void vLedSetDuty(LedState_t state, int32_t duty) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; TIM_Cmd(TIM2, DISABLE); /* Time base configuration */ TIM_TimeBaseStructure.TIM_Period = 400; TIM_TimeBaseStructure.TIM_Prescaler = (uint16_t) (SystemCoreClock / 24000000) - 1; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); /* PWM1 Mode configuration: Channel1 */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = duty<<2; if (TIM_OCInitStructure.TIM_Pulse>TIM_TimeBaseStructure.TIM_Period) TIM_OCInitStructure.TIM_Pulse=TIM_TimeBaseStructure.TIM_Period-1; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; if (state==LedState_White) { TIM_OC1Init(TIM2, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Enable); TIM_OC2Init(TIM2, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM2, TIM_OCPreload_Enable); TIM_OC3Init(TIM2, &TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM2, TIM_OCPreload_Enable); } else if (state==LedState_Green) { TIM_OC1Init(TIM2, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Enable); } else if (state==LedState_Red) { TIM_OC2Init(TIM2, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM2, TIM_OCPreload_Enable); } else if (state==LedState_Blue) { TIM_OC3Init(TIM2, &TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM2, TIM_OCPreload_Enable); } TIM_ARRPreloadConfig(TIM2, ENABLE); /* TIM3 enable counter */ TIM_Cmd(TIM2, ENABLE); }
void TIM3_Init(void) { /* Time base configuration */ TIM_TimeBaseStructure.TIM_Prescaler = TIM3_PRESCALER; TIM_TimeBaseStructure.TIM_Period = TIM3_PERIOD; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); /* PWM1 Mode configuration: Channel1 */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC1Init(TIM3, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel2 */ TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OC2Init(TIM3, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable); TIM_ARRPreloadConfig(TIM3, ENABLE); /* TIM3 enable counter */ TIM_Cmd(TIM3, ENABLE); }
void TIM3_PWM_Init( void ) { GPIO_InitTypeDef GPIO_InitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; RCC_APB1PeriphClockCmd( RCC_APB1Periph_TIM3, ENABLE ); RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB, ENABLE ); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init( GPIOA, &GPIO_InitStructure ); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1; GPIO_Init( GPIOB, &GPIO_InitStructure ); /* ------------------------------------------------------------ * TIM3 Configuration: generate 4 PWM signals with 4 different duty cycles: * TIM3CLK = 72 MHz, Prescaler = 0x0, TIM3 counter clock = 72 MHz * TIM3 ARR Register = 999 => TIM3 Frequency = TIM3 counter clock/(ARR + 1) * TIM3 Frequency = 72 KHz. * TIM3 Channel1 duty cycle = (TIM3_CCR1/ TIM3_ARR)* 100 = 50% * TIM3 Channel2 duty cycle = (TIM3_CCR2/ TIM3_ARR)* 100 = 37.5% * TIM3 Channel3 duty cycle = (TIM3_CCR3/ TIM3_ARR)* 100 = 25% * TIM3 Channel4 duty cycle = (TIM3_CCR4/ TIM3_ARR)* 100 = 12.5% * ------------------------------------------------------------- */ /* Time base configuration */ TIM_TimeBaseStructure.TIM_Period = PWM_ARR; TIM_TimeBaseStructure.TIM_Prescaler = 0; TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit( TIM3, &TIM_TimeBaseStructure ); TIM_ARRPreloadConfig( TIM3, ENABLE ); TIM_Cmd( TIM3, ENABLE ); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OC1Init( TIM3, &TIM_OCInitStructure ); TIM_OC1PreloadConfig( TIM3, TIM_OCPreload_Enable ); TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OC2Init( TIM3, &TIM_OCInitStructure ); TIM_OC2PreloadConfig( TIM3, TIM_OCPreload_Enable ); TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OC3Init( TIM3, &TIM_OCInitStructure ); TIM_OC3PreloadConfig( TIM3, TIM_OCPreload_Enable ); TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OC4Init( TIM3, &TIM_OCInitStructure ); TIM_OC4PreloadConfig( TIM3, TIM_OCPreload_Enable ); }
void initPWM() { TIM_OCInitTypeDef TIM_OCInitStructure; TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; /* PWM1 Mode configuration: Channel1 (GPIOD Pin 12)*/ TIM_OC1Init(TIM4, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel2 (GPIOD Pin 13)*/ TIM_OC2Init(TIM4, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel3 (GPIOD Pin 14)*/ TIM_OC3Init(TIM4, &TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel4 (GPIOD Pin 15)*/ TIM_OC4Init(TIM4, &TIM_OCInitStructure); TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_Cmd(TIM4, ENABLE); }
