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@ -115,7 +115,7 @@ secbool sdcard_power_on(void) {
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HAL_Delay(50);
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if (sectrue != sdcard_is_present()) {
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return secfalse;
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goto error;
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}
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if (sd_handle.Instance) {
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return sectrue;
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@ -147,17 +147,15 @@ secbool sdcard_power_on(void) {
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return sectrue;
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error:
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sd_handle.Instance = NULL;
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sdcard_power_off();
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return secfalse;
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}
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void sdcard_power_off(void) {
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if (NULL == sd_handle.Instance) {
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return;
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if (sd_handle.Instance != NULL) {
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HAL_SD_DeInit(&sd_handle);
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sd_handle.Instance = NULL;
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}
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HAL_SD_DeInit(&sd_handle);
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sd_handle.Instance = NULL;
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// turn off SD card circuitry
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HAL_Delay(50);
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sdcard_default_pin_state();
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