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sdcard detection

Zakaria Taleb Bendiab

hello

i am working on a project using stm32f205, i am using the file system component v6.6 to
access an sdcard connected to the MCU via SDIO interface.

the sdcard reader i am using dont have card detection switch, so i have to check every time
if the card is present in the reader.

is there any function in the file system component v6.6 that let me do this process.

thanks

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  • 0

    Maybe you can try to reinitialize the card in case this does not happen very often?

    int32_t drive_id = fs_ioc_get_id ("M0:");
uint32_t arg = FS_CONTROL_MEDIA_INIT;

if (fs_ioc_device_ctrl (drive_id, fsDevCtrlCodeControlMedia, &arg) == fsOK) {
  /* Memory media present */
} else {
  /* Memory media removed */
}

Reply
  • 0

    Maybe you can try to reinitialize the card in case this does not happen very often?

    int32_t drive_id = fs_ioc_get_id ("M0:");
uint32_t arg = FS_CONTROL_MEDIA_INIT;

if (fs_ioc_device_ctrl (drive_id, fsDevCtrlCodeControlMedia, &arg) == fsOK) {
  /* Memory media present */
} else {
  /* Memory media removed */
}

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