timer0.h

来自「AVR Mega88 + nRF24L01 wireless 2.4GHz 」· C头文件 代码 · 共 18 行

#ifndef _TIMER0_H_
#define _TIMER0_H_

static unsigned int milseconds;      
//static unsigned int int_count;  

#define INTS_PER_milSECOND  22  

//   16000000/1024 = 15625
//   Fosc / second  =  1/15625 = 64us
//   caculate 1ms reload (1/1000)/64us = 0.001/(85*10-6) = 15.6 ~ 16
//   TCNT0 = 16 for timer0 count 1ms                          

extern volatile unsigned int CountMilliseconds;
extern void Timer0_Init(void);

#endif