/*---------------------------------------------------------------------*/ /* --- STC MCU Limited ------------------------------------------------*/ /* --- STC 1T Series MCU Demo Programme -------------------------------*/ /* --- Mobile: (86)13922805190 ----------------------------------------*/ /* --- Fax: 86-0513-55012956,55012947,55012969 ------------------------*/ /* --- Tel: 86-0513-55012928,55012929,55012966 ------------------------*/ /* --- Web: www.STCMCU.com --------------------------------------------*/ /* --- Web: www.STCMCUDATA.com ---------------------------------------*/ /* --- QQ: 800003751 -------------------------------------------------*/ /* 如果要在程序中使用此代码,请在程序中注明使用了STC的资料及程序 */ /*---------------------------------------------------------------------*/ /************* 功能说明 ************** 本文件为STC8系列的定时器初始化和中断程序,用户可以在这个文件中修改自己需要的中断程序. ******************************************/ #include "timer.h" //======================================================================== // 函数: u8 Timer_Inilize(u8 TIM, TIM_InitTypeDef *TIMx) // 描述: 定时器初始化程序. // 参数: TIMx: 结构参数,请参考timer.h里的定义. // 返回: 成功返回0, 空操作返回1,错误返回2. // 版本: V1.0, 2012-10-22 //======================================================================== u8 Timer_Inilize(u8 TIM, TIM_InitTypeDef *TIMx) { if(TIM > Timer4) return 1; //空操作 if(TIM == Timer0) { Timer0_Stop(); //停止计数 if(TIMx->TIM_Interrupt == ENABLE) Timer0_InterruptEnable(); //允许中断 else Timer0_InterruptDisable(); //禁止中断 if(TIMx->TIM_Priority > Priority_3) return 2; //错误 Timer0_Priority(TIMx->TIM_Priority); //指定中断优先级(低到高) Priority_0,Priority_1,Priority_2,Priority_3 if(TIMx->TIM_Mode > TIM_16BitAutoReloadNoMask) return 2; //错误 TMOD = (TMOD & ~0x03) | TIMx->TIM_Mode; //工作模式,0: 16位自动重装, 1: 16位定时/计数, 2: 8位自动重装, 3: 不可屏蔽16位自动重装 if(TIMx->TIM_ClkSource == TIM_CLOCK_12T) Timer0_12T(); //12T if(TIMx->TIM_ClkSource == TIM_CLOCK_1T) Timer0_1T(); //1T if(TIMx->TIM_ClkSource == TIM_CLOCK_Ext) Timer0_AsCounter(); //对外计数或分频 else Timer0_AsTimer(); //定时 if(TIMx->TIM_ClkOut == ENABLE) Timer0_CLKO_Enable(); //输出时钟 else Timer0_CLKO_Disable(); //不输出时钟 T0_Load(TIMx->TIM_Value); if(TIMx->TIM_Run == ENABLE) Timer0_Run(); //开始运行 return 0; //成功 } if(TIM == Timer1) { Timer1_Stop(); //停止计数 if(TIMx->TIM_Interrupt == ENABLE) Timer1_InterruptEnable(); //允许中断 else Timer1_InterruptDisable(); //禁止中断 if(TIMx->TIM_Priority > Priority_3) return 2; //错误 Timer1_Priority(TIMx->TIM_Priority); //指定中断优先级(低到高) Priority_0,Priority_1,Priority_2,Priority_3 