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motorcontroll/mycode/timer.c
徐青宇 21bc991c48 交给生产
2023-03-23 17:00:05 +08:00

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/*---------------------------------------------------------------------*/
/* --- 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"
#include "GPIO.h"
#include "common.h"
u32 timex;
static u16 displaytime = 0;
u8 displaydata = 0;
/********************* Timer0中断函数************************/
void timer0_int(void) interrupt TIMER0_VECTOR
{
if (sunmode == 3)
{
if (timex <= 4000 << subdivision3)
DIR = 0;
}
if (timex <= 0)
timex = 0;
else
{
if (pog == 1)
{
timex--;
PUL = ~PUL;
}
}
}
/********************* Timer1中断函数************************/
void timer1_int(void) interrupt TIMER1_VECTOR
{
}
/********************* Timer2中断函数************************/
void timer2_int(void) interrupt TIMER2_VECTOR
{
displaytime++;
if (displaytime >= 200)
{
if (DIR)
{
if (displaydata >= 7)
displaydata = 0;
else
displaydata++;
}
else
{
if (displaydata <= 0)
displaydata = 7;
else
displaydata--;
}
displaytime = 0;
}
if (keyflag)
keytime++;
else
keytime = 0;
}
/********************* Timer3中断函数************************/
void timer3_int(void) interrupt TIMER3_VECTOR
{
}
/********************* Timer4中断函数************************/
void timer4_int(void) interrupt TIMER4_VECTOR
{
}
//========================================================================
// 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
}
/************************ ?¨?±?÷???? ****************************/
void Timer_config(void)
{
TIM_InitTypeDef TIM_InitStructure; //?á???¨??
TIM_InitStructure.TIM_Mode = TIM_16BitAutoReload; //???¨?¤×÷????, TIM_16BitAutoReload,TIM_16Bit,TIM_8BitAutoReload,TIM_16BitAutoReloadNoMask
TIM_InitStructure.TIM_Priority = Priority_0; //???¨??????????(??????) Priority_0,Priority_1,Priority_2,Priority_3
TIM_InitStructure.TIM_Interrupt = ENABLE; //??????·????í, ENABLE?òDISABLE
TIM_InitStructure.TIM_ClkSource = TIM_CLOCK_1T; //???¨?±????, TIM_CLOCK_1T,TIM_CLOCK_12T,TIM_CLOCK_Ext
TIM_InitStructure.TIM_ClkOut = DISABLE; //??·?????????????, ENABLE?òDISABLE
TIM_InitStructure.TIM_Value = 65536UL - (MAIN_Fosc / 100000UL); //????,
TIM_InitStructure.TIM_Run = ENABLE; //??·????????ó?????¨?±?÷, ENABLE?òDISABLE
Timer_Inilize(Timer0, &TIM_InitStructure); //??????Timer0 Timer0,Timer1,Timer2,Timer3,Timer4
TIM_InitStructure.TIM_ClkSource = TIM_CLOCK_1T; //???¨?±????, TIM_CLOCK_1T,TIM_CLOCK_12T,TIM_CLOCK_Ext
TIM_InitStructure.TIM_ClkOut = DISABLE; //??·?????????????, ENABLE?òDISABLE
TIM_InitStructure.TIM_Value = 65536UL - (MAIN_Fosc / 1000UL); //????,
TIM_InitStructure.TIM_Run = ENABLE; //??·????????ó?????¨?±?÷, ENABLE?òDISABLE
Timer_Inilize(Timer2, &TIM_InitStructure);
}
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