109 lines
4.1 KiB
C
109 lines
4.1 KiB
C
/********************************** (C) COPYRIGHT *******************************
|
|
* File Name : main.c
|
|
* Author : WCH
|
|
* Version : V1.0.0
|
|
* Date : 2021/06/06
|
|
* 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
|
|
Complementary output and deadband insertion mode routines:
|
|
TIM1_CH1(PA8),TIM1_CH1N(PB13)
|
|
This example demonstrates three complementary output modes with dead zone of TIM1: complementary
|
|
output with dead zone insertion, dead zone waveform delay Greater than the negative pulse, the dead
|
|
zone waveform delay is greater than the positive pulse.
|
|
|
|
*/
|
|
|
|
#include "debug.h"
|
|
|
|
/*********************************************************************
|
|
* @fn TIM1_Dead_Time_Init
|
|
*
|
|
* @brief Initializes TIM1 complementary output and dead time.
|
|
*
|
|
* @param arr - the period value.
|
|
* psc - the prescaler value.
|
|
* ccp - the pulse value.
|
|
*
|
|
* @return none
|
|
*/
|
|
void TIM1_Dead_Time_Init(u16 arr, u16 psc, u16 ccp)
|
|
{
|
|
GPIO_InitTypeDef GPIO_InitStructure = {0};
|
|
TIM_OCInitTypeDef TIM_OCInitStructure = {0};
|
|
TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure = {0};
|
|
TIM_BDTRInitTypeDef TIM_BDTRInitStructure = {0};
|
|
|
|
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB | RCC_APB2Periph_TIM1, ENABLE);
|
|
|
|
/* TIM1_CH1 */
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_Init(GPIOA, &GPIO_InitStructure);
|
|
|
|
/* TIM1_CH1N */
|
|
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_13;
|
|
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
|
|
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
|
|
GPIO_Init(GPIOB, &GPIO_InitStructure);
|
|
|
|
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_TimeBaseInit(TIM1, &TIM_TimeBaseInitStructure);
|
|
|
|
TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2;
|
|
TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
|
|
TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;
|
|
TIM_OCInitStructure.TIM_Pulse = ccp;
|
|
TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low;
|
|
TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low;
|
|
TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set;
|
|
TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCNIdleState_Reset;
|
|
TIM_OC1Init(TIM1, &TIM_OCInitStructure);
|
|
|
|
TIM_BDTRInitStructure.TIM_OSSIState = TIM_OSSIState_Disable;
|
|
TIM_BDTRInitStructure.TIM_OSSRState = TIM_OSSRState_Disable;
|
|
TIM_BDTRInitStructure.TIM_LOCKLevel = TIM_LOCKLevel_OFF;
|
|
TIM_BDTRInitStructure.TIM_DeadTime = 0xFF;
|
|
TIM_BDTRInitStructure.TIM_Break = TIM_Break_Disable;
|
|
TIM_BDTRInitStructure.TIM_BreakPolarity = TIM_BreakPolarity_High;
|
|
TIM_BDTRInitStructure.TIM_AutomaticOutput = TIM_AutomaticOutput_Enable;
|
|
TIM_BDTRConfig(TIM1, &TIM_BDTRInitStructure);
|
|
|
|
TIM_CtrlPWMOutputs(TIM1, ENABLE);
|
|
TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Disable);
|
|
TIM_ARRPreloadConfig(TIM1, ENABLE);
|
|
TIM_Cmd(TIM1, ENABLE);
|
|
}
|
|
|
|
/*********************************************************************
|
|
* @fn main
|
|
*
|
|
* @brief Main program.
|
|
*
|
|
* @return none
|
|
*/
|
|
int main(void)
|
|
{
|
|
USART_Printf_Init(115200);
|
|
printf("SystemClk:%d\r\n", SystemCoreClock);
|
|
|
|
/* Complementary output with dead-time insertion */
|
|
TIM1_Dead_Time_Init(100, 48 - 1, 50);
|
|
/* Dead-time waveforms with delay greater than the negative pulse */
|
|
// TIM1_Dead_Time_Init( 100, 48-1, 10 );
|
|
/* Dead-time waveforms with delay greater than the positive pulse. */
|
|
// TIM1_Dead_Time_Init( 100, 48-1, 90 );
|
|
|
|
while(1);
|
|
}
|