void pwm::setControlRegister(uint8_t registerNum, TIM_TypeDef* timer) { TIM_OCInitTypeDef TIM_OCInitStructure; TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //sets the timer to output pwm signals TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OCInitStructure.TIM_Pulse = 0; if(registerNum == 1) { TIM_OC1Init(timer, &TIM_OCInitStructure); TIM_OC1PreloadConfig(timer, TIM_OCPreload_Enable); } else if(registerNum == 2) { TIM_OC2Init(timer, &TIM_OCInitStructure); TIM_OC2PreloadConfig(timer, TIM_OCPreload_Enable); } else if(registerNum == 3) { TIM_OC3Init(timer, &TIM_OCInitStructure); TIM_OC3PreloadConfig(timer, TIM_OCPreload_Enable); } else if(registerNum == 4) { TIM_OC4Init(timer, &TIM_OCInitStructure); TIM_OC4PreloadConfig(timer, TIM_OCPreload_Enable); } }
void TIM9_Configuration(void) { TIM_OCInitTypeDef TIM_OCInitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; /* Time base configuration - SystemCoreClock = 168000000 for 168 MHz board */ TIM_TimeBaseStructure.TIM_Prescaler = (uint16_t) (((SystemCoreClock / 1000000)) - 1); // Shooting for 1 MHz, (1us) TIM_TimeBaseStructure.TIM_Period = 20000 - 1; // 1 MHz / 20000 = 50 Hz (20ms) TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM9, &TIM_TimeBaseStructure); /* Enable TIM4 Preload register on ARR */ TIM_ARRPreloadConfig(TIM9, ENABLE); /* TIM PWM1 Mode configuration: Channel */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 1500; // Servo Top-Center TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; /* Output Compare PWM1 Mode configuration: Channel1 PD.12 */ TIM_OC1Init(TIM9, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM9, TIM_OCPreload_Enable); /* Output Compare PWM1 Mode configuration: Channel2 PD.13 */ TIM_OC2Init(TIM9, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM9, TIM_OCPreload_Enable); /* TIM Interrupts enable */ TIM_ITConfig(TIM9, TIM_IT_Update, ENABLE); /* TIM4 enable counter */ TIM_Cmd(TIM9, ENABLE); }
/** * @brief Main program * @param None * @retval None */ void Timer3Init(void) { RCC_Configuration(); GPIO_Configuration(); /* Compute the prescaler value */ PrescalerValue = (uint16_t) (SystemCoreClock / 1000000) - 1; /* Time base configuration */ TIM_TimeBaseStructure.TIM_Period = 1000; TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); /* PWM1 Mode configuration: Channel1 */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC1Init(TIM3, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel2 */ TIM_OC2Init(TIM3, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable); TIM_ARRPreloadConfig(TIM3, ENABLE); /* TIM3 enable counter */ TIM_Cmd(TIM3, ENABLE); }
void SA_TIMER_PWM_Init(TIM_TypeDef* TIMx, uint8_t NUM) { TIM_OCInitTypeDef TIM_OCInitStructure; TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //选择定时器模式:TIM脉冲宽度调制模式2 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比较输出使能 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //输出极性:TIM输出比较极性高 //TIM_OCPolarity_High if (1 == NUM) { TIM_OC1Init(TIMx, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIMx, TIM_OCPreload_Enable); } else if(2 == NUM) { TIM_OC2Init(TIMx, &TIM_OCInitStructure); //根据T指定的参数初始化外设TIM3 OC2 TIM_OC2PreloadConfig(TIMx, TIM_OCPreload_Enable); //使能TIMx在CCR2上的预装载寄存器 } else if(3 == NUM) { TIM_OC3Init(TIMx, &TIM_OCInitStructure); //根据T指定的参数初始化外设TIM3 OC2 TIM_OC3PreloadConfig(TIMx, TIM_OCPreload_Enable); //使能TIMx在CCR2上的预装载寄存器 } else { if (4 == NUM) { TIM_OC4Init(TIMx, &TIM_OCInitStructure); //根据T指定的参数初始化外设TIM3 OC2 TIM_OC4PreloadConfig(TIMx, TIM_OCPreload_Enable); //使能TIMx在CCR2上的预装载寄存器 } } }
void Rilma_t::Init() { // ==== GPIO ==== RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB | RCC_APB2Periph_AFIO, ENABLE); // ==== Timer4 as PWM ==== RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE); TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_TimeBaseStructure.TIM_Period = 255; TIM_TimeBaseStructure.TIM_Prescaler = 0; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); // ==== PWM outputs ==== TIM_OCInitTypeDef TIM_OCInitStructure; TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; // Init channels #ifdef CHANNEL1_ENABLE TIM_OC1Init(TIM4, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable); #endif #ifdef CHANNEL2_ENABLE TIM_OC2Init(TIM4, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); #endif #ifdef CHANNEL3_ENABLE TIM_OC3Init(TIM4, &TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_OC4Init(TIM4, &TIM_OCInitStructure); TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable); #endif TIM_ARRPreloadConfig(TIM4, ENABLE); // Enable autoreload of preload }
