xf_main.c

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/* ==================== [Includes] ========================================== */
 
#include "xf_hal.h"
#include <string.h>
 
/* ==================== [Defines] =========================================== */
 
#define TAG "spi_self"
 
/* ==================== [Typedefs] ========================================== */
 
/* ==================== [Static Prototypes] ================================= */
 
static void spi_echo(void);
 
/* ==================== [Static Variables] ================================== */
 
/* ==================== [Macros] ============================================ */
 
/* ==================== [Global Functions] ================================== */
 
void xf_main(void)
{
    xf_hal_spi_gpio_t master_gpio = {
        .mosi_num = 12,
        .miso_num = 13,
        .sclk_num = 16,
        .cs_num = 14
    };
 
    xf_hal_spi_gpio_t slave_gpio = {
        .mosi_num = 4,
        .miso_num = 5,
        .sclk_num = 18,
        .cs_num = 23
    };
 
    xf_hal_spi_init(1, XF_HAL_SPI_HOSTS_MASTER, 5000000);
    xf_hal_spi_set_gpio(1, &master_gpio);
    xf_hal_spi_set_mode(1, 0);
    xf_hal_spi_enable(1);
 
    xf_hal_spi_init(2, XF_HAL_SPI_HOSTS_SLAVE, 5000000);
    xf_hal_spi_set_gpio(2, &slave_gpio);
    xf_hal_spi_set_mode(2, 0);
    xf_hal_spi_enable(2);
 
    spi_echo();
}
 
/* ==================== [Static Functions] ================================== */
 
static void spi_echo(void)
{
    uint8_t msg[] = "hello";
    static uint8_t recv[sizeof(msg)] = {0};
    xf_hal_spi_write(2, msg, sizeof(msg), 10);
    xf_hal_spi_read(1, recv, sizeof(recv), 10);
    XF_LOGI(TAG, "recv:%s", recv);
}