards.py and
+#           run 'python3 makeboards.py > ../boards.txt' to regenerate
+
 menu.BoardModel=Model
 menu.flash=Flash Size
 menu.freq=CPU Speed
@@ -29,7 +33,6 @@ rpipico.serial.disableRTS=false
 rpipico.build.f_cpu=125000000
 rpipico.build.led=
 rpipico.build.core=rp2040
-rpipico.build.mcu=rp2040
 rpipico.build.ldscript=memmap_default.ld
 rpipico.build.ram_length=256k
 rpipico.build.boot2=boot2_w25q080_2_padded_checksum
@@ -157,7 +160,6 @@ rpipicopicoprobe.serial.disableRTS=false
 rpipicopicoprobe.build.f_cpu=125000000
 rpipicopicoprobe.build.led=
 rpipicopicoprobe.build.core=rp2040
-rpipicopicoprobe.build.mcu=rp2040
 rpipicopicoprobe.build.ldscript=memmap_default.ld
 rpipicopicoprobe.build.ram_length=256k
 rpipicopicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -285,7 +287,6 @@ rpipicopicodebug.serial.disableRTS=false
 rpipicopicodebug.build.f_cpu=125000000
 rpipicopicodebug.build.led=
 rpipicopicodebug.build.core=rp2040
-rpipicopicodebug.build.mcu=rp2040
 rpipicopicodebug.build.ldscript=memmap_default.ld
 rpipicopicodebug.build.ram_length=240k
 rpipicopicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -411,7 +412,6 @@ adafruit_feather.serial.disableRTS=false
 adafruit_feather.build.f_cpu=125000000
 adafruit_feather.build.led=
 adafruit_feather.build.core=rp2040
-adafruit_feather.build.mcu=rp2040
 adafruit_feather.build.ldscript=memmap_default.ld
 adafruit_feather.build.ram_length=256k
 adafruit_feather.build.boot2=boot2_w25x10cl_4_padded_checksum
@@ -575,7 +575,6 @@ adafruit_featherpicoprobe.serial.disableRTS=false
 adafruit_featherpicoprobe.build.f_cpu=125000000
 adafruit_featherpicoprobe.build.led=
 adafruit_featherpicoprobe.build.core=rp2040
-adafruit_featherpicoprobe.build.mcu=rp2040
 adafruit_featherpicoprobe.build.ldscript=memmap_default.ld
 adafruit_featherpicoprobe.build.ram_length=256k
 adafruit_featherpicoprobe.build.boot2=boot2_w25x10cl_4_padded_checksum
@@ -739,7 +738,6 @@ adafruit_featherpicodebug.serial.disableRTS=false
 adafruit_featherpicodebug.build.f_cpu=125000000
 adafruit_featherpicodebug.build.led=
 adafruit_featherpicodebug.build.core=rp2040
-adafruit_featherpicodebug.build.mcu=rp2040
 adafruit_featherpicodebug.build.ldscript=memmap_default.ld
 adafruit_featherpicodebug.build.ram_length=240k
 adafruit_featherpicodebug.build.boot2=boot2_w25x10cl_4_padded_checksum
@@ -901,7 +899,6 @@ adafruit_itsybitsy.serial.disableRTS=false
 adafruit_itsybitsy.build.f_cpu=125000000
 adafruit_itsybitsy.build.led=
 adafruit_itsybitsy.build.core=rp2040
-adafruit_itsybitsy.build.mcu=rp2040
 adafruit_itsybitsy.build.ldscript=memmap_default.ld
 adafruit_itsybitsy.build.ram_length=256k
 adafruit_itsybitsy.build.boot2=boot2_w25q080_2_padded_checksum
@@ -1065,7 +1062,6 @@ adafruit_itsybitsypicoprobe.serial.disableRTS=false
 adafruit_itsybitsypicoprobe.build.f_cpu=125000000
 adafruit_itsybitsypicoprobe.build.led=
 adafruit_itsybitsypicoprobe.build.core=rp2040
-adafruit_itsybitsypicoprobe.build.mcu=rp2040
 adafruit_itsybitsypicoprobe.build.ldscript=memmap_default.ld
 adafruit_itsybitsypicoprobe.build.ram_length=256k
 adafruit_itsybitsypicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -1229,7 +1225,6 @@ adafruit_itsybitsypicodebug.serial.disableRTS=false
 adafruit_itsybitsypicodebug.build.f_cpu=125000000
 adafruit_itsybitsypicodebug.build.led=
 adafruit_itsybitsypicodebug.build.core=rp2040
-adafruit_itsybitsypicodebug.build.mcu=rp2040
 adafruit_itsybitsypicodebug.build.ldscript=memmap_default.ld
 adafruit_itsybitsypicodebug.build.ram_length=240k
 adafruit_itsybitsypicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -1391,7 +1386,6 @@ adafruit_qtpy.serial.disableRTS=false
 adafruit_qtpy.build.f_cpu=125000000
 adafruit_qtpy.build.led=
 adafruit_qtpy.build.core=rp2040
-adafruit_qtpy.build.mcu=rp2040
 adafruit_qtpy.build.ldscript=memmap_default.ld
 adafruit_qtpy.build.ram_length=256k
 adafruit_qtpy.build.boot2=boot2_w25q080_2_padded_checksum
@@ -1555,7 +1549,6 @@ adafruit_qtpypicoprobe.serial.disableRTS=false
 adafruit_qtpypicoprobe.build.f_cpu=125000000
 adafruit_qtpypicoprobe.build.led=
 adafruit_qtpypicoprobe.build.core=rp2040
-adafruit_qtpypicoprobe.build.mcu=rp2040
 adafruit_qtpypicoprobe.build.ldscript=memmap_default.ld
 adafruit_qtpypicoprobe.build.ram_length=256k
 adafruit_qtpypicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -1719,7 +1712,6 @@ adafruit_qtpypicodebug.serial.disableRTS=false
 adafruit_qtpypicodebug.build.f_cpu=125000000
 adafruit_qtpypicodebug.build.led=
 adafruit_qtpypicodebug.build.core=rp2040
-adafruit_qtpypicodebug.build.mcu=rp2040
 adafruit_qtpypicodebug.build.ldscript=memmap_default.ld
 adafruit_qtpypicodebug.build.ram_length=240k
 adafruit_qtpypicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -1881,7 +1873,6 @@ adafruit_stemmafriend.serial.disableRTS=false
 adafruit_stemmafriend.build.f_cpu=125000000
 adafruit_stemmafriend.build.led=
 adafruit_stemmafriend.build.core=rp2040
-adafruit_stemmafriend.build.mcu=rp2040
 adafruit_stemmafriend.build.ldscript=memmap_default.ld
 adafruit_stemmafriend.build.ram_length=256k
 adafruit_stemmafriend.build.boot2=boot2_w25q080_2_padded_checksum
@@ -2045,7 +2036,6 @@ adafruit_stemmafriendpicoprobe.serial.disableRTS=false
 adafruit_stemmafriendpicoprobe.build.f_cpu=125000000
 adafruit_stemmafriendpicoprobe.build.led=
 adafruit_stemmafriendpicoprobe.build.core=rp2040
-adafruit_stemmafriendpicoprobe.build.mcu=rp2040
 adafruit_stemmafriendpicoprobe.build.ldscript=memmap_default.ld
 adafruit_stemmafriendpicoprobe.build.ram_length=256k
 adafruit_stemmafriendpicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -2209,7 +2199,6 @@ adafruit_stemmafriendpicodebug.serial.disableRTS=false
 adafruit_stemmafriendpicodebug.build.f_cpu=125000000
 adafruit_stemmafriendpicodebug.build.led=
 adafruit_stemmafriendpicodebug.build.core=rp2040
-adafruit_stemmafriendpicodebug.build.mcu=rp2040
 adafruit_stemmafriendpicodebug.build.ldscript=memmap_default.ld
 adafruit_stemmafriendpicodebug.build.ram_length=240k
 adafruit_stemmafriendpicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -2371,7 +2360,6 @@ adafruit_trinkeyrp2040qt.serial.disableRTS=false
 adafruit_trinkeyrp2040qt.build.f_cpu=125000000
 adafruit_trinkeyrp2040qt.build.led=
 adafruit_trinkeyrp2040qt.build.core=rp2040
-adafruit_trinkeyrp2040qt.build.mcu=rp2040
 adafruit_trinkeyrp2040qt.build.ldscript=memmap_default.ld
 adafruit_trinkeyrp2040qt.build.ram_length=256k
 adafruit_trinkeyrp2040qt.build.boot2=boot2_w25q080_2_padded_checksum
@@ -2535,7 +2523,6 @@ adafruit_trinkeyrp2040qtpicoprobe.serial.disableRTS=false
 adafruit_trinkeyrp2040qtpicoprobe.build.f_cpu=125000000
 adafruit_trinkeyrp2040qtpicoprobe.build.led=
 adafruit_trinkeyrp2040qtpicoprobe.build.core=rp2040
-adafruit_trinkeyrp2040qtpicoprobe.build.mcu=rp2040
 adafruit_trinkeyrp2040qtpicoprobe.build.ldscript=memmap_default.ld
 adafruit_trinkeyrp2040qtpicoprobe.build.ram_length=256k
 adafruit_trinkeyrp2040qtpicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -2699,7 +2686,6 @@ adafruit_trinkeyrp2040qtpicodebug.serial.disableRTS=false
 adafruit_trinkeyrp2040qtpicodebug.build.f_cpu=125000000
 adafruit_trinkeyrp2040qtpicodebug.build.led=
 adafruit_trinkeyrp2040qtpicodebug.build.core=rp2040
-adafruit_trinkeyrp2040qtpicodebug.build.mcu=rp2040
 adafruit_trinkeyrp2040qtpicodebug.build.ldscript=memmap_default.ld
 adafruit_trinkeyrp2040qtpicodebug.build.ram_length=240k
 adafruit_trinkeyrp2040qtpicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -2861,7 +2847,6 @@ adafruit_macropad2040.serial.disableRTS=false
 adafruit_macropad2040.build.f_cpu=125000000
 adafruit_macropad2040.build.led=
 adafruit_macropad2040.build.core=rp2040
-adafruit_macropad2040.build.mcu=rp2040
 adafruit_macropad2040.build.ldscript=memmap_default.ld
 adafruit_macropad2040.build.ram_length=256k
 adafruit_macropad2040.build.boot2=boot2_w25q080_2_padded_checksum
@@ -3025,7 +3010,6 @@ adafruit_macropad2040picoprobe.serial.disableRTS=false
 adafruit_macropad2040picoprobe.build.f_cpu=125000000
 adafruit_macropad2040picoprobe.build.led=
 adafruit_macropad2040picoprobe.build.core=rp2040
-adafruit_macropad2040picoprobe.build.mcu=rp2040
 adafruit_macropad2040picoprobe.build.ldscript=memmap_default.ld
 adafruit_macropad2040picoprobe.build.ram_length=256k
 adafruit_macropad2040picoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -3189,7 +3173,6 @@ adafruit_macropad2040picodebug.serial.disableRTS=false
 adafruit_macropad2040picodebug.build.f_cpu=125000000
 adafruit_macropad2040picodebug.build.led=
 adafruit_macropad2040picodebug.build.core=rp2040
-adafruit_macropad2040picodebug.build.mcu=rp2040
 adafruit_macropad2040picodebug.build.ldscript=memmap_default.ld
 adafruit_macropad2040picodebug.build.ram_length=240k
 adafruit_macropad2040picodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -3330,6 +3313,493 @@ adafruit_macropad2040picodebug.menu.dbglvl.NDEBUG.build.debug_level=-DNDEBUG
 adafruit_macropad2040picodebug.menu.usbstack.nousb=No USB
 adafruit_macropad2040picodebug.menu.usbstack.nousb.build.usbstack_flags="-DNO_USB -DDISABLE_USB_SERIAL -I{runtime.platform.path}/tools/libpico"

