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boards/bluepill-stm32f030c8: add STM32F030C8 based bluepill board
This board is sold by several vendors on AliExpress, Amazon and ebay. It does not have name, but since it comes in the same form-factor and color as the Bluepill line of boards, I think it makes sense to use that name. Flashing is a bit cumbersome as I always had to press the reset button in time when OpenOCD tries to connect to the CPU. There is no dedicated reset pin exposed on the board.
This commit is contained in:
Benjamin Valentin
parent
837b55fc17
commit
1d95950ca1
23
boards/bluepill-stm32f030c8/Kconfig
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23
boards/bluepill-stm32f030c8/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 "bluepill-stm32f030c8" if BOARD_BLUEPILL_STM32F030C8
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config BOARD_BLUEPILL_STM32F030C8
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bool
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default y
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select CPU_MODEL_STM32F030C8
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# Put defined MCU peripherals here (in alphabetical order)
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select HAS_PERIPH_ADC
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select HAS_PERIPH_I2C
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select HAS_PERIPH_PWM
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select HAS_PERIPH_TIMER
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select HAS_PERIPH_UART
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select HAS_PERIPH_SPI
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select HAS_PERIPH_RTC
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3
boards/bluepill-stm32f030c8/Makefile
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3
boards/bluepill-stm32f030c8/Makefile
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MODULE = board
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include $(RIOTBASE)/Makefile.base
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3
boards/bluepill-stm32f030c8/Makefile.dep
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3
boards/bluepill-stm32f030c8/Makefile.dep
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ifneq (,$(filter saul_default,$(USEMODULE)))
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USEMODULE += saul_gpio
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endif
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11
boards/bluepill-stm32f030c8/Makefile.features
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11
boards/bluepill-stm32f030c8/Makefile.features
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CPU = stm32
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CPU_MODEL = stm32f030c8
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# Put defined MCU peripherals here (in alphabetical order)
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FEATURES_PROVIDED += periph_adc
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FEATURES_PROVIDED += periph_i2c
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FEATURES_PROVIDED += periph_pwm
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FEATURES_PROVIDED += periph_timer
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FEATURES_PROVIDED += periph_uart
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FEATURES_PROVIDED += periph_spi
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FEATURES_PROVIDED += periph_rtc
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4
boards/bluepill-stm32f030c8/Makefile.include
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4
boards/bluepill-stm32f030c8/Makefile.include
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INCLUDES += -I$(RIOTBOARD)/common/stm32/include
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# Setup of programmer and serial is shared between STM32 based boards
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include $(RIOTMAKE)/boards/stm32.inc.mk
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30
boards/bluepill-stm32f030c8/board.c
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30
boards/bluepill-stm32f030c8/board.c
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/*
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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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/**
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* @ingroup boards_bluepill-stm32f030c8
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* @{
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*
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* @file
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* @brief Board initialization code for the bluepill-stm32f030c8 board.
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*
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* @author Benjamin Valentin <benpicco@googlemail.com>
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*
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* @}
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*/
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#include "board.h"
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#include "cpu.h"
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#include "periph/gpio.h"
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void board_init(void)
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{
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cpu_init();
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gpio_init(LED0_PIN, GPIO_OUT);
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LED0_OFF;
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}
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65
boards/bluepill-stm32f030c8/doc.txt
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65
boards/bluepill-stm32f030c8/doc.txt
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/**
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@defgroup boards_bluepill-stm32f030c8 STM32F030C8 based Bluepill
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@ingroup boards
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@brief Support for the STM32F030C8 based Bluepill
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## Overview
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The STM32F030C8 based Bluepill is a very cheap breakout board for the STM32F030C8 MCU.
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## Hardware
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### MCU
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| MCU | STM32F030C8T6 |
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|:---------- |:--------------------- |
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| Family | ARM Cortex-M0 |
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| Vendor | ST Microelectronics |
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| RAM | 8 KiB |
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| Flash | 64 KiB |
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| Frequency | up to 48MHz |
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| FPU | no |
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| Timers | 8 (2x watchdog, 1 SysTick, 5x 16-bit) |
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| ADCs | 1x 12-bit |
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| UARTs | 2 |
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| SPIs | 2 |
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| I2Cs | 2 |
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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/en/microcontrollers-microprocessors/stm32f030f4.html) |
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| Reference Manual | [Reference Manual](https://www.st.com/resource/en/datasheet/stm32f030f4.pdf) |
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| Programming Manual | [Programming Manual](http://www.st.com/resource/en/programming_manual/dm00051352.pdf) |
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## Flashing the device
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The STM32F030C8 based Bluepill board does not include a programmer.
