103 lines
2.5 KiB
C
103 lines
2.5 KiB
C
#include <rtthread.h>
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#include <board.h>
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#ifdef RT_USING_LWIP
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#include "stm32_eth.h"
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#endif /* RT_USING_LWIP */
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#ifdef RT_USING_SPI
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#include "rt_stm32f10x_spi.h"
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#if defined(RT_USING_DFS) && defined(RT_USING_DFS_ELMFAT)
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#include "msd.h"
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#endif /* RT_USING_DFS */
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/*
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* SPI1_MOSI: PA7
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* SPI1_MISO: PA6
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* SPI1_SCK : PA5
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*
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* CS0: PA4 SD card.
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*/
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static void rt_hw_spi_init(void)
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{
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#ifdef RT_USING_SPI1
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/* register spi bus */
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{
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static struct stm32_spi_bus stm32_spi;
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GPIO_InitTypeDef GPIO_InitStructure;
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/* Enable GPIO clock */
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_AFIO,
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ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_6 | GPIO_Pin_7;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
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GPIO_Init(GPIOA, &GPIO_InitStructure);
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stm32_spi_register(SPI1, &stm32_spi, "spi1");
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}
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/* attach cs */
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{
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static struct rt_spi_device spi_device;
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static struct stm32_spi_cs spi_cs;
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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/* spi21: PG10 */
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spi_cs.GPIOx = GPIOA;
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spi_cs.GPIO_Pin = GPIO_Pin_4;
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE);
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GPIO_InitStructure.GPIO_Pin = spi_cs.GPIO_Pin;
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GPIO_SetBits(spi_cs.GPIOx, spi_cs.GPIO_Pin);
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GPIO_Init(spi_cs.GPIOx, &GPIO_InitStructure);
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rt_spi_bus_attach_device(&spi_device, "spi10", "spi1", (void*)&spi_cs);
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}
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#endif /* RT_USING_SPI1 */
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}
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#endif /* RT_USING_SPI */
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void rt_platform_init(void)
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{
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#ifdef RT_USING_SPI
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rt_hw_spi_init();
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#if defined(RT_USING_DFS) && defined(RT_USING_DFS_ELMFAT)
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/* init sdcard driver */
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{
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extern void rt_hw_msd_init(void);
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GPIO_InitTypeDef GPIO_InitStructure;
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/* PC4 : SD Power */
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOC, ENABLE);
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_10MHz;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
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GPIO_Init(GPIOC, &GPIO_InitStructure);
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/* SD card power on. */
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GPIO_ResetBits(GPIOC, GPIO_Pin_4);
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rt_thread_delay(2);
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msd_init("sd0", "spi10");
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}
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#endif /* RT_USING_DFS && RT_USING_DFS_ELMFAT */
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#endif // RT_USING_SPI
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#ifdef RT_USING_LWIP
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/* initialize eth interface */
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rt_hw_stm32_eth_init();
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#endif /* RT_USING_LWIP */
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}
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