stm: SDIOSDCard: Wait for write-complete just like micropython

Author: jepler

ports/stm/common-hal/_sdcardio/SDIOSDCard.c

@@ -140,9 +140,12 @@ STATIC void check_whole_block(mp_buffer_info_t *bufinfo) {
 STATIC void wait_write_complete(sdcardio_sdiosdcard_obj_t *self) {
     if (self->state_programming) {
         HAL_SD_CardStateTypedef st = HAL_SD_CARD_PROGRAMMING;
-        for (int i=0; i < 50000 && st == HAL_SD_CARD_PROGRAMMING; i++) {
+        // This waits up to 60s for programming to complete.  This seems like
+        // an extremely long time, but this is the timeout that micropython's
+        // implementation uses
+        for (int i=0; i < 60000 && st == HAL_SD_CARD_PROGRAMMING; i++) {
             st = HAL_SD_GetCardState(&self->handle);
-            HAL_Delay(10);
+            HAL_Delay(1);
         };
         self->state_programming = false;
     }