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67 lines
2.3 KiB
Plaintext
67 lines
2.3 KiB
Plaintext
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/**
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@defgroup boards_weact-f411ce WeAct-F411CE board
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@ingroup boards
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@brief Support for the WeAct-F411CE Board
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## Overview
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WeAct-F411CE is a board with the same form-factor as the blue/blackpill,
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but with an STM32F411CEU6 and a USB-C connector.
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It is available on sites like AliExpress for less than 4€.
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## Hardware
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### MCU
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| MCU | STM32F411CE |
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|:---------------- |:--------------------- |
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| Family | ARM Cortex-M4F |
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| Vendor | ST Microelectronics |
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| RAM | 128KiB |
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| Flash | 512KiB |
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| Frequency | up to 100MHz |
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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 | 5 |
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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/stm32f411ce.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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There are two buttons on the board labeled `BOOT0` and `NRST`.
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- Press and hold down `NRST` to reset the CPU
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- Press `BOOT0` while keeping `NRST` held down
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- Release `NRST`, afterwards release `BOOT0`
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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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You can upload your RIOT-firmware by typing
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```
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make BOARD=weact-f411ce flash
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```
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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-f411ce.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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