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You have to connect a separate ST-Link programmer to the (SW)DIO, (SW)CLK and GND
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pins on the board.
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If you want a serial terminal, you have to connect a separate USB-Serial adapter to
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the PA09 (TX) and PA10 (RX) pins on the board.
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The easiest way to program the board is to use OpenOCD. Once you have installed
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OpenOCD (look [here](https://github.com/RIOT-OS/RIOT/wiki/OpenOCD) for
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installation instructions), you can flash the board simply by typing
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```
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make BOARD=bluepill-stm32f030c8 flash
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```
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and debug via GDB by simply typing
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```
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make BOARD=bluepill-stm32f030c8 debug
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```
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## Known Issues
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### Flashing fails
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The board does not expose a pin for the reset signal but wires it only to the
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reset button.
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You can work around this by pressing the reset button when OpenOCD wants to connect
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to the Blue Pill, or keep it pressed until OpenOCD tries to connect.
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Hit the reset button again after flashing in order to boot the newly flashed image.
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*/
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61
boards/bluepill-stm32f030c8/include/board.h
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61
boards/bluepill-stm32f030c8/include/board.h
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/*
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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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/**
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* @ingroup boards_bluepill-stm32f030c8
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*
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* This board can be bought very cheaply (< 2€) on sites like eBay or
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* AliExpress.
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*
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* @brief Support for the STM32F030C8 based Bluepill
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* @{
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*
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* @file
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* @brief Pin definitions and board configuration options
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*
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* @author Benjamin Valentin <benpicco@googlemail.com>
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*/
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#ifndef BOARD_H
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#define BOARD_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name Xtimer configuration
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* @{
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*/
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#define XTIMER_WIDTH (16)
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/** @} */
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/**
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* @name LED pin definitions and handlers
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* @{
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*/
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#define LED0_PORT GPIOC
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#define LED0_PIN GPIO_PIN(PORT_C, 13)
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#define LED0_MASK (1 << 13)
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#define LED0_ON (LED0_PORT->BSRR = (LED0_MASK << 16))
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#define LED0_OFF (LED0_PORT->BSRR = (LED0_MASK << 0))
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#define LED0_TOGGLE (LED0_PORT->ODR ^= LED0_MASK)
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/** @} */
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/**
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* @brief Initialize board specific hardware, including clock, LEDs and std-IO
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*/
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void board_init(void);
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#ifdef __cplusplus
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}
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#endif
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#endif /* BOARD_H */
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/** @} */
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47
boards/bluepill-stm32f030c8/include/gpio_params.h
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47
boards/bluepill-stm32f030c8/include/gpio_params.h
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/*
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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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/**
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* @ingroup boards_bluepill-stm32f030c8
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* @{
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*
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* @file
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* @brief Board specific configuration of direct mapped GPIOs
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*
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* @author Benjamin Valentin <benpicco@googlemail.com>
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*/
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#ifndef GPIO_PARAMS_H
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#define GPIO_PARAMS_H
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#include "board.h"
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#include "saul/periph.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @brief GPIO pin configuration
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*/
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static const saul_gpio_params_t saul_gpio_params[] =
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{
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{
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.name = "LED",
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.pin = LED0_PIN,
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.mode = GPIO_OUT,
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.flags = SAUL_GPIO_INVERTED,
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},
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};
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#ifdef __cplusplus
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}
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#endif
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#endif /* GPIO_PARAMS_H */
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/** @} */
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153
boards/bluepill-stm32f030c8/include/periph_conf.h
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153
boards/bluepill-stm32f030c8/include/periph_conf.h
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/*
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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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/**
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* @ingroup boards_bluepill-stm32f030c8
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* @{
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*
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* @file
