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Qiea
2024-12-19 14:06:05 +08:00
parent 1c0f3b676f
commit dcd484c1bd
58 changed files with 14859 additions and 863 deletions
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HARDWARE/TIMER/timer.c Normal file
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#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 STM32F429<32><39><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//<2F><>ʱ<EFBFBD><CAB1><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><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>:2016/1/6
//<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
//////////////////////////////////////////////////////////////////////////////////
extern vu16 USART3_RX_STA;
TIM_HandleTypeDef TIM4_Handler; //<2F><>ʱ<EFBFBD><CAB1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//ͨ<>ö<EFBFBD>ʱ<EFBFBD><CAB1>4<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>4!(<28><>ʱ<EFBFBD><CAB1>4<EFBFBD><34><EFBFBD><EFBFBD>APB1<42>ϣ<EFBFBD>ʱ<EFBFBD><CAB1>ΪHCLK/2)
void TIM4_Init(u16 arr,u16 psc)
{
TIM4_Handler.Instance=TIM4; //ͨ<>ö<EFBFBD>ʱ<EFBFBD><CAB1>4
TIM4_Handler.Init.Prescaler=psc; //<2F><>Ƶϵ<C6B5><CFB5>
TIM4_Handler.Init.CounterMode=TIM_COUNTERMODE_UP; //<2F><><EFBFBD>ϼ<EFBFBD><CFBC><EFBFBD><EFBFBD><EFBFBD>
TIM4_Handler.Init.Period=arr; //<2F>Զ<EFBFBD>װ<EFBFBD><D7B0>ֵ
TIM4_Handler.Init.ClockDivision=TIM_CLOCKDIVISION_DIV1;//ʱ<>ӷ<EFBFBD>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD>
HAL_TIM_Base_Init(&TIM4_Handler);
HAL_TIM_Base_Start_IT(&TIM4_Handler); //ʹ<>ܶ<EFBFBD>ʱ<EFBFBD><CAB1>4<EFBFBD>Ͷ<EFBFBD>ʱ<EFBFBD><CAB1>4<EFBFBD><34><EFBFBD><EFBFBD><EFBFBD>жϣ<D0B6>TIM_IT_UPDATE
}
//<2F><>ʱ<EFBFBD><CAB1><EFBFBD>ײ<EFBFBD><D7B2><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ӣ<EFBFBD><D3A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ȼ<EFBFBD>
//<2F>˺<EFBFBD><CBBA><EFBFBD><EFBFBD>ᱻHAL_TIM_Base_Init()<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef *htim)
{
if(htim->Instance==TIM4)
{
__HAL_RCC_TIM4_CLK_ENABLE(); //ʹ<><CAB9>TIM4ʱ<34><CAB1>
HAL_NVIC_SetPriority(TIM4_IRQn,0,2); //<2F><><EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><D0B6><EFBFBD><EFBFBD>ȼ<EFBFBD><C8BC><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD>ȼ<EFBFBD>0<EFBFBD><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȼ<EFBFBD>2
HAL_NVIC_EnableIRQ(TIM4_IRQn); //<2F><><EFBFBD><EFBFBD>ITM4<4D>ж<EFBFBD>
}
}
//<2F><>ʱ<EFBFBD><CAB1>4<EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void TIM4_IRQHandler(void)
{
HAL_TIM_IRQHandler(&TIM4_Handler);
}
//<2F>ص<EFBFBD><D8B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><CAB1><EFBFBD>жϷ<D0B6><CFB7><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
if(htim==(&TIM4_Handler))
{
USART3_RX_STA|=1<<15; //<2F><><EFBFBD>ǽ<EFBFBD><C7BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
__HAL_TIM_CLEAR_IT(&TIM4_Handler, TIM_IT_UPDATE); // <20><><EFBFBD><EFBFBD>TIM4<4D>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD>жϱ<D0B6>־
HAL_TIM_Base_Stop(&TIM4_Handler); //<2F>ر<EFBFBD>TIM4
}
}