2020-03-31 21:27:55 -04:00
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SAMD21 and SAMD51
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|
==================
|
2016-08-19 23:24:04 -04:00
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2020-03-31 21:27:55 -04:00
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This port supports many development boards that utilize SAMD21 and SAMD51 chips. See
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https://circuitpython.org/downloads for all supported boards.
|
2018-12-02 19:07:19 -05:00
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2017-07-13 19:05:24 -04:00
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Pinout
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|
------
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All of the boards share the same core pin functionality but call pins by
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different names. The table below matches the pin order in
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`the datasheet <http://ww1.microchip.com/downloads/en/DeviceDoc/40001882A.pdf>`_
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and omits the pins only available on the largest package because all supported
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boards use smaller version.
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2020-02-18 23:14:27 -05:00
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===================== =================== =================== =============== =========================== ====================== ================ ================== ========================= ================ ================================ ====================== ================
|
2019-01-07 18:26:38 -05:00
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`microcontroller.pin` `board`
|
2020-02-18 23:14:27 -05:00
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|
--------------------- -----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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Datasheet arduino_mkrzero arduino_nano_33_iot arduino_zero circuitplayground_express feather_m0_adalogger feather_m0_basic feather_m0_express gemma_m0 metro_m0_express sparkfun_samd21_mini sparkfun_samd21_dev trinket_m0
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===================== =================== =================== =============== =========================== ====================== ================ ================== ========================= ================ ================================ ====================== ================
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PA00 ``ACCELEROMETER_SDA`` ``APA102_MOSI`` ``APA102_MOSI``
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PA01 ``ACCELEROMETER_SCL`` ``APA102_SCK`` ``APA102_SCK``
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PA02 ``A0`` ``A0`` ``A0`` ``A0`` / ``SPEAKER`` ``A0`` ``A0`` ``A0`` ``A0`` / ``D1`` ``A0`` ``A0`` ``A0`` ``D1`` / ``A0``
|
2019-01-07 18:26:38 -05:00
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PA03
|
2020-02-18 23:14:27 -05:00
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PB08 ``L`` ``A4`` / ``SDA`` ``A1`` ``A7`` / ``TX`` ``A1`` ``A1`` ``A1`` ``A1`` ``A1`` ``A1``
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PB09 ``BATTERY`` ``A5`` / ``SCL`` ``A2`` ``A6`` / ``RX`` ``A2`` ``A2`` ``A2`` ``A2`` ``A2`` ``A2``
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PA04 ``A3`` ``D6`` ``A3`` ``IR_PROXIMITY`` ``A3`` ``A3`` ``A3`` ``D0`` / ``TX`` / ``SDA`` ``A3`` ``A3`` ``A3``
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PA05 ``A4`` ``D5`` ``A4`` ``A1`` ``A4`` ``A4`` ``A4`` ``D2`` / ``RX`` / ``SCL`` ``A4`` ``A4``
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PA06 ``A5`` ``D7`` ``D8`` ``A2`` ``D8`` / ``GREEN_LED`` ``NEOPIXEL`` ``D8`` ``D8`` ``D8`` ``D4`` / ``TX``
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PA07 ``A6`` ``D4`` ``D9`` ``A3`` ``D9`` ``D9`` ``D9`` ``D9`` ``D9`` ``D9`` ``D3`` / ``RX``
|
2020-02-20 19:34:52 -05:00
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PA08 ``D11`` / ``SDA`` ``ESP_RESET`` ``D4`` ``MICROPHONE_DO`` ``D4`` / ``SD_CS`` ``D4`` ``D4`` ``D4`` ``D0`` / ``SDA``
|
2020-02-18 23:14:27 -05:00
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PA09 ``D12`` / ``SCL`` ``A6`` ``D3`` ``TEMPERATURE`` / ``A9`` ``D3`` ``D3`` ``D3`` ``D2`` / ``SCL``
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PA10 ``D2`` ``A3`` ``D1`` / ``TX`` ``MICROPHONE_SCK`` ``D1`` / ``TX`` ``D1`` / ``TX`` ``D1`` / ``TX`` ``D1`` / ``TX`` ``D1`` / ``TX`` ``D1`` / ``TX`` ``D13``