+# -----------------------------------
+# Adafruit KB2040
+# -----------------------------------
+adafruit_kb2040.name=Adafruit KB2040
+adafruit_kb2040.vid.0=0x239a
+adafruit_kb2040.pid.0=0x8105
+adafruit_kb2040.build.usbpid=-DSERIALUSB_PID=0x8105
+adafruit_kb2040.build.usbpwr=-DUSBD_MAX_POWER_MA=250
+adafruit_kb2040.build.board=ADAFRUIT_KB2040_RP2040
+adafruit_kb2040.build.mcu=cortex-m0plus
+adafruit_kb2040.build.variant=adafruit_kb2040
+adafruit_kb2040.upload.tool=uf2conv
+adafruit_kb2040.upload.maximum_size=8388608
+adafruit_kb2040.upload.maximum_data_size=262144
+adafruit_kb2040.upload.wait_for_upload_port=true
+adafruit_kb2040.upload.erase_cmd=
+adafruit_kb2040.serial.disableDTR=false
+adafruit_kb2040.serial.disableRTS=false
+adafruit_kb2040.build.f_cpu=125000000
+adafruit_kb2040.build.led=
+adafruit_kb2040.build.core=rp2040
+adafruit_kb2040.build.ldscript=memmap_default.ld
+adafruit_kb2040.build.ram_length=256k
+adafruit_kb2040.build.boot2=boot2_w25q080_2_padded_checksum
+adafruit_kb2040.build.vid=0x239a
+adafruit_kb2040.build.pid=0x8105
+adafruit_kb2040.build.usb_manufacturer="Adafruit"
+adafruit_kb2040.build.usb_product="KB2040"
+adafruit_kb2040.menu.flash.8388608_0=8MB (no FS)
+adafruit_kb2040.menu.flash.8388608_0.upload.maximum_size=8384512
+adafruit_kb2040.menu.flash.8388608_0.build.flash_length=8384512
+adafruit_kb2040.menu.flash.8388608_0.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_0.build.fs_start=276819968
+adafruit_kb2040.menu.flash.8388608_0.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_65536=8MB (Sketch: 8128KB, FS: 64KB)
+adafruit_kb2040.menu.flash.8388608_65536.upload.maximum_size=8318976
+adafruit_kb2040.menu.flash.8388608_65536.build.flash_length=8318976
+adafruit_kb2040.menu.flash.8388608_65536.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_65536.build.fs_start=276754432
+adafruit_kb2040.menu.flash.8388608_65536.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_131072=8MB (Sketch: 8064KB, FS: 128KB)
+adafruit_kb2040.menu.flash.8388608_131072.upload.maximum_size=8253440
+adafruit_kb2040.menu.flash.8388608_131072.build.flash_length=8253440
+adafruit_kb2040.menu.flash.8388608_131072.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_131072.build.fs_start=276688896
+adafruit_kb2040.menu.flash.8388608_131072.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_262144=8MB (Sketch: 7936KB, FS: 256KB)
+adafruit_kb2040.menu.flash.8388608_262144.upload.maximum_size=8122368
+adafruit_kb2040.menu.flash.8388608_262144.build.flash_length=8122368
+adafruit_kb2040.menu.flash.8388608_262144.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_262144.build.fs_start=276557824
+adafruit_kb2040.menu.flash.8388608_262144.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_524288=8MB (Sketch: 7680KB, FS: 512KB)
+adafruit_kb2040.menu.flash.8388608_524288.upload.maximum_size=7860224
+adafruit_kb2040.menu.flash.8388608_524288.build.flash_length=7860224
+adafruit_kb2040.menu.flash.8388608_524288.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_524288.build.fs_start=276295680
+adafruit_kb2040.menu.flash.8388608_524288.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_1048576=8MB (Sketch: 7MB, FS: 1MB)
+adafruit_kb2040.menu.flash.8388608_1048576.upload.maximum_size=7335936
+adafruit_kb2040.menu.flash.8388608_1048576.build.flash_length=7335936
+adafruit_kb2040.menu.flash.8388608_1048576.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_1048576.build.fs_start=275771392
+adafruit_kb2040.menu.flash.8388608_1048576.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_2097152=8MB (Sketch: 6MB, FS: 2MB)
+adafruit_kb2040.menu.flash.8388608_2097152.upload.maximum_size=6287360
+adafruit_kb2040.menu.flash.8388608_2097152.build.flash_length=6287360
+adafruit_kb2040.menu.flash.8388608_2097152.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_2097152.build.fs_start=274722816
+adafruit_kb2040.menu.flash.8388608_2097152.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_3145728=8MB (Sketch: 5MB, FS: 3MB)
+adafruit_kb2040.menu.flash.8388608_3145728.upload.maximum_size=5238784
+adafruit_kb2040.menu.flash.8388608_3145728.build.flash_length=5238784
+adafruit_kb2040.menu.flash.8388608_3145728.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_3145728.build.fs_start=273674240
+adafruit_kb2040.menu.flash.8388608_3145728.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_4194304=8MB (Sketch: 4MB, FS: 4MB)
+adafruit_kb2040.menu.flash.8388608_4194304.upload.maximum_size=4190208
+adafruit_kb2040.menu.flash.8388608_4194304.build.flash_length=4190208
+adafruit_kb2040.menu.flash.8388608_4194304.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_4194304.build.fs_start=272625664
+adafruit_kb2040.menu.flash.8388608_4194304.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_5242880=8MB (Sketch: 3MB, FS: 5MB)
+adafruit_kb2040.menu.flash.8388608_5242880.upload.maximum_size=3141632
+adafruit_kb2040.menu.flash.8388608_5242880.build.flash_length=3141632
+adafruit_kb2040.menu.flash.8388608_5242880.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_5242880.build.fs_start=271577088
+adafruit_kb2040.menu.flash.8388608_5242880.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_6291456=8MB (Sketch: 2MB, FS: 6MB)
+adafruit_kb2040.menu.flash.8388608_6291456.upload.maximum_size=2093056
+adafruit_kb2040.menu.flash.8388608_6291456.build.flash_length=2093056
+adafruit_kb2040.menu.flash.8388608_6291456.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_6291456.build.fs_start=270528512
+adafruit_kb2040.menu.flash.8388608_6291456.build.fs_end=276819968
+adafruit_kb2040.menu.flash.8388608_7340032=8MB (Sketch: 1MB, FS: 7MB)
+adafruit_kb2040.menu.flash.8388608_7340032.upload.maximum_size=1044480
+adafruit_kb2040.menu.flash.8388608_7340032.build.flash_length=1044480
+adafruit_kb2040.menu.flash.8388608_7340032.build.eeprom_start=276819968
+adafruit_kb2040.menu.flash.8388608_7340032.build.fs_start=269479936
+adafruit_kb2040.menu.flash.8388608_7340032.build.fs_end=276819968
+adafruit_kb2040.menu.freq.125=125 MHz
+adafruit_kb2040.menu.freq.125.build.f_cpu=125000000L
+adafruit_kb2040.menu.freq.50=50 MHz
+adafruit_kb2040.menu.freq.50.build.f_cpu=50000000L
+adafruit_kb2040.menu.freq.100=100 MHz
+adafruit_kb2040.menu.freq.100.build.f_cpu=100000000L
+adafruit_kb2040.menu.freq.133=133 MHz
+adafruit_kb2040.menu.freq.133.build.f_cpu=133000000L
+adafruit_kb2040.menu.freq.150=150 MHz (Overclock)
+adafruit_kb2040.menu.freq.150.build.f_cpu=150000000L
+adafruit_kb2040.menu.freq.175=175 MHz (Overclock)
+adafruit_kb2040.menu.freq.175.build.f_cpu=175000000L
+adafruit_kb2040.menu.freq.200=200 MHz (Overclock)
+adafruit_kb2040.menu.freq.200.build.f_cpu=200000000L
+adafruit_kb2040.menu.freq.225=225 MHz (Overclock)
+adafruit_kb2040.menu.freq.225.build.f_cpu=225000000L
+adafruit_kb2040.menu.freq.250=250 MHz (Overclock)
+adafruit_kb2040.menu.freq.250.build.f_cpu=250000000L
+adafruit_kb2040.menu.freq.275=275 MHz (Overclock)
+adafruit_kb2040.menu.freq.275.build.f_cpu=275000000L
+adafruit_kb2040.menu.freq.300=300 MHz (Overclock)
+adafruit_kb2040.menu.freq.300.build.f_cpu=300000000L
+adafruit_kb2040.menu.opt.Small=Small (-Os) (standard)
+adafruit_kb2040.menu.opt.Small.build.flags.optimize=-Os
+adafruit_kb2040.menu.opt.Optimize=Optimize (-O)
+adafruit_kb2040.menu.opt.Optimize.build.flags.optimize=-O
+adafruit_kb2040.menu.opt.Optimize2=Optimize More (-O2)
+adafruit_kb2040.menu.opt.Optimize2.build.flags.optimize=-O2
+adafruit_kb2040.menu.opt.Optimize3=Optimize Even More (-O3)
+adafruit_kb2040.menu.opt.Optimize3.build.flags.optimize=-O3
+adafruit_kb2040.menu.opt.Fast=Fast (-Ofast) (maybe slower)
+adafruit_kb2040.menu.opt.Fast.build.flags.optimize=-Ofast
+adafruit_kb2040.menu.opt.Debug=Debug (-Og)
+adafruit_kb2040.menu.opt.Debug.build.flags.optimize=-Og
+adafruit_kb2040.menu.rtti.Disabled=Disabled
+adafruit_kb2040.menu.rtti.Disabled.build.flags.rtti=-fno-rtti
+adafruit_kb2040.menu.rtti.Enabled=Enabled
+adafruit_kb2040.menu.rtti.Enabled.build.flags.rtti=
+adafruit_kb2040.menu.dbgport.Disabled=Disabled
+adafruit_kb2040.menu.dbgport.Disabled.build.debug_port=
+adafruit_kb2040.menu.dbgport.Serial=Serial
+adafruit_kb2040.menu.dbgport.Serial.build.debug_port=-DDEBUG_RP2040_PORT=Serial
+adafruit_kb2040.menu.dbgport.Serial1=Serial1
+adafruit_kb2040.menu.dbgport.Serial1.build.debug_port=-DDEBUG_RP2040_PORT=Serial1
+adafruit_kb2040.menu.dbgport.Serial2=Serial2
+adafruit_kb2040.menu.dbgport.Serial2.build.debug_port=-DDEBUG_RP2040_PORT=Serial2
+adafruit_kb2040.menu.dbglvl.None=None
+adafruit_kb2040.menu.dbglvl.None.build.debug_level=
+adafruit_kb2040.menu.dbglvl.Core=Core
+adafruit_kb2040.menu.dbglvl.Core.build.debug_level=-DDEBUG_RP2040_CORE
+adafruit_kb2040.menu.dbglvl.SPI=SPI
+adafruit_kb2040.menu.dbglvl.SPI.build.debug_level=-DDEBUG_RP2040_SPI
+adafruit_kb2040.menu.dbglvl.Wire=Wire
+adafruit_kb2040.menu.dbglvl.Wire.build.debug_level=-DDEBUG_RP2040_WIRE
+adafruit_kb2040.menu.dbglvl.All=All
+adafruit_kb2040.menu.dbglvl.All.build.debug_level=-DDEBUG_RP2040_WIRE -DDEBUG_RP2040_SPI -DDEBUG_RP2040_CORE
+adafruit_kb2040.menu.dbglvl.NDEBUG=NDEBUG
+adafruit_kb2040.menu.dbglvl.NDEBUG.build.debug_level=-DNDEBUG
+adafruit_kb2040.menu.usbstack.picosdk=Pico SDK
+adafruit_kb2040.menu.usbstack.picosdk.build.usbstack_flags="-I{runtime.platform.path}/tools/libpico"
+adafruit_kb2040.menu.usbstack.tinyusb=Adafruit TinyUSB
+adafruit_kb2040.menu.usbstack.tinyusb.build.usbstack_flags=-DUSE_TINYUSB "-I{runtime.platform.path}/libraries/Adafruit_TinyUSB_Arduino/src/arduino"
+
+# -----------------------------------
+# Adafruit KB2040 (Picoprobe)
+# -----------------------------------
+adafruit_kb2040picoprobe.name=Adafruit KB2040 (Picoprobe)
+adafruit_kb2040picoprobe.vid.0=0x239a
+adafruit_kb2040picoprobe.pid.0=0x0004
+adafruit_kb2040picoprobe.build.usbpid=-DSERIALUSB_PID=0x8105
+adafruit_kb2040picoprobe.build.usbpwr=-DUSBD_MAX_POWER_MA=250
+adafruit_kb2040picoprobe.build.board=ADAFRUIT_KB2040_RP2040
+adafruit_kb2040picoprobe.build.mcu=cortex-m0plus
+adafruit_kb2040picoprobe.build.variant=adafruit_kb2040
+adafruit_kb2040picoprobe.upload.tool=picoprobe
+adafruit_kb2040picoprobe.upload.maximum_size=8388608
+adafruit_kb2040picoprobe.upload.maximum_data_size=262144
+adafruit_kb2040picoprobe.upload.wait_for_upload_port=true
+adafruit_kb2040picoprobe.upload.erase_cmd=
+adafruit_kb2040picoprobe.serial.disableDTR=false
+adafruit_kb2040picoprobe.serial.disableRTS=false
+adafruit_kb2040picoprobe.build.f_cpu=125000000
+adafruit_kb2040picoprobe.build.led=
+adafruit_kb2040picoprobe.build.core=rp2040
+adafruit_kb2040picoprobe.build.ldscript=memmap_default.ld
+adafruit_kb2040picoprobe.build.ram_length=256k
+adafruit_kb2040picoprobe.build.boot2=boot2_w25q080_2_padded_checksum
+adafruit_kb2040picoprobe.build.vid=0x239a
+adafruit_kb2040picoprobe.build.pid=0x8105
+adafruit_kb2040picoprobe.build.usb_manufacturer="Adafruit"
+adafruit_kb2040picoprobe.build.usb_product="KB2040 (Picoprobe)"
+adafruit_kb2040picoprobe.menu.flash.8388608_0=8MB (no FS)
+adafruit_kb2040picoprobe.menu.flash.8388608_0.upload.maximum_size=8384512
+adafruit_kb2040picoprobe.menu.flash.8388608_0.build.flash_length=8384512
+adafruit_kb2040picoprobe.menu.flash.8388608_0.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_0.build.fs_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_0.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_65536=8MB (Sketch: 8128KB, FS: 64KB)
+adafruit_kb2040picoprobe.menu.flash.8388608_65536.upload.maximum_size=8318976
+adafruit_kb2040picoprobe.menu.flash.8388608_65536.build.flash_length=8318976
+adafruit_kb2040picoprobe.menu.flash.8388608_65536.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_65536.build.fs_start=276754432
+adafruit_kb2040picoprobe.menu.flash.8388608_65536.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_131072=8MB (Sketch: 8064KB, FS: 128KB)
+adafruit_kb2040picoprobe.menu.flash.8388608_131072.upload.maximum_size=8253440
+adafruit_kb2040picoprobe.menu.flash.8388608_131072.build.flash_length=8253440
+adafruit_kb2040picoprobe.menu.flash.8388608_131072.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_131072.build.fs_start=276688896
+adafruit_kb2040picoprobe.menu.flash.8388608_131072.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_262144=8MB (Sketch: 7936KB, FS: 256KB)
+adafruit_kb2040picoprobe.menu.flash.8388608_262144.upload.maximum_size=8122368
+adafruit_kb2040picoprobe.menu.flash.8388608_262144.build.flash_length=8122368
+adafruit_kb2040picoprobe.menu.flash.8388608_262144.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_262144.build.fs_start=276557824
+adafruit_kb2040picoprobe.menu.flash.8388608_262144.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_524288=8MB (Sketch: 7680KB, FS: 512KB)
+adafruit_kb2040picoprobe.menu.flash.8388608_524288.upload.maximum_size=7860224
+adafruit_kb2040picoprobe.menu.flash.8388608_524288.build.flash_length=7860224
+adafruit_kb2040picoprobe.menu.flash.8388608_524288.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_524288.build.fs_start=276295680
+adafruit_kb2040picoprobe.menu.flash.8388608_524288.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_1048576=8MB (Sketch: 7MB, FS: 1MB)
+adafruit_kb2040picoprobe.menu.flash.8388608_1048576.upload.maximum_size=7335936
+adafruit_kb2040picoprobe.menu.flash.8388608_1048576.build.flash_length=7335936
+adafruit_kb2040picoprobe.menu.flash.8388608_1048576.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_1048576.build.fs_start=275771392
+adafruit_kb2040picoprobe.menu.flash.8388608_1048576.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_2097152=8MB (Sketch: 6MB, FS: 2MB)
+adafruit_kb2040picoprobe.menu.flash.8388608_2097152.upload.maximum_size=6287360
+adafruit_kb2040picoprobe.menu.flash.8388608_2097152.build.flash_length=6287360
+adafruit_kb2040picoprobe.menu.flash.8388608_2097152.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_2097152.build.fs_start=274722816
+adafruit_kb2040picoprobe.menu.flash.8388608_2097152.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_3145728=8MB (Sketch: 5MB, FS: 3MB)
+adafruit_kb2040picoprobe.menu.flash.8388608_3145728.upload.maximum_size=5238784
+adafruit_kb2040picoprobe.menu.flash.8388608_3145728.build.flash_length=5238784
+adafruit_kb2040picoprobe.menu.flash.8388608_3145728.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_3145728.build.fs_start=273674240
+adafruit_kb2040picoprobe.menu.flash.8388608_3145728.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_4194304=8MB (Sketch: 4MB, FS: 4MB)
+adafruit_kb2040picoprobe.menu.flash.8388608_4194304.upload.maximum_size=4190208
+adafruit_kb2040picoprobe.menu.flash.8388608_4194304.build.flash_length=4190208
+adafruit_kb2040picoprobe.menu.flash.8388608_4194304.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_4194304.build.fs_start=272625664
+adafruit_kb2040picoprobe.menu.flash.8388608_4194304.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_5242880=8MB (Sketch: 3MB, FS: 5MB)
+adafruit_kb2040picoprobe.menu.flash.8388608_5242880.upload.maximum_size=3141632
+adafruit_kb2040picoprobe.menu.flash.8388608_5242880.build.flash_length=3141632
+adafruit_kb2040picoprobe.menu.flash.8388608_5242880.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_5242880.build.fs_start=271577088
+adafruit_kb2040picoprobe.menu.flash.8388608_5242880.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_6291456=8MB (Sketch: 2MB, FS: 6MB)
+adafruit_kb2040picoprobe.menu.flash.8388608_6291456.upload.maximum_size=2093056
+adafruit_kb2040picoprobe.menu.flash.8388608_6291456.build.flash_length=2093056
+adafruit_kb2040picoprobe.menu.flash.8388608_6291456.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_6291456.build.fs_start=270528512
+adafruit_kb2040picoprobe.menu.flash.8388608_6291456.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_7340032=8MB (Sketch: 1MB, FS: 7MB)
+adafruit_kb2040picoprobe.menu.flash.8388608_7340032.upload.maximum_size=1044480
+adafruit_kb2040picoprobe.menu.flash.8388608_7340032.build.flash_length=1044480
+adafruit_kb2040picoprobe.menu.flash.8388608_7340032.build.eeprom_start=276819968
+adafruit_kb2040picoprobe.menu.flash.8388608_7340032.build.fs_start=269479936
+adafruit_kb2040picoprobe.menu.flash.8388608_7340032.build.fs_end=276819968
+adafruit_kb2040picoprobe.menu.freq.125=125 MHz
+adafruit_kb2040picoprobe.menu.freq.125.build.f_cpu=125000000L
+adafruit_kb2040picoprobe.menu.freq.50=50 MHz
+adafruit_kb2040picoprobe.menu.freq.50.build.f_cpu=50000000L
+adafruit_kb2040picoprobe.menu.freq.100=100 MHz
+adafruit_kb2040picoprobe.menu.freq.100.build.f_cpu=100000000L
+adafruit_kb2040picoprobe.menu.freq.133=133 MHz
+adafruit_kb2040picoprobe.menu.freq.133.build.f_cpu=133000000L
+adafruit_kb2040picoprobe.menu.freq.150=150 MHz (Overclock)
+adafruit_kb2040picoprobe.menu.freq.150.build.f_cpu=150000000L
+adafruit_kb2040picoprobe.menu.freq.175=175 MHz (Overclock)
+adafruit_kb2040picoprobe.menu.freq.175.build.f_cpu=175000000L
+adafruit_kb2040picoprobe.menu.freq.200=200 MHz (Overclock)
+adafruit_kb2040picoprobe.menu.freq.200.build.f_cpu=200000000L
+adafruit_kb2040picoprobe.menu.freq.225=225 MHz (Overclock)
+adafruit_kb2040picoprobe.menu.freq.225.build.f_cpu=225000000L
+adafruit_kb2040picoprobe.menu.freq.250=250 MHz (Overclock)
+adafruit_kb2040picoprobe.menu.freq.250.build.f_cpu=250000000L
+adafruit_kb2040picoprobe.menu.freq.275=275 MHz (Overclock)
+adafruit_kb2040picoprobe.menu.freq.275.build.f_cpu=275000000L
+adafruit_kb2040picoprobe.menu.freq.300=300 MHz (Overclock)
+adafruit_kb2040picoprobe.menu.freq.300.build.f_cpu=300000000L
+adafruit_kb2040picoprobe.menu.opt.Small=Small (-Os) (standard)
+adafruit_kb2040picoprobe.menu.opt.Small.build.flags.optimize=-Os
+adafruit_kb2040picoprobe.menu.opt.Optimize=Optimize (-O)
+adafruit_kb2040picoprobe.menu.opt.Optimize.build.flags.optimize=-O
+adafruit_kb2040picoprobe.menu.opt.Optimize2=Optimize More (-O2)
+adafruit_kb2040picoprobe.menu.opt.Optimize2.build.flags.optimize=-O2
+adafruit_kb2040picoprobe.menu.opt.Optimize3=Optimize Even More (-O3)
+adafruit_kb2040picoprobe.menu.opt.Optimize3.build.flags.optimize=-O3
+adafruit_kb2040picoprobe.menu.opt.Fast=Fast (-Ofast) (maybe slower)
+adafruit_kb2040picoprobe.menu.opt.Fast.build.flags.optimize=-Ofast
+adafruit_kb2040picoprobe.menu.opt.Debug=Debug (-Og)
+adafruit_kb2040picoprobe.menu.opt.Debug.build.flags.optimize=-Og
+adafruit_kb2040picoprobe.menu.rtti.Disabled=Disabled
+adafruit_kb2040picoprobe.menu.rtti.Disabled.build.flags.rtti=-fno-rtti
+adafruit_kb2040picoprobe.menu.rtti.Enabled=Enabled
+adafruit_kb2040picoprobe.menu.rtti.Enabled.build.flags.rtti=
+adafruit_kb2040picoprobe.menu.dbgport.Disabled=Disabled
+adafruit_kb2040picoprobe.menu.dbgport.Disabled.build.debug_port=
+adafruit_kb2040picoprobe.menu.dbgport.Serial=Serial
+adafruit_kb2040picoprobe.menu.dbgport.Serial.build.debug_port=-DDEBUG_RP2040_PORT=Serial
+adafruit_kb2040picoprobe.menu.dbgport.Serial1=Serial1
+adafruit_kb2040picoprobe.menu.dbgport.Serial1.build.debug_port=-DDEBUG_RP2040_PORT=Serial1
+adafruit_kb2040picoprobe.menu.dbgport.Serial2=Serial2
+adafruit_kb2040picoprobe.menu.dbgport.Serial2.build.debug_port=-DDEBUG_RP2040_PORT=Serial2
+adafruit_kb2040picoprobe.menu.dbglvl.None=None
+adafruit_kb2040picoprobe.menu.dbglvl.None.build.debug_level=
+adafruit_kb2040picoprobe.menu.dbglvl.Core=Core
+adafruit_kb2040picoprobe.menu.dbglvl.Core.build.debug_level=-DDEBUG_RP2040_CORE
+adafruit_kb2040picoprobe.menu.dbglvl.SPI=SPI
+adafruit_kb2040picoprobe.menu.dbglvl.SPI.build.debug_level=-DDEBUG_RP2040_SPI
+adafruit_kb2040picoprobe.menu.dbglvl.Wire=Wire
+adafruit_kb2040picoprobe.menu.dbglvl.Wire.build.debug_level=-DDEBUG_RP2040_WIRE
+adafruit_kb2040picoprobe.menu.dbglvl.All=All
+adafruit_kb2040picoprobe.menu.dbglvl.All.build.debug_level=-DDEBUG_RP2040_WIRE -DDEBUG_RP2040_SPI -DDEBUG_RP2040_CORE
+adafruit_kb2040picoprobe.menu.dbglvl.NDEBUG=NDEBUG
+adafruit_kb2040picoprobe.menu.dbglvl.NDEBUG.build.debug_level=-DNDEBUG
+adafruit_kb2040picoprobe.menu.usbstack.picosdk=Pico SDK
+adafruit_kb2040picoprobe.menu.usbstack.picosdk.build.usbstack_flags="-I{runtime.platform.path}/tools/libpico"
+adafruit_kb2040picoprobe.menu.usbstack.tinyusb=Adafruit TinyUSB
+adafruit_kb2040picoprobe.menu.usbstack.tinyusb.build.usbstack_flags=-DUSE_TINYUSB "-I{runtime.platform.path}/libraries/Adafruit_TinyUSB_Arduino/src/arduino"
+
+# -----------------------------------
+# Adafruit KB2040 (pico-debug)
+# -----------------------------------
+adafruit_kb2040picodebug.name=Adafruit KB2040 (pico-debug)
+adafruit_kb2040picodebug.vid.0=0x1209
+adafruit_kb2040picodebug.pid.0=0x2488
+adafruit_kb2040picodebug.build.usbpid=-DSERIALUSB_PID=0x8105
+adafruit_kb2040picodebug.build.usbpwr=-DUSBD_MAX_POWER_MA=250
+adafruit_kb2040picodebug.build.board=ADAFRUIT_KB2040_RP2040
+adafruit_kb2040picodebug.build.mcu=cortex-m0plus
+adafruit_kb2040picodebug.build.variant=adafruit_kb2040
+adafruit_kb2040picodebug.upload.tool=picodebug
+adafruit_kb2040picodebug.upload.maximum_size=8388608
+adafruit_kb2040picodebug.upload.maximum_data_size=245760
+adafruit_kb2040picodebug.upload.wait_for_upload_port=true
+adafruit_kb2040picodebug.upload.erase_cmd=
+adafruit_kb2040picodebug.serial.disableDTR=false
+adafruit_kb2040picodebug.serial.disableRTS=false
+adafruit_kb2040picodebug.build.f_cpu=125000000
+adafruit_kb2040picodebug.build.led=
+adafruit_kb2040picodebug.build.core=rp2040
+adafruit_kb2040picodebug.build.ldscript=memmap_default.ld
+adafruit_kb2040picodebug.build.ram_length=240k
+adafruit_kb2040picodebug.build.boot2=boot2_w25q080_2_padded_checksum
+adafruit_kb2040picodebug.build.vid=0x239a
+adafruit_kb2040picodebug.build.pid=0x8105
+adafruit_kb2040picodebug.build.usb_manufacturer="Adafruit"
+adafruit_kb2040picodebug.build.usb_product="KB2040 (pico-debug)"
+adafruit_kb2040picodebug.menu.flash.8388608_0=8MB (no FS)
+adafruit_kb2040picodebug.menu.flash.8388608_0.upload.maximum_size=8384512
+adafruit_kb2040picodebug.menu.flash.8388608_0.build.flash_length=8384512
+adafruit_kb2040picodebug.menu.flash.8388608_0.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_0.build.fs_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_0.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_65536=8MB (Sketch: 8128KB, FS: 64KB)
+adafruit_kb2040picodebug.menu.flash.8388608_65536.upload.maximum_size=8318976
+adafruit_kb2040picodebug.menu.flash.8388608_65536.build.flash_length=8318976
+adafruit_kb2040picodebug.menu.flash.8388608_65536.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_65536.build.fs_start=276754432
+adafruit_kb2040picodebug.menu.flash.8388608_65536.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_131072=8MB (Sketch: 8064KB, FS: 128KB)
+adafruit_kb2040picodebug.menu.flash.8388608_131072.upload.maximum_size=8253440
+adafruit_kb2040picodebug.menu.flash.8388608_131072.build.flash_length=8253440
+adafruit_kb2040picodebug.menu.flash.8388608_131072.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_131072.build.fs_start=276688896
+adafruit_kb2040picodebug.menu.flash.8388608_131072.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_262144=8MB (Sketch: 7936KB, FS: 256KB)
+adafruit_kb2040picodebug.menu.flash.8388608_262144.upload.maximum_size=8122368
+adafruit_kb2040picodebug.menu.flash.8388608_262144.build.flash_length=8122368
