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#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_DFS_ELMFAT)
#include "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_DFS_ELMFAT)
/* 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_DFS_ELMFAT */
#endif // RT_USING_SPI
#ifdef RT_USING_LWIP
/* initialize eth interface */
rt_hw_stm32_eth_init();
#endif /* RT_USING_LWIP */
}
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