/**
* @brief Initializes the SD Card and put it into StandBy State (Ready for
* data transfer).
* @retval None
*/
void SD_IO_Init(void)
{
GPIO_InitTypeDef gpioinitstruct = {0};
uint8_t counter = 0;
/* SD_CS_GPIO Periph clock enable */
SD_CS_GPIO_CLK_ENABLE();
/* Configure SD_CS_PIN pin: SD Card CS pin */
gpioinitstruct.Pin = SD_CS_PIN;
gpioinitstruct.Mode = GPIO_MODE_OUTPUT_PP;
gpioinitstruct.Pull = GPIO_PULLUP;
gpioinitstruct.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(SD_CS_GPIO_PORT, &gpioinitstruct);
/*------------Put SD in SPI mode--------------*/
/* SD SPI Config */
SPIx_Init();
/* SD chip select high */
SD_CS_HIGH();
/* Send dummy byte 0xFF, 10 times with CS high */
/* Rise CS and MOSI for 80 clocks cycles */
for (counter = 0; counter <= 9; counter++)
{
/* Send dummy byte 0xFF */
SD_IO_WriteByte(SD_DUMMY_BYTE);
}
}
/**
* @brief Initializes the SD Card and put it into StandBy State (Ready for
* data transfer).
* @param None
* @retval None
*/
void SD_IO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
uint8_t counter;
/* SD_CS_GPIO Periph clock enable */
SD_CS_GPIO_CLK_ENABLE();
/* Configure SD_CS_PIN pin: SD Card CS pin */
GPIO_InitStruct.Pin = SD_CS_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStruct);
/* LCD chip select line perturbs SD also when the LCD is not used */
/* this is a workaround to avoid sporadic failures during r/w operations */
LCD_CS_GPIO_CLK_ENABLE();
GPIO_InitStruct.Pin = LCD_CS_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_NOPULL;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH;
HAL_GPIO_Init(LCD_CS_GPIO_PORT, &GPIO_InitStruct);
LCD_CS_HIGH();
/*------------Put SD in SPI mode--------------*/
/* SD SPI Config */
SPIx_Init();
/* SD chip select high */
SD_CS_HIGH();
/* Send dummy byte 0xFF, 10 times with CS high */
/* Rise CS and MOSI for 80 clocks cycles */
for (counter = 0; counter <= 9; counter++)
{
/* Send dummy byte 0xFF */
SD_IO_WriteByte(SD_DUMMY_BYTE);
}
}
/**
* @brief Initializes the SD Card and put it into StandBy State (Ready for
* data transfer).
* @param None
* @retval None
*/
void SD_IO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructureure;
uint8_t counter;
/* SD_CS_GPIO and SD_DETECT_GPIO Periph clock enable */
SD_CS_GPIO_CLK_ENABLE();
SD_DETECT_GPIO_CLK_ENABLE();
/* Configure SD_CS_PIN pin: SD Card CS pin */
GPIO_InitStructureure.Pin = SD_CS_PIN;
GPIO_InitStructureure.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStructureure.Pull = GPIO_PULLUP;
GPIO_InitStructureure.Speed = GPIO_SPEED_HIGH;
HAL_GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStructureure);
/* Configure SD_DETECT_PIN pin: SD Card detect pin */
GPIO_InitStructureure.Pin = SD_DETECT_PIN;
GPIO_InitStructureure.Mode = GPIO_MODE_IT_RISING_FALLING;
GPIO_InitStructureure.Pull = GPIO_PULLUP;
HAL_GPIO_Init(SD_DETECT_GPIO_PORT, &GPIO_InitStructureure);
/* Enable and set SD EXTI Interrupt to the lowest priority */
HAL_NVIC_SetPriority(SD_DETECT_EXTI_IRQn, 0x0F, 0);
HAL_NVIC_EnableIRQ(SD_DETECT_EXTI_IRQn);
/*------------Put SD in SPI mode--------------*/
/* SD SPI Config */
SPIx_Init();
/* SD chip select high */
SD_CS_HIGH();
/* Send dummy byte 0xFF, 10 times with CS high */
/* Rise CS and MOSI for 80 clocks cycles */
for (counter = 0; counter <= 9; counter++)
{
/* Send dummy byte 0xFF */
SD_IO_WriteByte(SD_DUMMY_BYTE);
}
}
/**
* @brief Initializes the SD Card and put it into StandBy State (Ready for
* data transfer).
* @param None
* @retval None
*/
void SD_IO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStruct;
uint8_t counter;
/* SD_CS_GPIO and SD_DETECT_GPIO Periph clock enable */
SD_CS_GPIO_CLK_ENABLE();
/* Configure SD_CS_PIN pin: SD Card CS pin */
GPIO_InitStruct.Pin = SD_CS_PIN;
GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
GPIO_InitStruct.Pull = GPIO_PULLUP;
GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_MEDIUM ;
HAL_GPIO_Init(SD_CS_GPIO_PORT, &GPIO_InitStruct);
/* Configure SD_DETECT_PIN pin: SD Card detect pin (Via MFX) */
if (BSP_IO_Init() == IO_OK)
{
BSP_IO_ConfigPin(SD_DETECT_PIN, IO_MODE_INPUT_PU);
}
/*------------Put SD in SPI mode--------------*/
/* SD SPI Config */
SPIx_Init();
/* SD chip select high */
SD_CS_HIGH();
/* Send dummy byte 0xFF, 10 times with CS high */
/* Rise CS and MOSI for 80 clocks cycles */
for (counter = 0; counter <= 9; counter++)
{
/* Send dummy byte 0xFF */
SD_IO_WriteByte(SD_DUMMY_BYTE);
}
}
