Update version

Supersedes #972.  Thanks @kholk

.github/workflows/pull-request.yml

@@ -6,6 +6,10 @@ name: Arduino-Pico CI
 on:
   pull_request:
 
+env:
+  TRAVIS_BUILD_DIR: ${{ github.workspace }}
+  TRAVIS_TAG: ${{ github.ref }}
+
 
 jobs:
 
@@ -20,7 +24,7 @@ jobs:
     - name: Run codespell
       uses: codespell-project/actions-codespell@master
       with:
-        skip: ./ArduinoCore-API,./libraries/ESP8266SdFat,./libraries/Adafruit_TinyUSB_Arduino,./libraries/LittleFS/lib,./tools/pyserial,./pico-sdk,./.github,./docs/i2s.rst,./cores/rp2040/api,./libraries/FreeRTOS,./tools/libbearssl/bearssl,./include,./libraries/WiFi/examples/BearSSL_Server,./ota/uzlib,./libraries/http-parser/lib,./libraries/WebServer/examples/HelloServerBearSSL/HelloServerBearSSL.ino,./libraries/HTTPUpdateServer/examples/SecureBearSSLUpdater/SecureBearSSLUpdater.ino
+        skip: ./ArduinoCore-API,./libraries/ESP8266SdFat,./libraries/Adafruit_TinyUSB_Arduino,./libraries/LittleFS/lib,./tools/pyserial,./pico-sdk,./.github,./docs/i2s.rst,./cores/rp2040/api,./libraries/FreeRTOS,./tools/libbearssl/bearssl,./include,./libraries/WiFi/examples/BearSSL_Server,./ota/uzlib,./libraries/http-parser/lib,./libraries/WebServer/examples/HelloServerBearSSL/HelloServerBearSSL.ino,./libraries/HTTPUpdateServer/examples/SecureBearSSLUpdater/SecureBearSSLUpdater.ino,./.git
         ignore_words_list: ser,dout
 
 # Consistent style
@@ -46,10 +50,6 @@ jobs:
         ./tests/restyle.sh
         # If anything changed, GIT should return an error and fail the test
         git diff --exit-code
-#    - name: Check Arduino API copy is clean
-#      run: |
-#        git submodule update --init ./ArduinoCore-API
-#        diff -r ./cores/rp2040/api ./ArduinoCore-API/api
 
 # Build all examples on linux (core and Arduino IDE)
   build-linux:
@@ -62,19 +62,17 @@ jobs:
     - uses: actions/checkout@v3
       with:
         submodules: true
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Cache Linux toolchain
       id: cache-linux
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ./tools/dist
         key: ${{ runner.os }}-${{ hashFiles('package/package_pico_index.template.json', 'tests/common.sh') }}
     - name: Build Sketches
       env:
-        TRAVIS_BUILD_DIR: ${{ github.workspace }}
-        TRAVIS_TAG: ${{ github.ref }}
         BUILD_PARITY: custom
         mod: 6
         rem: ${{ matrix.chunk }}
@@ -92,19 +90,17 @@ jobs:
     - uses: actions/checkout@v3
       with:
         submodules: true
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Cache Linux toolchain
       id: cache-linux
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ./tools/dist
         key: ${{ runner.os }}-${{ hashFiles('package/package_pico_index.template.json', 'tests/common.sh') }}
     - name: Build Sketches
       env:
-        TRAVIS_BUILD_DIR: ${{ github.workspace }}
-        TRAVIS_TAG: ${{ github.ref }}
         BUILD_PARITY: custom
       run: |
         cd pico-sdk
@@ -120,19 +116,17 @@ jobs:
     - uses: actions/checkout@v3
       with:
         submodules: true
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Cache Windows toolchain
       id: cache-windows
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ./tools/dist
         key: ${{ runner.os }}-${{ hashFiles('package/package_pico_index.template.json', 'tests/common.sh') }}
     - name: Build Sketch
       env:
-        TRAVIS_BUILD_DIR: ${{ github.workspace }}
-        TRAVIS_TAG: ${{ github.ref }}
         WINDOWS: 1
         BUILD_PARITY: custom
         mod: 500
@@ -150,24 +144,22 @@ jobs:
 # Single build under macOS to ensure the Mac toolchain is good.
   build-mac:
     name: Mac
-    runs-on: macOS-latest
+    runs-on: macOS-12
     steps:
     - uses: actions/checkout@v3
       with:
         submodules: true
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Cache Mac toolchain
       id: cache-mac
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ./tools/dist
         key: ${{ runner.os }}-${{ hashFiles('package/package_pico_index.template.json', 'tests/common.sh') }}
     - name: Build Sketch
       env:
-        TRAVIS_BUILD_DIR: ${{ github.workspace }}
-        TRAVIS_TAG: ${{ github.ref }}
         MACOSX: 1
         BUILD_PARITY: custom
         mod: 500
@@ -194,19 +186,21 @@ jobs:
         git submodule update --init
         cd ../..
     - name: Cache pip
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
         restore-keys: |
           ${{ runner.os }}-pip-
     - name: Cache PlatformIO
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.platformio
         key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.x'
     - name: Install PlatformIO
       run: |
         python -m pip install --upgrade pip

.github/workflows/release-to-publish.yml

@@ -9,22 +9,22 @@ jobs:
     name: Update master JSON file
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Cache pip
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.cache/pip
         key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
         restore-keys: |
           ${{ runner.os }}-pip-
     - name: Cache PlatformIO
-      uses: actions/cache@v2
+      uses: actions/cache@v3
       with:
         path: ~/.platformio
         key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Install PlatformIO

.github/workflows/tag-to-draft-release.yml

@@ -15,11 +15,11 @@ jobs:
     name: Package
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true
         fetch-depth: 0
-    - uses: actions/setup-python@v2
+    - uses: actions/setup-python@v4
       with:
         python-version: '3.x'
     - name: Build package JSON

README.md

@@ -13,6 +13,7 @@ See https://arduino-pico.readthedocs.io/en/latest/ along with the examples for m
 * Raspberry Pi Pico
 * Raspberry Pi Pico W
 * Adafruit Feather RP2040
+* Adafruit Feather RP2040 SCORPIO
 * Adafruit ItsyBitsy RP2040
 * Adafruit KB2040
 * Adafruit Macropad RP2040
@@ -23,6 +24,7 @@ See https://arduino-pico.readthedocs.io/en/latest/ along with the examples for m
 * BridgeTek IDM2040-7A
 * Cytron Maker Pi RP2040
 * Cytron Maker Nano RP2040
+* DatanoiseTV PicoADK+
 * Degz Mizu
 * DeRuiLab FlyBoard2040 Core
 * DFRobot Beetle RP2040
@@ -44,6 +46,11 @@ See https://arduino-pico.readthedocs.io/en/latest/ along with the examples for m
 * SparkFun ProMicro RP2040
 * SparkFun Thing Plus RP2040
 * uPesy RP2040 DevKit
+* Waveshare RP2040 Zero
+* Waveshare RP2040 One
+* Waveshare RP2040 Plus
+* Waveshare RP2040 LCD 0.96
+* Waveshare RP2040 LCD 1.28
 * WIZnet W5100S-EVB-Pico
 * WIZnet W5500-EVB-Pico
 * WIZnet WizFi360-EVB-Pico

boot2/boot2_w25q16jvxq_4_padded_checksum.S

@@ -0,0 +1,23 @@
+// Padded and checksummed version of: generated\Winbond\W25Q16JVxQ\boot2.bin
+
+.cpu cortex-m0plus
+.thumb
+
+.section .boot2, "ax"
+
+.byte 0xf7, 0xb5, 0x73, 0x46, 0x21, 0x22, 0x02, 0x26, 0x01, 0x93, 0x29, 0x4b, 0xc0, 0x24, 0x5a, 0x60
+.byte 0x9a, 0x68, 0x00, 0x27, 0xb2, 0x43, 0xda, 0x60, 0x9a, 0x60, 0x1a, 0x61, 0x5a, 0x61, 0x04, 0x23
+.byte 0x01, 0x25, 0x64, 0x05, 0xa7, 0x60, 0x63, 0x61, 0x22, 0x4b, 0x30, 0x00, 0x1d, 0x60, 0xe0, 0x23
+.byte 0xdb, 0x02, 0x23, 0x60, 0x35, 0x23, 0xa5, 0x60, 0x23, 0x66, 0x23, 0x66, 0x00, 0xf0, 0x4a, 0xf8
+.byte 0xc0, 0xb2, 0xb0, 0x42, 0x12, 0xd0, 0x06, 0x23, 0x28, 0x00, 0x23, 0x66, 0x00, 0xf0, 0x42, 0xf8
+.byte 0x25, 0x66, 0x03, 0x20, 0x27, 0x66, 0x26, 0x66, 0x00, 0xf0, 0x3c, 0xf8, 0x03, 0x36, 0x26, 0x66
+.byte 0x02, 0x20, 0x26, 0x66, 0x00, 0xf0, 0x36, 0xf8, 0x28, 0x42, 0xf8, 0xd1, 0x00, 0x25, 0x12, 0x4b
+.byte 0xa5, 0x60, 0x12, 0x4f, 0x23, 0x60, 0x12, 0x4b, 0x65, 0x60, 0x01, 0x26, 0x3b, 0x60, 0xeb, 0x23
+.byte 0xa6, 0x60, 0x23, 0x66, 0x4b, 0x3b, 0x23, 0x66, 0x02, 0x20, 0x00, 0xf0, 0x23, 0xf8, 0x0d, 0x4b
+.byte 0xa5, 0x60, 0x3b, 0x60, 0xa6, 0x60, 0x01, 0x9b, 0xab, 0x42, 0x08, 0xd1, 0x0a, 0x4b, 0x0b, 0x4a
+.byte 0x13, 0x60, 0x1b, 0x68, 0x83, 0xf3, 0x08, 0x88, 0x09, 0x4b, 0x1b, 0x68, 0x18, 0x47, 0xf7, 0xbd
+.byte 0x00, 0x00, 0x02, 0x40, 0xf0, 0x00, 0x00, 0x18, 0x00, 0x03, 0x5f, 0x00, 0xf4, 0x00, 0x00, 0x18
+.byte 0x21, 0x22, 0x00, 0x00, 0x22, 0x20, 0x00, 0xa0, 0x00, 0x01, 0x00, 0x10, 0x08, 0xed, 0x00, 0xe0
+.byte 0x04, 0x01, 0x00, 0x10, 0xc0, 0x22, 0x03, 0x00, 0x04, 0x21, 0x52, 0x05, 0x90, 0x6a, 0x08, 0x42
+.byte 0xfc, 0xd0, 0x01, 0x21, 0x90, 0x6a, 0x08, 0x42, 0xfc, 0xd1, 0x01, 0x3b, 0xdb, 0xb2, 0x10, 0x6e
+.byte 0x00, 0x2b, 0xfa, 0xd1, 0x70, 0x47, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xaa, 0xa0, 0xf0, 0x2f

cores/rp2040/CoreMutex.cpp

@@ -24,17 +24,22 @@
 #include "Arduino.h"
 #include "CoreMutex.h"
 
