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update SD card driver for auto initial.

This commit is contained in:
aozima 2013-07-12 22:52:23 +08:00
parent 5183697fd4
commit 020d05ca92
1 changed files with 2310 additions and 2309 deletions
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13
bsp/stm32f10x/drivers/sdcard.c
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@ -221,7 +221,7 @@ SD_Error SD_PowerON(void)
SDIO_CmdInitStructure.SDIO_Wait = SDIO_Wait_No;
SDIO_CmdInitStructure.SDIO_CPSM = SDIO_CPSM_Enable;
for(i = 0;i < 74; i++)
for(i = 0; i < 74; i++)
{
SDIO_SendCommand(&SDIO_CmdInitStructure);
errorstatus = CmdError();
@ -3159,7 +3159,7 @@ static rt_err_t rt_sdcard_control(rt_device_t dev, rt_uint8_t cmd, void *args)
return RT_EOK;
}
void rt_hw_sdcard_init()
int rt_hw_sdcard_init(void)
{
/* SDIO POWER */
GPIO_InitTypeDef GPIO_InitStructure;
@ -3191,7 +3191,7 @@ void rt_hw_sdcard_init()
if (sector == RT_NULL)
{
rt_kprintf("allocate partition sector buffer failed\n");
return;
return 0;
}
status = SD_ReadBlock(0, (uint32_t*)sector, 512);
if (status == SD_OK)
@ -3229,18 +3229,19 @@ void rt_hw_sdcard_init()
rt_device_register(&sdcard_device, "sd0",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_REMOVABLE | RT_DEVICE_FLAG_STANDALONE);
return;
return 0;
}
__return:
rt_kprintf("sdcard init failed\n");
GPIO_SetBits(GPIOC,GPIO_Pin_6); /* SD card power down */
return 0;
}
INIT_DEVICE_EXPORT(rt_hw_sdcard_init);
void SDIO_IRQHandler(void)
{
extern int SD_ProcessIRQSrc(void);
/* enter interrupt */
rt_interrupt_enter();