if(TIMx->TIM_Mode >= TIM_16BitAutoReloadNoMask) return 2; //错误 TMOD = (TMOD & ~0x30) | (TIMx->TIM_Mode<<4); //工作模式,0: 16位自动重装, 1: 16位定时/计数, 2: 8位自动重装, 3: 停止工作 if(TIMx->TIM_ClkSource == TIM_CLOCK_12T) Timer1_12T(); //12T if(TIMx->TIM_ClkSource == TIM_CLOCK_1T) Timer1_1T(); //1T if(TIMx->TIM_ClkSource == TIM_CLOCK_Ext) Timer1_AsCounter(); //对外计数或分频 else Timer1_AsTimer(); //定时 if(TIMx->TIM_ClkOut == ENABLE) Timer1_CLKO_Enable(); //输出时钟 else Timer1_CLKO_Disable(); //不输出时钟 T1_Load(TIMx->TIM_Value); if(TIMx->TIM_Run == ENABLE) Timer1_Run(); //开始运行 return 0; //成功 } if(TIM == Timer2) //Timer2,固定为16位自动重装, 中断无优先级 { Timer2_Stop(); //停止计数 if(TIMx->TIM_Interrupt == ENABLE) Timer2_InterruptEnable(); //允许中断 else Timer2_InterruptDisable(); //禁止中断 if(TIMx->TIM_ClkSource > TIM_CLOCK_Ext) return 2; if(TIMx->TIM_ClkSource == TIM_CLOCK_12T) Timer2_12T(); //12T if(TIMx->TIM_ClkSource == TIM_CLOCK_1T) Timer2_1T(); //1T if(TIMx->TIM_ClkSource == TIM_CLOCK_Ext) Timer2_AsCounter(); //对外计数或分频 else Timer2_AsTimer(); //定时 if(TIMx->TIM_ClkOut == ENABLE) Timer2_CLKO_Enable(); //输出时钟 else Timer2_CLKO_Disable(); //不输出时钟 T2_Load(TIMx->TIM_Value); if(TIMx->TIM_Run == ENABLE) Timer2_Run(); //开始运行 return 0; //成功 } if(TIM == Timer3) //Timer3,固定为16位自动重装, 中断无优先级 { Timer3_Stop(); //停止计数 if(TIMx->TIM_Interrupt == ENABLE) Timer3_InterruptEnable(); //允许中断 else Timer3_InterruptDisable(); //禁止中断 if(TIMx->TIM_ClkSource > TIM_CLOCK_Ext) return 2; if(TIMx->TIM_ClkSource == TIM_CLOCK_12T) Timer3_12T(); //12T if(TIMx->TIM_ClkSource == TIM_CLOCK_1T) Timer3_1T(); //1T if(TIMx->TIM_ClkSource == TIM_CLOCK_Ext) Timer3_AsCounter(); //对外计数或分频 else Timer3_AsTimer(); //定时 if(TIMx->TIM_ClkOut == ENABLE) Timer3_CLKO_Enable(); //输出时钟 else Timer3_CLKO_Disable(); //不输出时钟 T3_Load(TIMx->TIM_Value); if(TIMx->TIM_Run == ENABLE) Timer3_Run(); //开始运行 return 0; //成功 } if(TIM == Timer4) //Timer3,固定为16位自动重装, 中断无优先级 { Timer4_Stop(); //停止计数 if(TIMx->TIM_Interrupt == ENABLE) Timer4_InterruptEnable(); //允许中断 else Timer4_InterruptDisable(); //禁止中断 if(TIMx->TIM_ClkSource > TIM_CLOCK_Ext) return 2; if(TIMx->TIM_ClkSource == TIM_CLOCK_12T) Timer4_12T(); //12T if(TIMx->TIM_ClkSource == TIM_CLOCK_1T) Timer4_1T(); //1T if(TIMx->TIM_ClkSource == TIM_CLOCK_Ext) Timer4_AsCounter(); //对外计数或分频 else Timer4_AsTimer(); //定时 if(TIMx->TIM_ClkOut == ENABLE) Timer4_CLKO_Enable(); //输出时钟 else Timer4_CLKO_Disable(); //不输出时钟 T4_Load(TIMx->TIM_Value); if(TIMx->TIM_Run == ENABLE) Timer4_Run(); //开始运行 return 0; //成功 } return 2; //错误 }