update.c

AVRGCC编写的很好用的串口通讯源程序

#include "uart.h"
#include "display.h"

void
UpdateRun(void)
{
	unsigned char c;
	static unsigned char return_received;
	
	while(1)
	{
		c = UartGetc();
		
		if ('\r' == c)
		{
			update_buffer[update_count] = 0;
			DisplayUpdate(update_text);
		}
		else
		{
			update_buffer[update_count] = c;
			if (++update_count == LED_BUFFER_SIZE)
			{
				update_count = 0;
			}
		}
	}
}