hi, how to erase the previous data in SD card using erase command in stm32f103c8.

[Imen.D]

Hello @mrsmile​,

You'll probably want to review IAP examples within STM32CubeF1:

STM32Cube_FW_F1_Vx.x.x\Projects\STM3210C_EVAL\Applications\IAP

Please have a look at this AN3990 it may be helpful to what you expect to do, and it's applicable for SD card using.

Imen

[mrsmile]

hello mam @Imen DAHMEN ,

ok mam, i'll refer this document. thank you for your response. its may be helpfull for me. once again thank you mam.

[mrsmile]

hello mam,

i'm need to erase the previous data in SD card(SPI communication) by using erase command in stm32f103c8(HAL library).

in this condition using to continuously erase the data.

uint8_t erase_cmd[6]={0x20, 0x00, 0x00, 0x00, 0x00, 0x95};

HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_RESET);   // Chip select pin

HAL_SPI_Transmit(&hspi1, erase_cmd, sizeof(erase_cmd), HAL_MAX_DELAY);

HAL_SPI_Receive(&hspi1, &status, 1, HAL_MAX_DELAY); 

HAL_GPIO_WritePin(GPIOB, GPIO_PIN_0, GPIO_PIN_SET);.