static void configBeeperPWMTimer(const beeperDevConfig_t *config) { TIM_OCInitTypeDef TIM_OCInitStructure; TIM_OCStructInit(&TIM_OCInitStructure); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = (1000000 / BEEPER_PWM_FREQUENCY) * 50 / 100; // 50% duty cycle TIM_OCInitStructure.TIM_OCPolarity = config->isInverted ? TIM_OCPolarity_High : TIM_OCPolarity_Low; TIM_OCInitStructure.TIM_OCIdleState = config->isInverted ? TIM_OCIdleState_Reset : TIM_OCIdleState_Set; configTimeBase(BEEPER_PWM_TIMER, 1000000 / BEEPER_PWM_FREQUENCY, PWM_TIMER_MHZ); TIM_Cmd(BEEPER_PWM_TIMER, ENABLE); switch (BEEPER_PWM_TIMER_CH) { case TIM_Channel_1: TIM_OC1Init(BEEPER_PWM_TIMER, &TIM_OCInitStructure); TIM_OC1PreloadConfig(BEEPER_PWM_TIMER, TIM_OCPreload_Enable); break; case TIM_Channel_2: TIM_OC2Init(BEEPER_PWM_TIMER, &TIM_OCInitStructure); TIM_OC2PreloadConfig(BEEPER_PWM_TIMER, TIM_OCPreload_Enable); break; case TIM_Channel_3: TIM_OC3Init(BEEPER_PWM_TIMER, &TIM_OCInitStructure); TIM_OC3PreloadConfig(BEEPER_PWM_TIMER, TIM_OCPreload_Enable); break; case TIM_Channel_4: TIM_OC4Init(BEEPER_PWM_TIMER, &TIM_OCInitStructure); TIM_OC4PreloadConfig(BEEPER_PWM_TIMER, TIM_OCPreload_Enable); break; } TIM_CtrlPWMOutputs(BEEPER_PWM_TIMER, DISABLE); }
void pwm_mode(timer_dev *dev, uint8_t channel) { timer_disable_irq(dev, channel); // timer_oc_set_mode(dev, channel, TIMER_OC_MODE_PWM_1, TIMER_OC_PE); switch (channel) { case 1: TIM_SelectOCxM(dev->regs, TIM_Channel_1, TIM_OCMode_PWM1); TIM_OC1PreloadConfig(dev->regs, TIM_OCPreload_Enable); break; case 2: TIM_SelectOCxM(dev->regs, TIM_Channel_2, TIM_OCMode_PWM1); TIM_OC2PreloadConfig(dev->regs, TIM_OCPreload_Enable); break; case 3: TIM_SelectOCxM(dev->regs, TIM_Channel_3, TIM_OCMode_PWM1); TIM_OC3PreloadConfig(dev->regs, TIM_OCPreload_Enable); break; case 4: TIM_SelectOCxM(dev->regs, TIM_Channel_4, TIM_OCMode_PWM1); TIM_OC4PreloadConfig(dev->regs, TIM_OCPreload_Enable); break; } timer_cc_enable(dev, channel); }
void PWM_Config(void) { /* Configure PWM mode for TIM4 Channels 1->4*/ TIM_OCInitTypeDef TIM_OCInitStructure; /* PWM Mode configuration: Channel1 */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC1Init(TIM4, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_ARRPreloadConfig(TIM4, ENABLE); //3 other channels TIM_OC2Init(TIM4, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_OC3Init(TIM4, &TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_OC4Init(TIM4, &TIM_OCInitStructure); TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable); /* TIM4 enable counter */ TIM_Cmd(TIM4, ENABLE); }
//---------------------------------------------------------- //TIM PWMモード時のパルス幅変更 void Tim_pulse_set(TIM_TypeDef *tim,int ch,unsigned int pulse){ TIM_OCInitTypeDef TIM_OCInitStructure; //TIMを設定するための構造体 TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; if((ch&TIM_CH1) != 0){ TIM_OCInitStructure.TIM_Pulse = pulse; TIM_OC1Init(tim,&TIM_OCInitStructure); TIM_OC1PreloadConfig(tim,TIM_OCPreload_Disable); } if((ch&TIM_CH2) != 0){ TIM_OCInitStructure.TIM_Pulse = pulse; TIM_OC2Init(tim,&TIM_OCInitStructure); TIM_OC2PreloadConfig(tim,TIM_OCPreload_Disable); } if((ch&TIM_CH3) != 0){ TIM_OCInitStructure.TIM_Pulse = pulse; TIM_OC3Init(tim,&TIM_OCInitStructure); TIM_OC3PreloadConfig(tim,TIM_OCPreload_Disable); } if((ch&TIM_CH4) != 0){ TIM_OCInitStructure.TIM_Pulse = pulse; TIM_OC4Init(tim,&TIM_OCInitStructure); TIM_OC4PreloadConfig(tim,TIM_OCPreload_Disable); } TIM_Cmd(tim,ENABLE); TIM_ARRPreloadConfig(tim,ENABLE); }
void klPwmChannel_t::Init(TIM_TypeDef* PTimer, uint16_t ATopValue, uint32_t AFreqHz, uint8_t ANumber, uint16_t APolarity) { klTimer_t::Init(PTimer, ATopValue, AFreqHz); INumber = ANumber; TIM_OCInitTypeDef TIM_OCInitStructure; TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Disable; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OCInitStructure.TIM_OCPolarity = APolarity; switch (ANumber) { case 1: TIM_OC1Init(PTimer, &TIM_OCInitStructure); TIM_OC1PreloadConfig(PTimer, TIM_OCPreload_Enable); break; case 2: TIM_OC2Init(PTimer, &TIM_OCInitStructure); TIM_OC2PreloadConfig(PTimer, TIM_OCPreload_Enable); break; case 3: TIM_OC3Init(PTimer, &TIM_OCInitStructure); TIM_OC3PreloadConfig(PTimer, TIM_OCPreload_Enable); break; case 4: TIM_OC4Init(PTimer, &TIM_OCInitStructure); TIM_OC4PreloadConfig(PTimer, TIM_OCPreload_Enable); break; default: break; } TIM_ARRPreloadConfig(PTimer, ENABLE); // Enable autoreload of preload klTimer_t::Enable(); }