+adafruit_kb2040picodebug.menu.flash.8388608_262144.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_262144.build.fs_start=276557824
+adafruit_kb2040picodebug.menu.flash.8388608_262144.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_524288=8MB (Sketch: 7680KB, FS: 512KB)
+adafruit_kb2040picodebug.menu.flash.8388608_524288.upload.maximum_size=7860224
+adafruit_kb2040picodebug.menu.flash.8388608_524288.build.flash_length=7860224
+adafruit_kb2040picodebug.menu.flash.8388608_524288.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_524288.build.fs_start=276295680
+adafruit_kb2040picodebug.menu.flash.8388608_524288.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_1048576=8MB (Sketch: 7MB, FS: 1MB)
+adafruit_kb2040picodebug.menu.flash.8388608_1048576.upload.maximum_size=7335936
+adafruit_kb2040picodebug.menu.flash.8388608_1048576.build.flash_length=7335936
+adafruit_kb2040picodebug.menu.flash.8388608_1048576.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_1048576.build.fs_start=275771392
+adafruit_kb2040picodebug.menu.flash.8388608_1048576.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_2097152=8MB (Sketch: 6MB, FS: 2MB)
+adafruit_kb2040picodebug.menu.flash.8388608_2097152.upload.maximum_size=6287360
+adafruit_kb2040picodebug.menu.flash.8388608_2097152.build.flash_length=6287360
+adafruit_kb2040picodebug.menu.flash.8388608_2097152.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_2097152.build.fs_start=274722816
+adafruit_kb2040picodebug.menu.flash.8388608_2097152.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_3145728=8MB (Sketch: 5MB, FS: 3MB)
+adafruit_kb2040picodebug.menu.flash.8388608_3145728.upload.maximum_size=5238784
+adafruit_kb2040picodebug.menu.flash.8388608_3145728.build.flash_length=5238784
+adafruit_kb2040picodebug.menu.flash.8388608_3145728.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_3145728.build.fs_start=273674240
+adafruit_kb2040picodebug.menu.flash.8388608_3145728.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_4194304=8MB (Sketch: 4MB, FS: 4MB)
+adafruit_kb2040picodebug.menu.flash.8388608_4194304.upload.maximum_size=4190208
+adafruit_kb2040picodebug.menu.flash.8388608_4194304.build.flash_length=4190208
+adafruit_kb2040picodebug.menu.flash.8388608_4194304.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_4194304.build.fs_start=272625664
+adafruit_kb2040picodebug.menu.flash.8388608_4194304.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_5242880=8MB (Sketch: 3MB, FS: 5MB)
+adafruit_kb2040picodebug.menu.flash.8388608_5242880.upload.maximum_size=3141632
+adafruit_kb2040picodebug.menu.flash.8388608_5242880.build.flash_length=3141632
+adafruit_kb2040picodebug.menu.flash.8388608_5242880.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_5242880.build.fs_start=271577088
+adafruit_kb2040picodebug.menu.flash.8388608_5242880.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_6291456=8MB (Sketch: 2MB, FS: 6MB)
+adafruit_kb2040picodebug.menu.flash.8388608_6291456.upload.maximum_size=2093056
+adafruit_kb2040picodebug.menu.flash.8388608_6291456.build.flash_length=2093056
+adafruit_kb2040picodebug.menu.flash.8388608_6291456.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_6291456.build.fs_start=270528512
+adafruit_kb2040picodebug.menu.flash.8388608_6291456.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_7340032=8MB (Sketch: 1MB, FS: 7MB)
+adafruit_kb2040picodebug.menu.flash.8388608_7340032.upload.maximum_size=1044480
+adafruit_kb2040picodebug.menu.flash.8388608_7340032.build.flash_length=1044480
+adafruit_kb2040picodebug.menu.flash.8388608_7340032.build.eeprom_start=276819968
+adafruit_kb2040picodebug.menu.flash.8388608_7340032.build.fs_start=269479936
+adafruit_kb2040picodebug.menu.flash.8388608_7340032.build.fs_end=276819968
+adafruit_kb2040picodebug.menu.freq.125=125 MHz
+adafruit_kb2040picodebug.menu.freq.125.build.f_cpu=125000000L
+adafruit_kb2040picodebug.menu.freq.50=50 MHz
+adafruit_kb2040picodebug.menu.freq.50.build.f_cpu=50000000L
+adafruit_kb2040picodebug.menu.freq.100=100 MHz
+adafruit_kb2040picodebug.menu.freq.100.build.f_cpu=100000000L
+adafruit_kb2040picodebug.menu.freq.133=133 MHz
+adafruit_kb2040picodebug.menu.freq.133.build.f_cpu=133000000L
+adafruit_kb2040picodebug.menu.freq.150=150 MHz (Overclock)
+adafruit_kb2040picodebug.menu.freq.150.build.f_cpu=150000000L
+adafruit_kb2040picodebug.menu.freq.175=175 MHz (Overclock)
+adafruit_kb2040picodebug.menu.freq.175.build.f_cpu=175000000L
+adafruit_kb2040picodebug.menu.freq.200=200 MHz (Overclock)
+adafruit_kb2040picodebug.menu.freq.200.build.f_cpu=200000000L
+adafruit_kb2040picodebug.menu.freq.225=225 MHz (Overclock)
+adafruit_kb2040picodebug.menu.freq.225.build.f_cpu=225000000L
+adafruit_kb2040picodebug.menu.freq.250=250 MHz (Overclock)
+adafruit_kb2040picodebug.menu.freq.250.build.f_cpu=250000000L
+adafruit_kb2040picodebug.menu.freq.275=275 MHz (Overclock)
+adafruit_kb2040picodebug.menu.freq.275.build.f_cpu=275000000L
+adafruit_kb2040picodebug.menu.freq.300=300 MHz (Overclock)
+adafruit_kb2040picodebug.menu.freq.300.build.f_cpu=300000000L
+adafruit_kb2040picodebug.menu.opt.Small=Small (-Os) (standard)
+adafruit_kb2040picodebug.menu.opt.Small.build.flags.optimize=-Os
+adafruit_kb2040picodebug.menu.opt.Optimize=Optimize (-O)
+adafruit_kb2040picodebug.menu.opt.Optimize.build.flags.optimize=-O
+adafruit_kb2040picodebug.menu.opt.Optimize2=Optimize More (-O2)
+adafruit_kb2040picodebug.menu.opt.Optimize2.build.flags.optimize=-O2
+adafruit_kb2040picodebug.menu.opt.Optimize3=Optimize Even More (-O3)
+adafruit_kb2040picodebug.menu.opt.Optimize3.build.flags.optimize=-O3
+adafruit_kb2040picodebug.menu.opt.Fast=Fast (-Ofast) (maybe slower)
+adafruit_kb2040picodebug.menu.opt.Fast.build.flags.optimize=-Ofast
+adafruit_kb2040picodebug.menu.opt.Debug=Debug (-Og)
+adafruit_kb2040picodebug.menu.opt.Debug.build.flags.optimize=-Og
+adafruit_kb2040picodebug.menu.rtti.Disabled=Disabled
+adafruit_kb2040picodebug.menu.rtti.Disabled.build.flags.rtti=-fno-rtti
+adafruit_kb2040picodebug.menu.rtti.Enabled=Enabled
+adafruit_kb2040picodebug.menu.rtti.Enabled.build.flags.rtti=
+adafruit_kb2040picodebug.menu.dbgport.Disabled=Disabled
+adafruit_kb2040picodebug.menu.dbgport.Disabled.build.debug_port=
+adafruit_kb2040picodebug.menu.dbgport.Serial=Serial
+adafruit_kb2040picodebug.menu.dbgport.Serial.build.debug_port=-DDEBUG_RP2040_PORT=Serial
+adafruit_kb2040picodebug.menu.dbgport.Serial1=Serial1
+adafruit_kb2040picodebug.menu.dbgport.Serial1.build.debug_port=-DDEBUG_RP2040_PORT=Serial1
+adafruit_kb2040picodebug.menu.dbgport.Serial2=Serial2
+adafruit_kb2040picodebug.menu.dbgport.Serial2.build.debug_port=-DDEBUG_RP2040_PORT=Serial2
+adafruit_kb2040picodebug.menu.dbglvl.None=None
+adafruit_kb2040picodebug.menu.dbglvl.None.build.debug_level=
+adafruit_kb2040picodebug.menu.dbglvl.Core=Core
+adafruit_kb2040picodebug.menu.dbglvl.Core.build.debug_level=-DDEBUG_RP2040_CORE
+adafruit_kb2040picodebug.menu.dbglvl.SPI=SPI
+adafruit_kb2040picodebug.menu.dbglvl.SPI.build.debug_level=-DDEBUG_RP2040_SPI
+adafruit_kb2040picodebug.menu.dbglvl.Wire=Wire
+adafruit_kb2040picodebug.menu.dbglvl.Wire.build.debug_level=-DDEBUG_RP2040_WIRE
+adafruit_kb2040picodebug.menu.dbglvl.All=All
+adafruit_kb2040picodebug.menu.dbglvl.All.build.debug_level=-DDEBUG_RP2040_WIRE -DDEBUG_RP2040_SPI -DDEBUG_RP2040_CORE
+adafruit_kb2040picodebug.menu.dbglvl.NDEBUG=NDEBUG
+adafruit_kb2040picodebug.menu.dbglvl.NDEBUG.build.debug_level=-DNDEBUG
+adafruit_kb2040picodebug.menu.usbstack.nousb=No USB
+adafruit_kb2040picodebug.menu.usbstack.nousb.build.usbstack_flags="-DNO_USB -DDISABLE_USB_SERIAL -I{runtime.platform.path}/tools/libpico"
+
 # -----------------------------------
 # Arduino Nano RP2040 Connect
 # -----------------------------------
@@ -3351,7 +3821,6 @@ arduino_nano_connect.serial.disableRTS=false
 arduino_nano_connect.build.f_cpu=125000000
 arduino_nano_connect.build.led=
 arduino_nano_connect.build.core=rp2040
-arduino_nano_connect.build.mcu=rp2040
 arduino_nano_connect.build.ldscript=memmap_default.ld
 arduino_nano_connect.build.ram_length=256k
 arduino_nano_connect.build.boot2=boot2_w25q080_2_padded_checksum
@@ -3563,7 +4032,6 @@ arduino_nano_connectpicoprobe.serial.disableRTS=false
 arduino_nano_connectpicoprobe.build.f_cpu=125000000
 arduino_nano_connectpicoprobe.build.led=
 arduino_nano_connectpicoprobe.build.core=rp2040
-arduino_nano_connectpicoprobe.build.mcu=rp2040
 arduino_nano_connectpicoprobe.build.ldscript=memmap_default.ld
 arduino_nano_connectpicoprobe.build.ram_length=256k
 arduino_nano_connectpicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -3775,7 +4243,6 @@ arduino_nano_connectpicodebug.serial.disableRTS=false
 arduino_nano_connectpicodebug.build.f_cpu=125000000
 arduino_nano_connectpicodebug.build.led=
 arduino_nano_connectpicodebug.build.core=rp2040
-arduino_nano_connectpicodebug.build.mcu=rp2040
 arduino_nano_connectpicodebug.build.ldscript=memmap_default.ld
 arduino_nano_connectpicodebug.build.ram_length=240k
 arduino_nano_connectpicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -3985,7 +4452,6 @@ cytron_maker_nano_rp2040.serial.disableRTS=false
 cytron_maker_nano_rp2040.build.f_cpu=125000000
 cytron_maker_nano_rp2040.build.led=
 cytron_maker_nano_rp2040.build.core=rp2040
-cytron_maker_nano_rp2040.build.mcu=rp2040
 cytron_maker_nano_rp2040.build.ldscript=memmap_default.ld
 cytron_maker_nano_rp2040.build.ram_length=256k
 cytron_maker_nano_rp2040.build.boot2=boot2_w25q080_2_padded_checksum
@@ -4113,7 +4579,6 @@ cytron_maker_nano_rp2040picoprobe.serial.disableRTS=false
 cytron_maker_nano_rp2040picoprobe.build.f_cpu=125000000
 cytron_maker_nano_rp2040picoprobe.build.led=
 cytron_maker_nano_rp2040picoprobe.build.core=rp2040
-cytron_maker_nano_rp2040picoprobe.build.mcu=rp2040
 cytron_maker_nano_rp2040picoprobe.build.ldscript=memmap_default.ld
 cytron_maker_nano_rp2040picoprobe.build.ram_length=256k
 cytron_maker_nano_rp2040picoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -4241,7 +4706,6 @@ cytron_maker_nano_rp2040picodebug.serial.disableRTS=false
 cytron_maker_nano_rp2040picodebug.build.f_cpu=125000000
 cytron_maker_nano_rp2040picodebug.build.led=
 cytron_maker_nano_rp2040picodebug.build.core=rp2040
-cytron_maker_nano_rp2040picodebug.build.mcu=rp2040
 cytron_maker_nano_rp2040picodebug.build.ldscript=memmap_default.ld
 cytron_maker_nano_rp2040picodebug.build.ram_length=240k
 cytron_maker_nano_rp2040picodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -4367,7 +4831,6 @@ cytron_maker_pi_rp2040.serial.disableRTS=false
 cytron_maker_pi_rp2040.build.f_cpu=125000000
 cytron_maker_pi_rp2040.build.led=
 cytron_maker_pi_rp2040.build.core=rp2040
-cytron_maker_pi_rp2040.build.mcu=rp2040
 cytron_maker_pi_rp2040.build.ldscript=memmap_default.ld
 cytron_maker_pi_rp2040.build.ram_length=256k
 cytron_maker_pi_rp2040.build.boot2=boot2_w25q080_2_padded_checksum
@@ -4495,7 +4958,6 @@ cytron_maker_pi_rp2040picoprobe.serial.disableRTS=false
 cytron_maker_pi_rp2040picoprobe.build.f_cpu=125000000
 cytron_maker_pi_rp2040picoprobe.build.led=
 cytron_maker_pi_rp2040picoprobe.build.core=rp2040
-cytron_maker_pi_rp2040picoprobe.build.mcu=rp2040
 cytron_maker_pi_rp2040picoprobe.build.ldscript=memmap_default.ld
 cytron_maker_pi_rp2040picoprobe.build.ram_length=256k
 cytron_maker_pi_rp2040picoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -4623,7 +5085,6 @@ cytron_maker_pi_rp2040picodebug.serial.disableRTS=false
 cytron_maker_pi_rp2040picodebug.build.f_cpu=125000000
 cytron_maker_pi_rp2040picodebug.build.led=
 cytron_maker_pi_rp2040picodebug.build.core=rp2040
-cytron_maker_pi_rp2040picodebug.build.mcu=rp2040
 cytron_maker_pi_rp2040picodebug.build.ldscript=memmap_default.ld
 cytron_maker_pi_rp2040picodebug.build.ram_length=240k
 cytron_maker_pi_rp2040picodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -4749,7 +5210,6 @@ sparkfun_promicrorp2040.serial.disableRTS=false
 sparkfun_promicrorp2040.build.f_cpu=125000000
 sparkfun_promicrorp2040.build.led=
 sparkfun_promicrorp2040.build.core=rp2040
-sparkfun_promicrorp2040.build.mcu=rp2040
 sparkfun_promicrorp2040.build.ldscript=memmap_default.ld
 sparkfun_promicrorp2040.build.ram_length=256k
 sparkfun_promicrorp2040.build.boot2=boot2_generic_03h_4_padded_checksum
@@ -4961,7 +5421,6 @@ sparkfun_promicrorp2040picoprobe.serial.disableRTS=false
 sparkfun_promicrorp2040picoprobe.build.f_cpu=125000000
 sparkfun_promicrorp2040picoprobe.build.led=
 sparkfun_promicrorp2040picoprobe.build.core=rp2040
-sparkfun_promicrorp2040picoprobe.build.mcu=rp2040
 sparkfun_promicrorp2040picoprobe.build.ldscript=memmap_default.ld
 sparkfun_promicrorp2040picoprobe.build.ram_length=256k
 sparkfun_promicrorp2040picoprobe.build.boot2=boot2_generic_03h_4_padded_checksum
@@ -5173,7 +5632,6 @@ sparkfun_promicrorp2040picodebug.serial.disableRTS=false
 sparkfun_promicrorp2040picodebug.build.f_cpu=125000000
 sparkfun_promicrorp2040picodebug.build.led=
 sparkfun_promicrorp2040picodebug.build.core=rp2040
-sparkfun_promicrorp2040picodebug.build.mcu=rp2040
 sparkfun_promicrorp2040picodebug.build.ldscript=memmap_default.ld
 sparkfun_promicrorp2040picodebug.build.ram_length=240k
 sparkfun_promicrorp2040picodebug.build.boot2=boot2_generic_03h_4_padded_checksum
@@ -5383,7 +5841,6 @@ generic.serial.disableRTS=false
 generic.build.f_cpu=125000000
 generic.build.led=
 generic.build.core=rp2040
-generic.build.mcu=rp2040
 generic.build.ldscript=memmap_default.ld
 generic.build.ram_length=256k
 generic.build.boot2=boot2_generic_03h_4_padded_checksum
@@ -5539,7 +5996,6 @@ genericpicoprobe.serial.disableRTS=false
 genericpicoprobe.build.f_cpu=125000000
 genericpicoprobe.build.led=
 genericpicoprobe.build.core=rp2040
-genericpicoprobe.build.mcu=rp2040
 genericpicoprobe.build.ldscript=memmap_default.ld
 genericpicoprobe.build.ram_length=256k
 genericpicoprobe.build.boot2=boot2_generic_03h_4_padded_checksum
@@ -5695,7 +6151,6 @@ genericpicodebug.serial.disableRTS=false
 genericpicodebug.build.f_cpu=125000000
 genericpicodebug.build.led=
 genericpicodebug.build.core=rp2040
-genericpicodebug.build.mcu=rp2040
 genericpicodebug.build.ldscript=memmap_default.ld
 genericpicodebug.build.ram_length=240k
 genericpicodebug.build.boot2=boot2_generic_03h_4_padded_checksum
@@ -5849,7 +6304,6 @@ challenger_2040_wifi.serial.disableRTS=false
 challenger_2040_wifi.build.f_cpu=125000000
 challenger_2040_wifi.build.led=
 challenger_2040_wifi.build.core=rp2040
-challenger_2040_wifi.build.mcu=rp2040
 challenger_2040_wifi.build.ldscript=memmap_default.ld
 challenger_2040_wifi.build.ram_length=256k
 challenger_2040_wifi.build.boot2=boot2_w25q080_2_padded_checksum
@@ -6013,7 +6467,6 @@ challenger_2040_wifipicoprobe.serial.disableRTS=false
 challenger_2040_wifipicoprobe.build.f_cpu=125000000
 challenger_2040_wifipicoprobe.build.led=
 challenger_2040_wifipicoprobe.build.core=rp2040
-challenger_2040_wifipicoprobe.build.mcu=rp2040
 challenger_2040_wifipicoprobe.build.ldscript=memmap_default.ld
 challenger_2040_wifipicoprobe.build.ram_length=256k
 challenger_2040_wifipicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -6177,7 +6630,6 @@ challenger_2040_wifipicodebug.serial.disableRTS=false
 challenger_2040_wifipicodebug.build.f_cpu=125000000
 challenger_2040_wifipicodebug.build.led=
 challenger_2040_wifipicodebug.build.core=rp2040
-challenger_2040_wifipicodebug.build.mcu=rp2040
 challenger_2040_wifipicodebug.build.ldscript=memmap_default.ld
 challenger_2040_wifipicodebug.build.ram_length=240k
 challenger_2040_wifipicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -6339,7 +6791,6 @@ challenger_2040_lte.serial.disableRTS=false
 challenger_2040_lte.build.f_cpu=125000000
 challenger_2040_lte.build.led=
 challenger_2040_lte.build.core=rp2040
-challenger_2040_lte.build.mcu=rp2040
 challenger_2040_lte.build.ldscript=memmap_default.ld
 challenger_2040_lte.build.ram_length=256k
 challenger_2040_lte.build.boot2=boot2_w25q080_2_padded_checksum
@@ -6503,7 +6954,6 @@ challenger_2040_ltepicoprobe.serial.disableRTS=false
 challenger_2040_ltepicoprobe.build.f_cpu=125000000
 challenger_2040_ltepicoprobe.build.led=
 challenger_2040_ltepicoprobe.build.core=rp2040
-challenger_2040_ltepicoprobe.build.mcu=rp2040
 challenger_2040_ltepicoprobe.build.ldscript=memmap_default.ld
 challenger_2040_ltepicoprobe.build.ram_length=256k
 challenger_2040_ltepicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -6667,7 +7117,6 @@ challenger_2040_ltepicodebug.serial.disableRTS=false
 challenger_2040_ltepicodebug.build.f_cpu=125000000
 challenger_2040_ltepicodebug.build.led=
 challenger_2040_ltepicodebug.build.core=rp2040
-challenger_2040_ltepicodebug.build.mcu=rp2040
 challenger_2040_ltepicodebug.build.ldscript=memmap_default.ld
 challenger_2040_ltepicodebug.build.ram_length=240k
 challenger_2040_ltepicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -6829,7 +7278,6 @@ challenger_nb_2040_wifi.serial.disableRTS=false
 challenger_nb_2040_wifi.build.f_cpu=125000000
 challenger_nb_2040_wifi.build.led=
 challenger_nb_2040_wifi.build.core=rp2040
-challenger_nb_2040_wifi.build.mcu=rp2040
 challenger_nb_2040_wifi.build.ldscript=memmap_default.ld
 challenger_nb_2040_wifi.build.ram_length=256k
 challenger_nb_2040_wifi.build.boot2=boot2_w25q080_2_padded_checksum
@@ -6993,7 +7441,6 @@ challenger_nb_2040_wifipicoprobe.serial.disableRTS=false
 challenger_nb_2040_wifipicoprobe.build.f_cpu=125000000
 challenger_nb_2040_wifipicoprobe.build.led=
 challenger_nb_2040_wifipicoprobe.build.core=rp2040
-challenger_nb_2040_wifipicoprobe.build.mcu=rp2040
 challenger_nb_2040_wifipicoprobe.build.ldscript=memmap_default.ld
 challenger_nb_2040_wifipicoprobe.build.ram_length=256k
 challenger_nb_2040_wifipicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -7157,7 +7604,6 @@ challenger_nb_2040_wifipicodebug.serial.disableRTS=false
 challenger_nb_2040_wifipicodebug.build.f_cpu=125000000
 challenger_nb_2040_wifipicodebug.build.led=
 challenger_nb_2040_wifipicodebug.build.core=rp2040
-challenger_nb_2040_wifipicodebug.build.mcu=rp2040
 challenger_nb_2040_wifipicodebug.build.ldscript=memmap_default.ld
 challenger_nb_2040_wifipicodebug.build.ram_length=240k
 challenger_nb_2040_wifipicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -7319,7 +7765,6 @@ ilabs_rpico32.serial.disableRTS=false
 ilabs_rpico32.build.f_cpu=125000000
 ilabs_rpico32.build.led=
 ilabs_rpico32.build.core=rp2040
-ilabs_rpico32.build.mcu=rp2040
 ilabs_rpico32.build.ldscript=memmap_default.ld
 ilabs_rpico32.build.ram_length=256k
 ilabs_rpico32.build.boot2=boot2_w25q080_2_padded_checksum
@@ -7483,7 +7928,6 @@ ilabs_rpico32picoprobe.serial.disableRTS=false
 ilabs_rpico32picoprobe.build.f_cpu=125000000
 ilabs_rpico32picoprobe.build.led=
 ilabs_rpico32picoprobe.build.core=rp2040
-ilabs_rpico32picoprobe.build.mcu=rp2040
 ilabs_rpico32picoprobe.build.ldscript=memmap_default.ld
 ilabs_rpico32picoprobe.build.ram_length=256k
 ilabs_rpico32picoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -7647,7 +8091,6 @@ ilabs_rpico32picodebug.serial.disableRTS=false
 ilabs_rpico32picodebug.build.f_cpu=125000000
 ilabs_rpico32picodebug.build.led=
 ilabs_rpico32picodebug.build.core=rp2040
-ilabs_rpico32picodebug.build.mcu=rp2040
 ilabs_rpico32picodebug.build.ldscript=memmap_default.ld
 ilabs_rpico32picodebug.build.ram_length=240k
 ilabs_rpico32picodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -7809,7 +8252,6 @@ melopero_shake_rp2040.serial.disableRTS=false
 melopero_shake_rp2040.build.f_cpu=125000000
 melopero_shake_rp2040.build.led=
 melopero_shake_rp2040.build.core=rp2040
-melopero_shake_rp2040.build.mcu=rp2040
 melopero_shake_rp2040.build.ldscript=memmap_default.ld
 melopero_shake_rp2040.build.ram_length=256k
 melopero_shake_rp2040.build.boot2=boot2_w25q080_2_padded_checksum
@@ -8021,7 +8463,6 @@ melopero_shake_rp2040picoprobe.serial.disableRTS=false
 melopero_shake_rp2040picoprobe.build.f_cpu=125000000
 melopero_shake_rp2040picoprobe.build.led=
 melopero_shake_rp2040picoprobe.build.core=rp2040
-melopero_shake_rp2040picoprobe.build.mcu=rp2040
 melopero_shake_rp2040picoprobe.build.ldscript=memmap_default.ld
 melopero_shake_rp2040picoprobe.build.ram_length=256k
 melopero_shake_rp2040picoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -8233,7 +8674,6 @@ melopero_shake_rp2040picodebug.serial.disableRTS=false
 melopero_shake_rp2040picodebug.build.f_cpu=125000000
 melopero_shake_rp2040picodebug.build.led=
 melopero_shake_rp2040picodebug.build.core=rp2040
-melopero_shake_rp2040picodebug.build.mcu=rp2040
 melopero_shake_rp2040picodebug.build.ldscript=memmap_default.ld
 melopero_shake_rp2040picodebug.build.ram_length=240k
 melopero_shake_rp2040picodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -8443,7 +8883,6 @@ upesy_rp2040_devkit.serial.disableRTS=false
 upesy_rp2040_devkit.build.f_cpu=125000000
 upesy_rp2040_devkit.build.led=
 upesy_rp2040_devkit.build.core=rp2040
-upesy_rp2040_devkit.build.mcu=rp2040
 upesy_rp2040_devkit.build.ldscript=memmap_default.ld
 upesy_rp2040_devkit.build.ram_length=256k
 upesy_rp2040_devkit.build.boot2=boot2_w25q080_2_padded_checksum
@@ -8571,7 +9010,6 @@ upesy_rp2040_devkitpicoprobe.serial.disableRTS=false
 upesy_rp2040_devkitpicoprobe.build.f_cpu=125000000
 upesy_rp2040_devkitpicoprobe.build.led=
 upesy_rp2040_devkitpicoprobe.build.core=rp2040
-upesy_rp2040_devkitpicoprobe.build.mcu=rp2040
 upesy_rp2040_devkitpicoprobe.build.ldscript=memmap_default.ld
 upesy_rp2040_devkitpicoprobe.build.ram_length=256k
 upesy_rp2040_devkitpicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -8699,7 +9137,6 @@ upesy_rp2040_devkitpicodebug.serial.disableRTS=false
 upesy_rp2040_devkitpicodebug.build.f_cpu=125000000
 upesy_rp2040_devkitpicodebug.build.led=
 upesy_rp2040_devkitpicodebug.build.core=rp2040
-upesy_rp2040_devkitpicodebug.build.mcu=rp2040
 upesy_rp2040_devkitpicodebug.build.ldscript=memmap_default.ld
 upesy_rp2040_devkitpicodebug.build.ram_length=240k
 upesy_rp2040_devkitpicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -8825,7 +9262,6 @@ wiznet_5100s_evb_pico.serial.disableRTS=false
 wiznet_5100s_evb_pico.build.f_cpu=125000000
 wiznet_5100s_evb_pico.build.led=
 wiznet_5100s_evb_pico.build.core=rp2040
-wiznet_5100s_evb_pico.build.mcu=rp2040
 wiznet_5100s_evb_pico.build.ldscript=memmap_default.ld
 wiznet_5100s_evb_pico.build.ram_length=256k
 wiznet_5100s_evb_pico.build.boot2=boot2_w25q080_2_padded_checksum
@@ -8953,7 +9389,6 @@ wiznet_5100s_evb_picopicoprobe.serial.disableRTS=false
 wiznet_5100s_evb_picopicoprobe.build.f_cpu=125000000
 wiznet_5100s_evb_picopicoprobe.build.led=
 wiznet_5100s_evb_picopicoprobe.build.core=rp2040
-wiznet_5100s_evb_picopicoprobe.build.mcu=rp2040
 wiznet_5100s_evb_picopicoprobe.build.ldscript=memmap_default.ld
 wiznet_5100s_evb_picopicoprobe.build.ram_length=256k
 wiznet_5100s_evb_picopicoprobe.build.boot2=boot2_w25q080_2_padded_checksum
@@ -9081,7 +9516,6 @@ wiznet_5100s_evb_picopicodebug.serial.disableRTS=false
 wiznet_5100s_evb_picopicodebug.build.f_cpu=125000000
 wiznet_5100s_evb_picopicodebug.build.led=
 wiznet_5100s_evb_picopicodebug.build.core=rp2040
-wiznet_5100s_evb_picopicodebug.build.mcu=rp2040
 wiznet_5100s_evb_picopicodebug.build.ldscript=memmap_default.ld
 wiznet_5100s_evb_picopicodebug.build.ram_length=240k
 wiznet_5100s_evb_picopicodebug.build.boot2=boot2_w25q080_2_padded_checksum
@@ -97,6 +97,7 @@ void analogWriteResolution(int res);

