From 62ed2b9d0f1eae6fe77afceca1ec4348d35aac8f Mon Sep 17 00:00:00 2001 From: armink Date: Thu, 31 May 2018 17:11:04 +0800 Subject: [PATCH] [bsp][stm32f429-apollo] Change the SDIO initialization frequency to 400K for improve reliability. --- bsp/stm32f429-apollo/drivers/drv_sdio_sd.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/bsp/stm32f429-apollo/drivers/drv_sdio_sd.c b/bsp/stm32f429-apollo/drivers/drv_sdio_sd.c index d37543e23..688cf0cb6 100644 --- a/bsp/stm32f429-apollo/drivers/drv_sdio_sd.c +++ b/bsp/stm32f429-apollo/drivers/drv_sdio_sd.c @@ -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; -- GitLab