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PA11 ``D3`` ``A2`` ``D0`` / ``RX`` ``LIGHT`` / ``A8`` ``D0`` / ``RX`` ``D0`` / ``RX`` ``D0`` / ``RX`` ``D0`` / ``RX`` ``D0`` / ``RX`` ``D0`` / ``RX``
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PB10 ``D4`` ``D2`` ``MOSI`` ``MOSI`` ``MOSI`` ``MOSI`` ``MOSI`` ``MOSI``
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PB11 ``D5`` ``D3`` ``SCK`` ``SCK`` ``SCK`` ``SCK`` ``SCK`` ``SCK``
|
2020-02-20 19:34:52 -05:00
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PA12 ``SD_MOSI`` ``ESP_MOSI`` ``MISO`` ``REMOTEIN`` / ``IR_RX`` ``MISO`` ``MISO`` ``MISO`` ``MISO`` ``MISO``
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PA13 ``SD_SCK`` ``ESP_MISO`` ``ACCELEROMETER_INTERRUPT`` ``FLASH_CS`` ``D38``
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PA14 ``SD_CS`` ``ESP_CS`` ``D2`` ``BUTTON_B`` / ``D5`` ``D2`` ``D2`` ``D2``
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PA15 ``SD_MISO`` ``ESP_SCK`` ``D5`` ``SLIDE_SWITCH`` / ``D7`` ``D5`` ``D5`` ``D5`` ``D5`` ``D5`` ``D5``
|
2020-02-18 23:14:27 -05:00
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PA16 ``D8`` / ``MOSI`` ``D11`` / ``MOSI`` ``D11`` ``MISO`` ``D11`` ``D11`` ``D11`` ``D11`` ``D11`` / ``MOSI`` ``D11``
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PA17 ``D9`` / ``SCK`` ``D13`` / ``SCK`` ``D13`` ``D13`` ``D13`` / ``RED_LED`` ``D13`` ``D13`` ``D13`` ``D13`` / ``SCK`` / ``BLUE_LED`` ``D13`` / ``BLUE_LED``
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PA18 ``D8`` ``D10`` ``D10`` ``D10`` ``D10`` ``D10`` ``D10`` ``D10``
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PA19 ``D10`` / ``MISO`` ``D12`` / ``MISO`` ``D12`` ``D12`` ``D12`` ``D12`` ``D12`` ``D12`` / ``MISO`` ``D12``
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PA20 ``D6`` ``D9`` ``D6`` ``MOSI`` ``D6`` ``D6`` ``D6`` ``D6`` ``D6`` ``D6``
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PA21 ``D7`` ``D10`` ``D7`` ``SCK`` ``D7`` / ``SD_CD`` ``D7`` ``D7`` ``D7``
|
2020-02-21 22:30:18 -05:00
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PA22 ``D0`` ``ESP_TX`` ``SDA`` ``SDA`` ``SDA`` ``SDA`` ``SDA`` ``SDA`` ``SDA``
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PA23 ``D1`` ``ESP_RX`` ``SCL`` ``REMOTEOUT`` / ``IR_TX`` ``SCL`` ``SCL`` ``SCL`` ``L`` / ``D13`` ``SCL`` ``SCL`` ``SCL``
|
2019-01-07 18:26:38 -05:00
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PA24
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PA25
|
2020-02-18 23:14:27 -05:00
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PB22 ``D14`` / ``TX`` ``D1`` / ``TX`` ``FLASH_CS`` ``D30`` / ``TX1``
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PB23 ``D13`` / ``RX`` ``D0`` / ``RX`` ``NEOPIXEL`` / ``D8`` ``D31`` / ``RX1``
|
2020-02-20 19:34:52 -05:00
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PA27 ``SD_CD`` ``ESP_GPIO0`` ``GREEN_LED`` ``GREEN_LED``
|
2020-02-21 22:30:18 -05:00
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PA28 ``ESP_BUSY`` ``BUTTON_A`` / ``D4``
|
2019-01-07 18:26:38 -05:00
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PA29
|
2020-02-18 23:14:27 -05:00
|
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|
PA30 ``SPEAKER_ENABLE`` ``NEOPIXEL``
|
2019-01-07 18:26:38 -05:00
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|
PA31
|
2020-02-18 23:14:27 -05:00
|
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PB02 ``A1`` ``A1`` ``A5`` ``A5`` / ``SDA`` ``A5`` ``A5`` ``A5`` ``A5`` ``A5``
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|
PB03 ``A2`` ``A7`` ``A4`` / ``SCL`` ``YELLOW_LED`` ``YELLOW_LED``
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|
|
===================== =================== =================== =============== =========================== ====================== ================ ================== ========================= ================ ================================ ====================== ================
|
2017-07-13 19:05:24 -04:00
|
|
|
|
|
|
|
|
Here is a table about which pins can do what in CircuitPython terms. However,
|
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|
|
|
just because something is listed, doesn't mean it will always work. Existing use
|
|
|
|
|
of other pins and functionality will impact your ability to use a pin for your
|
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|
|
desired purpose. For example, only certain combinations of SPI pins will work
|
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|
|
because they use shared hardware internally.