 #include "SerialUART.h"
 #include "RP2040Support.h"
+#include "SerialPIO.h"
 #include "Bootsel.h"

 // Template which will evaluate at *compile time* to a single 32b number
@@ -0,0 +1,338 @@
+/*
+    Serial-over-PIO for the Raspberry Pi Pico RP2040
+
+    Copyright (c) 2021 Earle F. Philhower, III <earlephilhower@yahoo.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include "SerialPIO.h"
+#include "CoreMutex.h"
+#include <hardware/gpio.h>
+#include <map>
+#include "pio_uart.pio.h"
+
+
+// ------------------------------------------------------------------------
+// -- Generates a unique program for differing bit lengths
+static std::map<int, PIOProgram*> _txMap;
+static std::map<int, PIOProgram*> _rxMap;
+
+// Duplicate a program and replace the first insn with a "set x, repl"
+static pio_program_t *pio_make_uart_prog(int repl, const pio_program_t *pg) {
+    pio_program_t *p = new pio_program_t;
+    p->length = pg->length;
+    p->origin = pg->origin;
+    uint16_t *insn = (uint16_t *)malloc(p->length * 2);
+    memcpy(insn, pg->instructions, p->length * 2);
+    insn[0] = pio_encode_set(pio_x, repl);
+    p->instructions = insn;
+    return p;
+}
+
+static PIOProgram *_getTxProgram(int bits) {
+    auto f = _txMap.find(bits);
+    if (f == _txMap.end()) {
+        pio_program_t * p = pio_make_uart_prog(bits, &pio_tx_program);
+        _txMap.insert({bits, new PIOProgram(p)});
+        f = _txMap.find(bits);
+    }
+    return f->second;
+}
+
+static PIOProgram *_getRxProgram(int bits) {
+    auto f = _rxMap.find(bits);
+    if (f == _rxMap.end()) {
+        pio_program_t * p = pio_make_uart_prog(bits, &pio_rx_program);
+        _rxMap.insert({bits, new PIOProgram(p)});
+        f = _rxMap.find(bits);
+    }
+    return f->second;
+}
+// ------------------------------------------------------------------------
+
+// TODO - this works, but there must be a faster/better way...
+static int _parity(int bits, int data) {
+    int p = 0;
+    for (int b = 0; b < bits; b++) {
+        p ^= (data & (1 << b)) ? 1 : 0;
+    }
+    return p;
+}
+
+// We need to cache generated SerialPIOs so we can add data to them from
+// the shared handler
+static SerialPIO *_pioSP[2][4];
+static void __not_in_flash_func(_fifoIRQ)() {
+    for (int p = 0; p < 2; p++) {
+        for (int sm = 0; sm < 4; sm++) {
+            SerialPIO *s = _pioSP[p][sm];
+            if (s) {
+                s->_handleIRQ();
+                pio_interrupt_clear((p == 0) ? pio0 : pio1, sm);
+            }
+        }
+    }
+}
+
+void __not_in_flash_func(SerialPIO::_handleIRQ)() {
+    if (_rx == NOPIN) {
+        return;
+    }
+    while (!pio_sm_is_rx_fifo_empty(_rxPIO, _rxSM)) {
+        uint32_t decode = _rxPIO->rxf[_rxSM];
+        decode >>= 32 - _rxBits;
+        uint32_t val = 0;
+        for (int b = 0; b < _bits + 1; b++) {
+            val |= (decode & (1 << (b * 2))) ? 1 << b : 0;
+        }
+        if (_parity == UART_PARITY_EVEN) {
+            int p = ::_parity(_bits, val);
+            int r = (val & (1 << _bits)) ? 1 : 0;
+            if (p != r) {
+                // TODO - parity error
+                continue;
+            }
+        } else if (_parity == UART_PARITY_ODD) {
+            int p = ::_parity(_bits, val);
+            int r = (val & (1 << _bits)) ? 1 : 0;
+            if (p == r) {
+                // TODO - parity error
+                continue;
+            }
+        }
+
+        if ((_writer + 1) % sizeof(_queue) != _reader) {
+            _queue[_writer] = val & ((1 << _bits) -  1);
+            asm volatile("" ::: "memory"); // Ensure the queue is written before the written count advances
+            _writer = (_writer + 1) % sizeof(_queue);
+        } else {
+            // TODO: Overflow
+        }
+    }
+}
+
+SerialPIO::SerialPIO(pin_size_t tx, pin_size_t rx) {
+    _tx = tx;
+    _rx = rx;
+    mutex_init(&_mutex);
+}
+
+void SerialPIO::begin(unsigned long baud, uint16_t config) {
+    _baud = baud;
+    switch (config & SERIAL_PARITY_MASK) {
+    case SERIAL_PARITY_EVEN:
+        _parity = UART_PARITY_EVEN;
+        break;
+    case SERIAL_PARITY_ODD:
+        _parity = UART_PARITY_ODD;
+        break;
+    default:
+        _parity = UART_PARITY_NONE;
+        break;
+    }
+    switch (config & SERIAL_STOP_BIT_MASK) {
+    case SERIAL_STOP_BIT_1:
+        _stop = 1;
+        break;
+    default:
+        _stop = 2;
+        break;
+    }
+    switch (config & SERIAL_DATA_MASK) {
+    case SERIAL_DATA_5:
+        _bits = 5;
+        break;
+    case SERIAL_DATA_6:
+        _bits = 6;
+        break;
+    case SERIAL_DATA_7:
+        _bits = 7;
+        break;
+    default:
+        _bits = 8;
+        break;
+    }
+
+    if ((_tx == NOPIN) && (_rx == NOPIN)) {
+        DEBUGCORE("ERROR: No pins specified for SerialPIO\n");
+        return;
+    }
+
+    if (_tx != NOPIN) {
+        _txBits = _bits + _stop + (_parity != UART_PARITY_NONE ? 1 : 0) + 1/*start bit*/;
+        _txPgm = _getTxProgram(_txBits);
+        int off;
+        if (!_txPgm->prepare(&_txPIO, &_txSM, &off)) {
+            DEBUGCORE("ERROR: Unable to allocate PIO TX UART, out of PIO resources\n");
+            // ERROR, no free slots
+            return;
+        }
+
+        digitalWrite(_tx, HIGH);
+        pinMode(_tx, OUTPUT);
+
+        pio_tx_program_init(_txPIO, _txSM, off, _tx);
+        pio_sm_clear_fifos(_txPIO, _txSM); // Remove any existing data
+
+        // Put the divider into ISR w/o using up program space
+        pio_sm_put_blocking(_txPIO, _txSM, clock_get_hz(clk_sys) / _baud - 2);
+        pio_sm_exec(_txPIO, _txSM, pio_encode_pull(false, false));
+        pio_sm_exec(_txPIO, _txSM, pio_encode_mov(pio_isr, pio_osr));
+
+        // Start running!
+        pio_sm_set_enabled(_txPIO, _txSM, true);
+    }
+    if (_rx != NOPIN) {
+        _writer = 0;
+        _reader = 0;
+
+        _rxBits = 2 * (_bits + _stop + (_parity != UART_PARITY_NONE ? 1 : 0) + 1) - 1;
+        _rxPgm = _getRxProgram(_rxBits);
+        int off;
+        if (!_rxPgm->prepare(&_rxPIO, &_rxSM, &off)) {
+            DEBUGCORE("ERROR: Unable to allocate PIO RX UART, out of PIO resources\n");
+            return;
+        }
+        // Stash away the created RX port for the IRQ handler
+        _pioSP[pio_get_index(_rxPIO)][_rxSM] = this;
+
+        pinMode(_rx, INPUT);
+        pio_rx_program_init(_rxPIO, _rxSM, off, _rx);
+        pio_sm_clear_fifos(_rxPIO, _rxSM); // Remove any existing data
+
+        // Put phase divider into OSR w/o using add'l program memory
+        pio_sm_put_blocking(_rxPIO, _rxSM, clock_get_hz(clk_sys) / (_baud * 2) - 2);
+        pio_sm_exec(_rxPIO, _rxSM, pio_encode_pull(false, false));
+
+        // Join the TX FIFO to the RX one now that we don't need it
+        _rxPIO->sm[_rxSM].shiftctrl |= 0x80000000;
+
+        // Enable interrupts on rxfifo
+        switch (_rxSM) {
+        case 0: pio_set_irq0_source_enabled(_rxPIO, pis_sm0_rx_fifo_not_empty, true); break;
+        case 1: pio_set_irq0_source_enabled(_rxPIO, pis_sm1_rx_fifo_not_empty, true); break;
+        case 2: pio_set_irq0_source_enabled(_rxPIO, pis_sm2_rx_fifo_not_empty, true); break;
+        case 3: pio_set_irq0_source_enabled(_rxPIO, pis_sm3_rx_fifo_not_empty, true); break;
+        }
+        irq_set_exclusive_handler(PIO0_IRQ_0, _fifoIRQ);
+        irq_set_enabled(PIO0_IRQ_0, true);
+
+        pio_sm_set_enabled(_rxPIO, _rxSM, true);
+    }
+
+    _running = true;
+}
+
+void SerialPIO::end() {
+    if (!_running) {
+        return;
+    }
+    // TODO: Deallocate PIO resources, stop them
+    _pioSP[pio_get_index(_rxPIO)][_rxSM] = nullptr;
+    _running = false;
+}
+
+int SerialPIO::peek() {
+    CoreMutex m(&_mutex);
+    if (!_running || !m || (_rx == NOPIN)) {
+        return -1;
+    }
+    // If there's something in the FIFO now, just peek at it
+    uint32_t start = millis();
+    uint32_t now = millis();
+    while ((now - start) < _timeout) {
+        if (_writer != _reader) {
+            return _queue[_reader];
+        }
+        delay(1);
+        now = millis();
+    }
+    return -1; // Nothing available before timeout
+}
+
+int SerialPIO::read() {
+    CoreMutex m(&_mutex);
+    if (!_running || !m || (_rx == NOPIN)) {
+        return -1;
+    }
+    uint32_t start = millis();
+    uint32_t now = millis();
+    while ((now - start) < _timeout) {
+        if (_writer != _reader) {
+            auto ret = _queue[_reader];
+            _reader = (_reader + 1) % sizeof(_queue);
+            return ret;
+        }
+        delay(1);
+        now = millis();
+    }
+    return -1; // Timeout
+}
+
+int SerialPIO::available() {
+    CoreMutex m(&_mutex);
+    if (!_running || !m || (_rx == NOPIN)) {
+        return 0;
+    }
+    return (_writer - _reader) % sizeof(_queue);
+}
+
+int SerialPIO::availableForWrite() {
+    CoreMutex m(&_mutex);
+    if (!_running || !m || (_tx == NOPIN)) {
+        return 0;
+    }
+    return 8 - pio_sm_get_tx_fifo_level(_txPIO, _txSM);
+}
+
+void SerialPIO::flush() {
+    CoreMutex m(&_mutex);
+    if (!_running || !m || (_tx == NOPIN)) {
+        return;
+    }
+    while (!pio_sm_is_tx_fifo_empty(_txPIO, _txSM)) {
+        delay(1); // Wait for all FIFO to be read
+    }
+    // Could have 1 byte being transmitted, so wait for bit times
+    delay((1000 * (_txBits + 1)) / _baud);
+}
+
+size_t SerialPIO::write(uint8_t c) {
+    CoreMutex m(&_mutex);
+    if (!_running || !m || (_tx == NOPIN)) {
+        return 0;
+    }
+
+    uint32_t val = c;
+    if (_parity == UART_PARITY_NONE) {
+        val |= 7 << _bits; // Set 2 stop bits, the HW will only transmit the required number
+    } else if (_parity == UART_PARITY_EVEN) {
+        val |= ::_parity(_bits, c) << _bits;
+        val |= 7 << (_bits + 1);
+    } else {
+        val |= (1 ^ ::_parity(_bits, c)) << _bits;
+        val |= 7 << (_bits + 1);
+    }
+    val <<= 1;  // Start bit = low
+
+    pio_sm_put_blocking(_txPIO, _txSM, val);
+
+    return 1;
+}
+
+SerialPIO::operator bool() {
+    return _running;
+}
@@ -0,0 +1,78 @@
+/*
+    Serial-over-PIO for the Raspberry Pi Pico RP2040
+
+    Copyright (c) 2021 Earle F. Philhower, III <earlephilhower@yahoo.com>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#pragma once
+
+#include <Arduino.h>
+#include "api/HardwareSerial.h"
+#include <stdarg.h>
+#include <queue>
+#include <hardware/uart.h>
+#include "CoreMutex.h"
+
+extern "C" typedef struct uart_inst uart_inst_t;
+
+class SerialPIO : public HardwareSerial {
+public:
+    static const pin_size_t NOPIN = 0xff; // Use in constructor to disable RX or TX unit
+    SerialPIO(pin_size_t tx, pin_size_t rx);
+
+    void begin(unsigned long baud = 115200) override {
+        begin(baud, SERIAL_8N1);
+    };
+    void begin(unsigned long baud, uint16_t config) override;
+    void end() override;
+
+    virtual int peek() override;
+    virtual int read() override;
+    virtual int available() override;
+    virtual int availableForWrite() override;
+    virtual void flush() override;
+    virtual size_t write(uint8_t c) override;
+    using Print::write;
+    operator bool() override;
+
+    // Not to be called by users, only from the IRQ handler.  In public so that the C-language IQR callback can access it
+    void _handleIRQ();
+
+private:
+    bool _running = false;
+    pin_size_t _tx, _rx;
+    int _baud;
+    int _bits;
+    uart_parity_t _parity;
+    int _stop;
+    mutex_t _mutex;
+
+    PIOProgram *_txPgm;
+    PIO _txPIO;
+    int _txSM;
+    int _txBits;
+
+    PIOProgram *_rxPgm;
+    PIO _rxPIO;
+    int _rxSM;
+    int _rxBits;
+
+    // Lockless, IRQ-handled circular queue
+    uint32_t _writer;
+    uint32_t _reader;
+    uint8_t  _queue[32];
+};
@@ -72,37 +72,73 @@ SerialUART::SerialUART(uart_inst_t *uart, pin_size_t tx, pin_size_t rx) {
    mutex_init(&_mutex);
 }

