Zero Serial Ports

Official Hardware Classic Zero
1

Purchased a Zero .. having issues w/serial communication

loaded SerialEvent example

when using programming USB port note activity w/ keystrokes e.g. debug LED flashes but no chars sent to serial monitor.

modified code to address SerialUSB and connected via native port .. still no response in serial monitor

attempted to debug via Atmel Studio .. same .. though I'm aware there is some conflict w/ port assigns w / debug and serial com, I've tried various debug com settings with no success ..

attempted stand alone terminal emulator .. same ..

I've noted a number of discussions in the forum w/ regard to difficulties w/ serial ports on Zero .. unfortunately it seems if folks have found a resolve ... they've not made it known (leastwise I've yet to find it)

any suggestions would be greatly appreciated !!!

2

It seems unlikely that serial would be completely broken on Zero.
What are you using to send serial data? It looks like the SerialEvent example doesn't actually send anything until it receives a newline ("\n" - linefeed - ctrl-J) - are you actually sending a linefeed? Most terminal emulators will send return ("\r" - ctrl-M) when you hit the enter key, and the Arduino "Serial Monitor" defaults to not sending any line terminator at all...

3

THX westfw ..

Used both Serial monitor and term ensuring newline was sent ..

Now the bizarre part ..

I also have WiFi Shield 101 .. attached it and loaded example WPA code ..

Serial I/O now works .. the code for both example w/ regard to serial is the same .. save \n

I hate fixing something and not understanding why .. though I'll be revisiting how \n is parsed in the example code.

THANKS AGAIN !!!