/**TIM2选用没有重影像方式**/ void TIM2_Configuration(void)//TIMER INITIALIZATION { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; // GPIO_PinRemapConfig(_,_);//没有重映像 // TIM_ClearITPendingBit(TIM2, TIM_IT_Update); TIM_TimeBaseStructure.TIM_Period = 100-1; TIM_TimeBaseStructure.TIM_Prescaler =36-1; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); // TIM_ITConfig(TIM3,TIM_IT_Update,ENABLE);//定时器中断 //PWM初始化 TIM_OCInitStructure.TIM_OCMode=TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState=TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OCPolarity=TIM_OCPolarity_High; TIM_OC1Init(TIM2,&TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM2,TIM_OCPreload_Enable);//使能预装载寄存器 TIM_OC2Init(TIM2,&TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM2,TIM_OCPreload_Enable);//使能预装载寄存器 TIM_OC3Init(TIM2,&TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM2,TIM_OCPreload_Enable);//使能预装载寄存器 TIM_OC4Init(TIM2,&TIM_OCInitStructure); TIM_OC4PreloadConfig(TIM2,TIM_OCPreload_Enable);//使能预装载寄存器 TIM_Cmd(TIM2,ENABLE); }
void modbus_rtu_driver__delay_timer__init(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; TIM_TimeBaseStructure.TIM_Period = 65535; TIM_TimeBaseStructure.TIM_Prescaler = MODBUS_RTU_DRIVER__DELAY_TIMER__PRESCALER; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStructure); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Inactive; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = MODBUS_RTU_DRIVER__DELAY_TIMER__T15_VALUE; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC1Init(TIM2, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Disable); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_Inactive; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = MODBUS_RTU_DRIVER__DELAY_TIMER__T35_VALUE; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC2Init(TIM2, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM2, TIM_OCPreload_Disable); TIM_ARRPreloadConfig(TIM2, ENABLE); /* TIM IT enable */ TIM_ITConfig(TIM2, TIM_IT_CC1 | TIM_IT_CC2, ENABLE); /* TIM2 enable counter */ TIM_Cmd(TIM2, ENABLE); }
void MyMotor_TIM2_PWM_Config(void) { TIM_TimeBaseInitTypeDef TIM_IS; TIM_OCInitTypeDef TIM_OC_IS; TIM_TimeBaseStructInit(&TIM_IS); TIM_OCStructInit(&TIM_OC_IS); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2,ENABLE); TIM_IS.TIM_Period = 2000; TIM_IS.TIM_Prescaler = 720;//PWM周期20ms 50Hz TIM_IS.TIM_ClockDivision = TIM_CKD_DIV1; TIM_IS.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM2,&TIM_IS); TIM_OC_IS.TIM_OCMode = TIM_OCMode_PWM1; TIM_OC_IS.TIM_OutputState = TIM_OutputState_Enable; TIM_OC_IS.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC_IS.TIM_Pulse = THROTTLE_BASE; TIM_OC1Init(TIM2,&TIM_OC_IS); TIM_OC1PreloadConfig(TIM2, TIM_OCPreload_Enable); TIM_OC_IS.TIM_Pulse = THROTTLE_BASE; TIM_OC2Init(TIM2,&TIM_OC_IS); TIM_OC2PreloadConfig(TIM2, TIM_OCPreload_Enable); TIM_OC_IS.TIM_Pulse = THROTTLE_BASE; TIM_OC3Init(TIM2,&TIM_OC_IS); TIM_OC3PreloadConfig(TIM2, TIM_OCPreload_Enable); TIM_OC_IS.TIM_Pulse = THROTTLE_BASE; TIM_OC4Init(TIM2,&TIM_OC_IS); TIM_OC4PreloadConfig(TIM2, TIM_OCPreload_Enable); }
static void pwmOCConfig(TIM_TypeDef *tim, uint8_t channel, uint16_t value) { TIM_OCInitTypeDef TIM_OCInitStructure; TIM_OCStructInit(&TIM_OCInitStructure); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Disable; TIM_OCInitStructure.TIM_Pulse = value; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set; switch (channel) { case TIM_Channel_1: TIM_OC1Init(tim, &TIM_OCInitStructure); TIM_OC1PreloadConfig(tim, TIM_OCPreload_Enable); break; case TIM_Channel_2: TIM_OC2Init(tim, &TIM_OCInitStructure); TIM_OC2PreloadConfig(tim, TIM_OCPreload_Enable); break; case TIM_Channel_3: TIM_OC3Init(tim, &TIM_OCInitStructure); TIM_OC3PreloadConfig(tim, TIM_OCPreload_Enable); break; case TIM_Channel_4: TIM_OC4Init(tim, &TIM_OCInitStructure); TIM_OC4PreloadConfig(tim, TIM_OCPreload_Enable); break; } }