+static void _uart0IRQ();
+static void _uart1IRQ();
+
 void SerialUART::begin(unsigned long baud, uint16_t config) {
    _baud = baud;
    uart_init(_uart, baud);
    int bits, stop;
    uart_parity_t parity;
    switch (config & SERIAL_PARITY_MASK) {
-    case SERIAL_PARITY_EVEN: parity = UART_PARITY_EVEN; break;
-    case SERIAL_PARITY_ODD: parity = UART_PARITY_ODD; break;
-    default: parity = UART_PARITY_NONE; break;
+    case SERIAL_PARITY_EVEN:
+        parity = UART_PARITY_EVEN;
+        break;
+    case SERIAL_PARITY_ODD:
+        parity = UART_PARITY_ODD;
+        break;
+    default:
+        parity = UART_PARITY_NONE;
+        break;
    }
    switch (config & SERIAL_STOP_BIT_MASK) {
-    case SERIAL_STOP_BIT_1: stop = 1; break;
-    default: stop = 2; break;
+    case SERIAL_STOP_BIT_1:
+        stop = 1;
+        break;
+    default:
+        stop = 2;
+        break;
    }
    switch (config & SERIAL_DATA_MASK) {
-    case SERIAL_DATA_5: bits = 5; break;
-    case SERIAL_DATA_6: bits = 6; break;
-    case SERIAL_DATA_7: bits = 7; break;
-    default: bits = 8; break;
+    case SERIAL_DATA_5:
+        bits = 5;
+        break;
+    case SERIAL_DATA_6:
+        bits = 6;
+        break;
+    case SERIAL_DATA_7:
+        bits = 7;
+        break;
+    default:
+        bits = 8;
+        break;
    }
    uart_set_format(_uart, bits, stop, parity);
    gpio_set_function(_tx, GPIO_FUNC_UART);
    gpio_set_function(_rx, GPIO_FUNC_UART);
+    _writer = 0;
+    _reader = 0;
+
+    if (_uart == uart0) {
+        irq_set_exclusive_handler(UART0_IRQ, _uart0IRQ);
+        irq_set_enabled(UART0_IRQ, true);
+    } else {
+        irq_set_exclusive_handler(UART1_IRQ, _uart1IRQ);
+        irq_set_enabled(UART1_IRQ, true);
+    }
+    uart_get_hw(_uart)->imsc |= UART_UARTIMSC_RXIM_BITS | UART_UARTIMSC_RTIM_BITS;
    _running = true;
-    _peek = -1;
 }

