fix upload not working

Firmware/MotorControl/platformio.ini

@@ -22,21 +22,24 @@ board_hardware.oscillator = external
 board_hardware.uart = no_bootloader
 ; Brown-out detection
 board_hardware.bod = 2.7v
-
-; specify fuses because platformio burns wrong ones when uploading
-; actually this doesn't help?
-; for whatever reason avrdude gives an error if you don't upload
-; just after flashing fuses
-board_fuse.lfuse = 0xf7
-board_fuse.hfuse = 0xd7
-board_fuse.efuse = 0xfd
+build_unflags = -flto
 
 board_upload.speed = 115200
 
 monitor_speed = 9600
 
-upload_protocol = stk500
-upload_port = COM3
-upload_flags = -PCOM3
+; Custom upload procedure
+upload_protocol = custom
+; Avrdude upload flags
+upload_flags =
+  -C$PROJECT_PACKAGES_DIR/tool-avrdude/avrdude.conf
+  -p$BOARD_MCU
+  -PCOM3
+  -cstk500
+  -e
+; Avrdude upload command
+upload_command = avrdude $UPLOAD_FLAGS -U flash:w:$SOURCE:i
+
+
 
 lib_deps = 883 #Servo