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Altera_Forum's avatar
Altera_Forum
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15 years ago

RS232 coding problem

Hi all, I require to send/receive a character through the rs232 port, however i only be able to receive character. I had problem with sending the character out. Below is my coding for sending a...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

hello, I have made similar program.

I don't remember exactly what I did.

the code was

-------------------------------------------------------------------

void putUchar(unsigned char str)

{

IOWR_32DIRECT(H55UART_BASE,OFF_TXDATA ,str);

usleep(UART_WAIT); // UART_WAIT is 1000

}

-------------------------------------------------------------------

I think 1msec wait ( for 9600bps) is what you need.

how is it?