void pwm_config(uint32_t freq) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM9, ENABLE); gpio_af_pp_up_init(GPIOE, GPIO_Pin_5|GPIO_Pin_6); GPIO_PinAFConfig(GPIOE, GPIO_PinSource5, GPIO_AF_TIM9); GPIO_PinAFConfig(GPIOE, GPIO_PinSource6, GPIO_AF_TIM9); TIM_TimeBaseStructure.TIM_Period = 1000-1; TIM_TimeBaseStructure.TIM_Prescaler = 84000000/1000/freq-1; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM9, &TIM_TimeBaseStructure); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OC1Init(TIM9, &TIM_OCInitStructure); TIM_OCInitStructure.TIM_Pulse = 0; TIM_OC2Init(TIM9, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM9, TIM_OCPreload_Enable); TIM_OC2PreloadConfig(TIM9, TIM_OCPreload_Enable); TIM_ARRPreloadConfig(TIM9, ENABLE); TIM_Cmd(TIM9, ENABLE); }
static void TIMx_Config(TIM_TypeDef* TIMx, uint16_t period, uint16_t prescaler) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_TimeBaseStructInit(&TIM_TimeBaseStructure); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); /* Time base configuration */ TIM_TimeBaseStructure.TIM_Period = period; TIM_TimeBaseStructure.TIM_Prescaler = prescaler; //设置预分频 TIM_TimeBaseInit(TIMx, &TIM_TimeBaseStructure); TIM_OC1PreloadConfig(TIMx, TIM_OCPreload_Enable); TIM_OC2PreloadConfig(TIMx, TIM_OCPreload_Enable); TIM_OC3PreloadConfig(TIMx, TIM_OCPreload_Enable); TIM_OC4PreloadConfig(TIMx, TIM_OCPreload_Enable); TIM_ARRPreloadConfig(TIMx, ENABLE); TIM_ITConfig(TIMx, TIM_IT_Update, DISABLE); }
void motor_pwm_init(int period) { RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM12, ENABLE); TIM_TimeBaseInitTypeDef timerInitStructure; timerInitStructure.TIM_Prescaler = 2; timerInitStructure.TIM_CounterMode = TIM_CounterMode_Up; timerInitStructure.TIM_Period = period; timerInitStructure.TIM_ClockDivision = TIM_CKD_DIV1; timerInitStructure.TIM_RepetitionCounter = 0; TIM_TimeBaseInit(TIM12, &timerInitStructure); TIM_Cmd(TIM12, ENABLE); TIM_OCInitTypeDef outputChannelInit = {0,}; outputChannelInit.TIM_OCMode = TIM_OCMode_PWM1; outputChannelInit.TIM_Pulse = 500; outputChannelInit.TIM_OutputState = TIM_OutputState_Enable; outputChannelInit.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC1Init(TIM12, &outputChannelInit); TIM_OC1PreloadConfig(TIM12, TIM_OCPreload_Enable); outputChannelInit.TIM_OCMode = TIM_OCMode_PWM1; outputChannelInit.TIM_Pulse = 500; outputChannelInit.TIM_OutputState = TIM_OutputState_Enable; outputChannelInit.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC2Init(TIM12, &outputChannelInit); TIM_OC2PreloadConfig(TIM12, TIM_OCPreload_Enable); GPIO_PinAFConfig(MTR_L_PWM_GPIO_PORT, MTR_L_PWM_SOURCE, MTR_L_PWM_AF); GPIO_PinAFConfig(MTR_R_PWM_GPIO_PORT, MTR_R_PWM_SOURCE, MTR_R_PWM_AF); }
void pwm_out_mode_config() { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; TIM_TimeBaseStructure.TIM_Period = TIM_PERIOD; TIM_TimeBaseStructure.TIM_Prescaler = TIM_PRESCALER; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = TIM_PULSE; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //output Channel1 TIM_OC1Init(TIM4, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable); //output Channel2 TIM_OC2Init(TIM4, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); //output Channel3 TIM_OC3Init(TIM4, &TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); //output Channel4 TIM_OC4Init(TIM4, &TIM_OCInitStructure); TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable); //enable TIM4 TIM_ARRPreloadConfig(TIM4, ENABLE); TIM_Cmd(TIM4, ENABLE); }
void RGBLED_Update(uint8_t RED_Val, uint8_t GREEN_Val, uint8_t BLUE_Val) { //printf("r: %x g: %x b:%x\n", RED_Val, GREEN_Val, BLUE_Val); TIM_OCInitTypeDef TIM_OCInitStructure; TIM_OCStructInit(&TIM_OCInitStructure); /* PWM1 Mode configuration: Channel1 */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = GREEN_Val; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC1Init(TIM3, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel2 */ TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = BLUE_Val; TIM_OC2Init(TIM3, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel3 */ TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = RED_Val; TIM_OC3Init(TIM3, &TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM3, TIM_OCPreload_Enable); }