 void SerialUART::end() {
    if (!_running) {
        return;
    }
+    if (_uart == uart0) {
+        irq_set_enabled(UART0_IRQ, false);
+    } else {
+        irq_set_enabled(UART1_IRQ, false);
+    }
    uart_deinit(_uart);
    _running = false;
 }
@@ -112,15 +148,16 @@ int SerialUART::peek() {
    if (!_running || !m) {
        return -1;
    }
-    if (_peek >= 0) {
-        return _peek;
+    uint32_t start = millis();
+    uint32_t now = millis();
+    while ((now - start) < _timeout) {
+        if (_writer != _reader) {
+            return _queue[_reader];
+        }
+        delay(1);
+        now = millis();
    }
-    if (uart_is_readable_within_us(_uart, _timeout * 1000)) {
-        _peek = uart_getc(_uart);
-    } else {
-        _peek = -1; // Timeout
-    }
-    return _peek;
+    return -1; // Nothing available before timeout
 }

 int SerialUART::read() {
@@ -128,16 +165,18 @@ int SerialUART::read() {
    if (!_running || !m) {
        return -1;
    }
-    if (_peek >= 0) {
-        int ret = _peek;
-        _peek = -1;
-        return ret;
-    }
-    if (uart_is_readable_within_us(_uart, _timeout * 1000)) {
-        return uart_getc(_uart);
-    } else {
-        return -1; // Timeout
+    uint32_t start = millis();
+    uint32_t now = millis();
+    while ((now - start) < _timeout) {
+        if (_writer != _reader) {
+            auto ret = _queue[_reader];
+            _reader = (_reader + 1) % sizeof(_queue);
+            return ret;
+        }
+        delay(1);
+        now = millis();
    }
+    return -1; // Timeout
 }

 int SerialUART::available() {
@@ -145,7 +184,7 @@ int SerialUART::available() {
    if (!_running || !m) {
        return 0;
    }
-    return (uart_is_readable(_uart)) ? 1 : 0;
+    return (_writer - _reader) % sizeof(_queue);
 }

 int SerialUART::availableForWrite() {
@@ -205,3 +244,26 @@ void arduino::serialEvent2Run(void) {
        serialEvent2();
    }
 }
+
+// IRQ handler, called when FIFO > 1/4 full or when it had held unread data for >32 bit times
+void __not_in_flash_func(SerialUART::_handleIRQ)() {
+    uart_get_hw(_uart)->icr |= UART_UARTICR_RTIC_BITS | UART_UARTICR_RXIC_BITS;
+    while (uart_is_readable(_uart)) {
+        auto val = uart_getc(_uart);
+        if ((_writer + 1) % sizeof(_queue) != _reader) {
+            _queue[_writer] = val;
+            asm volatile("" ::: "memory"); // Ensure the queue is written before the written count advances
+            _writer = (_writer + 1) % sizeof(_queue);
+        } else {
+            // TODO: Overflow
+        }
+    }
+}
+
+static void __not_in_flash_func(_uart0IRQ)() {
+    Serial1._handleIRQ();
+}
+
+static void __not_in_flash_func(_uart1IRQ)() {
+    Serial2._handleIRQ();
+}
@@ -23,6 +23,7 @@
 #include <Arduino.h>
 #include "api/HardwareSerial.h"
 #include <stdarg.h>
+#include <queue>
 #include "CoreMutex.h"

 extern "C" typedef struct uart_inst uart_inst_t;
@@ -56,13 +57,20 @@ public:
    using Print::write;
    operator bool() override;

+    // Not to be called by users, only from the IRQ handler.  In public so that the C-language IQR callback can access it
+    void _handleIRQ();
+
 private:
    bool _running = false;
    uart_inst_t *_uart;
    pin_size_t _tx, _rx;
    int _baud;
-    int _peek;
    mutex_t _mutex;
+
+    // Lockless, IRQ-handled circular queue
+    uint32_t _writer;
+    uint32_t _reader;
+    uint8_t  _queue[32];
 };

