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boards/weact-f401cc: add WeAct-f401cc
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17
boards/weact-f401cc/Kconfig
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boards/weact-f401cc/Kconfig
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# Copyright (c) 2020 Benjamin Valentin
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#
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# This file is subject to the terms and conditions of the GNU Lesser
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# General Public License v2.1. See the file LICENSE in the top level
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# directory for more details.
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#
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config BOARD
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default "weact-f401cc" if BOARD_WEACT_F401CC
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config BOARD_WEACT_F401CC
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bool
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default y
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select BOARD_COMMON_WEACT_F41XCX
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select CPU_MODEL_STM32F401CC
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source "$(RIOTBOARD)/common/weact-f4x1cx/Kconfig"
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5
boards/weact-f401cc/Makefile
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boards/weact-f401cc/Makefile
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MODULE = board
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DIRS = $(RIOTBOARD)/common/weact-f4x1cx
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include $(RIOTBASE)/Makefile.base
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3
boards/weact-f401cc/Makefile.dep
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boards/weact-f401cc/Makefile.dep
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USEMODULE += boards_common_weact-f4x1cx
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include $(RIOTBOARD)/common/weact-f4x1cx/Makefile.dep
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3
boards/weact-f401cc/Makefile.features
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boards/weact-f401cc/Makefile.features
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CPU_MODEL = stm32f401cc
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include $(RIOTBOARD)/common/weact-f4x1cx/Makefile.features
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1
boards/weact-f401cc/Makefile.include
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boards/weact-f401cc/Makefile.include
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include $(RIOTBOARD)/common/weact-f4x1cx/Makefile.include
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70
boards/weact-f401cc/doc.txt
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boards/weact-f401cc/doc.txt
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/**
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@defgroup boards_weact-f401cc WeAct-F401CC board
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@ingroup boards
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@brief Support for the WeAct-F401CC Board
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## Overview
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WeAct-F401CC is a board with the same form-factor as the blue/blackpill,
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but with an STM32F401CCU6 and a USB-C connector.
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It is available on sites like AliExpress for less than 3€.
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## Hardware
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![WeAct-F401CC](https://user-images.githubusercontent.com/1301112/69389644-eb5fb080-0ccc-11ea-8002-67d3db851250.png)
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### MCU
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| MCU | STM32F401CCU6 |
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|:---------------- |:--------------------- |
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| Family | ARM Cortex-M4F |
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| Vendor | ST Microelectronics |
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| RAM | 64KiB |
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| Flash | 256KiB |
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| Frequency | up to 84MHz |
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| FPU | yes |
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| Timers | 8 (2x watchdog, 1 SysTick, 6x 16-bit) |
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| ADCs | 1x 12-bit |
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| UARTs | 3 |
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| SPIs | 4 |
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| I2Cs | 3 |
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| RTC | 1 |
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| Vcc | 2.0V - 3.6V |
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| Datasheet | [Datasheet](https://www.st.com/resource/en/datasheet/stm32f401cc.pdf) |
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| Reference Manual | [Reference Manual](https://www.st.com/content/ccc/resource/technical/document/reference_manual/9b/53/39/1c/f7/01/4a/79/DM00119316.pdf/files/DM00119316.pdf/jcr:content/translations/en.DM00119316.pdf) |
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## Flashing the device
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The device comes with a bootloader that allows flashing via `dfu-util`.
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If RIOT is already running on the board, you can upload your RIOT-firmware by typing
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```
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make BOARD=weact-f401cc flash
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```
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RIOT will make sure to enter the bootloader automatically.
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If RIOT crashed or you have the plain board with the stock firmware, you have to enter
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the bootloader manually.
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There are two buttons on the board labeled `BOOT0` and `NRST`.
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- Hold down `BOOT0`
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- Shortly press `NRST` to reset the CPU while keeping `BOOT0` held down
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The board will now show up as `0483:df11` - `STM32 BOOTLOADER` and will accept
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firmware using the DFU protocol.
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*Note:* You need to have write permissions to the device.
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On Linux you could add yourself to the `plugdev` group and store the following as `/etc/udev/rules.d/99-weact-f401cc.rules`:
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```
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SUBSYSTEMS=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="df11", GROUP="plugdev", MODE="660"
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```
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## UART
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stdio is provided through USB CDC ACM so the board can be used
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without any extra hardware, save for a USB-C cable.
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*/
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@ -99,6 +99,7 @@ BOARD_INSUFFICIENT_MEMORY := \
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teensy31 \
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telosb \
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waspmote-pro \
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weact-f401cc \
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yarm \
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yunjia-nrf51822 \
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z1 \
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