Quote Originally Posted by Felch View Post
Serial string "ID xxxxxx" is output on GPIO0 if GPIO1 is at high level (enable pin). Taking GPIO1 low will disable output. Output speed is 4800 bd.
I've been carefully trying to decipher your code and am quite pleased I seem to be following most of it, however, when I examine your send_rs232 routine, it looks to me like it only outputs "ID xxxx". i.e. 4 digits - not 5 as one might expect (00000 - 65535). Am I missing something?