-CoreMutex::CoreMutex(mutex_t *mutex, bool debugEnable) {
+CoreMutex::CoreMutex(mutex_t *mutex, uint8_t option) {
     _mutex = mutex;
     _acquired = false;
+    _option = option;
     if (__isFreeRTOS) {
         auto m = __get_freertos_mutex_for_ptr(mutex);
-        __freertos_mutex_take(m);
+        if (_option & FromISR) {
+            __freertos_mutex_take_from_isr(m);
+        } else {
+            __freertos_mutex_take(m);
+        }
     } else {
         uint32_t owner;
         if (!mutex_try_enter(_mutex, &owner)) {
             if (owner == get_core_num()) { // Deadlock!
-                if (debugEnable) {
+                if (_option & DebugEnable) {
                     DEBUGCORE("CoreMutex - Deadlock detected!\n");
                 }
                 return;
@@ -49,7 +54,11 @@ CoreMutex::~CoreMutex() {
     if (_acquired) {
         if (__isFreeRTOS) {
             auto m = __get_freertos_mutex_for_ptr(_mutex);
-            __freertos_mutex_give(m);
+            if (_option & FromISR) {
+                __freertos_mutex_give_from_isr(m);
+            } else {
+                __freertos_mutex_give(m);
+            }
         } else {
             mutex_exit(_mutex);
         }

cores/rp2040/CoreMutex.h

@@ -26,9 +26,14 @@
 #include "pico/mutex.h"
 #include "_freertos.h"
 
+enum {
+    DebugEnable = 1,
+    FromISR = 1 << 1,
+};
+
 class CoreMutex {
 public:
-    CoreMutex(mutex_t *mutex, bool debugEnable = true);
+    CoreMutex(mutex_t *mutex, uint8_t option = DebugEnable);
     ~CoreMutex();
 
     operator bool() {
@@ -38,4 +43,5 @@ public:
 private:
     mutex_t *_mutex;
     bool _acquired;
+    u_int8_t _option;
 };

cores/rp2040/RP2040Support.h

@@ -325,7 +325,7 @@ public:
     }
 
     const char *getChipID() {
-        static char id[PICO_UNIQUE_BOARD_ID_SIZE_BYTES + 1] = { 0 };
+        static char id[2 * PICO_UNIQUE_BOARD_ID_SIZE_BYTES + 1] = { 0 };
         if (!id[0]) {
             pico_get_unique_board_id_string(id, sizeof(id));
         }

cores/rp2040/RP2040Version.h

@@ -1,5 +1,5 @@
 #pragma once
 #define ARDUINO_PICO_MAJOR 2
 #define ARDUINO_PICO_MINOR 6
-#define ARDUINO_PICO_REVISION 2
-#define ARDUINO_PICO_VERSION_STR "2.6.2"
+#define ARDUINO_PICO_REVISION 4
+#define ARDUINO_PICO_VERSION_STR "2.6.4"

cores/rp2040/SerialPIO.cpp

@@ -230,7 +230,7 @@ void SerialPIO::begin(unsigned long baud, uint16_t config) {
         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) - 5 /* insns in PIO halfbit loop */);
+        pio_sm_put_blocking(_rxPIO, _rxSM, clock_get_hz(clk_sys) / (_baud * 2) - 7 /* insns in PIO halfbit loop */);
         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
@@ -259,9 +259,11 @@ void SerialPIO::end() {
     }
     if (_tx != NOPIN) {
         pio_sm_set_enabled(_txPIO, _txSM, false);
+        pio_sm_unclaim(_txPIO, _txSM);
     }
     if (_rx != NOPIN) {
         pio_sm_set_enabled(_rxPIO, _rxSM, false);
+        pio_sm_unclaim(_rxPIO, _rxSM);
         _pioSP[pio_get_index(_rxPIO)][_rxSM] = nullptr;
         // If no more active, disable the IRQ
         auto pioNum = pio_get_index(_rxPIO);

cores/rp2040/_freertos.cpp

@@ -38,10 +38,15 @@ extern "C" SemaphoreHandle_t __get_freertos_mutex_for_ptr(mutex_t *m) {
             return _map[i].dst;
         }
     }
-    // Make a new mutex
-    auto fm = __freertos_mutex_create();
+
     for (int i = 0; i < 16; i++) {
         if (_map[i].src == nullptr) {
+            // Make a new mutex
+            SemaphoreHandle_t fm = __freertos_mutex_create();
+            if (fm == nullptr) {
+                return nullptr;
+            }
+
             _map[i].src = m;
             _map[i].dst = fm;
             return fm;

cores/rp2040/_freertos.h

@@ -41,8 +41,10 @@ extern "C" {
     extern SemaphoreHandle_t _freertos_recursive_mutex_create() __attribute__((weak));
 
     extern void __freertos_mutex_take(SemaphoreHandle_t mtx) __attribute__((weak));
+    extern void __freertos_mutex_take_from_isr(SemaphoreHandle_t mtx) __attribute__((weak));
     extern int __freertos_mutex_try_take(SemaphoreHandle_t mtx) __attribute__((weak));
     extern void __freertos_mutex_give(SemaphoreHandle_t mtx) __attribute__((weak));
+    extern void __freertos_mutex_give_from_isr(SemaphoreHandle_t mtx) __attribute__((weak));
 
     extern void __freertos_recursive_mutex_take(SemaphoreHandle_t mtx) __attribute__((weak));
     extern int __freertos_recursive_mutex_try_take(SemaphoreHandle_t mtx) __attribute__((weak));

cores/rp2040/main.cpp

@@ -125,7 +125,6 @@ extern "C" int main() {
     }
 #endif
 
-#ifndef NO_USB
     if (!__isFreeRTOS) {
         if (setup1 || loop1) {
             rp2040.fifo.begin(2);
@@ -134,7 +133,6 @@ extern "C" int main() {
         }
         rp2040.fifo.registerCore();
     }
-#endif
 
     if (!__isFreeRTOS) {
         if (setup1 || loop1) {

cores/rp2040/sdkoverride/cyw43_arch_threadsafe_background.c

@@ -6,7 +6,7 @@
 
 // Taken from the Pico-SDK v1.4.0 and hacked by EFP3 to allow overriding the LWIP setup
 
-#include <stdio.h>
+//#include <stdio.h>
 
 #include "pico/cyw43_arch.h"
 #include "pico/mutex.h"
@@ -145,7 +145,7 @@ static void gpio_irq_handler(void) {
 static void low_priority_irq_handler(void) {
     assert(cyw43_core_num == get_core_num());
     if (recursive_mutex_try_enter(&cyw43_mutex, NULL)) {
-        if (recursive_mutex_enter_count(&cyw43_mutex) != 1) {
+        if (__inLWIP || (recursive_mutex_enter_count(&cyw43_mutex) != 1)) {
             low_priority_irq_missed = true;
             CYW43_STAT_INC(PENDSV_DISABLED_COUNT);
         } else {

cores/rp2040/wiring_analog.cpp

@@ -29,6 +29,7 @@
 static uint32_t analogScale = 255;
 static uint32_t analogFreq = 1000;
 static uint32_t pwmInitted = 0;
+static bool scaleInitted = false;
 static bool adcInitted = false;
 static uint16_t analogWritePseudoScale = 1;
 static uint16_t analogWriteSlowScale = 1;
@@ -49,6 +50,7 @@ extern "C" void analogWriteFreq(uint32_t freq) {
         analogFreq = freq;
     }
     pwmInitted = 0;
+    scaleInitted = false;
 }
 
 extern "C" void analogWriteRange(uint32_t range) {
@@ -58,6 +60,7 @@ extern "C" void analogWriteRange(uint32_t range) {
     if ((range >= 3) && (range <= 65535)) {
         analogScale = range;
         pwmInitted = 0;
+        scaleInitted = false;
     } else {
         DEBUGCORE("ERROR: analogWriteRange out of range (%d)\n", range);
     }
@@ -78,7 +81,7 @@ extern "C" void analogWrite(pin_size_t pin, int val) {
         DEBUGCORE("ERROR: Illegal analogWrite pin (%d)\n", pin);
         return;
     }
-    if (!(pwmInitted & (1 << pin))) {
+    if (!scaleInitted) {
         // For low frequencies, we need to scale the output max value up to achieve lower periods
         analogWritePseudoScale = 1;
         while (((clock_get_hz(clk_sys) / ((float)analogScale * analogFreq)) > 255.0) && (analogScale < 32678)) {
@@ -93,11 +96,14 @@ extern "C" void analogWrite(pin_size_t pin, int val) {
             analogScale /= 2;
             DEBUGCORE("Adjusting analogWrite values SS=%d, scale=%d\n", analogWriteSlowScale, analogScale);
         }
+        scaleInitted = true;
+    }
+    if (!(pwmInitted & (1 << pwm_gpio_to_slice_num(pin)))) {
         pwm_config c = pwm_get_default_config();
         pwm_config_set_clkdiv(&c, clock_get_hz(clk_sys) / ((float)analogScale * analogFreq));
         pwm_config_set_wrap(&c, analogScale - 1);
         pwm_init(pwm_gpio_to_slice_num(pin), &c, true);
-        pwmInitted |= 1 << pin;
+        pwmInitted |= 1 << pwm_gpio_to_slice_num(pin);
     }
 
