stm32f103vet6实现移相全桥配置

#include "pwm.h" /** * 函数功能: 配置TIMx复用输出PWM时用到的I/O * 输入参数: 无 * 返 回 值: 无 * 说 明：无 */ static void PWM_TIM1_8_GPIO_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; /* Enable TIM1&TIM8 CLOCK */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM8, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA|RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOE|RCC_APB2Periph_AFIO, ENABLE); // GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11 | GPIO_Pin_14| GPIO_Pin_9;//TIM1_CH2、TIM1_CH4、TIM1_CH1 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11;//TIM1_CH2 GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOE, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;//TIM8_CH1 GPIO_Init(GPIOC, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_10;//TIM1_CH2N GPIO_Init(GPIOE, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;//TIM8_CH1N GPIO_Init(GPIOA, &GPIO_InitStructure); GPIO_PinRemapConfig(GPIO_FullRemap_TIM1,ENABLE); } /** * 函数功能: 配置TIMx输出的PWM信号的模式，如周期、极性、占空比 * 输入参数: 无 * 返 回 值: 无 * 说 明：无 */ /* * TIMxCLK/CK_PSC --> TIMxCNT --> TIMx_ARR --> TIMxCNT 重新计数 * TIMx_CCR(电平发生变化) * 信号周期=(TIMx_ARR +1 ) * 时钟周期 * 占空比=TIMx_CCR/(TIMx_ARR +1) */ static void PWM_TIM1_8_Configuration(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; TIM_BDTRInitTypeDef TIM_BDTRInitStructure; /* 定时器基本参数始终 */ TIM_TimeBaseStructure.TIM_Period = Tim_Period; /* 设置预分频：不预分频，即为72MHz,输出脉冲频率：72MHz/1440=50KHz */ /* 同一个定时器的不同通道PWM的频率只能是相同的，不同通道可以设置为不同的占空比 */ TIM_TimeBaseStructure.TIM_Prescaler = Tim_Prescaler; TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1 ; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseStructure.TIM_RepetitionCounter = 0; TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); TIM_TimeBaseInit(TIM8, &TIM_TimeBaseStructure); /* PWM Initialization*/ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable; TIM_OCInitStructure.TIM_Pulse = Tim1_OC2; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset; TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset; TIM_OC2Init(TIM1, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM1, TIM_OCPreload_Enable); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_Pulse = Tim8_OC1; TIM_OC1Init(TIM8, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM8, TIM_OCPreload_Enable); TIM_ARRPreloadConfig(TIM1, ENABLE); TIM_ARRPreloadConfig(TIM8, ENABLE); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_Pulse = Tim1_OC4; TIM_OC4Init(TIM1,&TIM_OCInitStructure); TIM_OC4PreloadConfig(TIM1, TIM_OCPreload_Enable); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Toggle; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Disable; TIM_OCInitStructure.TIM_Pulse = Tim1_OC1; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC1Init(TIM1,&TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable); TIM_SelectOutputTrigger(TIM1, TIM_TRGOSource_OC1Ref); //TIM1 OC1触发从定时器 TIM_SelectMasterSlaveMode(TIM1, TIM_MasterSlaveMode_Enable); TIM_SelectInputTrigger(TIM8, TIM_TS_ITR0); //ITRO触发 TIM_SelectSlaveMode(TIM8, TIM_SlaveMode_Reset); TIM_BDTRInitStructure.TIM_AutomaticOutput=TIM_AutomaticOutput_Enable; TIM_BDTRInitStructure.TIM_Break=TIM_Break_Disable; TIM_BDTRInitStructure.TIM_BreakPolarity=TIM_BreakPolarity_High; TIM_BDTRInitStructure.TIM_DeadTime=Tim1and8_DeadTime; //(29/1440)*20us=0.402us 402ns TIM_BDTRInitStructure.TIM_LOCKLevel=TIM_LOCKLevel_OFF; TIM_BDTRInitStructure.TIM_OSSIState=TIM_OSSIState_Disable; TIM_BDTRInitStructure.TIM_OSSRState=TIM_OSSRState_Disable; TIM_BDTRConfig(TIM1,&TIM_BDTRInitStructure); TIM_BDTRConfig(TIM8,&TIM_BDTRInitStructure); /* 使能定时器 */ TIM_Cmd(TIM1, ENABLE); TIM_Cmd(TIM8, ENABLE); Tim1_OC1_Off; Tim1_OC2_OC2N_Off; Tim8_OC1_OC1N_Off; Tim1_OC4_On; TIM_CtrlPWMOutputs(TIM1, ENABLE); TIM_CtrlPWMOutputs(TIM8, ENABLE); TIM1_8_PWM_Open_Init(); } /** * 函数功能: TIMx 输出PWM信号初始化 * 输入参数: 无 * 返 回 值: 无 * 说 明：只要调用这个函数TIMx的五个通道就会有PWM信号输出 */ void TIM1_8_PWM_Init(void) { PWM_TIM1_8_GPIO_Config(); PWM_TIM1_8_Configuration(); } /** * 函数功能: 当发生过压或过流时，启用保护锁定 * 输入参数: 无 * 返 回 值: 无 * 说 明： */ void TIM1_8_PWM_Close_Init(void) { Tim1_OC2_OC2N_Off; Tim1_OC1_Off; Tim8_OC1_OC1N_Off; GPIO_PinRemapConfig(GPIO_FullRemap_TIM1,DISABLE); GPIO_ResetBits(GPIOE,GPIO_Pin_11|GPIO_Pin_10); //PE.11\10 输出低 GPIO_ResetBits(GPIOC,GPIO_Pin_6); //PC.6 输出低 GPIO_ResetBits(GPIOA,GPIO_Pin_7); //PA.7 输出低 } /** * 函数功能: 当前不过压或过流时，PWM重新打开 * 输入参数: 无 * 返 回 值: 无 * 说 明： */ void TIM1_8_PWM_Open_Init(void) { GPIO_PinRemapConfig(GPIO_FullRemap_TIM1,ENABLE); Tim1_OC4_Off; Tim1_OC2_OC2N_On; Tim1_OC1_On; Tim1_OC4_On; Tim8_OC1_OC1N_On; }