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sensor_2026/HARDWARE/TIMER/timer.c

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初步功能已经加全了
2026-02-09 11:14:38 +08:00
#include "timer.h"
#include "led.h"
//////////////////////////////////////////////////////////////////////////////////
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32F407<30><37><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><>ʱ<EFBFBD><CAB1> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2014/5/4
//<2F>汾<EFBFBD><E6B1BE>V1.0
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2014-2024
//All rights reserved
//////////////////////////////////////////////////////////////////////////////////
基本功能加全了
2026-02-09 17:29:30 +08:00
void TIM1_PWM_Init(u16 arr,u16 psc)
{
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1,ENABLE); ///ʹ<><CAB9>TIM1ʱ<31><CAB1>
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOE,ENABLE);
GPIO_PinAFConfig(GPIOE,GPIO_PinSource9,GPIO_AF_TIM1);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_9;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOE,&GPIO_InitStructure);
GPIO_ResetBits(GPIOE, GPIO_Pin_9);
TIM_TimeBaseInitStructure.TIM_Period = arr; //<2F>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD><D7B0>ֵ
TIM_TimeBaseInitStructure.TIM_Prescaler=psc; //<2F><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>Ƶ
TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //<2F><><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD>ģʽ
TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1;
TIM_TimeBaseInit(TIM1,&TIM_TimeBaseInitStructure);//<2F><>ʼ<EFBFBD><CABC>TIM3
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OCInitStructure.TIM_Pulse = 100;
TIM_OC1Init(TIM1, &TIM_OCInitStructure);
TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable);
TIM_ARRPreloadConfig(TIM1,ENABLE);
//TIM_Cmd(TIM3, ENABLE);
}
//<2F><>ʱ<EFBFBD><CAB1>3<EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void TIM1_IRQHandler(void)
{
}
初步功能已经加全了
2026-02-09 11:14:38 +08:00
void TIM2_Int_Init(u16 arr,u16 psc)
{
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
NVIC_InitTypeDef NVIC_InitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE); ///ʹ<><CAB9>TIM3ʱ<33><CAB1>
TIM_TimeBaseInitStructure.TIM_Period = arr; //<2F>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD><D7B0>ֵ
TIM_TimeBaseInitStructure.TIM_Prescaler=psc; //<2F><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>Ƶ
TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //<2F><><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD>ģʽ
TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1;
TIM_TimeBaseInit(TIM2,&TIM_TimeBaseInitStructure);//<2F><>ʼ<EFBFBD><CABC>TIM3
TIM_ITConfig(TIM2,TIM_IT_Update,ENABLE); //<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1>3<EFBFBD><33><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
TIM_Cmd(TIM2,ENABLE); //ʹ<>ܶ<EFBFBD>ʱ<EFBFBD><CAB1>3
NVIC_InitStructure.NVIC_IRQChannel=TIM2_IRQn; //<2F><>ʱ<EFBFBD><CAB1>3<EFBFBD>ж<EFBFBD>
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority=0x01; //<2F><>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>1
NVIC_InitStructure.NVIC_IRQChannelSubPriority=0x03; //<2F><><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>3
NVIC_InitStructure.NVIC_IRQChannelCmd=ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
u8 led_flag=0;
u16 index=0;
extern u16 real_dis_data[6];
extern u16 real_dis_data_bak[6];
extern u8 double_buffer_flag;
//<2F><>ʱ<EFBFBD><CAB1>3<EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void TIM2_IRQHandler(void)
{
char vcm_cmd[16];
if(TIM_GetITStatus(TIM2,TIM_IT_Update)==SET) //<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD>
{
#if 1
if(led_flag == 0)
{
GPIO_SetBits(GPIOE, GPIO_Pin_0);
led_flag = 1;
TIM_ClearITPendingBit(TIM2,TIM_IT_Update); //<2F><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־λ
return;
}
if(led_flag == 1)
{
GPIO_ResetBits(GPIOE, GPIO_Pin_0);
led_flag = 0;
TIM_ClearITPendingBit(TIM2,TIM_IT_Update); //<2F><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־λ
return;
}
#endif
#if 0
sprintf(vcm_cmd,VCM_DISPLACE_CMD,real_dis_data[index]);
usart_send(USART3, vcm_cmd);
usart_send(USART3, START_MACRO_NUM);
TIM_ClearITPendingBit(TIM2,TIM_IT_Update); //<2F><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־λ
return;
#endif
#if 0
if(led_flag == 0)
{
sprintf(vcm_cmd,VCM_DISPLACE_CMD,real_dis_data[index]);
usart_send(USART3, vcm_cmd);
usart_send(USART3, START_MACRO_NUM);
index++;
TIM_ClearITPendingBit(TIM2,TIM_IT_Update); //<2F><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־λ
return;
}
if(led_flag == 1)
{
sprintf(vcm_cmd,VCM_DISPLACE_CMD,real_dis_data_bak[index]);
usart_send(USART3, vcm_cmd);
