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[bsp][stm32f429-apollo] Change the SDIO initialization frequency to 400K for improve reliability.

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This commit is contained in:
armink 2018-05-31 17:11:04 +08:00
parent 63c4373a5e
commit 62ed2b9d0f
1 changed files with 1 additions and 1 deletions
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bsp/stm32f429-apollo/drivers/drv_sdio_sd.c
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@ -21,7 +21,7 @@ rt_uint8_t SD_Init(void)
SDCARD_Handler.Init.ClockPowerSave=SDIO_CLOCK_POWER_SAVE_DISABLE; //空闲时不关闭时钟电源
SDCARD_Handler.Init.BusWide=SDIO_BUS_WIDE_1B; //1位数据线
SDCARD_Handler.Init.HardwareFlowControl=SDIO_HARDWARE_FLOW_CONTROL_DISABLE;//关闭硬件流控
SDCARD_Handler.Init.ClockDiv=SDIO_TRANSFER_CLK_DIV; //SD传输时钟频率最大25MHZ
SDCARD_Handler.Init.ClockDiv=SDIO_INIT_CLK_DIV; //初始化时钟为400KHZ
SD_Error=HAL_SD_Init(&SDCARD_Handler,&SDCardInfo);
if(SD_Error!=SD_OK) return 1;