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62 lines
1.2 KiB
62 lines
1.2 KiB
3 years ago
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#include "timer.h"
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#include "led.h"
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#include "wifi.h"
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#include "math.h"
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#include "encoder.h"
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extern char smog_value_buf[7];
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extern char temp_value_buf[7];
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extern char beam_value_buf[7];
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extern struct UserInfo userInfo;
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void TIM3_Int_Init(u16 arr,u16 psc)
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{
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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);
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TIM_TimeBaseStructure.TIM_Period = arr;
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TIM_TimeBaseStructure.TIM_Prescaler =psc;
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TIM_TimeBaseStructure.TIM_ClockDivision = 0;
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up;
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TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure);
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TIM_ITConfig(
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TIM3,
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TIM_IT_Update ,
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ENABLE
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);
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NVIC_InitStructure.NVIC_IRQChannel = TIM3_IRQn;
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NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 3;
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NVIC_InitStructure.NVIC_IRQChannelSubPriority = 3;
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NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
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NVIC_Init(&NVIC_InitStructure);
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TIM_Cmd(TIM3, ENABLE);
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}
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void TIM3_IRQHandler(void)
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{
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if (TIM_GetITStatus(TIM3, TIM_IT_Update) != RESET)
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{
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userInfo.currentSpeed = Read_Encoder(2);
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TIM_ClearITPendingBit(TIM3, TIM_IT_Update);
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}
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}
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