Merge pull request #306 from antony-weber/format_sd_fix

Enable formatting not mounted sdcards

Author: ligenxxxx

src/ui/page_storage.c

@@ -104,7 +104,7 @@ static void page_storage_close_status_box() {
  * The formatting routine.
  */
 static format_codes_t page_storage_format_sd() {
-    if (!sdcard_mounted()) {
+    if (!sdcard_inserted()) {
         return FMC_ERR_SDCARD_NOT_INSERTED;
     }
 

src/util/sdcard.c

@@ -1,6 +1,7 @@
 #include "sdcard.h"
 
 #include <sys/stat.h>
+#include <unistd.h>
 
 bool sdcard_mounted() {
     struct stat mountpoint;
@@ -15,3 +16,7 @@ bool sdcard_mounted() {
 
     return false;
 }
+
+bool sdcard_inserted() {
+    return access(SD_BLOCK_DEVICE, F_OK) == 0;
+}

src/util/sdcard.h

@@ -2,4 +2,8 @@
 
 #include <stdbool.h>
 
+#define SD_BLOCK_DEVICE "/dev/mmcblk0"
+
 bool sdcard_mounted();
+
+bool sdcard_inserted();