2011-11-27 04:41 PM
Hello all ,
I have got my STM8L-Discovery board couple of week ago. I have written a serial communication (RS232 three wire (TX,RX,Gnd) ) program to talk to the STM8L-Discovery. I encounter strange problem as follows: whenever I start to use my program to send text to STM8L -discovery , the text is not received at all. The program had been verified using hyper-terminal .... OK Here is the strange part . Whenever I open the hyper-terminal to talk to the STM8L and then close it. I relaunch my program it will work perfectly with STM8L as long as I do not reset the STM8L board . In case of reset, i need to open and close the hyper-terminal first , then launch my progam .. Any help ? Can Any one tell me what wrong ... both program / STM8L program are tested OK with Hyperterminal . I do not know what Hyperterminal do that is different from what my program does ... Opening and closing the Hyperterminal seem to ''set'' the STM8L in correct mode .... kindly advise #rs232 #serial #stm8l #usart