     val <<= analogWritePseudoScale;

cores/rp2040/wiring_private.cpp

@@ -77,7 +77,7 @@ static std::map<pin_size_t, CBInfo> _map;
 void _gpioInterruptDispatcher(uint gpio, uint32_t events) {
     (void) events;
     // Only need to lock around the std::map check, not the whole IRQ callback
-    CoreMutex m(&_irqMutex);
+    CoreMutex m(&_irqMutex, (FromISR | DebugEnable));
     if (m) {
         auto irq = _map.find(gpio);
         if (irq != _map.end()) {
@@ -135,7 +135,7 @@ void attachInterruptParam(pin_size_t pin, voidFuncPtrParam callback, PinStatus m
     default:      return;  // ERROR
     }
     noInterrupts();
-    detachInterrupt(pin);
+    _detachInterruptInternal(pin);
     CBInfo cb(callback, param);
     _map.insert({pin, cb});
     gpio_set_irq_enabled_with_callback(pin, events, true, _gpioInterruptDispatcher);

docs/conf.py

@@ -54,9 +54,9 @@ author = u'Earle F. Philhower, III'
 # built documents.
 #
 # The short X.Y version.
-version = u'2.6.2'
+version = u'2.6.4'
 # The full version, including alpha/beta/rc tags.
-release = u'2.6.2'
+release = u'2.6.4'
 
 # The language for content autogenerated by Sphinx. Refer to documentation
 # for a list of supported languages.

docs/rp2040.rst

@@ -38,12 +38,12 @@ void rp2040.reboot()
 Forces a hardware reboot of the Pico.
 
 Hardware Watchdog
-_________________
+-----------------
 
 void rp2040.wdt_begin(uint32_t delay_ms)
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 Enables the hardware watchdog timer with a delay value of delay_ms
-microseconds. Note that on the RP2040, once this function has called, the
+milliseconds. Note that on the RP2040, once this function has called, the
 hardware watchdog can _not_ be disabled.
 
 void rp2040.wdt_reset()

docs/wifi.rst

@@ -40,8 +40,6 @@ Please note that WiFi on the Pico W is a work-in-progress and there are some imp
 
   * Combined STA/AP mode is not supported
 
-  * Certain WiFi status values (RSSI, BSSID, etc.) are not available.
-
 * Multicore is supported, but only one core may run ``WiFi`` code.
 
   * FreeRTOS is not yet supported due to the requirement for a very different LWIP implementation.  PRs always appreciated!

libraries/ArduinoOTA/src/ArduinoOTA.cpp

@@ -110,7 +110,7 @@ void ArduinoOTAClass::begin(bool useMDNS) {
     _useMDNS = useMDNS;
 
     if (!_hostname.length()) {
-        char tmp[15];
+        char tmp[2 * PICO_UNIQUE_BOARD_ID_SIZE_BYTES + 6];
         sprintf(tmp, "pico-%s", rp2040.getChipID());
         _hostname = tmp;
     }

libraries/EEPROM/src/EEPROM.cpp

@@ -45,7 +45,7 @@ void EEPROMClass::begin(size_t size) {
         size = 4096;
     }
 
-    _size = (size + 255) & (~255);  // Flash writes limited to 256 byte boundaries
+    size = (size + 255) & (~255);  // Flash writes limited to 256 byte boundaries
 
     // In case begin() is called a 2nd+ time, don't reallocate if size is the same
     if (_data && size != _size) {
@@ -55,6 +55,8 @@ void EEPROMClass::begin(size_t size) {
         _data = new uint8_t[size];
     }
 
+    _size = size;
+
     memcpy(_data, _sector, _size);
 
     _dirty = false; //make sure dirty is cleared in case begin() is called 2nd+ time

libraries/FreeRTOS/src/variantHooks.cpp

@@ -59,7 +59,7 @@ volatile bool __usbInitted = false;
 
 static void __core0(void *params) {
     (void) params;
-#ifndef NO_USB
+#if !defined(NO_USB) && !defined(USE_TINYUSB)
     while (!__usbInitted) {
         delay(1);
     }
@@ -81,7 +81,7 @@ static void __core0(void *params) {
 
 static void __core1(void *params) {
     (void) params;
-#ifndef NO_USB
+#if !defined(NO_USB) && !defined(USE_TINYUSB)
     while (!__usbInitted) {
         delay(1);
     }
@@ -414,6 +414,10 @@ extern "C" {
         xSemaphoreTake(mtx, portMAX_DELAY);
     }
 
+    void __freertos_mutex_take_from_isr(SemaphoreHandle_t mtx) {
+        xSemaphoreTakeFromISR(mtx, NULL);
+    }
+
     int __freertos_mutex_try_take(SemaphoreHandle_t mtx) {
         return xSemaphoreTake(mtx, 0);
     }
@@ -422,6 +426,10 @@ extern "C" {
         xSemaphoreGive(mtx);
     }
 
+    void __freertos_mutex_give_from_isr(SemaphoreHandle_t mtx) {
+        xSemaphoreGiveFromISR(mtx, NULL);
+    }
+
     void __freertos_recursive_mutex_take(SemaphoreHandle_t mtx) {
         xSemaphoreTakeRecursive(mtx, portMAX_DELAY);
     }

libraries/I2S/src/I2S.cpp

@@ -27,11 +27,26 @@ I2S::I2S(PinMode direction) {
     _running = false;
     _bps = 16;
     _writtenHalf = false;
+    _isOutput = direction == OUTPUT;
     _pinBCLK = 26;
     _pinDOUT = 28;
+#ifdef PIN_I2S_BCLK
+    _pinBCLK = PIN_I2S_BCLK;
+#endif
+
+#ifdef PIN_I2S_DOUT
+    if (_isOutput) {
+        _pinDOUT = PIN_I2S_DOUT;
+    }
+#endif
+
+#ifdef PIN_I2S_DIN
+    if (!_isOutput) {
+        _pinDOUT = PIN_I2S_DIN;
+    }
+#endif
     _freq = 48000;
     _arb = nullptr;
-    _isOutput = direction == OUTPUT;
     _cb = nullptr;
     _buffers = 8;
     _bufferWords = 16;

libraries/WiFi/keywords.txt

@@ -42,6 +42,7 @@ gatewayIP	KEYWORD2
 SSID	KEYWORD2
 BSSID		KEYWORD2
 RSSI	KEYWORD2
+channel	KEYWORD2
 encryptionType	KEYWORD2
 beginPacket	KEYWORD2
 endPacket	KEYWORD2

libraries/WiFi/src/WiFiClass.cpp

@@ -44,17 +44,20 @@ const char* WiFiClass::firmwareVersion() {
     return PICO_SDK_VERSION_STRING;
 }
 
-void WiFiClass::mode(_wifiModeESP m) {
+void WiFiClass::mode(WiFiMode_t m) {
     _calledESP = true;
     switch (m) {
-    case WIFI_OFF:
+    case WiFiMode_t::WIFI_OFF:
         end();
         break;
-    case WIFI_AP:
-        _modeESP = WIFI_AP;
+    case WiFiMode_t::WIFI_AP:
+        _modeESP = WiFiMode_t::WIFI_AP;
         break;
-    case WIFI_STA:
-        _modeESP = WIFI_STA;
+    case WiFiMode_t::WIFI_STA:
+        _modeESP = WiFiMode_t::WIFI_STA;
+        break;
+    case WiFiMode_t::WIFI_AP_STA:
+        _modeESP = WiFiMode_t::WIFI_STA;
         break;
     }
 }
@@ -86,7 +89,7 @@ int WiFiClass::begin(const char* ssid, const char *passphrase) {
 
     _ssid = ssid;
     _password = passphrase;
-    _wifi.setSSID(ssid);
+    _wifi.setSSID(_ssid.c_str());
     _wifi.setPassword(passphrase);
     _wifi.setTimeout(_timeout);
     _wifi.setSTA();
@@ -123,7 +126,7 @@ uint8_t WiFiClass::beginAP(const char *ssid, const char* passphrase) {
 
     _ssid = ssid;
     _password = passphrase;
-    _wifi.setSSID(ssid);
+    _wifi.setSSID(_ssid.c_str());
     _wifi.setPassword(passphrase);
     _wifi.setTimeout(_timeout);
     _wifi.setAP();
@@ -234,7 +237,7 @@ const char *WiFiClass::getHostname() {
 
     return: one value of wl_status_t enum
 */
-int WiFiClass::disconnect(void) {
+int WiFiClass::disconnect(bool wifi_off __unused) {
     if (_dhcpServer) {
         dhcp_server_deinit(_dhcpServer);
         free(_dhcpServer);
@@ -300,7 +303,7 @@ IPAddress WiFiClass::gatewayIP() {
 
     return: ssid string
 */
-const char* WiFiClass::SSID() {
+const String &WiFiClass::SSID() {
     return _ssid;
 }
 
@@ -311,11 +314,33 @@ const char* WiFiClass::SSID() {
     return: pointer to uint8_t array with length WL_MAC_ADDR_LENGTH
 */
 uint8_t* WiFiClass::BSSID(uint8_t* bssid) {
-    // TODO - driver does not return this?!
-    memset(bssid, 0xee, WL_MAC_ADDR_LENGTH);
+#ifndef CYW43_IOCTL_GET_BSSID
+#define CYW43_IOCTL_GET_BSSID ( (uint32_t)23 * 2 )
+#endif
+
+    if (_wifi.connected()) {
+        cyw43_ioctl(&cyw43_state, CYW43_IOCTL_GET_BSSID, WL_MAC_ADDR_LENGTH, bssid, CYW43_ITF_STA);
+    } else {
+        memset(bssid, 0, WL_MAC_ADDR_LENGTH);
+    }
     return bssid;
 }
 
