V2.2
This commit is contained in:
@@ -0,0 +1,117 @@
|
||||
/********************************** (C) COPYRIGHT *******************************
|
||||
* File Name : main.c
|
||||
* Author : WCH
|
||||
* Version : V1.0.0
|
||||
* Date : 2024/08/23
|
||||
* Description : Main program body.
|
||||
*********************************************************************************
|
||||
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
|
||||
* Attention: This software (modified or not) and binary are used for
|
||||
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
|
||||
*******************************************************************************/
|
||||
|
||||
/*
|
||||
*@Note
|
||||
*TIMER_INT
|
||||
*MODE 1 Timer count triggers update interrupt. Updata_time = psc*arr*RepetitionCounter/system
|
||||
*MODE 2 generates an update event and triggers an update interrupt.
|
||||
*
|
||||
*/
|
||||
|
||||
#include "debug.h"
|
||||
|
||||
/* Mode Definition */
|
||||
#define MODE1 0
|
||||
#define MODE2 1
|
||||
|
||||
/* Mode Selection */
|
||||
#define MODE MODE1
|
||||
//#define MODE MODE2
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM1_UP_IRQHandler
|
||||
*
|
||||
* @brief This function handles TIM1 UP exception.
|
||||
*
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM1_UP_IRQHandler(void) __attribute__((interrupt("WCH-Interrupt-fast")));
|
||||
void TIM1_UP_IRQHandler(void)
|
||||
{
|
||||
if(TIM_GetITStatus(TIM1, TIM_IT_Update)==SET)
|
||||
{
|
||||
printf("--------updata\r\n");
|
||||
}
|
||||
TIM_ClearITPendingBit( TIM1, TIM_IT_Update );
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn TIM1_INT_Init
|
||||
*
|
||||
* @brief Initializes TIM1 output compare.
|
||||
*
|
||||
* @param arr - the period value.
|
||||
* psc - the prescaler value.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
void TIM1_INT_Init( u16 arr, u16 psc)
|
||||
{
|
||||
|
||||
NVIC_InitTypeDef NVIC_InitStructure={0};
|
||||
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure={0};
|
||||
|
||||
RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE );
|
||||
|
||||
TIM_TimeBaseInitStructure.TIM_Period = arr;
|
||||
TIM_TimeBaseInitStructure.TIM_Prescaler = psc;
|
||||
TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
|
||||
TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
|
||||
TIM_TimeBaseInitStructure.TIM_RepetitionCounter = 50;
|
||||
TIM_TimeBaseInit( TIM1, &TIM_TimeBaseInitStructure);
|
||||
|
||||
TIM_ClearITPendingBit( TIM1, TIM_IT_Update );
|
||||
|
||||
NVIC_InitStructure.NVIC_IRQChannel =TIM1_UP_IRQn;
|
||||
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority =0;
|
||||
NVIC_InitStructure.NVIC_IRQChannelSubPriority =1;
|
||||
NVIC_InitStructure.NVIC_IRQChannelCmd =ENABLE;
|
||||
NVIC_Init(&NVIC_InitStructure);
|
||||
|
||||
TIM_ITConfig(TIM1, TIM_IT_Update, ENABLE);
|
||||
|
||||
}
|
||||
|
||||
/*********************************************************************
|
||||
* @fn main
|
||||
*
|
||||
* @brief Main program.
|
||||
*
|
||||
* @return none
|
||||
*/
|
||||
int main(void)
|
||||
{
|
||||
SystemCoreClockUpdate();
|
||||
Delay_Init();
|
||||
#if (SDI_PRINT == SDI_PR_OPEN)
|
||||
SDI_Printf_Enable();
|
||||
#else
|
||||
USART_Printf_Init(115200);
|
||||
#endif
|
||||
printf("SystemClk:%d\r\n",SystemCoreClock);
|
||||
printf( "ChipID:%08x\r\n", DBGMCU_GetCHIPID() );
|
||||
|
||||
TIM1_INT_Init( 200-1, 48000-1);
|
||||
#if(MODE==MODE1)
|
||||
|
||||
TIM_Cmd( TIM1, ENABLE );//5S
|
||||
|
||||
#elif(MODE==MODE2)
|
||||
|
||||
TIM_GenerateEvent(TIM1, TIM_IT_Update);
|
||||
|
||||
#endif
|
||||
|
||||
while(1);
|
||||
}
|
||||
Reference in New Issue
Block a user