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124 lines
4.0 KiB
C
124 lines
4.0 KiB
C
#include "bsp_timer3.h"
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/*如果Period=N*10，那么每隔N毫秒中断一次。*/
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void BSP_Timer3Init(void){
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure;
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NVIC_InitTypeDef NVIC_InitStructure;
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RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); //时钟使能
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TIM_TimeBaseStructure.TIM_Period = 9; //设置在下一个更新事件装入活动的自动重装载寄存器周期的值 计数到N*10为Nms
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TIM_TimeBaseStructure.TIM_Prescaler =(7200-1); //设置用来作为TIMx时钟频率除数的预分频值 10Khz的计数频率
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TIM_TimeBaseStructure.TIM_ClockDivision = 0; //设置时钟分割:TDTS = Tck_tim
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIM向上计数模式
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TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); //根据TIM_TimeBaseInitStruct中指定的参数初始化TIMx的时间基数单位
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TIM_ITConfig( //使能或者失能指定的TIM中断
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TIM3, //TIM3
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TIM_IT_Update| //TIM 中断源
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TIM_IT_Trigger,//TIM 触发中断源
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ENABLE //使能
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);
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/*配置中断优先级*/
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NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn; //TIM3中断
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0; //先占优先级0级
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3; //从优先级3级
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; //IRQ通道被使能
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NVIC_Init(&NVIC_InitStructure);//根据NVIC_InitStruct中指定的参数初始化外设NVIC寄存器
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TIM_Cmd(TIM3, ENABLE); //使能TIMx外设
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}
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uint16_t UART2Count = 0;
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uint8_t UART2RecTime = 0;
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uint16_t UART3Count = 0;
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uint8_t UART3RecTime = 0;
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void TIM3_IRQHandler(void) //TIM3中断服务程序
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{
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if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)//检查指定的TIM中断发生与否
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{
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TIM_ClearITPendingBit(TIM3,TIM_IT_Update); //清除TIMx的中断标志位
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// 串口2接收判断
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if((UART2ReadFlag!=0)&&(!(UART2ReadFlag&0x8000)))
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{
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if(UART2RecTime<=200)
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UART2RecTime++;
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if(UART2RecTime >= 20)
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{
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if(UART2Count == UART2ReadFlag)
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{
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UART2ReadFlag |= (1 << 15);
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UART2Count = 0;
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UART2RecTime = 0;
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}
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else
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{
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UART2Count = UART2ReadFlag;
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UART2RecTime = 0;
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}
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}
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}
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else { UART2RecTime = 0; UART2Count = 0; }
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// 串口3接收判断
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if((UART3ReadFlag!=0)&&(!(UART3ReadFlag&0x8000)))
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{
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if(UART3RecTime <= 100)
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UART3RecTime++;
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if(UART3RecTime >= 20)
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{
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if(UART3Count == UART3ReadFlag)
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{
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UART3ReadFlag |= (1 << 15);
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UART3Count = 0;
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UART3RecTime = 0;
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}
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else
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{
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UART3Count = UART3ReadFlag;
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UART3RecTime = 0;
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}
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}
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}
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else { UART3RecTime = 0; UART3Count = 0; }
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// 空气信息获取时间
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if(DevParam.AirInforGetTime<65000)
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DevParam.AirInforGetTime++;
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// 电池图标刷新时间
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if(DevParam.BatIconRefreshTime<65000)
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DevParam.BatIconRefreshTime++;
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// 电池信息获取时间
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if(DevParam.BatInforGetTime<65000)
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DevParam.BatInforGetTime++;
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// 侧边跳动时间
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if(DevParam.SideBeatTime<65000)
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DevParam.SideBeatTime++;
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// 上报到服务器状态时间
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if(DevParam.ServerUpdateTime<65000)
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DevParam.ServerUpdateTime++;
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// 发送时间
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if(DevParam.ESP8266SendTime<65000)
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DevParam.ESP8266SendTime++;
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}
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}
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