+int WiFiClass::channel() {
+#ifndef CYW43_IOCTL_GET_CHANNEL
+#define CYW43_IOCTL_GET_CHANNEL 0x3a
+#endif
+
+    int32_t channel;
+    if (_wifi.connected()) {
+        cyw43_ioctl(&cyw43_state, CYW43_IOCTL_GET_CHANNEL, sizeof channel, (uint8_t *)&channel, CYW43_ITF_STA);
+    } else {
+        channel = -1;
+    }
+    return channel;
+}
+
+
 /*
     Return the current RSSI /Received Signal Strength in dBm)
     associated with the network
@@ -323,8 +348,17 @@ uint8_t* WiFiClass::BSSID(uint8_t* bssid) {
     return: signed value
 */
 int32_t WiFiClass::RSSI() {
-    // TODO - driver does not return this?!
-    return 0;
+#ifndef CYW43_IOCTL_GET_RSSI
+#define CYW43_IOCTL_GET_RSSI 0xFE
+#endif
+
+    int32_t rssi;
+    if (_wifi.connected()) {
+        cyw43_ioctl(&cyw43_state, CYW43_IOCTL_GET_RSSI, sizeof rssi, (uint8_t *)&rssi, CYW43_ITF_STA);
+    } else {
+        rssi = -255;
+    }
+    return rssi;
 }
 
 /*
@@ -365,7 +399,7 @@ int WiFiClass::_scanCB(void *env, const cyw43_ev_scan_result_t *result) {
 
     return: Number of discovered networks
 */
-int8_t WiFiClass::scanNetworks() {
+int8_t WiFiClass::scanNetworks(bool async) {
     cyw43_wifi_scan_options_t scan_options;
     memset(&scan_options, 0, sizeof(scan_options));
     _scan.clear();
@@ -378,11 +412,27 @@ int8_t WiFiClass::scanNetworks() {
     if (err) {
         return 0;
     }
-    uint32_t now = millis();
-    while (cyw43_wifi_scan_active(&cyw43_state) && (millis() - now < 10000)) {
-        delay(10);
+    if (!async) {
+        uint32_t now = millis();
+        while (cyw43_wifi_scan_active(&cyw43_state) && (millis() - now < 10000)) {
+            delay(10);
+        }
+        return _scan.size();
+    } else {
+        return -1;
     }
-    return _scan.size();
+}
+
+int8_t WiFiClass::scanComplete() {
+    if (cyw43_wifi_scan_active(&cyw43_state)) {
+        return -1;
+    } else {
+        return _scan.size();
+    }
+}
+
+void WiFiClass::scanDelete() {
+    _scan.clear();
 }
 
 /*

libraries/WiFi/src/WiFiClass.h

@@ -35,7 +35,7 @@
 
 typedef void(*FeedHostProcessorWatchdogFuncPointer)();
 
-typedef enum { WIFI_STA, WIFI_AP, WIFI_OFF } _wifiModeESP; // For ESP8266 compatibility
+typedef enum { WIFI_OFF = 0, WIFI_STA = 1, WIFI_AP = 2, WIFI_AP_STA = 3 } WiFiMode_t; // For ESP8266 compatibility
 
 class WiFiClass {
 public:
@@ -46,7 +46,18 @@ public:
     */
     static const char* firmwareVersion();
 
-    void mode(_wifiModeESP m); // For ESP8266 compatibility
+    void mode(WiFiMode_t m); // For ESP8266 compatibility
+
+    WiFiMode_t getMode() {
+        if (_wifiHWInitted) {
+            if (_apMode) {
+                return WiFiMode_t::WIFI_AP;
+            } else {
+                return WiFiMode_t::WIFI_STA;
+            }
+        }
+        return WiFiMode_t::WIFI_OFF;
+    };
 
     /*  Start WiFi connection for OPEN networks
 
@@ -138,7 +149,7 @@ public:
     }
 
     String softAPSSID() {
-        return String(SSID());
+        return SSID();
     }
 
 
@@ -205,7 +216,7 @@ public:
 
         return: one value of wl_status_t enum
     */
-    int disconnect(void);
+    int disconnect(bool wifi_off = false);
 
     void end(void);
 
@@ -249,7 +260,7 @@ public:
 
         return: ssid string
     */
-    const char* SSID();
+    const String &SSID();
 
     /*
         Return the current BSSID associated with the network.
@@ -267,6 +278,10 @@ public:
     */
     int32_t RSSI();
 
+
+    /* Return the current network channel */
+    int channel();
+
     /*
         Return the Encryption Type associated with the network
 
@@ -277,9 +292,23 @@ public:
     /*
         Start scan WiFi networks available
 
+        param async: whether to perform asynchronous scan
+
         return: Number of discovered networks
     */
-    int8_t scanNetworks();
+    int8_t scanNetworks(bool async = false);
+
+    /*
+        Return number of scanned WiFi networks
+
+        return: Number of discovered networks
+    */
+    int8_t scanComplete();
+
+    /*
+        Delete scan results
+    */
+    void scanDelete();
 
     /*
         Return the SSID discovered during the network scan.
@@ -353,8 +382,8 @@ public:
 
 private:
     int _timeout = 10000;
-    const char * _ssid = nullptr;
-    const char * _password = nullptr;
+    String _ssid;
+    String _password;
     bool _wifiHWInitted = false;
     bool _apMode = false;
 
@@ -367,7 +396,7 @@ private:
 
     // ESP compat
     bool _calledESP = false; // Should we behave like the ESP8266 for connect?
-    _wifiModeESP _modeESP = WIFI_STA;
+    WiFiMode_t _modeESP = WIFI_STA;
 };
 
 extern WiFiClass WiFi;

libraries/Wire/src/Wire.cpp

@@ -140,23 +140,52 @@ void TwoWire::begin(uint8_t addr) {
     _running = true;
 }
 
+// See: https://github.com/earlephilhower/arduino-pico/issues/979#issuecomment-1328237128
+#pragma GCC push_options
+#pragma GCC optimize ("O0")
 void TwoWire::onIRQ() {
-    if (_i2c->hw->intr_stat & (1 << 12)) {
-        if (_onReceiveCallback && _buffLen) {
-            _onReceiveCallback(_buffLen);
-        }
-        _buffLen = 0;
-        _buffOff = 0;
-        _slaveStartDet = false;
-        _i2c->hw->clr_restart_det;
+    // Make a local copy of the IRQ status up front.  If it changes while we're
+    // running the IRQ callback will fire again after returning.  Avoids potential
+    // race conditions
+    uint32_t irqstat = _i2c->hw->intr_stat;
+    if (irqstat == 0) {
+        return;
     }
-    if (_i2c->hw->intr_stat & (1 << 10)) {
-        _buffLen = 0;
-        _buffOff = 0;
+
+    // First, pull off any data available
+    if (irqstat & (1 << 2)) {
+        // RX_FULL
+        if (_buffLen < (int)sizeof(_buff)) {
+            _buff[_buffLen++] = _i2c->hw->data_cmd & 0xff;
+        } else {
+            _i2c->hw->data_cmd;
+        }
+    }
+    // RD_REQ
+    if (irqstat & (1 << 5)) {
+        if (_onRequestCallback) {
+            _onRequestCallback();
+        }
+        _i2c->hw->clr_rd_req;
+    }
+    // TX_ABRT
+    if (irqstat & (1 << 6)) {
+        _i2c->hw->clr_tx_abrt;
+    }
+    // START_DET
+    if (irqstat & (1 << 10)) {
         _slaveStartDet = true;
         _i2c->hw->clr_start_det;
     }
-    if (_i2c->hw->intr_stat & (1 << 9)) {
+    // RESTART_DET
+    if (irqstat & (1 << 12)) {
+        if (_onReceiveCallback && _buffLen) {
+            _onReceiveCallback(_buffLen);
+        }
+        _i2c->hw->clr_restart_det;
+    }
+    // STOP_DET
+    if (irqstat & (1 << 9)) {
         if (_onReceiveCallback && _buffLen) {
             _onReceiveCallback(_buffLen);
         }
@@ -165,26 +194,8 @@ void TwoWire::onIRQ() {
         _slaveStartDet = false;
         _i2c->hw->clr_stop_det;
     }
-    if (_i2c->hw->intr_stat & (1 << 6)) {
-        // TX_ABRT
-        _i2c->hw->clr_tx_abrt;
-    }
-    if (_i2c->hw->intr_stat & (1 << 5)) {
-        // RD_REQ
-        if (_onRequestCallback) {
-            _onRequestCallback();
-        }
-        _i2c->hw->clr_rd_req;
-    }
-    if (_i2c->hw->intr_stat & (1 << 2)) {
-        // RX_FULL
-        if (_slaveStartDet && (_buffLen < (int)sizeof(_buff))) {
-            _buff[_buffLen++] = _i2c->hw->data_cmd & 0xff;
-        } else {
-            _i2c->hw->data_cmd;
-        }
-    }
 }
+#pragma GCC pop_options
 
 void TwoWire::end() {
     if (!_running) {

package.json

@@ -1,6 +1,6 @@
 {
   "name": "framework-arduinopico",
-  "version": "1.20602.0",
+  "version": "1.20604.0",
   "description": "Arduino Wiring-based Framework (RPi Pico RP2040)",
   "keywords": [
     "framework",

package/package_pico_index.template.json

@@ -26,6 +26,9 @@
                   {
                      "name": "Adafruit Feather RP2040"
                   },
+                  {
+                     "name": "Adafruit Feather RP2040 SCORPIO"
+                  },
                   {
                      "name": "Adafruit ItsyBitsy RP2040"
                   },
@@ -56,6 +59,9 @@
                   {
                      "name": "Cytron Maker Pi RP2040"
                   },
+                  {
+                     "name": "DatanoiseTV PicoADK"
+                  },
                   {
                      "name": "Degz Mizu"
                   },
@@ -122,6 +128,24 @@
                   {
                      "name": "Seeed XIAO RP2040"
                   },
+                  {
+                     "name": "Waveshare RP2040 Zero"
+                  },
+                  {
+                     "name": "Waveshare RP2040 One"
+                  },
+                  {
+                     "name": "Waveshare RP2040 Plus 4MB"
+                  },
+                  {
+                     "name": "Waveshare RP2040 Plus 16MB"
+                  },
+                  {
+                     "name": "Waveshare RP2040 LCD 0.96"
+                  },
+                  {
+                     "name": "Waveshare RP2040 LCD 1.28"
+                  },
                   {
                      "name": "WIZnet W5100S-EVB-Pico"
                   },

