/**
* @brief Initializes the SDIO according to the specified
* parameters in the SDIO_InitTypeDef and create the associated handle.
* @param SDIOx: Pointer to SDIO register base
* @param Init: SDIO initialization structure
* @retval HAL status
*/
HAL_StatusTypeDef SDIO_Init(SDIO_TypeDef *SDIOx, SDIO_InitTypeDef Init)
{
uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_SDIO_ALL_INSTANCE(SDIOx));
assert_param(IS_SDIO_CLOCK_EDGE(Init.ClockEdge));
assert_param(IS_SDIO_CLOCK_BYPASS(Init.ClockBypass));
assert_param(IS_SDIO_CLOCK_POWER_SAVE(Init.ClockPowerSave));
assert_param(IS_SDIO_BUS_WIDE(Init.BusWide));
assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(Init.HardwareFlowControl));
assert_param(IS_SDIO_CLKDIV(Init.ClockDiv));
/* Set SDIO configuration parameters */
tmpreg |= (Init.ClockEdge |\
Init.ClockBypass |\
Init.ClockPowerSave |\
Init.BusWide |\
Init.HardwareFlowControl |\
Init.ClockDiv
);
/* Write to SDIO CLKCR */
MODIFY_REG(SDIOx->CLKCR, CLKCR_CLEAR_MASK, tmpreg);
return HAL_OK;
}
/**
* @brief Initializes the SDIO peripheral according to the specified
* parameters in the SDIO_InitStruct.
* @param SDIO_InitStruct : pointer to a SDIO_InitTypeDef structure
* that contains the configuration information for the SDIO peripheral.
* @retval None
*/
void SDIO_Init(SDIO_InitTypeDef* SDIO_InitStruct)
{
uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_SDIO_CLOCK_EDGE(SDIO_InitStruct->SDIO_ClockEdge));
assert_param(IS_SDIO_CLOCK_BYPASS(SDIO_InitStruct->SDIO_ClockBypass));
assert_param(IS_SDIO_CLOCK_POWER_SAVE(SDIO_InitStruct->SDIO_ClockPowerSave));
assert_param(IS_SDIO_BUS_WIDE(SDIO_InitStruct->SDIO_BusWide));
assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(SDIO_InitStruct->SDIO_HardwareFlowControl));
/*---------------------------- SDIO CLKCR Configuration ------------------------*/
/* Get the SDIO CLKCR value */
tmpreg = SDIO->CLKCR;
/* Clear CLKDIV, PWRSAV, BYPASS, WIDBUS, NEGEDGE, HWFC_EN bits */
tmpreg &= CLKCR_CLEAR_MASK;
/* Set CLKDIV bits according to SDIO_ClockDiv value */
/* Set PWRSAV bit according to SDIO_ClockPowerSave value */
/* Set BYPASS bit according to SDIO_ClockBypass value */
/* Set WIDBUS bits according to SDIO_BusWide value */
/* Set NEGEDGE bits according to SDIO_ClockEdge value */
/* Set HWFC_EN bits according to SDIO_HardwareFlowControl value */
tmpreg |= (SDIO_InitStruct->SDIO_ClockDiv | SDIO_InitStruct->SDIO_ClockPowerSave |
SDIO_InitStruct->SDIO_ClockBypass | SDIO_InitStruct->SDIO_BusWide |
SDIO_InitStruct->SDIO_ClockEdge | SDIO_InitStruct->SDIO_HardwareFlowControl);
/* Write to SDIO CLKCR */
SDIO->CLKCR = tmpreg;
}
/**
* @brief Initializes the SDIO according to the specified
* parameters in the SDIO_InitTypeDef and create the associated handle.
* @param SDIOx: Pointer to SDIO register base
* @param Init: SDIO initialization structure
* @retval HAL status
*/
HAL_StatusTypeDef SDIO_Init(SDIO_TypeDef *SDIOx, SDIO_InitTypeDef Init)
{
__IO uint32_t tmpreg = 0;
/* Check the parameters */
assert_param(IS_SDIO_ALL_INSTANCE(SDIOx));
assert_param(IS_SDIO_CLOCK_EDGE(Init.ClockEdge));
assert_param(IS_SDIO_CLOCK_BYPASS(Init.ClockBypass));
assert_param(IS_SDIO_CLOCK_POWER_SAVE(Init.ClockPowerSave));
assert_param(IS_SDIO_BUS_WIDE(Init.BusWide));
assert_param(IS_SDIO_HARDWARE_FLOW_CONTROL(Init.HardwareFlowControl));
assert_param(IS_SDIO_CLKDIV(Init.ClockDiv));
/* Get the SDIO CLKCR value */
tmpreg = SDIOx->CLKCR;
/* Clear CLKDIV, PWRSAV, BYPASS, WIDBUS, NEGEDGE, HWFC_EN bits */
tmpreg &= CLKCR_CLEAR_MASK;
/* Set SDIO configuration parameters */
tmpreg |= (Init.ClockEdge |\
Init.ClockBypass |\
Init.ClockPowerSave |\
Init.BusWide |\
Init.HardwareFlowControl |\
Init.ClockDiv
);
/* Write to SDIO CLKCR */
SDIOx->CLKCR = tmpreg;
return HAL_OK;
}