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* @brief Peripheral MCU configuration for the bluepill-stm32f030c8 board
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*
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* @author Alexandre Abadie <alexandre.abadie@inria.fr>
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* @author Benjamin Valentin <benpicco@googlemail.com>
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*/
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#ifndef PERIPH_CONF_H
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#define PERIPH_CONF_H
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/* This board provides a LSE */
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#ifndef CONFIG_BOARD_HAS_LSE
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#define CONFIG_BOARD_HAS_LSE 1
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#endif
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/* This board provides an HSE */
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#ifndef CONFIG_BOARD_HAS_HSE
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#define CONFIG_BOARD_HAS_HSE 1
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#endif
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#include "clk_conf.h"
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#include "cfg_i2c1_pb8_pb9.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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* @name Timer configuration
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* @{
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*/
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static const timer_conf_t timer_config[] = {
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{
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.dev = TIM1,
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.max = 0x0000ffff,
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.rcc_mask = RCC_APB2ENR_TIM1EN,
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.bus = APB2,
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.irqn = TIM1_CC_IRQn
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},
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{
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.dev = TIM3,
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.max = 0x0000ffff,
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.rcc_mask = RCC_APB1ENR_TIM3EN,
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.bus = APB1,
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.irqn = TIM3_IRQn
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},
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};
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#define TIMER_0_ISR (isr_tim1_cc)
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#define TIMER_1_ISR (isr_tim3)
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#define TIMER_NUMOF ARRAY_SIZE(timer_config)
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/** @} */
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/**
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* @name UART configuration
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* @{
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*/
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static const uart_conf_t uart_config[] = {
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{
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.dev = USART1,
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.rcc_mask = RCC_APB2ENR_USART1EN,
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.rx_pin = GPIO_PIN(PORT_A, 10),
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.tx_pin = GPIO_PIN(PORT_A, 9),
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.rx_af = GPIO_AF1,
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.tx_af = GPIO_AF1,
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.bus = APB2,
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.irqn = USART1_IRQn
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}
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};
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#define UART_0_ISR (isr_usart1)
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#define UART_NUMOF ARRAY_SIZE(uart_config)
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/** @} */
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/**
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* @name PWM configuration
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* @{
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*/
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static const pwm_conf_t pwm_config[] = {
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{
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.dev = TIM3,
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.rcc_mask = RCC_APB1ENR_TIM3EN,
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.chan = { { .pin = GPIO_PIN(PORT_A, 6), .cc_chan = 0},
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{ .pin = GPIO_PIN(PORT_A, 7), .cc_chan = 1},
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{ .pin = GPIO_UNDEF, .cc_chan = 0},
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{ .pin = GPIO_UNDEF, .cc_chan = 0} },
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.af = GPIO_AF1,
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.bus = APB1
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}
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};
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#define PWM_NUMOF ARRAY_SIZE(pwm_config)
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/** @} */
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/**
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* @name SPI configuration
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* @{
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*/
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static const spi_conf_t spi_config[] = {
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{
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.dev = SPI1,
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.mosi_pin = GPIO_PIN(PORT_A, 7),
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.miso_pin = GPIO_PIN(PORT_A, 6),
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.sclk_pin = GPIO_PIN(PORT_A, 5),
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.cs_pin = GPIO_PIN(PORT_B, 1),
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.mosi_af = GPIO_AF0,
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.miso_af = GPIO_AF0,
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.sclk_af = GPIO_AF0,
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.cs_af = GPIO_AF0,
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.rccmask = RCC_APB2ENR_SPI1EN,
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.apbbus = APB2
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},
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};
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#define SPI_NUMOF ARRAY_SIZE(spi_config)
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/** @} */
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/**
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* @name ADC configuration
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* @{
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*/
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static const adc_conf_t adc_config[] = {
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{ GPIO_PIN(PORT_A, 0), 0 },
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{ GPIO_PIN(PORT_A, 1), 1 },
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{ GPIO_PIN(PORT_A, 2), 2 },
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{ GPIO_PIN(PORT_A, 3), 3 },
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{ GPIO_PIN(PORT_A, 4), 4 },
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{ GPIO_PIN(PORT_A, 5), 5 }
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};
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#define ADC_NUMOF ARRAY_SIZE(adc_config)
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/** @} */
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#ifdef __cplusplus
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}
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#endif
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#endif /* PERIPH_CONF_H */
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/** @} */
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