platform.txt

@@ -20,7 +20,7 @@
 # https://github.com/arduino/Arduino/wiki/Arduino-IDE-1.5---3rd-party-Hardware-specification
 
 name=Raspberry Pi RP2040 Boards
-version=2.6.2
+version=2.6.4
 
 runtime.tools.pqt-gcc.path={runtime.platform.path}/system/arm-none-eabi
 runtime.tools.pqt-python3.path={runtime.platform.path}/system/python3

tools/json/adafruit_feather_scorpio.json

@@ -0,0 +1,54 @@
+{
+  "build": {
+    "arduino": {
+      "earlephilhower": {
+        "boot2_source": "boot2_w25q080_2_padded_checksum.S",
+        "usb_vid": "0x239A",
+        "usb_pid": "0x8121"
+      }
+    },
+    "core": "earlephilhower",
+    "cpu": "cortex-m0plus",
+    "extra_flags": "-D ARDUINO_ADAFRUIT_FEATHER_RP2040_SCORPIO -DARDUINO_ARCH_RP2040 -DUSBD_MAX_POWER_MA=250",
+    "f_cpu": "133000000L",
+    "hwids": [
+      [
+        "0x2E8A",
+        "0x00C0"
+      ],
+      [
+        "0x239A",
+        "0x8121"
+      ]
+    ],
+    "mcu": "rp2040",
+    "variant": "adafruit_feather_scorpio"
+  },
+  "debug": {
+    "jlink_device": "RP2040_M0_0",
+    "openocd_target": "rp2040.cfg",
+    "svd_path": "rp2040.svd"
+  },
+  "frameworks": [
+    "arduino"
+  ],
+  "name": "Feather RP2040 SCORPIO",
+  "upload": {
+    "maximum_ram_size": 270336,
+    "maximum_size": 8388608,
+    "require_upload_port": true,
+    "native_usb": true,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": false,
+    "protocol": "picotool",
+    "protocols": [
+      "cmsis-dap",
+      "jlink",
+      "raspberrypi-swd",
+      "picotool",
+      "picoprobe"
+    ]
+  },
+  "url": "https://www.raspberrypi.org/products/raspberry-pi-pico/",
+  "vendor": "Adafruit"
+}

tools/json/arduino_nano_connect.json

@@ -4,7 +4,7 @@
       "earlephilhower": {
         "boot2_source": "boot2_w25q080_2_padded_checksum.S",
         "usb_vid": "0x2341",
-        "usb_pid": "0x0058"
+        "usb_pid": "0x005E"
       }
     },
     "core": "earlephilhower",
@@ -18,7 +18,7 @@
       ],
       [
         "0x2341",
-        "0x0058"
+        "0x005E"
       ]
     ],
     "mcu": "rp2040",

tools/json/datanoisetv_picoadk.json

@@ -0,0 +1,54 @@
+{
+  "build": {
+    "arduino": {
+      "earlephilhower": {
+        "boot2_source": "boot2_w25q080_2_padded_checksum.S",
+        "usb_vid": "0x2E8A",
+        "usb_pid": "0x000A"
+      }
+    },
+    "core": "earlephilhower",
+    "cpu": "cortex-m0plus",
+    "extra_flags": "-D ARDUINO_DATANOISETV_PICOADK -DARDUINO_ARCH_RP2040 -DUSBD_MAX_POWER_MA=250",
+    "f_cpu": "133000000L",
+    "hwids": [
+      [
+        "0x2E8A",
+        "0x00C0"
+      ],
+      [
+        "0x2E8A",
+        "0x000A"
+      ]
+    ],
+    "mcu": "rp2040",
+    "variant": "datanoisetv_picoadk"
+  },
+  "debug": {
+    "jlink_device": "RP2040_M0_0",
+    "openocd_target": "rp2040.cfg",
+    "svd_path": "rp2040.svd"
+  },
+  "frameworks": [
+    "arduino"
+  ],
+  "name": "PicoADK",
+  "upload": {
+    "maximum_ram_size": 270336,
+    "maximum_size": 2097152,
+    "require_upload_port": true,
+    "native_usb": true,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": false,
+    "protocol": "picotool",
+    "protocols": [
+      "cmsis-dap",
+      "jlink",
+      "raspberrypi-swd",
+      "picotool",
+      "picoprobe"
+    ]
+  },
+  "url": "https://www.raspberrypi.org/products/raspberry-pi-pico/",
+  "vendor": "DatanoiseTV"
+}

tools/json/flyboard2040_core.json

@@ -2,7 +2,7 @@
   "build": {
     "arduino": {
       "earlephilhower": {
-        "boot2_source": "boot2_generic_03h_4_padded_checksum.S",
+        "boot2_source": "boot2_w25q080_2_padded_checksum.S",
         "usb_vid": "0x2E8A",
         "usb_pid": "0x008A"
       }

tools/json/waveshare_rp2040_zero.json

@@ -0,0 +1,54 @@
+{
+  "build": {
+    "arduino": {
+      "earlephilhower": {
+        "boot2_source": "boot2_w25q16jvxq_4_padded_checksum.S",
+        "usb_vid": "0x2E8A",
+        "usb_pid": "0x0003"
+      }
+    },
+    "core": "earlephilhower",
+    "cpu": "cortex-m0plus",
+    "extra_flags": "-D ARDUINO_WAVESHARE_RP2040_ZERO -DARDUINO_ARCH_RP2040 -DUSBD_MAX_POWER_MA=500",
+    "f_cpu": "133000000L",
+    "hwids": [
+      [
+        "0x2E8A",
+        "0x00C0"
+      ],
+      [
+        "0x2E8A",
+        "0x0003"
+      ]
+    ],
+    "mcu": "rp2040",
+    "variant": "waveshare_rp2040_zero"
+  },
+  "debug": {
+    "jlink_device": "RP2040_M0_0",
+    "openocd_target": "rp2040.cfg",
+    "svd_path": "rp2040.svd"
+  },
+  "frameworks": [
+    "arduino"
+  ],
+  "name": "RP2040 Zero",
+  "upload": {
+    "maximum_ram_size": 270336,
+    "maximum_size": 2097152,
+    "require_upload_port": true,
+    "native_usb": true,
+    "use_1200bps_touch": true,
+    "wait_for_upload_port": false,
+    "protocol": "picotool",
+    "protocols": [
+      "cmsis-dap",
+      "jlink",
+      "raspberrypi-swd",
+      "picotool",
+      "picoprobe"
+    ]
+  },
+  "url": "https://www.raspberrypi.org/products/raspberry-pi-pico/",
+  "vendor": "Waveshare"
+}

tools/makeboards.py

@@ -70,7 +70,7 @@ def BuildBoot(name):
             ("IS25LP080 QSPI /2", "boot2_is25lp080_2_padded_checksum"), ("IS25LP080 QSPI /4", "boot2_is25lp080_4_padded_checksum"),
             ("W25Q080 QSPI /2", "boot2_w25q080_2_padded_checksum"), ("W25Q080 QSPI /4", "boot2_w25q080_4_padded_checksum"),
             ("W25X10CL QSPI /2", "boot2_w25x10cl_2_padded_checksum"), ("W25X10CL QSPI /4", "boot2_w25x10cl_4_padded_checksum"),
-            ("W25Q64JV QSPI /4", "boot2_w25q64jv_4_padded_checksum") ]:
+            ("W25Q64JV QSPI /4", "boot2_w25q64jv_4_padded_checksum"), ("W25Q16JVxQ QSPI /4", "boot2_w25q16jvxq_4_padded_checksum") ]:
         print("%s.menu.boot2.%s=%s" % (name, l[1], l[0]))
         print("%s.menu.boot2.%s.build.boot2=%s" % (name, l[1], l[1]))
 
@@ -110,15 +110,24 @@ def BuildHeader(name, vendor_name, product_name, vidtouse, pidtouse, vid, pid, p
     print("# %s" % (prettyname))
     print("# -----------------------------------")
     print("%s.name=%s" % (name, prettyname))
-    usb = 0;
-    for kb in [ "0", "0x8000" ]:
-        for ms in [ "0", "0x4000" ]:
-            for jy in [ "0", "0x0100" ]:
-                thispid = int(pidtouse, 16) | int(kb, 16) | int(ms, 16) | int(jy, 16)
-                print("%s.vid.%d=%s" % (name, usb, vidtouse))
-                print("%s.pid.%d=0x%04x" % (name, usb, thispid))
-                usb = usb + 1
-    print("%s.build.usbpid=-DSERIALUSB_PID=%s" % (name, pid))
+    usb = 0
+    if type(pidtouse) == list:
+        for tp in pid:
+            print("%s.vid.%d=%s" % (name, usb, vidtouse))
+            print("%s.pid.%d=0x%04x" % (name, usb, int(tp, 16)))
+            usb = usb + 1
+    else:
+        for kb in [ "0", "0x8000" ]:
+            for ms in [ "0", "0x4000" ]:
+                for jy in [ "0", "0x0100" ]:
+                    thispid = int(pidtouse, 16) | int(kb, 16) | int(ms, 16) | int(jy, 16)
+                    print("%s.vid.%d=%s" % (name, usb, vidtouse))
+                    print("%s.pid.%d=0x%04x" % (name, usb, thispid))
+                    usb = usb + 1
+    if type(pid) == list:
+        print("%s.build.usbpid=-DSERIALUSB_PID=%s" % (name, pid[0]))
+    else:
+        print("%s.build.usbpid=-DSERIALUSB_PID=%s" % (name, pid))
     print("%s.build.usbpwr=-DUSBD_MAX_POWER_MA=%s" % (name, pwr))
     print("%s.build.board=%s" % (name, boarddefine))
     print("%s.build.mcu=cortex-m0plus" % (name))
@@ -141,7 +150,10 @@ def BuildHeader(name, vendor_name, product_name, vidtouse, pidtouse, vid, pid, p
     print("%s.build.debugscript=%s" % (name, dbg))
     print("%s.build.boot2=%s" % (name, boot2))
     print("%s.build.vid=%s" % (name, vid))
-    print("%s.build.pid=%s" % (name, pid))
+    if type(pid) == list:
+        print("%s.build.pid=%s" % (name, pid[0]))
+    else:
+        print("%s.build.pid=%s" % (name, pid))
     print('%s.build.usb_manufacturer="%s"' % (name, vendor_name))
     print('%s.build.usb_product="%s"' % (name, product_name))
     if extra != None:
@@ -205,10 +217,9 @@ def MakeBoard(name, vendor_name, product_name, vid, pid, pwr, boarddefine, flash
         BuildExceptions(n)
         BuildDebugPort(n)
         BuildDebugLevel(n)
-        if a == "picodebug":
-            BuildWithoutUSBStack(n)
-        else:
+        if a != "picodebug":
             BuildUSBStack(n)
+        BuildWithoutUSBStack(n)
         if name == "rpipicow":
             BuildCountry(n)
         BuildIPStack(n)
@@ -221,6 +232,8 @@ def MakeBoard(name, vendor_name, product_name, vid, pid, pwr, boarddefine, flash
     pkgjson['packages'][0]['platforms'][0]['boards'].append(thisbrd)
 