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|
|
|
|
|
|
|
===================== ======== ========= ========= ======= ======= ======= ========= ========= ======= ========== ========== ========= ========= ========= ============ ======= ======= =========
|
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|
|
`microcontroller.pin` `analogio` `audioio` `bitbangio` `busio` `digitalio` `pulseio` `touchio`
|
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|
|
--------------------- ------------------- --------- ------------------------- -------------------------------------------------------------------------------------- ------------ ---------------- ---------
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|
Datasheet AnalogIn AnalogOut AudioOut I2C OneWire SPI I2C - SDA I2C - SCL OneWire SPI - MISO SPI - MOSI SPI - SCK UART - RX UART - TX DigitalInOut PulseIn PWMOut TouchIn
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|
===================== ======== ========= ========= ======= ======= ======= ========= ========= ======= ========== ========== ========= ========= ========= ============ ======= ======= =========
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PA00 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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PA01 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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PA02 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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PA03 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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PB08 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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PB09 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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PA04 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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|
PA05 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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|
PA06 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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|
PA07 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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|
PA08 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA09 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA10 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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|
PA11 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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|
PB10 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
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|
PB11 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA12 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA13 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA14 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA15 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA16 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA17 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA18 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA19 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA20 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA21 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA22 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PA23 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
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|
PA24
|
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|
PA25
|
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|
PB22 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
|
PB23 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
|
|
|
|
PA27 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
|
PA28 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
|
PA29 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
|
|
PA30 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
|
PA31 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
PB02 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
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|
|
|
PB03 **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes** **Yes**
|
|
|
|
|
===================== ======== ========= ========= ======= ======= ======= ========= ========= ======= ========== ========== ========= ========= ========= ============ ======= ======= =========
|
2016-08-19 23:24:04 -04:00
|
|
|
|
2017-11-27 00:10:01 -05:00
|
|
|
Setup
|
|
|
|
|
-----
|
2018-03-19 22:55:49 -04:00
|
|
|
|
|
|
|
|
An ARM compiler is required for the build, along with the associated binary
|
2019-07-04 14:14:50 -04:00
|
|
|
utilities. They can be installed as follows:
|
2017-11-27 00:10:01 -05:00
|
|
|
|
2019-07-04 14:14:50 -04:00
|
|
|
- Ubuntu
|
2017-11-27 00:10:01 -05:00
|
|
|
|
2019-07-04 14:14:50 -04:00
|
|
|
.. code-block:: shell
|
2017-11-27 00:10:01 -05:00
|
|
|
|
2019-07-04 14:14:50 -04:00
|
|
|
sudo add-apt-repository ppa:team-gcc-arm-embedded/ppa
|
|
|
|
|
sudo apt-get install gcc-arm-embedded
|
|
|
|
|
|
|
|
|
|
- Arch Linux
|
|
|
|
|
|
|
|
|
|
.. code-block:: shell
|
|
|
|
|
|
2020-03-31 21:27:55 -04:00
|
|
|
sudo pacman -S arm-none-eabi-gcc arm-none-eabi-newlib
|
2018-03-19 22:55:49 -04:00
|
|
|
|
|
|
|
|
For other systems, the `GNU Arm Embedded Toolchain <https://developer.arm.com/open-source/gnu-toolchain/gnu-rm/downloads>`_
|
|
|
|
|
may be available in binary form.
|
|
|
|
|
|
|
|
|
|
The latest available package from team-gcc-arm-embedded is used to produce the
|
|
|
|
|
binaries shipped by AdaFruit. Other compiler versions, particularly older
|
|
|
|
|
ones, may not work properly. In particular, the ``gcc-arm-none-eabi`` package
|
|
|
|
|
in Debian Stretch is too old.
|
|
|
|
|
|
|
|
|
|
The compiler can be changed using the ``CROSS_COMPILE`` variable when invoking
|
|
|
|
|
``make``.
|
|
|
|
|
|
2017-01-05 19:20:46 -05:00
|
|
|
Building
|
|
|
|
|
--------
|
2016-08-19 23:24:04 -04:00
|
|
|
|
2018-03-30 18:16:36 -04:00
|
|
|
Before building the firmware for a given board, there are two additional steps.
|
|
|
|
|
These commands should be executed from the root directory of the repository
|
2018-03-30 18:44:16 -04:00
|
|
|
(``circuitpython/``).
|
2018-03-30 18:16:36 -04:00
|
|
|
|
|
|
|
|
1. There are various submodules that reside in different repositories. In order
|
2018-03-30 18:21:35 -04:00
|
|
|
to have these submodules locally, you must pull them into your clone, using:
|
2018-03-30 18:16:36 -04:00
|
|
|
|
|
|
|
|
.. code-block:: shell
|
|
|
|
|
|
|
|
|
|
git submodule update --init --recursive
|
|
|
|
|
|
|
|
|
|
2. The MicroPython cross-compiler must be built; it will be used to pre-compile
|
|
|
|
|
some of the built-in scripts to bytecode. The cross-compiler is built and
|
|
|
|
|
run on the host machine, using:
|
2018-03-19 22:56:32 -04:00
|
|
|
|
|
|
|
|
.. code-block:: shell
|
|
|
|
|
|
|
|
|
|
make -C mpy-cross
|
|
|
|
|
|
|
|
|
|
|
2018-03-30 18:44:16 -04:00
|
|
|
Build commands are run from the ``circuitpython/ports/atmel-samd`` directory.
