serial.c

来自「ATmega8实现USB接口（采用USB的CDC类」· C语言 代码 · 共 17 行

#include <avr/io.h>
#include <avr/interrupt.h>
#include "serial.h"
#include "hardware.h"

#if ENABLE_DEBUG_INTERFACE
ringBuffer_t    serialRingBuffer;

SIGNAL(SIG_UART_RECV)  /* runs with global interrupts enabled */
{
    uchar data = UDR;
    ringBufferWrite(&serialRingBuffer, data);
}
#endif