| 0,0 → 1,60 |
|---|
| /***************************************************************************** |
| |
| *****************************************************************************/ |
| #include "main.h" |
| |
| volatile unsigned int CountMilliseconds = 0; |
| volatile unsigned char Timer0Overflow; |
| volatile unsigned int flag10ms; |
| |
| enum { |
| STOP = 0, |
| CK = 1, |
| CK8 = 2, |
| CK64 = 3, |
| CK256 = 4, |
| CK1024 = 5, |
| T0_FALLING_EDGE = 6, |
| T0_RISING_EDGE = 7 |
| }; |
| |
| |
| SIGNAL(SIG_OVERFLOW0) |
| { |
| static unsigned char cnt=0; |
| |
| Timer0Overflow++; |
| if(!cnt--) |
| { |
| cnt = 3; |
| CountMilliseconds += 1; |
| if(!(CountMilliseconds % 10)) { |
| flag10ms = 1; |
| } |
| } |
| } |
| |
| |
| void Timer_Init(void) |
| { |
| TCCR0 = CK8; |
| TIM0_START; |
| } |
| |
| |
| unsigned int SetDelay(unsigned int t) |
| { |
| return(CountMilliseconds + t - 1); |
| } |
| |
| char CheckDelay (unsigned int t) |
| { |
| return(((t - CountMilliseconds) & 0x8000) >> 8); |
| } |
| |
| void Delay_ms(unsigned int w) |
| { |
| unsigned int akt; |
| akt = SetDelay(w); |
| while (!CheckDelay(akt)); |
| } |