Max/earlephilhower_arduino-pico
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  • 4.6.0 6fc3165d3a
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    Release 4.6.0 - GCC 14.3, Newlib 4.5, updated SDK, new boards Stable

    github-actions[bot] released this 2025-06-20 04:36:46 +03:00 | 16 commits to master since this release

    Overview

    Upgrade to the latest GCC 14.3 compiler and Newlib 4.5. Latest pico-sdk develop branch with important Pico2 floating point function fixes.

    If using git be sure to git update --init --recursive and to tools/get.py to get the new SDK-needed libraries and the toolchain.

    Toolchain, SDK, and libraries

    • Update to GCC 14.3, Newlib 4.5.0 (#2975)

    New and updated boards

    • Add BigTreeTech SKR-Pico (#2988)
    • Add Waveshare RP2350 Plus (#3000)
    • Add Waveshare RP2350 LCD 0.96 (#2997)
    • Add support for W6300-EVB-Pico and W6300-EVB-Pico2 boards (#2999)
    • Add SDIO PIN definitions for Adafruit Metro RP2040 (#2989)

    Platform.IO

    • Fix JLink device names for RP2350 in PIO boards (#3001)
    • Cleanly install PlatformIO platform from scratch (#2982)
    • Mark all boards as picosdk compatible in PlatformIO board definition (#2980)

    Networking, Bluetooth, and misc.

    • Clear any existing IP before sending a DHCP request (#2979)
    • Send DHCP request on ::begin even if lease exists (#2977)
    • Fix BSTstackLib service UUID reporting to client (#2968)
    • Verify ADCInput buffer sizes legal for 3 and 4 inputs (#2996)
    Downloads
  • 4.5.4 7dcfe4d483
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    Release 4.5.4 - Important ADCInput fix, misc other updates Stable

    github-actions[bot] released this 2025-05-22 18:19:51 +03:00 | 31 commits to master since this release

    Overview

    Minor update with an important ADCInput fix, IDE OTA interface chagnes, and general infrastructure updates.

    ADC

    • Fix ADCInput masking (#2937)

    OTA

    • Make Arduino IDE ask for OTA password (#2938)

    Infrastructure

    • Added 'TwoWire::setBufferSize()' to Wire library (#2962)
    • Add PSRAM option for Adafruit Metro RP2350 (#2961)
    • Panic on stack protector crash instead of exit (#2955)
    • Fixed generic PIN_LED and SPI0 Pin assignment on WIZnet W55RP20-EVB-Pico. (#2956)
    • Add PICO_RP2350 target platform definition to compile (#2939)
    Downloads
  • 4.5.3 47c2cd2b0b
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    Release 4.5.3 - SoftwareSerial and SPI fixes Stable

    github-actions[bot] released this 2025-05-02 18:59:52 +03:00 | 40 commits to master since this release

    Overview

    Important update if you're a SoftwareSerial or SerialPIO user for much improved reception performance. Otherwise, just minor bug fixes

    SoftwareSerial/SerialPIO

    • Optimize parity calculations in SerialPIO (#2932) (#2933)
    • Rewrite SerialPIO receive path, ensure proper edge (#2929)

    Peripherals

    • Fix RP2350B SPI RX pin list (#2931)
    • Fix rp2040.getCycleCount() from core1 (#2915)
    • Add pin definitions for I2C1 on Cytron IRIV (#2916)
    • Generate PWMAudio pacer frequencies for 176/276MHz (#2913)

    Miscellaneous

    • Add PIO.h header verification to CI (#2911)
    • Update LittleFS and Adafruit USB libraries (#2919)
    Downloads
  • 4.5.2 e8bd9daa82
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    Release 4.5.2 - New boards, fixes for specific variants Stable

    github-actions[bot] released this 2025-04-16 23:22:14 +03:00 | 50 commits to master since this release

    Overview

    Minor update focused on cleaning up some existing board definitions and examples with a couple new boards thrown in to the mix

    New Boards

    • Add Adafruit Fruit Jam and Feather RP2350 Adalogger (#2907)

    WiFi Tweaks

    • Add explicit using arduino::IPAddress to headers (#2894)
    • Add WiFi region for Pico2W (#2872)

    Updated Boards

    • Update W55RP20 example for proper CS pin (#2906)
    • Convert to SDK RP2350A/B determination (#2898) (#2910)
    Downloads
  • 4.5.1 49397a7f3d
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    Release 4.5.1 - Windows Python Fix, Bidirectional TDM Stable

    github-actions[bot] released this 2025-03-19 03:03:18 +03:00 | 59 commits to master since this release

    Overview

    Minor update. Under Windows, clean up dangling Python processes better. Miscellaneous new boards and quality of life fixes

    IDE/Windows

    • Redo UF2 discovery for Windows compatibility (#2853)

    I2S

    • Bidirectional TDM Support (#2843)

    Boards

    • Add Olimex Pico2XL and Pico2XXL (#2868)
    • Add <1MB FS options for multi-size boards (#2867)
    • Use flash size menu for Olimex boards (#2866)
    • Add Pimoroni Servo2040 (#2865)
    • Fix invalid overclock speeds 175 and 275 MHz (#2855)
    Downloads
  • 4.5.0 e60858c327
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    Release 4.5.0 - 200MHz Pico, SDK 2.1.1 Stable

    github-actions[bot] released this 2025-03-11 23:35:52 +03:00 | 68 commits to master since this release

    Overview

    Updates the core to the 2.1.1 Pico SDK release (plus a couple necessary fixes on the 2.1.2-develop branch) and bumps the RP2040 Pico default clock to the newly certified 200MHz. Other miscellaneous minor board-specific and library updates.