 extern SerialUART Serial1; // HW UART 0
@@ -0,0 +1,109 @@
+; pio_uart for the Raspberry Pi Pico RP2040
+;
+; Based loosely off of the uart_rx/_tx examples in the pico-examples repo,
+; but heavily modified and optimized to not require changing the PIO
+; clocks so that Tone and Servo won't be affected, and multiple different
+; PIO ports can be run at different baud at the same time.
+;
+; Copyright (c) 2021 Earle F. Philhower, III <earlephilhower@yahoo.com>
+;
+; This library is free software; you can redistribute it and/or
+; modify it under the terms of the GNU Lesser General Public
+; License as published by the Free Software Foundation; either
+; version 2.1 of the License, or (at your option) any later version.
+;
+; This library is distributed in the hope that it will be useful,
+; but WITHOUT ANY WARRANTY; without even the implied warranty of
+; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+; Lesser General Public License for more details.
+;
+; You should have received a copy of the GNU Lesser General Public
+; License along with this library; if not, write to the Free Software
+; Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+
+
+
+.program pio_tx
+.side_set 1 opt
+
+; We shift out the start and stop bit as part of the FIFO
+    set x, 9
+
+    pull               side 1 ; Force stop bit
+
+; Send the bits
+bitloop:
+    out pins, 1
+    mov y, isr                ; ISR is loaded by the setup routine with the period-1 count
+wait_bit:
+    jmp y-- wait_bit
+    jmp x-- bitloop
+
+    
+
+% c-sdk {
+
+static inline void pio_tx_program_init(PIO pio, uint sm, uint offset, uint pin_tx) {
+    // Tell PIO to initially drive output-high on the selected pin, then map PIO
+    // onto that pin with the IO muxes.
+    pio_sm_set_pins_with_mask(pio, sm, 1u << pin_tx, 1u << pin_tx);
+    pio_sm_set_pindirs_with_mask(pio, sm, 1u << pin_tx, 1u << pin_tx);
+    pio_gpio_init(pio, pin_tx);
+
+    pio_sm_config c = pio_tx_program_get_default_config(offset);
+
+    // OUT shifts to right, no autopull
+    sm_config_set_out_shift(&c, true, false, 32);
+
+    // We are mapping both OUT and side-set to the same pin, because sometimes
+    // we need to assert user data onto the pin (with OUT) and sometimes
+    // assert constant values (start/stop bit)
+    sm_config_set_out_pins(&c, pin_tx, 1);
+    sm_config_set_sideset_pins(&c, pin_tx);
+
+    // We only need TX, so get an 8-deep FIFO!
+    sm_config_set_fifo_join(&c, PIO_FIFO_JOIN_TX);
+
+    pio_sm_init(pio, sm, offset, &c);
+}
+
+%}
+
+
+.program pio_rx
+
+; IN pin 0 and JMP pin are both mapped to the GPIO used as UART RX.
+
+start:
+    set x, 18           ; Preload bit counter...we'll shift in the start bit and stop bit, and each bit will be double-recorded (to be fixed by RP2040 code)
+    wait 0 pin 0        ; Stall until start bit is asserted
+
+bitloop:
+   ; Delay until 1/2 way into the bit time
+    mov y, osr
+wait_half:
+    jmp y-- wait_half
+
+    ; Read in the bit
+    in pins, 1          ; Shift data bit into ISR
+    jmp x-- bitloop     ; Loop all bits
+    
+    push                ; Stuff it and wait for next start
+
+
+% c-sdk {
+static inline void pio_rx_program_init(PIO pio, uint sm, uint offset, uint pin) {
+    pio_sm_set_consecutive_pindirs(pio, sm, pin, 1, false);
+    pio_gpio_init(pio, pin);
+    gpio_pull_up(pin);
+
+    pio_sm_config c = pio_rx_program_get_default_config(offset);
+    sm_config_set_in_pins(&c, pin); // for WAIT, IN
+    sm_config_set_jmp_pin(&c, pin); // for JMP
+    // Shift to right, autopull disabled
+    sm_config_set_in_shift(&c, true, false, 32);
+
+    pio_sm_init(pio, sm, offset, &c);
+}
+
+%}
@@ -0,0 +1,107 @@
+// -------------------------------------------------- //
+// This file is autogenerated by pioasm; do not edit! //
+// -------------------------------------------------- //
+
+#if !PICO_NO_HARDWARE
+#include "hardware/pio.h"
+#endif
+
+// ------ //
+// pio_tx //
+// ------ //
+
+#define pio_tx_wrap_target 0
+#define pio_tx_wrap 5
+
+static const uint16_t pio_tx_program_instructions[] = {
+    //     .wrap_target
+    0xe029, //  0: set    x, 9
+    0x98a0, //  1: pull   block           side 1
+    0x6001, //  2: out    pins, 1
+    0xa046, //  3: mov    y, isr
+    0x0084, //  4: jmp    y--, 4
+    0x0042, //  5: jmp    x--, 2
+    //     .wrap
+};
+
+#if !PICO_NO_HARDWARE
+static const struct pio_program pio_tx_program = {
+    .instructions = pio_tx_program_instructions,
+    .length = 6,
+    .origin = -1,
+};
+
+static inline pio_sm_config pio_tx_program_get_default_config(uint offset) {
+    pio_sm_config c = pio_get_default_sm_config();
+    sm_config_set_wrap(&c, offset + pio_tx_wrap_target, offset + pio_tx_wrap);
+    sm_config_set_sideset(&c, 2, true, false);
+    return c;
+}
+
+static inline void pio_tx_program_init(PIO pio, uint sm, uint offset, uint pin_tx) {
+    // Tell PIO to initially drive output-high on the selected pin, then map PIO
+    // onto that pin with the IO muxes.
+    pio_sm_set_pins_with_mask(pio, sm, 1u << pin_tx, 1u << pin_tx);
+    pio_sm_set_pindirs_with_mask(pio, sm, 1u << pin_tx, 1u << pin_tx);
+    pio_gpio_init(pio, pin_tx);
+    pio_sm_config c = pio_tx_program_get_default_config(offset);
+    // OUT shifts to right, no autopull
+    sm_config_set_out_shift(&c, true, false, 32);
+    // We are mapping both OUT and side-set to the same pin, because sometimes
+    // we need to assert user data onto the pin (with OUT) and sometimes
+    // assert constant values (start/stop bit)
+    sm_config_set_out_pins(&c, pin_tx, 1);
+    sm_config_set_sideset_pins(&c, pin_tx);
+    // We only need TX, so get an 8-deep FIFO!
+    sm_config_set_fifo_join(&c, PIO_FIFO_JOIN_TX);
+    pio_sm_init(pio, sm, offset, &c);
+}
+
+#endif
+
+// ------ //
+// pio_rx //
+// ------ //
+
+#define pio_rx_wrap_target 0
+#define pio_rx_wrap 6
+
+static const uint16_t pio_rx_program_instructions[] = {
+    //     .wrap_target
+    0xe032, //  0: set    x, 18
+    0x2020, //  1: wait   0 pin, 0
+    0xa047, //  2: mov    y, osr
+    0x0083, //  3: jmp    y--, 3
+    0x4001, //  4: in     pins, 1
+    0x0042, //  5: jmp    x--, 2
+    0x8020, //  6: push   block
+    //     .wrap
+};
+
+#if !PICO_NO_HARDWARE
+static const struct pio_program pio_rx_program = {
+    .instructions = pio_rx_program_instructions,
+    .length = 7,
+    .origin = -1,
+};
+
+static inline pio_sm_config pio_rx_program_get_default_config(uint offset) {
+    pio_sm_config c = pio_get_default_sm_config();
+    sm_config_set_wrap(&c, offset + pio_rx_wrap_target, offset + pio_rx_wrap);
+    return c;
+}
+
+static inline void pio_rx_program_init(PIO pio, uint sm, uint offset, uint pin) {
+    pio_sm_set_consecutive_pindirs(pio, sm, pin, 1, false);
+    pio_gpio_init(pio, pin);
+    gpio_pull_up(pin);
+    pio_sm_config c = pio_rx_program_get_default_config(offset);
+    sm_config_set_in_pins(&c, pin); // for WAIT, IN
+    sm_config_set_jmp_pin(&c, pin); // for JMP
+    // Shift to right, autopull disabled
+    sm_config_set_in_shift(&c, true, false, 32);
+    pio_sm_init(pio, sm, offset, &c);
+}
+
+#endif
+
@@ -29,6 +29,7 @@ For the latest version, always check https://github.com/earlephilhower/arduino-p
   EEPROM <eeprom>
   I2S Audio <i2s>
   Serial USB and UARTs <serial>
+   "Software Serial" PIO UART <piouart>
   Servo <servo>
   SPI <spi>
   Wire(I2C) <wire>
@@ -0,0 +1,22 @@
+"SoftwareSerial" PIO-based UART
+================================
+
+Equivalent to the Arduino SoftwareSerial library, an emulated UART using
+one or two PIO state machines is included in the Arduino-Pico core.  This
+allows for up to 8 additional serial ports to be run from the RP2040 without
+requiring additional CPU resources.
+
+Instantiate a ``SerialPIO(txpin, rxpin)`` object in your sketch and then
+use it the same as any other serial port.  Even, odd, and no parity modes
+are supported, as well as data sizes from 5- to 8-bits.
+
+To instantiate only a serial transmit or receive unit, pass in
+``SerialPIO::NOPIN`` as the ``txpin`` or ``rxpin``.
+
+For example, to make a transmit-only port on GP16
+.. code:: cpp
+
+        SerialPIO transmitter( 16, SerialPIO::NOPIN );
+
+For detailed information about the Serial ports, see the
+Arduino `Serial Reference <https://www.arduino.cc/reference/en/language/functions/communication/serial/>`_ .
@@ -33,3 +33,4 @@ resumeOtherCore	KEYWORD2

 PIOProgram	KEYWORD2
 prepare	KEYWORD2
+SerialPIO	KEYWORD2
@@ -12,8 +12,8 @@
 #define _PICO_VERSION_H

 #define PICO_SDK_VERSION_MAJOR    1
-#define PICO_SDK_VERSION_MINOR    2
+#define PICO_SDK_VERSION_MINOR    3
 #define PICO_SDK_VERSION_REVISION 0
-#define PICO_SDK_VERSION_STRING   "1.2.0"
+#define PICO_SDK_VERSION_STRING   "1.3.0"

 #endif
@@ -179,23 +179,22 @@ void SPIClassRP2040::transfer(void *txbuf, void *rxbuf, size_t count) {

 void SPIClassRP2040::beginTransaction(SPISettings settings) {
    DEBUGSPI("SPI::beginTransaction(clk=%d, bo=%s\n", _spis.getClockFreq(), (_spis.getBitOrder() == MSBFIRST) ? "MSB" : "LSB");
-    _spis = settings;
-    if (_initted) {
-        DEBUGSPI("SPI: deinitting currently active SPI\n");
-        spi_deinit(_spi);
+    if (_initted && settings == _spis) {
+        DEBUGSPI("SPI: Reusing existing initted SPI\n");
+    } else {
+        _spis = settings;
+        if (_initted) {
+            DEBUGSPI("SPI: deinitting currently active SPI\n");
+            spi_deinit(_spi);
+        }
+        DEBUGSPI("SPI: initting SPI\n");
+        spi_init(_spi, _spis.getClockFreq());
+        _initted = true;
    }
-    DEBUGSPI("SPI: initting SPI\n");
-    spi_init(_spi, _spis.getClockFreq());
-    _initted = true;
 }

 void SPIClassRP2040::endTransaction(void) {
    DEBUGSPI("SPI::endTransaction()\n");
-    if (_initted) {
-        DEBUGSPI("SPI: deinitting currently active SPI\n");
-        spi_deinit(_spi);
-    }
-    _initted = false;
 }

 bool SPIClassRP2040::setRX(pin_size_t pin) {
@@ -281,6 +280,11 @@ void SPIClassRP2040::begin(bool hwCS) {

 void SPIClassRP2040::end() {
    DEBUGSPI("SPI::end()\n");
+    if (_initted) {
+        DEBUGSPI("SPI: deinitting currently active SPI\n");
+        _initted = false;
+        spi_deinit(_spi);
+    }
    gpio_set_function(_RX, GPIO_FUNC_SIO);
    if (_hwCS) {
        gpio_set_function(_CS, GPIO_FUNC_SIO);
@@ -1,6 +1,6 @@
 {
  "name": "framework-arduinopico",
-  "version": "1.10905.0",
+  "version": "1.10912.0",
  "description": "Arduino Wiring-based Framework (RPi Pico RP2040)",
  "keywords": [
    "framework",
@@ -29,6 +29,8 @@ runtime.tools.pqt-elf2uf2.path={runtime.platform.path}/system/elf2uf2

 compiler.path={runtime.tools.pqt-gcc.path}/bin/

+compiler.libraries.ldflags=
+
 # Compile variables
 # -----------------

@@ -116,7 +118,7 @@ recipe.hooks.linking.prelink.1.pattern="{runtime.tools.pqt-python3.path}/python3
 recipe.hooks.linking.prelink.2.pattern="{compiler.path}{compiler.S.cmd}" {compiler.c.elf.flags} {compiler.c.elf.extra_flags} -c "{runtime.platform.path}/boot2/{build.boot2}.S" "-I{runtime.platform.path}/pico-sdk/src/rp2040/hardware_regs/include/" "-I{runtime.platform.path}/pico-sdk/src/common/pico_binary_info/include" -o "{build.path}/boot2.o"

 ## Combine gc-sections, archives, and objects
-recipe.c.combine.pattern="{compiler.path}{compiler.c.elf.cmd}" "-L{build.path}" {compiler.c.elf.flags} {compiler.c.elf.extra_flags} {compiler.ldflags} "-Wl,--script={build.path}/memmap_default.ld" "-Wl,-Map,{build.path}/{build.project_name}.map" -o "{build.path}/{build.project_name}.elf" -Wl,--start-group {object_files} "{build.path}/{archive_file}" "{build.path}/boot2.o" {compiler.libpico} -lm -lc {compiler.libstdcpp} -lc -Wl,--end-group
+recipe.c.combine.pattern="{compiler.path}{compiler.c.elf.cmd}" "-L{build.path}" {compiler.c.elf.flags} {compiler.c.elf.extra_flags} {compiler.ldflags} "-Wl,--script={build.path}/memmap_default.ld" "-Wl,-Map,{build.path}/{build.project_name}.map" -o "{build.path}/{build.project_name}.elf" -Wl,--start-group {object_files} "{build.path}/{archive_file}" "{build.path}/boot2.o" {compiler.libraries.ldflags} {compiler.libpico} -lm -lc {compiler.libstdcpp} -lc -Wl,--end-group

 ## Create output (UF2 file)
 recipe.objcopy.uf2.pattern="{runtime.tools.pqt-elf2uf2.path}/elf2uf2" "{build.path}/{build.project_name}.elf" "{build.path}/{build.project_name}.uf2"
@@ -23,6 +23,7 @@ for type in boot2_generic_03h boot2_is25lp080 boot2_w25q080 boot2_w25x10cl; do
        arm-none-eabi-gcc -march=armv6-m -mcpu=cortex-m0plus -mthumb -O3 \
                         -DNDEBUG -DPICO_FLASH_SPI_CLKDIV=$div \
                         -c "$PICO_SDK_PATH/src/rp2_common/boot_stage2/$type.S" \
+                         -I "$PICO_SDK_PATH/src/boards/include/boards/" \
                         -I "$PICO_SDK_PATH/src/rp2040/hardware_regs/include/" \
                         -I "$PICO_SDK_PATH/src/rp2_common/pico_platform/include/" \
                         -I "$PICO_SDK_PATH/src/rp2_common/boot_stage2/asminclude/" \
@@ -26,14 +26,14 @@ if (NOT PICO_EXTRAS_PATH)
            get_filename_component(FETCHCONTENT_BASE_DIR "${PICO_EXTRAS_FETCH_FROM_GIT_PATH}" REALPATH BASE_DIR "${CMAKE_SOURCE_DIR}")
        endif ()
        FetchContent_Declare(
-                PICO_EXTRAS
+                pico_extras
                GIT_REPOSITORY https://github.com/raspberrypi/pico-extras
                GIT_TAG master
        )
-        if (NOT PICO_EXTRAS)
-            message("Downloading PICO EXTRAS")
-            FetchContent_Populate(PICO_EXTRAS)
-            set(PICO_EXTRAS_PATH ${PICO_EXTRAS_SOURCE_DIR})
+        if (NOT pico_extras)
+            message("Downloading Raspberry Pi Pico Extras")
+            FetchContent_Populate(pico_extras)
+            set(PICO_EXTRAS_PATH ${pico_extras_SOURCE_DIR})
        endif ()
        set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
    else ()
@@ -59,4 +59,4 @@ endif ()

 set(PICO_EXTRAS_PATH ${PICO_EXTRAS_PATH} CACHE PATH "Path to the PICO EXTRAS" FORCE)

-add_subdirectory(${PICO_EXTRAS_PATH} pico_extras)
+add_subdirectory(${PICO_EXTRAS_PATH} pico_extras)
@@ -3,8 +3,6 @@
 # This can be dropped into an external project to help locate this SDK
 # It should be include()ed prior to project()

-# todo document
-
 if (DEFINED ENV{PICO_SDK_PATH} AND (NOT PICO_SDK_PATH))
    set(PICO_SDK_PATH $ENV{PICO_SDK_PATH})
    message("Using PICO_SDK_PATH from environment ('${PICO_SDK_PATH}')")
@@ -20,8 +18,8 @@ if (DEFINED ENV{PICO_SDK_FETCH_FROM_GIT_PATH} AND (NOT PICO_SDK_FETCH_FROM_GIT_P
    message("Using PICO_SDK_FETCH_FROM_GIT_PATH from environment ('${PICO_SDK_FETCH_FROM_GIT_PATH}')")
 endif ()

