Merge pull request #1436 from NickeZ/nickez/sd-more-robust

sd: wait more after reset

Author: NickeZ

external/asf4-drivers/sd_mmc/sd_mmc.c

@@ -807,7 +807,7 @@ static bool sd_mmc_mci_card_init(void)
 
     /* CMD52 Reset SDIO */
     sdio_cmd52(SDIO_CMD52_WRITE_FLAG, SDIO_CIA, SDIO_CCCR_IOA, 0, &data);
-    delay_ms(1);
+    delay_ms(10);
 
     /* CMD0 - Reset all cards to idle state.*/
     if (!driver_send_cmd(sd_mmc_hal, SDMMC_MCI_CMD0_GO_IDLE_STATE, 0)) {

src/sd.c

@@ -326,6 +326,21 @@ bool sd_card_inserted(void)
             }
         }
     }
+#if !defined(NDEBUG)
+    switch (err) {
+    case SD_MMC_OK:
+        break;
+    case SD_MMC_ERR_UNUSABLE:
+        util_log("sd_mmc_check returned \"SD_MMC_ERR_UNUSABLE\"");
+        break;
+    case SD_MMC_INIT_ONGOING:
+        util_log("sd_mmc_check returned \"SD_MMC_INIT_ONGOING\" after 10 retries");
+        break;
+    default:
+        util_log("sd_mmc_check returned %d", err);
+        break;
+    }
+#endif
     return err == SD_MMC_OK;
 #endif
 }