usart_send(USART3, START_MACRO_NUM);
TIM_ClearITPendingBit(TIM2,TIM_IT_Update); //<2F><><EFBFBD><EFBFBD><EFBFBD>жϱ<D0B6>־λ
return;
}
if(index > 199 && led_flag == 0)
{
index = 0;
led_flag = 1;
double_buffer_flag = 0;
usart_send(USART1, "laishuju");
}
if(index > 199 && led_flag == 1)
{
index = 0;
led_flag = 0;
double_buffer_flag = 1;
usart_send(USART1, "laishuju");
}
#endif
}
}
基本功能加全了
2026-02-09 17:29:30 +08:00
void TIM2_PWM_Init(u16 arr,u16 psc)
{
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE); ///ʹ<><CAB9>TIM1ʱ<31><CAB1>
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB,ENABLE);
GPIO_PinAFConfig(GPIOB,GPIO_PinSource3,GPIO_AF_TIM1);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_3;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOB,&GPIO_InitStructure);
GPIO_ResetBits(GPIOB, GPIO_Pin_9);
TIM_TimeBaseInitStructure.TIM_Period = arr; //<2F>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD><D7B0>ֵ
TIM_TimeBaseInitStructure.TIM_Prescaler=psc; //<2F><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>Ƶ
TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //<2F><><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD>ģʽ
TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1;
TIM_TimeBaseInit(TIM2,&TIM_TimeBaseInitStructure);//<2F><>ʼ<EFBFBD><CABC>TIM3
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OCInitStructure.TIM_Pulse = 100;
TIM_OC1Init(TIM2, &TIM_OCInitStructure);
TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Enable);
TIM_ARRPreloadConfig(TIM2,ENABLE);
//TIM_Cmd(TIM3, ENABLE);
}
初步功能已经加全了
2026-02-09 11:14:38 +08:00
//ͨ<>ö<EFBFBD>ʱ<EFBFBD><CAB1>3<EFBFBD>жϳ<D0B6>ʼ<EFBFBD><CABC>
//arr<72><72><EFBFBD>Զ<EFBFBD><D4B6><EFBFBD>װֵ<D7B0><D6B5>
//psc<73><63>ʱ<EFBFBD><CAB1>Ԥ<EFBFBD><D4A4>Ƶ<EFBFBD><C6B5>
//<2F><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD>㷽<EFBFBD><E3B7BD>:Tout=((arr+1)*(psc+1))/Ft us.
//Ft=<3D><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD><C6B5>,<2C><>λ:Mhz
//<2F><><EFBFBD><EFBFBD>ʹ<EFBFBD>õ<EFBFBD><C3B5>Ƕ<EFBFBD>ʱ<EFBFBD><CAB1>3!
void TIM3_PWM_Init(u16 arr,u16 psc)
{
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3,ENABLE); ///ʹ<><CAB9>TIM3ʱ<33><CAB1>
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA,ENABLE);
GPIO_PinAFConfig(GPIOA,GPIO_PinSource6,GPIO_AF_TIM3);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOA,&GPIO_InitStructure);
GPIO_ResetBits(GPIOA, GPIO_Pin_6);
TIM_TimeBaseInitStructure.TIM_Period = arr; //<2F>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD><D7B0>ֵ
TIM_TimeBaseInitStructure.TIM_Prescaler=psc; //<2F><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>Ƶ
TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //<2F><><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD>ģʽ
TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1;
TIM_TimeBaseInit(TIM3,&TIM_TimeBaseInitStructure);//<2F><>ʼ<EFBFBD><CABC>TIM3
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OCInitStructure.TIM_Pulse = 100;
TIM_OC1Init(TIM3, &TIM_OCInitStructure);
TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Enable);
TIM_ARRPreloadConfig(TIM3,ENABLE);
//TIM_Cmd(TIM3, ENABLE);
}
//<2F><>ʱ<EFBFBD><CAB1>3<EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void TIM3_IRQHandler(void)
{
}
基本功能加全了
2026-02-09 17:29:30 +08:00
void TIM4_PWM_Init(u16 arr,u16 psc)
{
GPIO_InitTypeDef GPIO_InitStructure;
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
TIM_OCInitTypeDef TIM_OCInitStructure;
RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4,ENABLE); ///ʹ<><CAB9>TIM3ʱ<33><CAB1>
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOD,ENABLE);
GPIO_PinAFConfig(GPIOD,GPIO_PinSource15,GPIO_AF_TIM3);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_15;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_100MHz;
GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
GPIO_Init(GPIOD,&GPIO_InitStructure);
GPIO_ResetBits(GPIOD, GPIO_Pin_15);
TIM_TimeBaseInitStructure.TIM_Period = arr; //<2F>Զ<EFBFBD><D4B6><EFBFBD>װ<EFBFBD><D7B0>ֵ
TIM_TimeBaseInitStructure.TIM_Prescaler=psc; //<2F><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD>Ƶ
TIM_TimeBaseInitStructure.TIM_CounterMode=TIM_CounterMode_Up; //<2F><><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD>ģʽ
TIM_TimeBaseInitStructure.TIM_ClockDivision=TIM_CKD_DIV1;
TIM_TimeBaseInit(TIM4,&TIM_TimeBaseInitStructure);//<2F><>ʼ<EFBFBD><CABC>TIM3
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
TIM_OCInitStructure.TIM_Pulse = 100;
TIM_OC1Init(TIM4, &TIM_OCInitStructure);
TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable);
TIM_ARRPreloadConfig(TIM4,ENABLE);
//TIM_Cmd(TIM3, ENABLE);
}
//<2F><>ʱ<EFBFBD><CAB1>3<EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void TIM4_IRQHandler(void)
{
}