Replace mount() with reformat() which results in a reformatted and mounted file-format - now we can be super sure to have a clean set-up.

https://os.mbed.com/docs/mbed-os/v6.11/mbed-os-api-doxy/classmbed_1_1_f_a_t_file_system.html#a6bb5160b6665359b9411ebc65aaa5308

Author: aentinger

src/utility/ota/OTA-nano-rp2040.cpp

@@ -101,10 +101,10 @@ int rp2040_connect_onOTARequest(char const * ota_url)
   mbed_watchdog_reset();
 
   mbed::FATFileSystem fs("ota");
-  if ((err = fs.mount(&flash)) != 0)
+  if ((err = fs.reformat(&flash)) != 0)
   {
-     DEBUG_ERROR("%s: fs.mount() failed with %d", __FUNCTION__, err);
-     return static_cast<int>(OTAError::RP2040_ErrorMount);
+     DEBUG_ERROR("%s: fs.reformat() failed with %d", __FUNCTION__, err);
+     return static_cast<int>(OTAError::RP2040_ErrorReformat);
   }
 
   mbed_watchdog_reset();

src/utility/ota/OTA.h

@@ -46,7 +46,7 @@ enum class OTAError : int
   RP2040_ErrorWriteUpdateFile = RP2040_OTA_ERROR_BASE - 5,
   RP2040_ErrorParseHttpHeader = RP2040_OTA_ERROR_BASE - 6,
   RP2040_ErrorFlashInit       = RP2040_OTA_ERROR_BASE - 7,
-  RP2040_ErrorMount           = RP2040_OTA_ERROR_BASE - 8,
+  RP2040_ErrorReformat        = RP2040_OTA_ERROR_BASE - 8,
   RP2040_ErrorUnmount         = RP2040_OTA_ERROR_BASE - 9,
 };