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circuitpython/ports/raspberrypi
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Jeff Epler cce8b2be07 raspberypi: Allow mpconfigboard to override additional items 
This allows more options to be overridden to 0 in an mpconfigboard.mk.

Improved:
 * FRAMEBUFFERIO, FULL_BUILD, BITOPS, PWMIO, RGBMATRIX, OTARYIO, PULSEIO, WATCHDOG

Still problematic (pull requests welcome):
 * RP2PIO & NEOPIXEL_WRITE, possibly only if a status neopixel is defined
 * BITBANGIO, possibly only if BUSIO is enabled
 * RTC

Incidentally, with RP2PIO & NEOPIXEL_WRITE, BITBANGIO, and RTC re-enabled I get
```
323956 bytes used, 720524 bytes free in flash firmware space out of 1044480 bytes (1020.0kB).
12072 bytes used, 250072 bytes free in ram for stack and heap out of 262144 bytes (256.0kB).
```

Closes #4515
 		2021-03-31 09:40:48 -05:00
..
bindings/rp2pio Merge branch 'main' into rp_dp_parallel 2021-03-15 20:00:13 -05:00
boards Improve Winbond naming and correct board settings 2021-03-23 09:06:48 -07:00
common-hal RP2040: Only bitbang 0-byte writes 2021-03-17 16:25:54 +00:00
peripherals run code formatting script 2021-03-15 19:27:36 +05:30
sdk@7a6660134a Calculate RP2040 SDA hold time 2021-03-29 14:40:13 -04:00
sdk_config/pico Add initial RP2040 support 2021-01-20 19:16:56 -08:00
supervisor Fix doc build and address feedback 2021-03-22 15:24:27 -07:00
.gitignore Add initial RP2040 support 2021-01-20 19:16:56 -08:00
Makefile Use GCC @file to shorten linker command length 2021-03-24 15:03:33 -07:00
README.rst Add initial RP2040 support 2021-01-20 19:16:56 -08:00
audio_dma.c run code formatting script 2021-03-15 19:27:36 +05:30
audio_dma.h run code formatting script 2021-03-15 19:27:36 +05:30
background.c run code formatting script 2021-03-15 19:27:36 +05:30
background.h Add initial RP2040 support 2021-01-20 19:16:56 -08:00
boot_stage2.ld Redo RP2040 flash settings 2021-03-18 16:55:42 -07:00
fatfs_port.c run code formatting script 2021-03-15 19:27:36 +05:30
gen_stage2.py Improve Winbond naming and correct board settings 2021-03-23 09:06:48 -07:00
link.ld Redo RP2040 flash settings 2021-03-18 16:55:42 -07:00
mpconfigport.h run code formatting script 2021-03-15 19:27:36 +05:30
mpconfigport.mk raspberypi: Allow mpconfigboard to override additional items 2021-03-31 09:40:48 -05:00
mphalport.c Add initial RP2040 support 2021-01-20 19:16:56 -08:00
mphalport.h run code formatting script 2021-03-15 19:27:36 +05:30
qstrdefsport.h Add initial RP2040 support 2021-01-20 19:16:56 -08:00
stage2.c.jinja Fix doc build and address feedback 2021-03-22 15:24:27 -07:00

README.rst 

RP2040
==================

This port supports many development boards that utilize RP2040 chips. See
https://circuitpython.org/downloads for all supported boards.


Building
--------

For build instructions see this guide: https://learn.adafruit.com/building-circuitpython/


Port Specific modules
---------------------

.. toctree::
    ../../shared-bindings/rp2pio/index