|
2018-03-30 18:26:21 -04:00
|
|
|
|
2018-12-19 13:25:18 -05:00
|
|
|
To build for a given board you must specify it by setting ``BOARD``. For example:
|
2016-08-19 23:24:04 -04:00
|
|
|
|
2017-07-13 19:05:24 -04:00
|
|
|
.. code-block:: shell
|
|
|
|
|
|
2016-10-14 16:01:59 -04:00
|
|
|
make BOARD=feather_m0_basic
|
2016-08-23 19:47:53 -04:00
|
|
|
|
2018-02-21 11:14:46 -05:00
|
|
|
Board names are the directory names in the `boards <https://github.com/adafruit/circuitpython/tree/master/ports/atmel-samd/boards>`_ folder.
|
2016-08-23 19:47:53 -04:00
|
|
|
|
2017-01-05 19:20:46 -05:00
|
|
|
Deploying
|
|
|
|
|
---------
|
|
|
|
|
|
|
|
|
|
Arduino Bootloader
|
|
|
|
|
^^^^^^^^^^^^^^^^^^
|
2016-08-23 19:47:53 -04:00
|
|
|
|
2016-08-24 03:14:11 -04:00
|
|
|
If your board has an existing Arduino bootloader on it then you can use bossac
|
2016-10-03 12:57:06 -04:00
|
|
|
to flash MicroPython. First, activate the bootloader. On Adafruit Feathers you
|
|
|
|
|
can double click the reset button and the #13 will fade in and out. Finally,
|
|
|
|
|
run bossac:
|
2016-08-23 19:47:53 -04:00
|
|
|
|
2016-10-14 16:01:59 -04:00
|
|
|
tools/bossac_osx -e -w -v -b -R build-feather_m0_basic/firmware.bin
|
2016-08-23 19:47:53 -04:00
|
|
|
|
2017-01-05 19:20:46 -05:00
|
|
|
No Bootloader via GDB
|
|
|
|
|
^^^^^^^^^^^^^^^^^^^^^
|
|
|
|
|
|
2016-08-24 03:14:11 -04:00
|
|
|
This method works for loading MicroPython onto the Arduino Zero via the
|
|
|
|
|
programming port rather than the native USB port.
|
2016-08-23 19:47:53 -04:00
|
|
|
|
2016-08-24 03:14:11 -04:00
|
|
|
Note: These instructions are tested on Mac OSX and will vary for different
|
|
|
|
|
platforms.
|
2016-08-23 19:47:53 -04:00
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openocd -f ~/Library/Arduino15/packages/arduino/hardware/samd/1.6.6/variants/arduino_zero/openocd_scripts/arduino_zero.cfg
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|
2017-07-13 19:05:24 -04:00
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In another terminal from ``micropython/atmel-samd``:
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2016-08-23 19:47:53 -04:00
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arm-none-eabi-gdb build-arduino_zero/firmware.elf
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(gdb) tar ext :3333
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...
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(gdb) load
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...
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(gdb) monitor reset init
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...
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(gdb) continue
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|
2017-01-05 19:20:46 -05:00
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Connecting
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----------
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2016-10-14 15:13:29 -04:00
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2017-01-05 19:20:46 -05:00
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Serial
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^^^^^^
|
2016-10-14 15:13:29 -04:00
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|
2016-08-24 03:14:11 -04:00
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All boards are currently configured to work over USB rather than UART. To
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connect to it from OSX do something like this:
|
2016-08-23 19:47:53 -04:00
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screen /dev/tty.usbmodem142422 115200
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2016-08-24 03:14:11 -04:00
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You may not see a prompt immediately because it doesn't know you connected. To
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get one either hit enter to get `>>>` or do CTRL-B to get the full header.
|
2016-10-14 15:13:29 -04:00
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|
2017-01-05 19:20:46 -05:00
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Mass storage
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^^^^^^^^^^^^
|
2016-10-14 15:13:29 -04:00
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|
All boards will also show up as a mass storage device. Make sure to eject it
|
2017-07-13 19:05:24 -04:00
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|
before resetting or disconnecting the board.
|
2018-05-04 07:13:44 -04:00
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|
Port Specific modules
|
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|
---------------------
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|
.. toctree::
|
2019-01-09 17:12:43 -05:00
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|
bindings/samd/__init__
|
