periph_conf.h

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/*
 * SPDX-FileCopyrightText: 2024 TU Dresden
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include "board.h"
#include "periph_cpu.h"
#include "cfg_clock_32_1.h"
#include "cfg_rtt_default.h"
#include "cfg_timer_default.h"
 
#ifdef __cplusplus
extern "C" {
#endif

static const uart_conf_t uart_config[] = {
    {
        .dev        = NRF_UARTE0,
        .rx_pin     = GPIO_PIN(1, 12),
        .tx_pin     = GPIO_PIN(1, 11),
#ifdef MODULE_PERIPH_UART_HW_FC
        .rts_pin    = GPIO_UNDEF,
        .cts_pin    = GPIO_UNDEF,
#endif
        .irqn       = UARTE0_UART0_IRQn,
    },
};                                                  
 
#define UART_0_ISR          (isr_uart0)             
 
#define UART_NUMOF          ARRAY_SIZE(uart_config) 

static const spi_conf_t spi_config[] = {
    {
        .dev  = NRF_SPIM0,
        .sclk = GPIO_PIN(1, 13),
        .mosi = GPIO_PIN(1, 15),
        .miso = GPIO_PIN(1, 14),
    },
    {
        .dev  = NRF_SPIM1,
        .sclk = GPIO_PIN(0, 21),
        .mosi = GPIO_PIN(0, 20),
        .miso = GPIO_PIN(0, 24),
    }
};                                                  
 
#define SPI_NUMOF           ARRAY_SIZE(spi_config)  

static const i2c_conf_t i2c_config[] = {
    {
        .dev = NRF_TWIM1,
        .scl = GPIO_PIN(0, 5),
        .sda = GPIO_PIN(0, 4),
        .speed = I2C_SPEED_NORMAL
    },
#ifdef BOARD_SEEEDSTUDIO_XIAO_NRF52840_SENSE
    {   /* internal I2C bus for the IMU */
        .dev = NRF_TWIM0,
        .scl = GPIO_PIN(0, 27),
        .sda = GPIO_PIN(0, 7),
        .speed = I2C_SPEED_NORMAL
    }
#endif
};                                                  
 
#define I2C_NUMOF           ARRAY_SIZE(i2c_config)  
 
#if defined(BOARD_SEEEDSTUDIO_XIAO_NRF52840_SENSE) || defined(DOXYGEN)
static const pdm_conf_t pdm_config = {
    .din_pin = PDM_DIN_PIN,
    .clk_pin = PDM_CLK_PIN,
};

#endif /* defined(BOARD_SEEEDSTUDIO_XIAO_NRF52840_SENSE) || defined(DOXYGEN) */
 
#ifdef __cplusplus
}
#endif