本帖最后由 bhsdlmj 于 2012-5-17 09:36 编辑
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-
- #define TMR0_IRQ_INTERVAL_VALUE 1 //单位：毫秒
- #if TMR0_IRQ_INTERVAL_VALUE > 2
- #error "handsome boy, attention: TMR0_IRQ_INTERVAL_VALUE's maximum value is 296/100 ms"
- #endif
- #define TH0_RELOAD_VALUE (65536 - ((INT32U)SYSCLK * TMR0_IRQ_INTERVAL_VALUE) / 1000) / 256
- #define TL0_RELOAD_VALUE (65536 - ((INT32U)SYSCLK * TMR0_IRQ_INTERVAL_VALUE) / 1000) % 256
- /**------------------------------------------------------------
- * @brief This function handles TIM0 interrupt request.
- * @param TF0 is cleared by hardware
- * @retval : None
- --------------------------------------------------------*/
- void TIM0_IRQHandler(void) interrupt PI_Order_TIM0
- {
- __IO INT8U SFRPAGE_SAVE = SFRPAGE;
- SFRPAGE = TIMER01_PAGE;
- TH0 = TH0_RELOAD_VALUE;
- TL0 = TL0_RELOAD_VALUE;
- CBTime_g++;
-
- SFRPAGE = SFRPAGE_SAVE;
- }
- /**-----------------------------------------------
- * @brief TimeIntervalOut
- * @param
- * @note :
- * @retval :
- -------------------------------------------------*/
- BOOLEAN CBTimeDly(INT8U tc, INT16U milli)
- {
- static __IO INT16U ticks[TC_TOTAL + 1] = {0};
- static BOOLEAN time1st_OK = TRUE;
- BOOLEAN timeOut_OK = FALSE;
- INT8U loops = 0;
- if (tc <= TC_TOTAL) {
- CB_UsedTC_标志寄存器_g = (INT16U)((INT16U)CB_UsedTC_标志寄存器_g | (INT16U)((INT16U)(1 << tc)));
-
- if (time1st_OK) {
- time1st_OK = FALSE;
- for (loops = 0; loops <= TC_TOTAL; loops++) {
- ticks[loops] = CBTime_Get();
- }
- }
- else {
- if ((CBTime_Get() - ticks[tc]) >= milli) {
- ticks[tc] = CBTime_Get();
-
- timeOut_OK = TRUE;
- }
- else {
- timeOut_OK = FALSE;
- };
- }
- }
- else {
- timeOut_OK = FALSE;
- }
- return timeOut_OK;
- }
- /**-----------------------------------------------
- * @brief CBTime_Get
- * @param None
- * @note :
- * @retval : None
- -------------------------------------------------*/
- #pragma SAVE
- #pragma OT(0)
- INT16U CBTime_Get(void)
- {
- static __IO INT16U tmp = 0;
- tmp = CBTime_g;
- while (tmp != CBTime_g) {
- tmp = CBTime_g;
- }
- return tmp;
- }
- #pragma RESTORE
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@@@@@@@@@@@@@@@@@@@@@@@
应用 让50个灯以不同的周期闪
//第0通道，10ms
if (CBTimeDly, 0,10) {
//灯1闪
}
//第1通道，17ms
if (CBTimeDly, 1,17) {
//灯2闪
}
//第2通道，8ms
if (CBTimeDly, 2,8) {
//灯3闪
}
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