基础版本
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bathfire
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/*C*****************************************************************************
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* NAME: time_count.c
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*-------------------------------------------------------------------------------
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* RELEASE:
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* REVISION: 1.0
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*******************************************************************************/
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/*_____ I N C L U D E S ______________________________________________________*/
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#include "config.h" //全局声明
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void delay(unsigned int Counter)
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{
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unsigned int i;
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for (; Counter != 0; Counter--)
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{
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i = 55; // 经示波器测试，精度1%
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while (i--)
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;
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}
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}
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/*_____ M A C R O S __________________________________________________________*/
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/****************************************************
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函数名：TimerTask
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功能 ：定时器初始化（主定时器，timer2）1ms
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参数 ：无
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返回值：无
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****************************************************/
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void Timer_Init(void)
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{
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u8 i = 0, j = 0;
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); // 开TIM2时钟
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/*TIM2*/
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TIM_TimeBaseStructure.TIM_Prescaler = 168 - 1; // 分频系数1000k
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; // 计数方式
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TIM_TimeBaseStructure.TIM_Period = 1000 - 1; // 计数上限 10ms 100hz
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TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; // 时钟选裕：系统时钟
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TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); // TIM2时基初始化
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/***********************/
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TXHData.Timer_Num_Top = 0; // 初始化定时器数目
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/***************初始化定时器组*******************/
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for (i = 0; i < 4; i++)
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{
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.MDRestartTimer[i];
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.MBCountTimer[i];
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.MBCountRXIDLETimer[i];
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.MD_FramContinuityTimer[i];
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TXHData.Timer_Num_Top++;
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for (j = 0; j < 16; j++)
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{
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.MD_Port_Info[i].GunInfo[j].LTDelayTimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.MD_Port_Info[i].FatherDevice[j].LTDelayTimer;
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TXHData.Timer_Num_Top++;
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}
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}
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.POSCutTimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.HeartbeatTimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.POS_RS232Timer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.ReSendDataTimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.GPSDataTimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.AnalogTimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.CTIMEReadTimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.MD_LORA_SlaveTimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.KeyFindTimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.POSReLinkTimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.MD_MultiplexRXIDLETimer;
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TXHData.Timer_Num_Top++;
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.MD_MultiplexTimer;
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TXHData.Timer_Num_Top++;
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for (i = 0; i < 5; i++)
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{
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.MD_Multiplex_Port_Info.MultiplexDevicerTimer[i];
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TXHData.Timer_Num_Top++;
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}
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TXHData.Timer_Buff[TXHData.Timer_Num_Top] = &TXHData.DelayDetectionTimer;
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TXHData.Timer_Num_Top++;
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TIM_Cmd(TIM2, ENABLE); // 打开TIM2
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TIM_ITConfig(TIM2, TIM_IT_Update, ENABLE); //
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Timer_NVIC_Configuration();
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}
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/****************************************************
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函数名：Timer_NVIC_Configuration
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功能 ：定时器中断配置timer2
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参数 ：无
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返回值：无
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****************************************************/
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void Timer_NVIC_Configuration(void)
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{
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NVIC_InitTypeDef NVIC_InitStructure; // 定义中断配置结构体
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NVIC_InitStructure.NVIC_IRQChannel = TIM2_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 1;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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}
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/****************************************************
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函数名：SYSTimer_IRQHandler
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功能 ：系统定时器中断（主定时器，timer2）10ms
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参数 ：无
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返回值：无
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****************************************************/
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void SYSTimer_IRQHandler(void)
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{
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u8 pTimer = 0;
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if (TIM_GetITStatus(TIM2, TIM_IT_Update) != RESET)
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{
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for (pTimer = 0; pTimer < TXHData.Timer_Num_Top; pTimer++) // 轮训定时器队列
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{
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if (TXHData.Timer_Buff[pTimer]->Init == 1) // 定时器初始化标志
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{
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TXHData.Timer_Buff[pTimer]->Init = 0;
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TXHData.Timer_Buff[pTimer]->ON_OFF = 0;
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TXHData.Timer_Buff[pTimer]->Flag = 0;
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TXHData.Timer_Buff[pTimer]->TimerCount = 0;
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}
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else if (TXHData.Timer_Buff[pTimer]->ON_OFF == 1 && TXHData.Timer_Buff[pTimer]->Flag == 0) // 定时器开启状态,未到时
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{
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TXHData.Timer_Buff[pTimer]->TimerCount += 1; // 如果定时器开启，计数值累加
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if (TXHData.Timer_Buff[pTimer]->TimerCount >= TXHData.Timer_Buff[pTimer]->TimerCountMax) // 判断定时器是否到时
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{
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TXHData.Timer_Buff[pTimer]->Flag = 1; // 置位定时器到时标志
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if (TXHData.Timer_Buff[pTimer]->Cycle == 1) // 定时器循环,清除定时器计数值
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{
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TXHData.Timer_Buff[pTimer]->TimerCount = 0;
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}
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else // 到时不循环，初始化定时器
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{
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TXHData.Timer_Buff[pTimer]->ON_OFF = 0;
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TXHData.Timer_Buff[pTimer]->TimerCount = 0;
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TXHData.Timer_Buff[pTimer]->Cycle = 0;
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}
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}
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}
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}
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}
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TIM_ClearFlag(TIM2, TIM_FLAG_Update);
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}
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@@ -0,0 +1,34 @@
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#ifndef __TIME_COUNT_H_
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#define __TIME_COUNT_H_
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/*H******************************************************************************
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* NAME: time_count.h
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*********************************************************************************/
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//------------------------------------------------------------------------------
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//-------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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typedef struct ///定时器结构体
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{
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u8 Init;
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u8 ON_OFF; //到时标志
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u8 Flag; //到时标志
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u8 Cycle; //循环标志
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u32 TimerCount; //计数值
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u32 TimerCountMax; //计数值
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}timer_TypeDef;
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//变量声明
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//******************************************************************************
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//函数声明
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extern void Timer_Init(void);
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void Timer_NVIC_Configuration(void);
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extern void SYSTimer_IRQHandler(void);
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void delay(unsigned int Counter);
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#endif
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