void TIM4_PWM_Init(u16 arr, u16 psc) { GPIO_InitTypeDef GPIO_InitStructure; static TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; static TIM_OCInitTypeDef TIM_OCInitStructure; RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE); //使能定时器3时钟 RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB|RCC_AHB1Periph_GPIOD, ENABLE); //使能GPIO外设和AFIO复用功能模块时钟 GPIO_PinAFConfig(GPIOB,GPIO_PinSource8,GPIO_AF_TIM4); //GPIOA0复用为定时器2 GPIO_PinAFConfig(GPIOB,GPIO_PinSource9,GPIO_AF_TIM4); //GPIOA0复用为定时器2 GPIO_PinAFConfig(GPIOD,GPIO_PinSource12,GPIO_AF_TIM4); //GPIOA0复用为定时器2 GPIO_PinAFConfig(GPIOD,GPIO_PinSource13,GPIO_AF_TIM4); //GPIOA0复用为定时器2 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8|GPIO_Pin_9; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽复用输出 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //上拉 GPIO_Init(GPIOB, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12|GPIO_Pin_13; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; //推挽复用输出 GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; //上拉 GPIO_Init(GPIOD, &GPIO_InitStructure); //初始化TIM4 TIM_TimeBaseStructure.TIM_Period = arr - 1; //设置在下一个更新事件装入活动的自动重装载寄存器周期的值 TIM_TimeBaseStructure.TIM_Prescaler = psc - 1; //设置用来作为TIMx时钟频率除数的预分频值 TIM_TimeBaseStructure.TIM_ClockDivision = 0x00;//设置时钟分割:TDTS = Tck_tim TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIM向上计数模式 TIM_TimeBaseStructure.TIM_RepetitionCounter = 0x0; //循环计数次数值 TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); //根据TIM_TimeBaseInitStruct中指定的参数初始化TIMx的时间基数单位 //初始化TIM4 PWM模式 TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //选择定时器模式 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //比较输出使能 TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable;//使能定时器互补输出 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //输出极性 TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Set; //打开空闲状态选择关闭 TIM_CtrlPWMOutputs(TIM4, ENABLE); //使能定时器8的PWM输出 TIM_OC1Init(TIM4, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_OC2Init(TIM4, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_OC3Init(TIM4, &TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_OC4Init(TIM4, &TIM_OCInitStructure); TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_Cmd(TIM4, ENABLE); //使能TIM4 }
/* * 函数名:TIM4_Mode_Config * 描述 :配置TIM4输出的PWM信号的模式,如周期、极性、占空比 * 输入 :无 * 输出 :12us高电平,周期5.069ms * 调用 :内部调用 */ void TIM4_Trig_Config(void) { GPIO_InitTypeDef GPIO_InitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; /* PWM信号电平跳变值 */ u16 CCR2_Val = 12; /* TIM3 clock enable */ //PCLK1经过2倍频后作为TIM3的时钟源等于72MHz RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE); /* GPIOA and GPIOB clock enable */ RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); /*GPIOA Configuration: TIM3 channel 1 and 2 as alternate function push-pull */ GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; // 复用推挽输出 GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOB, &GPIO_InitStructure); /* ----------------------------------------------------------------------- TIM4 Configuration: generate 4 PWM signals with 4 different duty cycles: TIM4CLK = 72 MHz, Prescaler = 0x0, TIM3 counter clock = 72 MHz TIM4 ARR Register = 999 => TIM4 Frequency = TIM4 counter clock/(ARR + 1) TIM4 Frequency = 72 KHz. TIM4 Channel1 duty cycle = (TIM4_CCR1/ TIM4_ARR)* 100 = 50% TIM4 Channel2 duty cycle = (TIM4_CCR2/ TIM4_ARR)* 100 = 37.5% TIM4 Channel3 duty cycle = (TIM4_CCR3/ TIM4_ARR)* 100 = 25% TIM4 Channel4 duty cycle = (TIM4_CCR4/ TIM4_ARR)* 100 = 12.5% ----------------------------------------------------------------------- */ /* Time base configuration */ TIM_TimeBaseStructure.TIM_Period = 5000-1; //设置脉冲周期 = Prescaler刻度 * Period TIM_TimeBaseStructure.TIM_Prescaler = 72; //设置预分频:72分频,也就是计时刻度72Mhz/72 TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1 ; //设置时钟分频系数:不分频 TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //向上计数模式 TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); /* PWM1 Mode configuration: Channel1 */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //配置为PWM模式1 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = CCR2_Val; //设置跳变值,当计数器计数到这个值时,电平发生跳变 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //当定时器计数值小于CCR1_Val时为高电平 TIM_OC2Init(TIM4, &TIM_OCInitStructure); //使能通道2 TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_ARRPreloadConfig(TIM4, ENABLE); // 使能TIM4重载寄存器ARR /* TIM4 enable counter */ TIM_Cmd(TIM4, ENABLE); //使能定时器4 }
