rt-thread/bsp/stm32f107/drivers/platform.c

#include <rtthread.h>
#include <board.h>

#ifdef RT_USING_LWIP
#include "stm32_eth.h"
#endif /* RT_USING_LWIP */

#ifdef RT_USING_SPI
#include "rt_stm32f10x_spi.h"

#if defined(RT_USING_DFS) && defined(RT_USING_SPI_MSD)
#include "spi_msd.h"
#endif /* RT_USING_DFS */

/*
 * SPI1_MOSI: PA7
 * SPI1_MISO: PA6
 * SPI1_SCK : PA5
 *
 * CS0: PA4  SD card.
*/
static void rt_hw_spi_init(void)
{
#ifdef RT_USING_SPI1
    /* register spi bus */
    {
        static struct stm32_spi_bus stm32_spi;
        GPIO_InitTypeDef GPIO_InitStructure;

        /* Enable GPIO clock */
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO,
        ENABLE);

        GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
        GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_AF_PP;
        GPIO_Init(GPIOA, &GPIO_InitStructure);

        stm32_spi_register(SPI1, &stm32_spi, "spi1");
    }

    /* attach cs */
    {
        static struct rt_spi_device spi_device;
        static struct stm32_spi_cs  spi_cs;

        GPIO_InitTypeDef GPIO_InitStructure;

        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;

        /* spi21: PG10 */
        spi_cs.GPIOx = GPIOA;
        spi_cs.GPIO_Pin = GPIO_Pin_4;
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);

        GPIO_InitStructure.GPIO_Pin = spi_cs.GPIO_Pin;
        GPIO_SetBits(spi_cs.GPIOx, spi_cs.GPIO_Pin);
        GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);

        rt_spi_bus_attach_device(&spi_device, "spi10", "spi1", (void*)&spi_cs);
    }
#endif /* RT_USING_SPI1 */
}
#endif /* RT_USING_SPI */


void rt_platform_init(void)
{
#ifdef RT_USING_SPI
    rt_hw_spi_init();

#if defined(RT_USING_DFS) && defined(RT_USING_SPI_MSD)
    /* init sdcard driver */
    {
        extern void rt_hw_msd_init(void);
        GPIO_InitTypeDef  GPIO_InitStructure;

        /* PC4 : SD Power */
        RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);

        GPIO_InitStructure.GPIO_Pin   = GPIO_Pin_4;
        GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
        GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_Out_PP;
        GPIO_Init(GPIOC, &GPIO_InitStructure);

        /* SD card power on. */
        GPIO_ResetBits(GPIOC, GPIO_Pin_4);
        rt_thread_delay(2);

        msd_init("sd0", "spi10");
    }
#endif /* RT_USING_DFS && RT_USING_SPI_MSD */

#endif // RT_USING_SPI

#ifdef RT_USING_LWIP
    /* initialize eth interface */
    rt_hw_stm32_eth_init();
#endif /* RT_USING_LWIP */

}