 def MakeBoardJSON(name, vendor_name, product_name, vid, pid, pwr, boarddefine, flashsizemb, boot2, extra):
+    if type(pid) == list:
+        pid = pid[0]
     if extra != None:
         m_extra = ' '
         for m_item in extra:
@@ -313,6 +326,7 @@ MakeBoard("rpipicow", "Raspberry Pi", "Pico W", "0x2e8a", "0xf00a", 250, "RASPBE
 
 # Adafruit
 MakeBoard("adafruit_feather", "Adafruit", "Feather RP2040", "0x239a", "0x80f1", 250, "ADAFRUIT_FEATHER_RP2040", 8, "boot2_w25x10cl_4_padded_checksum")
+MakeBoard("adafruit_feather_scorpio", "Adafruit", "Feather RP2040 SCORPIO", "0x239a", "0x8121", 250, "ADAFRUIT_FEATHER_RP2040_SCORPIO", 8, "boot2_w25q080_2_padded_checksum")
 MakeBoard("adafruit_itsybitsy", "Adafruit", "ItsyBitsy RP2040", "0x239a", "0x80fd", 250, "ADAFRUIT_ITSYBITSY_RP2040", 8, "boot2_w25q080_2_padded_checksum")
 MakeBoard("adafruit_qtpy", "Adafruit", "QT Py RP2040", "0x239a", "0x80f7", 250, "ADAFRUIT_QTPY_RP2040", 8, "boot2_w25q080_2_padded_checksum")
 MakeBoard("adafruit_stemmafriend", "Adafruit", "STEMMA Friend RP2040", "0x239a", "0x80e3", 250, "ADAFRUIT_STEMMAFRIEND_RP2040", 8, "boot2_w25q080_2_padded_checksum")
@@ -321,7 +335,7 @@ MakeBoard("adafruit_macropad2040", "Adafruit", "MacroPad RP2040", "0x239a", "0x8
 MakeBoard("adafruit_kb2040", "Adafruit", "KB2040", "0x239a", "0x8105", 250, "ADAFRUIT_KB2040_RP2040", 8, "boot2_w25q080_2_padded_checksum")
 
 # Arduino
-MakeBoard("arduino_nano_connect", "Arduino", "Nano RP2040 Connect", "0x2341", "0x0058", 250, "NANO_RP2040_CONNECT", 16, "boot2_w25q080_2_padded_checksum")
+MakeBoard("arduino_nano_connect", "Arduino", "Nano RP2040 Connect", "0x2341", ["0x005e", "0x805e", "0x015e", "0x025e"] , 250, "NANO_RP2040_CONNECT", 16, "boot2_w25q080_2_padded_checksum")
 
 # BridgeTek
 MakeBoard("bridgetek_idm2040-7a", "BridgeTek", "IDM2040-7A", "0x2e8a", "0x1041", 250, "BRIDGETEK_IDM2040-7A", 8, "boot2_w25q080_2_padded_checksum", ["FT8XX_TYPE=BT817", "DISPLAY_RES=WVGA", "PLATFORM_RP2040"])
@@ -330,11 +344,14 @@ MakeBoard("bridgetek_idm2040-7a", "BridgeTek", "IDM2040-7A", "0x2e8a", "0x1041",
 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")
 
+# DatanoiseTV
+MakeBoard("datanoisetv_picoadk", "DatanoiseTV", "PicoADK", "0x2e8a", "0x000a", 250, "DATANOISETV_PICOADK", 2, "boot2_w25q080_2_padded_checksum")
+
 # Degz
 MakeBoard("degz_mizu", "Degz", "Mizu", "0x2e8a", "0x000a", 250, "DEGZ_MIZU", 8, "boot2_generic_03h_4_padded_checksum")
 
 # DeRuiLab
-MakeBoard("flyboard2040_core", "DeRuiLab", "FlyBoard2040Core", "0x2e8a", "0x008a", 500, "FLYBOARD2040_CORE", 4, "boot2_generic_03h_4_padded_checksum")
+MakeBoard("flyboard2040_core", "DeRuiLab", "FlyBoard2040Core", "0x2e8a", "0x008a", 500, "FLYBOARD2040_CORE", 4, "boot2_w25q080_2_padded_checksum")
 
 # DFRobot
 MakeBoard("dfrobot_beetle_rp2040", "DFRobot", "Beetle RP2040", "0x3343", "0x4253", 250, "DFROBOT_BEETLE_RP2040", 2, "boot2_w25q080_2_padded_checksum")
@@ -376,6 +393,13 @@ MakeBoard("upesy_rp2040_devkit", "uPesy", "RP2040 DevKit", "0x2e8a", "0x1007", 2
 # Seeed
 MakeBoard("seeed_xiao_rp2040", "Seeed", "XIAO RP2040", "0x2e8a", "0x000a", 250, "SEEED_XIAO_RP2040", 2, "boot2_w25q080_2_padded_checksum")
 
+# Waveshare
+MakeBoard("waveshare_rp2040_zero", "Waveshare", "RP2040 Zero", "0x2e8a", "0x0003", 500, "WAVESHARE_RP2040_ZERO", 2, "boot2_w25q16jvxq_4_padded_checksum")
+MakeBoard("waveshare_rp2040_one", "Waveshare", "RP2040 One", "0x2e8a", "0x103a", 500, "WAVESHARE_RP2040_ONE", 4, "boot2_w25q16jvxq_4_padded_checksum")
+MakeBoard("waveshare_rp2040_plus_4mb", "Waveshare", "RP2040 Plus 4MB", "0x2e8a", "0x1020", 500, "WAVESHARE_RP2040_PLUS", 4, "boot2_w25q080_2_padded_checksum")
+MakeBoard("waveshare_rp2040_plus_16mb", "Waveshare", "RP2040 Plus 16MB", "0x2e8a", "0x1020", 500, "WAVESHARE_RP2040_PLUS", 16, "boot2_w25q080_2_padded_checksum")
+MakeBoard("waveshare_rp2040_lcd_0_96", "Waveshare", "RP2040 LCD 0.96", "0x2e8a", "0x1021", 500, "WAVESHARE_RP2040_LCD_0_96", 2, "boot2_w25q16jvxq_4_padded_checksum")
+MakeBoard("waveshare_rp2040_lcd_1_28", "Waveshare", "RP2040 LCD 1.28", "0x2e8a", "0x1039", 500, "WAVESHARE_RP2040_LCD_1_28", 2, "boot2_w25q16jvxq_4_padded_checksum")
 # WIZnet
 MakeBoard("wiznet_5100s_evb_pico", "WIZnet", "W5100S-EVB-Pico", "0x2e8a", "0x1027", 250, "WIZNET_5100S_EVB_PICO", 2, "boot2_w25q080_2_padded_checksum")
 MakeBoard("wiznet_wizfi360_evb_pico", "WIZnet", "WizFi360-EVB-Pico", "0x2e8a", "0x1028", 250, "WIZNET_WIZFI360_EVB_PICO", 2, "boot2_w25q080_2_padded_checksum")

variants/adafruit_feather_scorpio/pins_arduino.h

@@ -0,0 +1,42 @@
+#pragma once
+
+// Pin definitions taken from:
+//    https://learn.adafruit.com/assets/100337
+
+// LEDs
+#define PIN_LED        (13u)
+
+// NeoPixel
+#define PIN_NEOPIXEL   (4u)
+
+// 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  (8u)
+#define PIN_SPI0_MOSI  (15u)
+#define PIN_SPI0_SCK   (14u)
+#define PIN_SPI0_SS    (13u)
+
+// Not pinned out
+#define PIN_SPI1_MISO  (31u)
+#define PIN_SPI1_MOSI  (31u)
+#define PIN_SPI1_SCK   (31u)
+#define PIN_SPI1_SS    (31u)
+
+// Wire
+#define PIN_WIRE0_SDA  (2u)
+#define PIN_WIRE0_SCL  (3u)
+#define PIN_WIRE1_SDA  (31u)
+#define PIN_WIRE1_SCL  (31u)
+
+#define SERIAL_HOWMANY (2u)
+#define SPI_HOWMANY    (1u)
+#define WIRE_HOWMANY   (1u)
+
+#include "../generic/common.h"