/*====================================================================================================*/ static void ILI9341_LigConfig( void ) { GPIO_InitTypeDef GPIO_InitStruct; #ifdef BLIGHT_PWM TIM_TimeBaseInitTypeDef TIM_TimeBaseStruct; TIM_OCInitTypeDef TIM_OCInitStruct; /* PWM Clk Init *************************************************************/ RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM2, ENABLE); RCC_APB2PeriphClockCmd(LCD_LIG_GPIO_CLK, ENABLE); /* LIG PA1 */ GPIO_InitStruct.GPIO_Pin = LCD_LIG_PIN; GPIO_InitStruct.GPIO_Speed = GPIO_Speed_50MHz; GPIO_InitStruct.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_Init(LCD_LIG_GPIO_PORT, &GPIO_InitStruct); TIM_DeInit(TIM2); /************************** PWM Output **************************************/ /* 設定 TIM2 Time Base */ TIM_TimeBaseStruct.TIM_Period = (uint16_t)(256-1); // Set Period TIM_TimeBaseStruct.TIM_Prescaler = (uint16_t)(0); // Set Freq TIM_TimeBaseStruct.TIM_ClockDivision = TIM_CKD_DIV1; TIM_TimeBaseStruct.TIM_CounterMode = TIM_CounterMode_Up; // Count Up TIM_TimeBaseInit(TIM2, &TIM_TimeBaseStruct); /* 設定 TIM2 OC2 */ TIM_OCInitStruct.TIM_OCMode = TIM_OCMode_PWM1; // PWM1 Mode TIM_OCInitStruct.TIM_OutputState = TIM_OutputState_Enable; // Enable OC TIM_OCInitStruct.TIM_Pulse = 0; // Period Pulse TIM_OCInitStruct.TIM_OCPolarity = TIM_OCPolarity_High; // 當計數值小於 PWM_MOTOR_MIN 時為高電平 TIM_OC2Init(TIM2, &TIM_OCInitStruct); // 初始化 TIM2 OC2 TIM_OC2PreloadConfig(TIM2, TIM_OCPreload_Enable); // Enable TIM2 OC2 Preload /* 啟動 */ TIM_ARRPreloadConfig(TIM2, ENABLE); // Enable TIM2 ARR Preload TIM_Cmd(TIM2, ENABLE); // Enable TIM2 LCD_LIG = BLIGHT_MIN; #else /* GPIO Clk ******************************************************************/ LCD_LIG_GPIO_CLK_ENABLE(); /* SPI Pin ******************************************************************/ GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; GPIO_InitStruct.Pull = GPIO_PULLUP; GPIO_InitStruct.Speed = GPIO_SPEED_HIGH; GPIO_InitStruct.Pin = LCD_LIG_PIN; HAL_GPIO_Init(LCD_LIG_GPIO_PORT, &GPIO_InitStruct); LCD_LIG_L; #endif }
/** * @brief Configure TIM4 * @param None * @retval None */ void TIM_Configuration(void) { /* ----------------------------------------------------------------------- TIM4 Configuration: generate 4 PWM signals with 4 different duty cycles: TIM4CLK = 72 MHz, Prescaler = 18, TIM4 counter clock = 4 MHz TIM4 ARR Register = 3999 => TIM4 Frequency = TIM4 counter clock/(ARR + 1) TIM4 Frequency = 1 KHz. ----------------------------------------------------------------------- */ /* Time base configuration */ TIM_TimeBaseStructure.TIM_Period = 3999; TIM_TimeBaseStructure.TIM_Prescaler = 18; TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM4, &TIM_TimeBaseStructure); /* PWM1 Mode configuration: Channel1 */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 4000; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OC1Init(TIM4, &TIM_OCInitStructure); TIM_OC1PreloadConfig(TIM4, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel2 */ TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 4000; TIM_OC2Init(TIM4, &TIM_OCInitStructure); TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel3 */ TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 4000; TIM_OC3Init(TIM4, &TIM_OCInitStructure); TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel4 */ TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 4000; TIM_OC4Init(TIM4, &TIM_OCInitStructure); TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_ARRPreloadConfig(TIM4, ENABLE); /* TIM4 enable counter */ TIM_Cmd(TIM4, ENABLE); }
RCOUT::RCOUT() { memset(channel_datas, 0, sizeof(channel_datas)); GPIO_InitTypeDef GPIO_InitStructure = {0}; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOB|RCC_AHB1Periph_GPIOC, ENABLE); RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE); // open B0-1 as output (TIM3 channel 0~1) GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0 | GPIO_Pin_1; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOB, &GPIO_InitStructure); GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6 | GPIO_Pin_7; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF; GPIO_InitStructure.GPIO_OType = GPIO_OType_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; GPIO_Init(GPIOC, &GPIO_InitStructure); // open C6-7 as output (TIM3 channel 3~4) GPIO_PinAFConfig(GPIOB, GPIO_PinSource0, GPIO_AF_TIM3); GPIO_PinAFConfig(GPIOB, GPIO_PinSource1, GPIO_AF_TIM3); GPIO_PinAFConfig(GPIOC, GPIO_PinSource6, GPIO_AF_TIM3); GPIO_PinAFConfig(GPIOC, GPIO_PinSource7, GPIO_AF_TIM3); // Time base configuration TIM_OCInitTypeDef TIM_OCInitStructure; TIM_TimeBaseStructure.TIM_Period = 2000*OC-1; TIM_TimeBaseStructure.TIM_Prescaler = 84/OC-1; TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; TIM_TimeBaseInit(TIM3, &TIM_TimeBaseStructure); TIM_Cmd(TIM3, ENABLE); TIM_ARRPreloadConfig(TIM3, ENABLE); TIM_OC1PreloadConfig(TIM3, TIM_OCPreload_Enable); TIM_OC2PreloadConfig(TIM3, TIM_OCPreload_Enable); TIM_OC3PreloadConfig(TIM3, TIM_OCPreload_Enable); TIM_OC4PreloadConfig(TIM3, TIM_OCPreload_Enable); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; TIM_OCInitStructure.TIM_Pulse = 0; TIM_OC1Init(TIM3, &TIM_OCInitStructure); TIM_OC2Init(TIM3, &TIM_OCInitStructure); TIM_OC3Init(TIM3, &TIM_OCInitStructure); TIM_OC4Init(TIM3, &TIM_OCInitStructure); }
