periph_conf.h

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/*
 * SPDX-FileCopyrightText: 2021 Freie Universität Berlin
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once
 
/* Add specific clock configuration (HSE, LSE) for this board here */
#ifndef CONFIG_BOARD_HAS_LSE
#define CONFIG_BOARD_HAS_LSE            1
#endif
 
/* This board provides a 32MHz HSE oscillator  */
#ifndef CONFIG_BOARD_HAS_HSE
#define CONFIG_BOARD_HAS_HSE            1
#endif
 
#ifndef CONFIG_CLOCK_HSE
#define CONFIG_CLOCK_HSE                       MHZ(32)
#endif
 
#include "periph_cpu.h"
#include "clk_conf.h"
#include "cfg_rtt_default.h"
#include "cfg_timer_tim2.h"
 
#ifdef __cplusplus
extern "C" {
#endif
 
static const uart_conf_t uart_config[] = {
    {
        .dev        = LPUART1,
        .rcc_mask   = RCC_APB1ENR2_LPUART1EN,
        .rx_pin     = GPIO_PIN(PORT_A, 3),
        .tx_pin     = GPIO_PIN(PORT_A, 2),
        .rx_af      = GPIO_AF8,
        .tx_af      = GPIO_AF8,
        .bus        = APB12,
        .irqn       = LPUART1_IRQn,
        .type       = STM32_LPUART,
        .clk_src    = 0, /* Use APB clock */
    },
    {
        .dev        = USART1,
        .rcc_mask   = RCC_APB2ENR_USART1EN,
        .rx_pin     = GPIO_PIN(PORT_B, 7),
        .tx_pin     = GPIO_PIN(PORT_B, 6),
        .rx_af      = GPIO_AF7,
        .tx_af      = GPIO_AF7,
        .bus        = APB2,
        .irqn       = USART1_IRQn,
        .type       = STM32_USART,
        .clk_src    = 0, /* Use APB clock */
    },
};
 
#define UART_0_ISR          (isr_lpuart1)
#define UART_1_ISR          (isr_usart1)
 
#define UART_NUMOF          ARRAY_SIZE(uart_config)
static const spi_conf_t spi_config[] = {
    {
        .dev      = SUBGHZSPI, /* Internally connected to Sub-GHz radio Modem  */
        .mosi_pin = GPIO_UNDEF,
        .miso_pin = GPIO_UNDEF,
        .sclk_pin = GPIO_UNDEF,
        .cs_pin   = SPI_CS_UNDEF,
        .mosi_af  = GPIO_AF_UNDEF,
        .miso_af  = GPIO_AF_UNDEF,
        .sclk_af  = GPIO_AF_UNDEF,
        .cs_af    = GPIO_AF_UNDEF,
        .rccmask  = RCC_APB3ENR_SUBGHZSPIEN,
        .apbbus   = APB3,
    },
/* SUBGHZ DEBUG PINS use the SPI1 pins */
#if !IS_ACTIVE(CONFIG_STM32_WLX5XX_SUBGHZ_DEBUG)
    {
        .dev      = SPI1,
        .mosi_pin = GPIO_PIN(PORT_A, 7),
        .miso_pin = GPIO_PIN(PORT_A, 6),
        .sclk_pin = GPIO_PIN(PORT_A, 5),
        .cs_pin   = SPI_CS_UNDEF,
        .mosi_af  = GPIO_AF5,
        .miso_af  = GPIO_AF5,
        .sclk_af  = GPIO_AF5,
        .cs_af    = GPIO_AF5,
        .rccmask  = RCC_APB2ENR_SPI1EN,
        .apbbus   = APB2,
    }
#endif
};
 
#define SPI_NUMOF               ARRAY_SIZE(spi_config)
#define ARDUINO_SPI_D11D12D13   SPI_DEV(1)
static const i2c_conf_t i2c_config[] = {
    {
        .dev            = I2C2,
        .speed          = I2C_SPEED_NORMAL,
        .scl_pin        = GPIO_PIN(PORT_A, 12),
        .sda_pin        = GPIO_PIN(PORT_A, 11),
        .scl_af         = GPIO_AF4,
        .sda_af         = GPIO_AF4,
        .bus            = APB1,
        .rcc_mask       = RCC_APB1ENR1_I2C2EN,
        .rcc_sw_mask    = RCC_CCIPR_I2C2SEL_1,  /* HSI (16 MHz) */
        .irqn           = I2C2_ER_IRQn,
    }
};
 
#define I2C_1_ISR           isr_i2c2_er
 
#define I2C_NUMOF           ARRAY_SIZE(i2c_config)
static const adc_conf_t adc_config[] = {
    {GPIO_PIN(PORT_B, 1),  .chan = 5},  /* ADC1_IN5 */
    {GPIO_PIN(PORT_B, 2),  .chan = 4},  /* ADC1_IN4 */
    {GPIO_PIN(PORT_A, 10), .chan = 6},  /* ADC1_IN6 */
    {GPIO_PIN(PORT_B, 4),  .chan = 3},  /* ADC1_IN3 */
    {GPIO_PIN(PORT_B, 14), .chan = 1},  /* ADC1_IN1 */
    {GPIO_PIN(PORT_B, 13), .chan = 0},  /* ADC1_IN0 */
    {GPIO_UNDEF,           .chan = 14}, /* VBAT see datasheet point 3.20.3 */
};
 
#define ADC_NUMOF           ARRAY_SIZE(adc_config)
 
#define VBAT_ADC            ADC_LINE(6) 
#ifdef __cplusplus
}
#endif