-set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the PICO SDK")
-set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of PICO SDK from git if not otherwise locatable")
+set(PICO_SDK_PATH "${PICO_SDK_PATH}" CACHE PATH "Path to the Raspberry Pi Pico SDK")
+set(PICO_SDK_FETCH_FROM_GIT "${PICO_SDK_FETCH_FROM_GIT}" CACHE BOOL "Set to ON to fetch copy of SDK from git if not otherwise locatable")
 set(PICO_SDK_FETCH_FROM_GIT_PATH "${PICO_SDK_FETCH_FROM_GIT_PATH}" CACHE FILEPATH "location to download SDK")

 if (NOT PICO_SDK_PATH)
@@ -37,14 +35,14 @@ if (NOT PICO_SDK_PATH)
                GIT_TAG master
        )
        if (NOT pico_sdk)
-            message("Downloading PICO SDK")
+            message("Downloading Raspberry Pi Pico SDK")
            FetchContent_Populate(pico_sdk)
            set(PICO_SDK_PATH ${pico_sdk_SOURCE_DIR})
        endif ()
        set(FETCHCONTENT_BASE_DIR ${FETCHCONTENT_BASE_DIR_SAVE})
    else ()
        message(FATAL_ERROR
-                "PICO SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
+                "SDK location was not specified. Please set PICO_SDK_PATH or set PICO_SDK_FETCH_FROM_GIT to on to fetch from git."
                )
    endif ()
 endif ()
@@ -56,9 +54,9 @@ endif ()

 set(PICO_SDK_INIT_CMAKE_FILE ${PICO_SDK_PATH}/pico_sdk_init.cmake)
 if (NOT EXISTS ${PICO_SDK_INIT_CMAKE_FILE})
-    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the PICO SDK")
+    message(FATAL_ERROR "Directory '${PICO_SDK_PATH}' does not appear to contain the Raspberry Pi Pico SDK")
 endif ()

-set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the PICO SDK" FORCE)
+set(PICO_SDK_PATH ${PICO_SDK_PATH} CACHE PATH "Path to the Raspberry Pi Pico SDK" FORCE)

 include(${PICO_SDK_INIT_CMAKE_FILE})
@@ -90,7 +90,6 @@ def BuildHeader(name, vendor_name, product_name, vidtouse, pidtouse, vid, pid, p
    print("%s.build.f_cpu=125000000" % (name))
    print("%s.build.led=" % (name))
    print("%s.build.core=rp2040" % (name))
-    print("%s.build.mcu=rp2040" % (name))
    print("%s.build.ldscript=memmap_default.ld" % (name))
    print("%s.build.ram_length=%dk" % (name, ramsize / 1024))
    print("%s.build.boot2=%s" % (name, boot2))
@@ -99,6 +98,12 @@ def BuildHeader(name, vendor_name, product_name, vidtouse, pidtouse, vid, pid, p
    print('%s.build.usb_manufacturer="%s"' % (name, vendor_name))
    print('%s.build.usb_product="%s"' % (name, product_name))

+def WriteWarning():
+    print("# WARNING - DO NOT EDIT THIS FILE, IT IS MACHINE GENERATED")
+    print("#           To change something here, edit tools/makeboards.py and")
+    print("#           run 'python3 makeboards.py > ../boards.txt' to regenerate")
+    print()
+
 def BuildGlobalMenuList():
    print("menu.BoardModel=Model")
    print("menu.flash=Flash Size")
@@ -148,7 +153,7 @@ def MakeBoard(name, vendor_name, product_name, vid, pid, pwr, boarddefine, flash
        if name == "generic":
            BuildBoot(n)

-
+WriteWarning()
 BuildGlobalMenuList()
 MakeBoard("rpipico", "Raspberry Pi", "Pico", "0x2e8a", "0x000a", 250, "RASPBERRY_PI_PICO", 2, "boot2_w25q080_2_padded_checksum")
 MakeBoard("adafruit_feather", "Adafruit", "Feather RP2040", "0x239a", "0x80f1", 250, "ADAFRUIT_FEATHER_RP2040", 8, "boot2_w25x10cl_4_padded_checksum")
@@ -157,6 +162,7 @@ MakeBoard("adafruit_qtpy", "Adafruit", "QT Py RP2040", "0x239a", "0x80f7", 250,
 MakeBoard("adafruit_stemmafriend", "Adafruit", "STEMMA Friend RP2040", "0x239a", "0x80e3", 250, "ADAFRUIT_STEMMAFRIEND_RP2040", 8, "boot2_w25q080_2_padded_checksum")
 MakeBoard("adafruit_trinkeyrp2040qt", "Adafruit", "Trinkey RP2040 QT", "0x239a", "0x8109", 250, "ADAFRUIT_TRINKEYQT_RP2040", 8, "boot2_w25q080_2_padded_checksum")
 MakeBoard("adafruit_macropad2040", "Adafruit", "MacroPad RP2040", "0x239a", "0x8107", 250, "ADAFRUIT_MACROPAD_RP2040", 8, "boot2_w25q080_2_padded_checksum")
+MakeBoard("adafruit_kb2040", "Adafruit", "KB2040", "0x239a", "0x8105", 250, "ADAFRUIT_KB2040_RP2040", 8, "boot2_w25q080_2_padded_checksum")
 MakeBoard("arduino_nano_connect", "Arduino", "Nano RP2040 Connect", "0x2341", "0x0058", 250, "ARDUINO_NANO_RP2040_CONNECT", 16, "boot2_w25q080_2_padded_checksum")
 MakeBoard("cytron_maker_nano_rp2040", "Cytron", "Maker Nano RP2040", "0x2e8a", "0x100f", 250, "CYTRON_MAKER_NANO_RP2040", 2, "boot2_w25q080_2_padded_checksum")
 MakeBoard("cytron_maker_pi_rp2040", "Cytron", "Maker Pi RP2040", "0x2e8a", "0x1000", 250, "CYTRON_MAKER_PI_RP2040", 2, "boot2_w25q080_2_padded_checksum")
@@ -142,7 +142,8 @@ def configure_usb_flags(cpp_defines):
        ("USB_PID", usb_pid),
        ("USB_MANUFACTURER", '\\"%s\\"' % usb_manufacturer),
        ("USB_PRODUCT", '\\"%s\\"' % usb_product),
-        ("SERIALUSB_PID", usb_pid)
+        ("SERIALUSB_PID", usb_pid),
+        ("USBD_MAX_POWER_MA", 250)
    ])

    # use vidtouse and pidtouse 
@@ -0,0 +1,42 @@
+#pragma once
+
+// Pin definitions taken from:
+//    https://learn.adafruit.com/assets/100337
+
+// LEDs not pinned out
+#define PIN_LED        (31u)
+
+// Serial
+#define PIN_SERIAL1_TX (0u)
+#define PIN_SERIAL1_RX (1u)
+
+// Not pinned out
+#define PIN_SERIAL2_TX (31u)
+#define PIN_SERIAL2_RX (31u)
+
+// SPI
+#define PIN_SPI0_MISO  (20u)
+#define PIN_SPI0_MOSI  (19u)
+#define PIN_SPI0_SCK   (18u)
+#define PIN_SPI0_SS    (31u) // not pinned out
+
+// Not pinned out
+#define PIN_SPI1_MISO  (31u)
+#define PIN_SPI1_MOSI  (31u)
+#define PIN_SPI1_SCK   (31u)
+#define PIN_SPI1_SS    (31u)
+
+// Wire is on the STEMMA QT port
+#define PIN_WIRE0_SDA  (12u)
+#define PIN_WIRE0_SCL  (13u)
+
+// Wire1 is on the breakout pins
+#define PIN_WIRE1_SDA  (2u)
+#define PIN_WIRE1_SCL  (3u)
+
+#define SERIAL_HOWMANY (1u)
+#define SPI_HOWMANY    (1u)
+#define WIRE_HOWMANY   (2u)
+
+#define PIN_NEOPIXEL   (17u)
+#include "../generic/common.h"
@@ -38,4 +38,10 @@
 #define SPI_HOWMANY    (1u)
 #define WIRE_HOWMANY   (2u)

+// Pin overrides specific to the QT Py RP2040
+#define __PIN_A0 (29u)
+#define __PIN_A1 (28u)
+#define __PIN_A2 (27u)
+#define __PIN_A3 (26u)
+
 #include "../generic/common.h"
@@ -56,19 +56,19 @@ static const uint8_t A5 = (13u);
 #define PIN_SPI0_MISO  (D12)
 #define PIN_SPI0_MOSI  (D11)
 #define PIN_SPI0_SCK   (D13)
-#define PIN_SPI0_SS    (13u)//(D10)
+#define PIN_SPI0_SS    (D10)

 #define PIN_SPI1_MISO  (D25)
 #define PIN_SPI1_MOSI  (D28)
 #define PIN_SPI1_SCK   (D29)
-#define PIN_SPI1_SS    (13u)
+#define PIN_SPI1_SS    (D10)

 // Wire
 #define PIN_WIRE0_SDA  (D18)
 #define PIN_WIRE0_SCL  (D19)

-#define PIN_WIRE1_SDA  (26u) //Non c'è
-#define PIN_WIRE1_SCL  (27u) //Non c'è
+#define PIN_WIRE1_SDA  (D14)
+#define PIN_WIRE1_SCL  (D15)

 #define SERIAL_HOWMANY (3u)
 #define SPI_HOWMANY    (2u)
@@ -95,7 +95,7 @@ static const uint8_t SCK = PIN_SPI0_SCK;
 #define SerialHCI		Serial2

 //#define NINA_GPIOIRQ	(21u) // LEDG pin (GPIO26 on NINA)
-#define NINA_GPIO0		(20u) // real GPIO0 on NINA
+#define NINA_GPIO0		(D20)   // (2u), real GPIO0 on NINA

 #define SPIWIFI_SS		(D26)
 #define SPIWIFI_ACK		(D27)
@@ -39,12 +39,34 @@ static const uint8_t D27 = (27u);
 static const uint8_t D28 = (28u);
 static const uint8_t D29 = (29u);

-static const uint8_t A0 = (26u);
-static const uint8_t A1 = (27u);
-static const uint8_t A2 = (28u);
-static const uint8_t A3 = (29u);
+#ifdef __PIN_A0
+	static const uint8_t A0 = __PIN_A0;
+#else
+	static const uint8_t A0 = (26u);
+#endif
+
+#ifdef __PIN_A1
+	static const uint8_t A1 = __PIN_A1;
+#else
+	static const uint8_t A1 = (27u);
+#endif
+
+#ifdef __PIN_A2
+	static const uint8_t A2 = __PIN_A2;
+#else
+	static const uint8_t A2 = (28u);
+#endif
+
+#ifdef __PIN_A3
+	static const uint8_t A3 = __PIN_A3;
+#else
+	static const uint8_t A3 = (29u);
+#endif

 static const uint8_t SS = PIN_SPI0_SS;
 static const uint8_t MOSI = PIN_SPI0_MOSI;
 static const uint8_t MISO = PIN_SPI0_MISO;
 static const uint8_t SCK = PIN_SPI0_SCK;
+
+static const uint8_t SDA = PIN_WIRE0_SDA;
+static const uint8_t SCL = PIN_WIRE0_SCL;
Author	SHA1	Message	Date
Earle F. Philhower, III	dc54eeb8d0	Update package.json	2022-01-02 09:45:44 -08:00
Earle F. Philhower, III	3a2a7f8cf1	Fix hang on Serial overflow, PIOSerial stop bit handling (#401 ) When the Serial software FIFOs overeflowed, the IRQ handler would not read any more data from the hardware FIFOs. This would cause the IRQ handler to be continually called as soon as it exited since the HW FIFOS were not empty. Now always read every available HW FIFO entry and throw out any that don't fit in the SW FIFO. Also fix a too long by half stop bit timing in the PIOSerial receiver.	2022-01-02 05:46:33 -08:00
Khoi Hoang	52a22e5185	Fix Nano_RP2040_Connect pinout issue (#400 ) Fix issues with [WiFiNINA](https://github.com/arduino-libraries/WiFiNINA) and [WiFiNINA_Generic](https://github.com/khoih-prog/WiFiNINA_Generic) libraries Fixes #373 Fixes #375 Fixes #376	2022-01-01 13:05:25 -08:00
Earle F. Philhower, III	cae8c70e51	Add the PIO UARTs to the list	2021-12-30 16:02:15 -08:00
Earle F. Philhower, III	513bd81810	Add SDA/SCL variables like other cores export (#398 ) Fixes #368. Thanks @bperrybap!	2021-12-30 15:57:13 -08:00
Earle F. Philhower, III	891f653ead	Update package.json	2021-12-30 09:56:59 -08:00
Ken Piper	5b270aab61	Fix A0-A3 pin definitions for Adafruit QT Py RP2040 (#397 )	2021-12-30 09:56:38 -08:00
Maximilian Gerhardt	6591da9acf	Fix PlatformIO build (#395 ) Defines USBD_MAX_POWER_MA as a static 250mA, which is correct for all the boards supported in platform-raspberrypi (aka, RaspberryPi Pico and Nano RP2040 Connect)	2021-12-29 09:19:47 -08:00
Earle F. Philhower, III	c80c08d32c	Update package.json	2021-12-28 08:27:34 -08:00
Earle F. Philhower, III	ce7d337c5c	Add SoftwareSerial-like PIO based UARTs (#391 ) Adds support to the core for PIO-based, software-created UARTs, up to 8 (the number of PIO state machines) possible. By using a custom program on the PIO state machines, it allows for very high bit rates and does not require CPU or interrupts. Bit widths from 5- to 8-bits, 1 or 2 stop bits, and even/odd/none parity are supported.	2021-12-28 08:27:08 -08:00
Earle F. Philhower, III	dc1198bd9c	Use interrupts to capture Serial UART data, not polling (#393 ) PR #379 was an ugly hack which works only if you poll the Serial port more frequently than ~8 byte times. This PR replaces the polling with an IRQ based lockless writer/reader queue so that even if you only read every 32 byte times, the Serial1/2 port should not lose data. It also should use less CPU and allow for somewhat higher throughput.	2021-12-28 08:21:03 -08:00
Earle F. Philhower, III	f46d7cc84f	Speed up SPI by not reinitting if the paramters are the same as before (#394 ) Leave the SPI port initted after a transaction, and when a new one comes in check if it is the same settings we're already running. If so, do nothing. If not, deinit and reinit. In general the settings will be identical, so this will speed things up massively. Fixes #392	2021-12-27 12:25:12 -08:00
Earle F. Philhower, III	5ee764390e	Update README.md	2021-12-26 05:29:10 -08:00
Limor "Ladyada" Fried	894a82f54f	Add Adafruit KB2040 (#390 )	2021-12-26 05:28:50 -08:00
Earle F. Philhower, III	5cc9835303	Add warning not to edit boards.txt (#383 )	2021-12-23 08:09:59 -08:00
Earle F. Philhower, III	48877984b7	Remove redundant board.mcu in boards.txt, fix precompiled libs (#382 ) * Remove redundant/wrong second board.mcu in boards.txt Fixes #380 Boards.txt had the setting board.mcu twice. The first one was correct, while the second one wasn't and shouldn't have been there. Remove it. * Include fix from @rei-vilo in #381	2021-12-23 07:55:34 -08:00
Earle F. Philhower, III	a58f49018a	Add a poor-man's software FIFO for serial UART reads (#379 ) Because the hardware FIFO is quite small and doesn't report the actual number of bytes available, implement a software FIFO that will pull all available bytes out of the HW FIFO on any Serial call. It's not as efficient or as bulletproof as an IRQ based method, but it is simpler to implement and can help with issues like #378	2021-12-23 07:41:34 -08:00
Earle F. Philhower, III	7120a1508c	Update to SDK version 1.3.0 (#371 )	2021-12-14 18:59:24 -08:00