variants/datanoisetv_picoadk/pins_arduino.h

@@ -0,0 +1,51 @@
+#pragma once
+
+// DatanoiseTV PicoADK+ - Audio Development Kit
+// Pin definitions taken from:
+// https://github.com/DatanoiseTV/PicoDSP-Hardware
+
+// LEDs
+#define PIN_LED        (15u)
+
+// Debug LEDs near the USB connector
+#define PIN_LED0       (2u)
+#define PIN_LED1       (3u)
+#define PIN_LED2       (4u)
+#define PIN_LED3       (5u)
+
+// Serial
+#define PIN_SERIAL1_TX (0u)
+#define PIN_SERIAL1_RX (1u)
+
+#define PIN_SERIAL2_TX (8u)
+#define PIN_SERIAL2_RX (9u)
+
+// SPI0
+#define PIN_SPI0_MISO  (16u)
+#define PIN_SPI0_MOSI  (19u)
+#define PIN_SPI0_SCK   (18u)
+#define PIN_SPI0_SS    (17u)
+
+// SPI1
+#define PIN_SPI1_MISO  (12u)
+#define PIN_SPI1_MOSI  (11u)
+#define PIN_SPI1_SCK   (10u)
+#define PIN_SPI1_SS    (13u)
+
+// Wire
+#define PIN_WIRE0_SDA  (8u)
+#define PIN_WIRE0_SCL  (9u)
+
+#define PIN_WIRE1_SDA  (6u)
+#define PIN_WIRE1_SCL  (7u)
+
+// I2S
+#define PIN_I2S_BCLK   (17u)
+#define PIN_I2S_LRCLK  (18u)
+#define PIN_I2S_DOUT   (16u)
+
+#define SERIAL_HOWMANY (3u)
+#define SPI_HOWMANY    (2u)
+#define WIRE_HOWMANY   (2u)
+
+#include "../generic/common.h"

variants/flyboard2040_core/pins_arduino.h

@@ -27,8 +27,8 @@
 #define PIN_SPI1_SS    (13u)
 
 // Wire
-#define PIN_WIRE0_SDA  (6u)
-#define PIN_WIRE0_SCL  (7u)
+#define PIN_WIRE0_SDA  (16u)
+#define PIN_WIRE0_SCL  (17u)
 
 #define PIN_WIRE1_SDA  (14u)
 #define PIN_WIRE1_SCL  (15u)

variants/waveshare_rp2040_lcd_0_96/pins_arduino.h

@@ -0,0 +1,78 @@
+#pragma once
+
+// Waveshare RP2040 lcd 0.96
+// https://www.waveshare.com/wiki/RP2040-LCD-0.96
+// https://www.waveshare.com/w/upload/0/01/RP2040-LCD-0.96.pdf
+// https://www.waveshare.com/img/devkit/RP2040-LCD-0.96/RP2040-LCD-0.96-details-7.jpg
+//
+
+/*
+                  Pin#                Pin#
+                       ___(_____)___
+           GPIO0   1  |   *USB C*   | 40   VBUS
+           GPIO1   2  |             | 39   VSYS
+             GND   3  |             | 38   GND
+           GPIO2   4  |             | 37   3V3_EN
+           GPIO3   5  |             | 36   3V3(OUT)
+           GPIO4   6  |             | 35   ADC_VREF
+           GPIO5   7  |             | 34   GPIO28
+             GND   8  |             | 33   GND
+           GPIO6   9  |             | 32   GPIO27
+           GPIO7  10  |             | 31   GPIO26
+           GPIO8  11  |             | 30   RUN
+           GPIO9  12  |             | 29   GPIO22
+             GND  13  |             | 28   GND
+          GPIO10  14  |             | 27   GPIO21
+          GPIO11  15  |             | 25   GPIO20
+          GPIO12  16  |             | 25   GPIO19
+          GPIO13  17  |             | 24   GPIO18
+             GND  18  |             | 23   GND
+          GPIO14  19  |             | 22   GPIO17
+          GPIO15  20  |____|_|_|____| 21   GPIO16
+                           S G S
+                           W N W
+                           C D D
+                           L   I
+                           K   N
+*/
+
+// LCD  
+#define LDC_SPI         (1u)    
+#define PIN_LCD_DC      (8u)    
+#define PIN_LCD_CS      (9u)    
+#define PIN_LCD_SCLK    (10u)   
+#define PIN_LCD_MOSI    (11u)   
+#define PIN_LCD_RST     (12u)   
+#define PIN_LCD_BL      (25u)   
+  
+// Serial 
+#define PIN_SERIAL1_TX  (0u)    
+#define PIN_SERIAL1_RX  (1u)    
+  
+#define PIN_SERIAL2_TX  (8u)    
+#define PIN_SERIAL2_RX  (9u)    
+  
+// SPI  
+#define PIN_SPI0_MISO   (16u)   
+#define PIN_SPI0_MOSI   (19u)   
+#define PIN_SPI0_SCK    (18u)   
+#define PIN_SPI0_SS     (17u)   
+  
+#define PIN_SPI1_MISO   (12u)   
+#define PIN_SPI1_MOSI   (15u)   
+#define PIN_SPI1_SCK    (14u)   
+#define PIN_SPI1_SS     (13u)   
+  
+// Wire 
+#define PIN_WIRE0_SDA   (8u)  
+#define PIN_WIRE0_SCL   (9u)  
+  
+#define PIN_WIRE1_SDA   (6u)  
+#define PIN_WIRE1_SCL   (7u)  
+  
+#define SERIAL_HOWMANY  (3u)  
+#define SPI_HOWMANY     (2u)  
+#define WIRE_HOWMANY    (2u)  
+  
+#include "../generic/common.h"  
+  

variants/waveshare_rp2040_lcd_1_28/pins_arduino.h

@@ -0,0 +1,70 @@
+#pragma once        
+
+// Waveshare RP2040 LCD 1.28
+// https://www.waveshare.com/wiki/RP2040-LCD-1.28
+// https://www.waveshare.com/w/upload/6/60/RP2040-LCD-1.28-sch.pdf
+// https://www.waveshare.com/img/devkit/RP2040-LCD-1.28/RP2040-LCD-1.28-details-3.jpg
+//
+
+/*
+                 H1                                H2
+            Pin#    Pin#                      Pin#    Pin#
+    GPIO8   1       2    GPIO0        GND     1       2   GND   
+    GPIO9   3       4    GPIO1        VSYS    3       4   ADC_AVDD  
+    GPIO10  5       6    GPIO2        GPIO23  5       6   BOOT
+    GPIO11  7       8    GPIO3        GPIO22  7       8   RUM
+    GPIO12  9       10   GPIO4        GPIO21  9       10  GPIO29
+    GPIO13  11      12   GPIO5        GPIO20  11      12  GPIO28
+    GPIO14  13      14   GPIO6        GPIO19  13      14  GPIO27
+    GPIO15  15      16   GPIO7        GPIO18  15      16  GPIO26
+    SWCLK   17      18   VSYS         GPIO17  17      18  GPIO25
+    SWDIP   19      20   GND          GPIO16  19      20  GPIO24
+*/
+
+// LCD                              
+#define LDC_SPI         (1u)        
+#define PIN_LCD_DC      (8u)        
+#define PIN_LCD_CS      (9u)        
+#define PIN_LCD_SCLK    (10u)       
+#define PIN_LCD_MOSI    (11u)       
+#define PIN_LCD_RST     (12u)       
+#define PIN_LCD_BL      (25u)       
+// BAT_ADC                          
+#define PIN_BAT_ADC      (25u)      
+// IMU                              
+#define PIN_IMU_SDA      (6u)        
+#define PIN_IMU_SCL      (7u)       
+#define PIN_IMU_INT1     (23u)      
+#define PIN_IMU_INT2     (24u)      
+
+// Serial                           
+#define PIN_SERIAL1_TX  (0u)        
+#define PIN_SERIAL1_RX  (1u)        
+
+#define PIN_SERIAL2_TX  (8u)        
+#define PIN_SERIAL2_RX  (9u)        
+
+// SPI                              
+#define PIN_SPI0_MISO   (16u)       
+#define PIN_SPI0_MOSI   (19u)       
+#define PIN_SPI0_SCK    (18u)       
+#define PIN_SPI0_SS     (17u)       
+
+#define PIN_SPI1_MISO   (12u)       
+#define PIN_SPI1_MOSI   (15u)       
+#define PIN_SPI1_SCK    (14u)       
+#define PIN_SPI1_SS     (13u)       
+
+// Wire                             
+#define PIN_WIRE0_SDA   (8u)        
+#define PIN_WIRE0_SCL   (9u)        
+
+#define PIN_WIRE1_SDA   (6u)        
+#define PIN_WIRE1_SCL   (7u)        
+
+#define SERIAL_HOWMANY  (3u)        
+#define SPI_HOWMANY     (2u)        
+#define WIRE_HOWMANY    (2u)        
+
+#include "../generic/common.h"      
+

