- #ifdef FOSC_160000 // if Fsys = 16MHz
-
- #define TIMER_DIV12_VALUE_10us 65536-13 //13*12/16000000 = 10 uS, // Timer divider = 12 for TM0/TM1
- #define TIMER_DIV12_VALUE_100us 65536-130 //130*12/16000000 = 10 uS, // Timer divider = 12
- #define TIMER_DIV12_VALUE_1ms 65536-1334 //1334*12/16000000 = 1 mS, // Timer divider = 12
每个单位为1ms
- void Timer0_Delay1ms(UINT32 u32CNT)
- {
- clr_T0M; //T0M=0, Timer0 Clock = Fsys/12 定时器0 12分频
- TMOD |= 0x01; //Timer0 is 16-bit mode 16位定器/计数器
- set_TR0; //Start Timer0 开启
- while (u32CNT != 0)
- {
- TL0 = LOBYTE(TIMER_DIV12_VALUE_1ms); //Find define in "Function_define.h" "TIMER VALUE"
- TH0 = HIBYTE(TIMER_DIV12_VALUE_1ms); //高8位和低8位设置相应值
- while (TF0 != 1); //Check Timer0 Time-Out Flag 等待溢出
- clr_TF0; //清除溢邮
- u32CNT --;
- }
- clr_TR0; //Stop Timer0 定时器0停止
- }
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