add missing error codes for Update.begin()

cores/esp8266/Updater.cpp

@@ -70,6 +70,7 @@ bool UpdaterClass::begin(size_t size, int command, int ledPin, uint8_t ledOn) {
 #ifdef DEBUG_UPDATER
     DEBUG_UPDATER.println(F("[begin] already running"));
 #endif
+    _setError(UPDATE_ERROR_RUNNING_ALREADY);
     return false;
   }
 
@@ -86,7 +87,7 @@ bool UpdaterClass::begin(size_t size, int command, int ledPin, uint8_t ledOn) {
     _setError(UPDATE_ERROR_BOOTSTRAP);
     return false;
   }
-  
+
 #ifdef DEBUG_UPDATER
   if (command == U_FS) {
     DEBUG_UPDATER.println(F("[begin] Update Filesystem."));
@@ -133,7 +134,7 @@ bool UpdaterClass::begin(size_t size, int command, int ledPin, uint8_t ledOn) {
 
     //make sure that the size of both sketches is less than the total space (updateEndAddress)
     if(updateStartAddress < currentSketchSize) {
-      _setError(UPDATE_ERROR_SPACE);    
+      _setError(UPDATE_ERROR_SPACE);
       return false;
     }
   }
@@ -162,6 +163,7 @@ bool UpdaterClass::begin(size_t size, int command, int ledPin, uint8_t ledOn) {
 #ifdef DEBUG_UPDATER
     DEBUG_UPDATER.println(F("[begin] Unknown update command."));
 #endif
+    _setError(UPDATE_ERROR_UNKNOWN_COMMAND);
     return false;
   }
 
@@ -404,7 +406,7 @@ bool UpdaterClass::_writeBuffer(){
       modifyFlashMode = true;
     }
   }
-  
+
   if (eraseResult) {
     if(!_async) yield();
     writeResult = ESP.flashWrite(_currentAddress, _buffer, _bufferLen);
@@ -488,7 +490,7 @@ bool UpdaterClass::_verifyEnd() {
         uint8_t buf[4] __attribute__((aligned(4)));
         if(!ESP.flashRead(_startAddress, (uint32_t *) &buf[0], 4)) {
             _currentAddress = (_startAddress);
-            _setError(UPDATE_ERROR_READ);            
+            _setError(UPDATE_ERROR_READ);
             return false;
         }
 
@@ -500,7 +502,7 @@ bool UpdaterClass::_verifyEnd() {
             return true;
         } else if (buf[0] != 0xE9) {
             _currentAddress = (_startAddress);
-            _setError(UPDATE_ERROR_MAGIC_BYTE);            
+            _setError(UPDATE_ERROR_MAGIC_BYTE);
             return false;
         }
 
@@ -512,7 +514,7 @@ bool UpdaterClass::_verifyEnd() {
         // check if new bin fits to SPI flash
         if(bin_flash_size > ESP.getFlashChipRealSize()) {
             _currentAddress = (_startAddress);
-            _setError(UPDATE_ERROR_NEW_FLASH_CONFIG);            
+            _setError(UPDATE_ERROR_NEW_FLASH_CONFIG);
             return false;
         }
 #endif