void MotorInit_1(void) { GPIO_InitTypeDef GPIO_InitStructure; TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; uint16_t PrescalerValue = 0; //控制电机PWM频率 //RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA, ENABLE); //打开外设A的时钟和复用时钟 //RCC_APB1PeriphClockCmd(RCC_APB2Periph_TIM1 ,ENABLE); //打开定时器1时钟 RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); //打开外设A的时钟和复用时钟 RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4 ,ENABLE); //打开定时器4时钟 // 设置GPIO功能。 GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7 | GPIO_Pin_8 | GPIO_Pin_9; GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz; GPIO_Init(GPIOA, &GPIO_InitStructure); // 复位定时器。 TIM_DeInit(TIM4); // 配置计时器。 PrescalerValue = (uint16_t) (SystemCoreClock / 24000000) - 1; TIM_TimeBaseStructure.TIM_Period = 999; //计数上线 TIM_TimeBaseStructure.TIM_Prescaler = PrescalerValue; //pwm时钟分频 TIM_TimeBaseStructure.TIM_ClockDivision = 0; TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //向上计数 TIM_TimeBaseInit(TIM1,&TIM_TimeBaseStructure); // 配置TIM1为PWM输出模式 TIM_OCStructInit(&TIM_OCInitStructure); TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = 0; //0 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //TIM_OC1Init(TIM1,&TIM_OCInitStructure); TIM_OC2Init(TIM4,&TIM_OCInitStructure); TIM_OC3Init(TIM4,&TIM_OCInitStructure); TIM_OC4Init(TIM4,&TIM_OCInitStructure); //TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable); TIM_OC2PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable); TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable); // 启动计时器。 TIM_Cmd(TIM4,ENABLE); printf("TIM4 enable done...\r\n"); }
void Tim8_Configuration(void) { TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; TIM_OCInitTypeDef TIM_OCInitStructure; u16 CCR1_Val = 75; //前面的电机 u16 CCR2_Val = 75; //后面的电机 u16 CCR3_Val = 75; //左面的电机 u16 CCR4_Val = 75; //右面的电机 RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM8,ENABLE); TIM_DeInit(TIM8); //重设为缺省值 /*TIM1时钟配置*/ TIM_TimeBaseStructure.TIM_Prescaler = 1439; //预分频(时钟分频)72M/4000=18K TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //向上计数 TIM_TimeBaseStructure.TIM_Period = 999; //装载值 18k/144=125hz 就是说向上加的144便满了 TIM_TimeBaseStructure.TIM_ClockDivision = TIM_CKD_DIV1; //设置了时钟分割 不懂得不管 TIM_TimeBaseStructure.TIM_RepetitionCounter = 0x0; //周期计数器值 不懂得不管 TIM_TimeBaseInit(TIM8,&TIM_TimeBaseStructure); //初始化TIMx的时间基数单位 /* Channel 1 Configuration in PWM mode 通道一的PWM */ TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM2; //PWM模式2 TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //正向通道有效 PA8 //TIM_OCInitStructure.TIM_OutputNState = TIM_OutputNState_Enable; //反向通道也有效 PB13 TIM_OCInitStructure.TIM_Pulse = CCR1_Val; //占空时间 144 中有40的时间为高,互补的输出正好相反 TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_Low; //输出极性 //TIM_OCInitStructure.TIM_OCNPolarity = TIM_OCNPolarity_Low; //互补端的极性 TIM_OCInitStructure.TIM_OCIdleState = TIM_OCIdleState_Reset; //空闲状态下的非工作状态 不管 //TIM_OCInitStructure.TIM_OCNIdleState = TIM_OCIdleState_Reset; //先不管 TIM_OC1Init(TIM8,&TIM_OCInitStructure); //数初始化外设TIMx通道1这里2.0库为TIM_OCInit /* PWM1 Mode configuration: Channel2 */ TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = CCR2_Val; //设置通道2的电平跳变值,输出另外一个占空比的PWM TIM_OC2Init(TIM8, &TIM_OCInitStructure); //使能通道2 TIM_OC2PreloadConfig(TIM8, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel3 */ TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = CCR3_Val; //设置通道3的电平跳变值,输出另外一个占空比的PWM TIM_OC3Init(TIM8, &TIM_OCInitStructure); //使能通道3 TIM_OC3PreloadConfig(TIM8, TIM_OCPreload_Enable); /* PWM1 Mode configuration: Channel4 */ TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; TIM_OCInitStructure.TIM_Pulse = CCR4_Val; //设置通道4的电平跳变值,输出另外一个占空比的PWM TIM_OC4Init(TIM8, &TIM_OCInitStructure); //使能通道4 TIM_OC4PreloadConfig(TIM8, TIM_OCPreload_Enable); /* TIM1 counter enable开定时器 */ TIM_Cmd(TIM8,ENABLE); /* TIM1 Main Output Enable 使能TIM1外设的主输出*/ TIM_CtrlPWMOutputs(TIM8,ENABLE); }