periph_conf.h
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/*
* Copyright (C) 2017 Inria
* 2017 OTA keys
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup boards_nucleo32-f031
* @{
*
* @file
* @brief Peripheral MCU configuration for the nucleo32-f031 board
*
* @author Alexandre Abadie <alexandre.abadie@inria.fr>
* @author Vincent Dupont <vincent@otakeys.com>
*/
#ifndef PERIPH_CONF_H
#define PERIPH_CONF_H
#include "periph_cpu.h"
#ifdef __cplusplus
extern "C" {
#endif
/**
* @name Clock settings
*
* @note This is auto-generated from
* `cpu/stm32_common/dist/clk_conf/clk_conf.c`
* @{
*/
/* give the target core clock (HCLK) frequency [in Hz],
* maximum: 48MHz */
#define CLOCK_CORECLOCK (48000000U)
/* 0: no external high speed crystal available
* else: actual crystal frequency [in Hz] */
#define CLOCK_HSE (0U)
/* 0: no external low speed crystal available,
* 1: external crystal available (always 32.768kHz) */
#define CLOCK_LSE (0)
/* peripheral clock setup */
#define CLOCK_AHB_DIV RCC_CFGR_HPRE_DIV1
#define CLOCK_AHB (CLOCK_CORECLOCK / 1)
#define CLOCK_APB1_DIV RCC_CFGR_PPRE_DIV1 /* max 48MHz */
#define CLOCK_APB1 (CLOCK_CORECLOCK / 1)
#define CLOCK_APB2 (CLOCK_APB1)
/* PLL factors */
#define CLOCK_PLL_PREDIV (2)
#define CLOCK_PLL_MUL (12)
/** @} */
/**
* @name Timer configuration
* @{
*/
static const timer_conf_t timer_config[] = {
{
.dev = TIM2,
.max = 0xffffffff,
.rcc_mask = RCC_APB1ENR_TIM2EN,
.bus = APB1,
.irqn = TIM2_IRQn
}
};
#define TIMER_0_ISR isr_tim2
#define TIMER_NUMOF (sizeof(timer_config) / sizeof(timer_config[0]))
/** @} */
/**
* @name UART configuration
* @{
*/
static const uart_conf_t uart_config[] = {
{
.dev = USART1,
.rcc_mask = RCC_APB2ENR_USART1EN,
.rx_pin = GPIO_PIN(PORT_A, 15),
.tx_pin = GPIO_PIN(PORT_A, 2),
.rx_af = GPIO_AF1,
.tx_af = GPIO_AF1,
.bus = APB2,
.irqn = USART1_IRQn
}
};
#define UART_0_ISR (isr_usart1)
#define UART_NUMOF (sizeof(uart_config) / sizeof(uart_config[0]))
/** @} */
/**
* @name PWM configuration
* @{
*/
static const pwm_conf_t pwm_config[] = {
{
.dev = TIM1,
.rcc_mask = RCC_APB2ENR_TIM1EN,
.chan = { { .pin = GPIO_PIN(PORT_A, 8) /* D9 */, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 } },
.af = GPIO_AF2,
.bus = APB2
},
{
.dev = TIM14,
.rcc_mask = RCC_APB1ENR_TIM14EN,
.chan = { { .pin = GPIO_PIN(PORT_B, 1) /* D6 */, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 } },
.af = GPIO_AF0,
.bus = APB1
},
{
.dev = TIM3,
.rcc_mask = RCC_APB1ENR_TIM3EN,
.chan = { { .pin = GPIO_PIN(PORT_B, 0) /* D3 */, .cc_chan = 2 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 },
{ .pin = GPIO_UNDEF, .cc_chan = 0 } },
.af = GPIO_AF1,
.bus = APB1
},
};
#define PWM_NUMOF (sizeof(pwm_config) / sizeof(pwm_config[0]))
/** @} */
/**
* @name SPI configuration
*
* @note The spi_divtable is auto-generated from
* `cpu/stm32_common/dist/spi_divtable/spi_divtable.c`
* @{
*/
static const uint8_t spi_divtable[2][5] = {
{ /* for APB1 @ 48000000Hz */
7, /* -> 187500Hz */
6, /* -> 375000Hz */
5, /* -> 750000Hz */
2, /* -> 6000000Hz */
1 /* -> 12000000Hz */
},
{ /* for APB2 @ 48000000Hz */
7, /* -> 187500Hz */
6, /* -> 375000Hz */
5, /* -> 750000Hz */
2, /* -> 6000000Hz */
1 /* -> 12000000Hz */
}
};
static const spi_conf_t spi_config[] = {
{
.dev = SPI1,
.mosi_pin = GPIO_PIN(PORT_B, 5),
.miso_pin = GPIO_PIN(PORT_B, 4),
.sclk_pin = GPIO_PIN(PORT_B, 3),
.cs_pin = GPIO_UNDEF,
.af = GPIO_AF0,
.rccmask = RCC_APB2ENR_SPI1EN,
.apbbus = APB2
}
};
#define SPI_NUMOF (sizeof(spi_config) / sizeof(spi_config[0]))
/** @} */
/**
* @name RTC configuration
* @{
*/
/**
* Nucleo-f031 does not have any LSE, current RTC driver does not support LSI as
* clock source, so disabling RTC.
*/
#define RTC_NUMOF (0U)
/** @} */
/**
* @name ADC configuration
* @{
*/
#define ADC_CONFIG { \
{ GPIO_PIN(PORT_A, 0), 0 }, \
{ GPIO_PIN(PORT_A, 1), 1 }, \
{ GPIO_PIN(PORT_A, 3), 3 }, \
{ GPIO_PIN(PORT_A, 4), 4 }, \
{ GPIO_PIN(PORT_A, 7), 7 } \
}
#define ADC_NUMOF (5)
/** @} */
#ifdef __cplusplus
}
#endif
#endif /* PERIPH_CONF_H */
/** @} */