    SDK / Clocks

    • Update to SDK 2.1.2-develop (#2844)
    • Adjust the PSRAM clock when over/underclock F_SYS (#2824)

    Boards

    • Add SparkFun XRP Controller (#2847)
    • Define HSTX pins on Adafruit boards with HSTX or DVI connectors (#2825)
    • Add SparkFun XRP Controller (Beta) (#2823)
    • Support Makerbase MKSTHR36 and MKSTHR42 Boards (#2819)
    • Added WizNet W6100 to the AdvancedWebServer example (#2812)
    • Add SparkFun IoT RedBoard RP2350 (#2836)

    Miscellaneous

    • A2DP: scanAsyncDone & scanAsyncResults; fix write and availableForWrite (#2839)
    • Enable add'l UART_AUX pinouts for RP2350 (#2837)
    • Early out of (un)maskInterrupts() if no GPIO interrupts need to be masked (#2831)
    Downloads
  • 4.4.4 31786cdc24
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    Release 4.4.4 - Arduino API 1.5.1 update Stable

    github-actions[bot] released this 2025-02-18 23:55:03 +03:00 | 82 commits to master since this release

    Overview

    Update to the latest Arduino API release (1.5.1), which includes some String bug fixes among others. Should not affect user code.

    Arduino API

    • Move to Arduino API 10501 (#2797)

    New Boards, Fixes

    • Add new RP2350 Metro! (#2795)
    • Fix Wire/Wire1 definitions for Xaio RP2350 (#2811)
    • Correct Seeed XAIO RP2350 config (#2803)

    Wire/I2C

    • added I2C TwoWire::busIdle to be checked by writeReadAsync (#2798)
    • fixed: Wire::writeReadAsync not setting _dmaSendBufferLen, therefore allocating the DMA buffer anew on every call (#2796)
    Downloads
  • 4.4.3 5e2fbf324b
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    Release 4.4.3 - Bidirectional I2S, SoftwareSPI Stable

    github-actions[bot] released this 2025-02-05 01:34:53 +03:00 | 90 commits to master since this release

    Overview

    Minor update that adds a bidirectional I2S interface (input and output using a single BCLK/LRCLK) and a software-based SPI interface to allow SPI connections on any pin.

    Peripherals (I2S, SPI)

    • Deduplicate SPI and SoftwareSPI routines (#2779)
    • Add PIO-based SoftwareSPI enabling SPI on any pins (#2778)
    • Add buffer read to AudioBufferManager and I2S (#2777)
    • Bi-directional I2S support (#2775)

    Infrastructure

    • Document PSRAM and Boot2 better (#2792)
    • OTA Updater better error codes on OOS (#2793)
    • Fix I2C on Adafruit Feather RP2350 HSTX (#2784)
    • Don't set SDFAT_FILE_TYPE, default is OK (#2773)
    Downloads
  • 4.4.2 9480c2a55d
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    Release 4.4.2 - Bug fixes and SDIO support Stable

    github-actions[bot] released this 2025-01-21 21:15:08 +03:00 | 99 commits to master since this release

    Overview

    Multiple minor bug fixes across many subsystems. Adds SDIO (4-bit high speed) SD card support and moves to untouched SdFat upstream library. Speeds of up to 15MB/s with this mode have been shown, well above 1-bit SPI mode (but it does require a new physical adapter with all 4 DAT0...DAT3 pins). ExFAT support is now enabled as well, allowing for very large card access.

    SD/SDFS

    • Replace ESP8266SdFat w/SdFat 2.3.0, SDIO, ExFAT (#2764)

    Library updates

    • Update to LittleFS v2.10.1 (#2762)
    • Update to Adafruit TinyUSB 3.4.2 (#2761)

    New boards

    • Add SparkFun IoT Node LoRaWAN (#2745)

    Miscellaneous bug fixes

    • Change duty cycle of PIO Tone to 50% (#2770)
    • PIOProgram: Replace __pioHighGPIO with pio_get_gpio_base() (#2769)
    • Fix ADCInput clocks for multiple inputs (#2755)
    • Restore Bluetooth TLV on Pico2/RPiWiFi boards (#2753)
    • Correct return from NTP.waitSet() (#2736)
    • Remove unneeded SDK files from libpico/etc. (#2733)
    • Remove SDK C++ new/delete, duplicated objects (#2760)
    • A2DPSink: Remove stubs, fix volume and connect callbacks (#2757)
    Downloads
  • 4.4.1 5296241949
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    Release 4.4.1 - Minor refactoring and update Stable

    github-actions[bot] released this 2024-12-31 21:35:02 +03:00 | 113 commits to master since this release

    Overview

    Minor quality-of-life release for audio output, especially PWMAudio. Precalculating values turns a 65K soft-FPU operation into a linear search of 12 entries in 99.9% of the cases.

    I2S and PWMAudio and BluetoothAudio now share a common audio interface to simplify code like BackgroundAudio or ESP8266Audio.

    Audio-related

    • Allow setting PWMAudio frequency before begin (#2726)
    • Properly wrap AudioBufferManager block writes (#2725)
    • Add AudioOutputBase keyword
    • Precalculate common PWMAudio dividers, avoid noise (#2714)
    • Add real block write for AudioRequestBuffer (#2712)
    • Overclock to 153.6 MHz (instead of 147.6 MHz) for I²S 48 kHz sample rate (#2708)

    Infrastructure

    • Use the distributed ARM ar in libpico, not system (#2721)
    • Don't go through runtime initializers when there is no OTA command (#2697)
    • Fix issue with undefined LED_BUILTIN on Seeed Xiao RP2350 (#2704)
    Downloads