variants/waveshare_rp2040_one/pins_arduino.h

@@ -0,0 +1,65 @@
+#pragma once
+
+// Waveshare RP2040 One
+// https://www.waveshare.com/wiki/RP2040-One
+// https://www.waveshare.com/w/upload/9/90/RP2040-One.pdf
+// https://www.waveshare.com/img/devkit/RP2040-One/RP2040-One-details-9.jpg
+
+/*
+                Pin#              Pin#
+                        _____
+                       |USB A|
+                    ___|     |___
+              5v 1 |             | 23 GPIO0
+             GND 2 |             | 22 GPIO1
+            3.3v 3 |             | 21 GPIO2
+          GPIO29 4 |             | 20 GPIO3
+          GPIO28 5 |             | 19 GPIO4
+          GPIO27 6 |             | 18 GPIO5
+          GPIO26 7 |             | 17 GPIO6
+          GPIO15 8 |             | 16 GPIO7
+          GPIO14 9 |__|_|_|_|_|__| 15 GPIO8
+                      1 1 1 1 1
+                      0 1 2 3 4
+
+                    Pin10 = GPIO13
+                    Pin11 = GPIO12
+                    Pin12 = GPIO11
+                    Pin13 = GPIO10
+                    Pin14 = GPIO9
+*/
+
+// NeoPixel                                     
+#define PIN_NEOPIXEL   (16u)        
+//#define LED_BUILTIN PIN_NEOPIXEL  
+
+// Serial1                          
+#define PIN_SERIAL1_TX (0u)         
+#define PIN_SERIAL1_RX (1u)         
+
+#define PIN_SERIAL2_TX (8u)         
+#define PIN_SERIAL2_RX (9u)         
+
+// SPI                              
+#define PIN_SPI0_MISO  (4u)         
+#define PIN_SPI0_MOSI  (3u)         
+#define PIN_SPI0_SCK   (2u)         
+#define PIN_SPI0_SS    (5u)         
+
+#define PIN_SPI1_MISO  (12u)        
+#define PIN_SPI1_MOSI  (15u)        
+#define PIN_SPI1_SCK   (14u)        
+#define PIN_SPI1_SS    (13u)        
+
+// Wire                             
+#define PIN_WIRE0_SDA  (4u)         
+#define PIN_WIRE0_SCL  (5u)         
+
+#define PIN_WIRE1_SDA  (26u)        
+#define PIN_WIRE1_SCL  (27u)        
+
+#define SERIAL_HOWMANY (2u)         
+#define SPI_HOWMANY    (2u)         
+#define WIRE_HOWMANY   (2u)         
+
+#include "../generic/common.h"      

variants/waveshare_rp2040_plus_16mb/pins_arduino.h

@@ -0,0 +1,72 @@
+#pragma once
+
+// Waveshare RP2040 Plus
+// https://www.waveshare.com/wiki/RP2040-Plus
+// https://www.waveshare.com/w/upload/d/d1/RP2040_Plus.pdf
+// https://www.waveshare.com/img/devkit/RP2040-Plus/RP2040-Plus-details-7.jpg
+//
+
+/*
+                  Pin#                Pin#
+                       ___(_____)___
+           GPIO0   1  |   *USB C*   | 40   VBUS
+           GPIO1   2  |             | 39   VSYS
+             GND   3  |             | 38   GND
+           GPIO2   4  |             | 37   3V3_EN
+           GPIO3   5  |             | 36   3V3(OUT)
+           GPIO4   6  |             | 35   ADC_VREF
+           GPIO5   7  |             | 34   GPIO28
+             GND   8  |             | 33   GND
+           GPIO6   9  |             | 32   GPIO27
+           GPIO7  10  |             | 31   GPIO26
+           GPIO8  11  |             | 30   RUN
+           GPIO9  12  |             | 29   GPIO22
+             GND  13  |             | 28   GND
+          GPIO10  14  |             | 27   GPIO21
+          GPIO11  15  |             | 25   GPIO20
+          GPIO12  16  |             | 25   GPIO19
+          GPIO13  17  |             | 24   GPIO18
+             GND  18  |             | 23   GND
+          GPIO14  19  |             | 22   GPIO17
+          GPIO15  20  |____|_|_|____| 21   GPIO16
+                           S G S
+                           W N W
+                           C D D
+                           L   I
+                           K   N
+*/
+
+// LEDs
+#define PIN_LED        (25u) 
+ 
+// Serial 
+#define PIN_SERIAL1_TX (0u) 
+#define PIN_SERIAL1_RX (1u) 
+ 
+#define PIN_SERIAL2_TX (8u) 
+#define PIN_SERIAL2_RX (9u) 
+ 
+// SPI 
+#define PIN_SPI0_MISO  (16u) 
+#define PIN_SPI0_MOSI  (19u) 
+#define PIN_SPI0_SCK   (18u) 
+#define PIN_SPI0_SS    (17u) 
+ 
+#define PIN_SPI1_MISO  (12u) 
+#define PIN_SPI1_MOSI  (15u) 
+#define PIN_SPI1_SCK   (14u) 
+#define PIN_SPI1_SS    (13u) 
+ 
+// Wire 
+#define PIN_WIRE0_SDA  (8u) 
+#define PIN_WIRE0_SCL  (9u) 
+ 
+#define PIN_WIRE1_SDA  (6u) 
+#define PIN_WIRE1_SCL  (7u) 
+ 
+#define SERIAL_HOWMANY (3u) 
+#define SPI_HOWMANY    (2u) 
+#define WIRE_HOWMANY   (2u) 
+
+
+#include "../generic/common.h"

variants/waveshare_rp2040_plus_4mb/pins_arduino.h

@@ -0,0 +1,72 @@
+#pragma once
+
+// Waveshare RP2040 Plus
+// https://www.waveshare.com/wiki/RP2040-Plus
+// https://www.waveshare.com/w/upload/d/d1/RP2040_Plus.pdf
+// https://www.waveshare.com/img/devkit/RP2040-Plus/RP2040-Plus-details-7.jpg
+//
+
+/*
+                  Pin#                Pin#
+                       ___(_____)___
+           GPIO0   1  |   *USB C*   | 40   VBUS
+           GPIO1   2  |             | 39   VSYS
+             GND   3  |             | 38   GND
+           GPIO2   4  |             | 37   3V3_EN
+           GPIO3   5  |             | 36   3V3(OUT)
+           GPIO4   6  |             | 35   ADC_VREF
+           GPIO5   7  |             | 34   GPIO28
+             GND   8  |             | 33   GND
+           GPIO6   9  |             | 32   GPIO27
+           GPIO7  10  |             | 31   GPIO26
+           GPIO8  11  |             | 30   RUN
+           GPIO9  12  |             | 29   GPIO22
+             GND  13  |             | 28   GND
+          GPIO10  14  |             | 27   GPIO21
+          GPIO11  15  |             | 25   GPIO20
+          GPIO12  16  |             | 25   GPIO19
+          GPIO13  17  |             | 24   GPIO18
+             GND  18  |             | 23   GND
+          GPIO14  19  |             | 22   GPIO17
+          GPIO15  20  |____|_|_|____| 21   GPIO16
+                           S G S
+                           W N W
+                           C D D
+                           L   I
+                           K   N
+*/
+
+// LEDs
+#define PIN_LED        (25u) 
+ 
+// Serial 
+#define PIN_SERIAL1_TX (0u) 
+#define PIN_SERIAL1_RX (1u) 
+ 
+#define PIN_SERIAL2_TX (8u) 
+#define PIN_SERIAL2_RX (9u) 
+ 
+// SPI 
+#define PIN_SPI0_MISO  (16u) 
+#define PIN_SPI0_MOSI  (19u) 
+#define PIN_SPI0_SCK   (18u) 
+#define PIN_SPI0_SS    (17u) 
+ 
+#define PIN_SPI1_MISO  (12u) 
+#define PIN_SPI1_MOSI  (15u) 
+#define PIN_SPI1_SCK   (14u) 
+#define PIN_SPI1_SS    (13u) 
+ 
+// Wire 
+#define PIN_WIRE0_SDA  (8u) 
+#define PIN_WIRE0_SCL  (9u) 
+ 
+#define PIN_WIRE1_SDA  (6u) 
+#define PIN_WIRE1_SCL  (7u) 
+ 
+#define SERIAL_HOWMANY (3u) 
+#define SPI_HOWMANY    (2u) 
+#define WIRE_HOWMANY   (2u) 
+
+
+#include "../generic/common.h"

variants/waveshare_rp2040_zero/pins_arduino.h

@@ -0,0 +1,66 @@
+#pragma once
+
+// Waveshare RP2040 Zero
+// https://www.waveshare.com/wiki/RP2040-Zero
+// https://www.waveshare.com/w/upload/4/4c/RP2040_Zero.pdf
+// https://www.waveshare.com/img/devkit/RP2040-Zero/RP2040-Zero-details-7.jpg
+//
+// https://www.mischianti.org/2022/09/19/waveshare-rp2040-zero-high-resolution-pinout-and-specs/
+// https://www.mischianti.org/wp-content/uploads/2022/09/Waveshare-rp2040-zero-Raspberry-Pi-Pico-alternative-pinout.jpg
+
+/*
+                Pin#              Pin#
+                    ___(_____)___
+              5v 1 |   *USB C*   | 23 GPIO0
+             GND 2 |             | 22 GPIO1
+            3.3v 3 |             | 21 GPIO2
+          GPIO29 4 |             | 20 GPIO3
+          GPIO28 5 |             | 19 GPIO4
+          GPIO27 6 |             | 18 GPIO5
+          GPIO26 7 |             | 17 GPIO6
+          GPIO15 8 |             | 16 GPIO7
+          GPIO14 9 |__|_|_|_|_|__| 15 GPIO8
+                      1 1 1 1 1
+                      0 1 2 3 4
+
+                    Pin10 = GPIO13
+                    Pin11 = GPIO12
+                    Pin12 = GPIO11
+                    Pin13 = GPIO10
+                    Pin14 = GPIO9
+*/
+
+// NeoPixel
+#define PIN_NEOPIXEL   (16u)
+//#define LED_BUILTIN PIN_NEOPIXEL
+
+// Serial1
+#define PIN_SERIAL1_TX (0u)
+#define PIN_SERIAL1_RX (1u)
+
+#define PIN_SERIAL2_TX (8u)
+#define PIN_SERIAL2_RX (9u)
+
+// SPI
+#define PIN_SPI0_MISO  (4u)
+#define PIN_SPI0_MOSI  (3u)
+#define PIN_SPI0_SCK   (2u)
+#define PIN_SPI0_SS    (5u)
+
+#define PIN_SPI1_MISO  (12u)
+#define PIN_SPI1_MOSI  (15u)
+#define PIN_SPI1_SCK   (14u)
+#define PIN_SPI1_SS    (13u)
+
+// Wire
+#define PIN_WIRE0_SDA  (4u)
+#define PIN_WIRE0_SCL  (5u)
+
+#define PIN_WIRE1_SDA  (26u)
+#define PIN_WIRE1_SCL  (27u)
+  
+#define SERIAL_HOWMANY (2u)
+#define SPI_HOWMANY    (2u)
+#define WIRE_HOWMANY   (2u)
+
+#include "../generic/common.h"