Hi,
I'm using CubeIDE 1.3.1 with CubeMX 5.6.1, target is a STM32L5 with SDMMC.
I had a problem during SD initialisation, which gave me a timeout error every time from SDMMC_CmdGoIdleState call in SD_PowerON.
I finally found the problem : the function HAL_SD_MspInit generated by CubeMX in the file stm32l5xx_hal_msp.c is just setting things in the PeriphClkIni structure but never uses it : here's the code generated :
void HAL_SD_MspInit(SD_HandleTypeDef* hsd)
{
GPIO_InitTypeDef GPIO_InitStruct = {0};
RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
if(hsd->Instance==SDMMC1)
{
/* USER CODE BEGIN SDMMC1_MspInit 0 */
/* USER CODE END SDMMC1_MspInit 0 */
/** Initializes the peripherals clock
*/
PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_SDMMC1;
PeriphClkInit.Sdmmc1ClockSelection = RCC_SDMMC1CLKSOURCE_PLLSAI1;
PeriphClkInit.PLLSAI1.PLLSAI1Source = RCC_PLLSAI1SOURCE_HSE;
PeriphClkInit.PLLSAI1.PLLSAI1M = 4;
PeriphClkInit.PLLSAI1.PLLSAI1N = 48;
PeriphClkInit.PLLSAI1.PLLSAI1P = RCC_PLLP_DIV17;
PeriphClkInit.PLLSAI1.PLLSAI1Q = RCC_PLLQ_DIV4;
PeriphClkInit.PLLSAI1.PLLSAI1R = RCC_PLLR_DIV8;
PeriphClkInit.PLLSAI1.PLLSAI1ClockOut = RCC_PLLSAI1_48M2CLK;
/* Peripheral clock enable */
__HAL_RCC_SDMMC1_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
/**SDMMC1 GPIO Configuration
PC8 ------> SDMMC1_D0
PC9 ------> SDMMC1_D1
PC10 ------> SDMMC1_D2
PC11 ------> SDMMC1_D3
PC12 ------> SDMMC1_CK
PD2 ------> SDMMC1_CMD
*/
GPIO_InitStruct.Pin = GPIO_PIN_8|GPIO_PIN_9|GPIO_PIN_10|GPIO_PIN_11
|GPIO_PIN_12;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_SDMMC1;
HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
GPIO_InitStruct.Pin = GPIO_PIN_2;
GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
GPIO_InitStruct.Alternate = GPIO_AF12_SDMMC1;
HAL_GPIO_Init(GPIOD, &GPIO_InitStruct);
/* SDMMC1 interrupt Init */
HAL_NVIC_SetPriority(SDMMC1_IRQn, 7, 0);
HAL_NVIC_EnableIRQ(SDMMC1_IRQn);
/* USER CODE BEGIN SDMMC1_MspInit 1 */
/* USER CODE END SDMMC1_MspInit 1 */
}
}
The fix was to add HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit); somewhere after the line 20 and before the end of the function. I did add it in the user code line 54 and everything works as it should.
