I use arduino_debug to upload my sketch to an Arduino Mega 2560 and to an Arduino Due from my application (Windows).
I saw the following issue:
When JAVA is not installed or it was installed only after the Arduino SW installation, the command:
arduino_debug --port COM6 --upload mysketch.ino
doesn't successfully to upload the sketch. My Arduino is connected to COM6 (I verified it) and the sketch's path is correct.
I got the following output:
Initializing packages...
Preparing boards...
Verifying...
Sketch uses 6222 bytes (19%) of program storage space. Maximum is 32256 bytes.
Global variables use 318 bytes (15%) of dynamic memory, leaving 1730 bytes for local variables. Maximum is 2048 bytes.
Uploading...
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 1 of 10: not in sync: resp=0x87
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 2 of 10: not in sync: resp=0x87
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 3 of 10: not in sync: resp=0x87
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 4 of 10: not in sync: resp=0x87
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 5 of 10: not in sync: resp=0x87
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 6 of 10: not in sync: resp=0x87
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 7 of 10: not in sync: resp=0x87
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 8 of 10: not in sync: resp=0x87
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 9 of 10: not in sync: resp=0x87
An error occurred while uploading the sketch
avrdude: stk500_recv(): programmer is not responding
avrdude: stk500_getsync() attempt 10 of 10: not in sync: resp=0x87
Has anyone seen this issue? Does anyone know why JAVA must be installed?
arduino_debug.exeis a build of Arduino IDE to debug the Arduino IDE. So normally you should usearduino.execommand for CLI too. The Arduino IDE is a Java application. It has Java bundled in installation. In your case I would guess that the reset of the board is not invoked for some Java related reason.