完整源碼:
stm32_直流電機.7z
(185.78 KB, 售價: 1 E幣)
2020-6-5 10:22 上傳
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售價: 1 E幣 [記錄]
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部分源碼:- int main(void)
- {
-
- delay_init(); //延時函數初始化
- NVIC_PriorityGroupConfig(NVIC_PriorityGroup_2); //設置NVIC中斷分組2:2位搶占優先級,2位響應優先級
- uart_init(115200); //串口初始化為115200
- LED_Init(); //LED端口初始化
- Motor_Init();
- while(1)
- {
- Moto_PwmRflash(0,800,0,800);
- }
- }
- //電機
- #define Moto_PwmMax 999
- int16_t MOTO1_PWM = 0;
- int16_t MOTO2_PWM = 0;
- int16_t MOTO3_PWM = 0;
- int16_t MOTO4_PWM = 0;
- void Moto_PwmRflash(int16_t MOTO1_PWM,int16_t MOTO2_PWM,int16_t MOTO3_PWM,int16_t MOTO4_PWM)
- {
- if(MOTO1_PWM>Moto_PwmMax) MOTO1_PWM = Moto_PwmMax;
- if(MOTO2_PWM>Moto_PwmMax) MOTO2_PWM = Moto_PwmMax;
- if(MOTO3_PWM>Moto_PwmMax) MOTO3_PWM = Moto_PwmMax;
- if(MOTO4_PWM>Moto_PwmMax) MOTO4_PWM = Moto_PwmMax;
- if(MOTO1_PWM<0) MOTO1_PWM = 0;
- if(MOTO2_PWM<0) MOTO2_PWM = 0;
- if(MOTO3_PWM<0) MOTO3_PWM = 0;
- if(MOTO4_PWM<0) MOTO4_PWM = 0;
-
- TIM4->CCR3 = MOTO4_PWM;//motor4 L U
- TIM4->CCR4 = MOTO3_PWM;//motor1 R U
- TIM3->CCR3 = MOTO2_PWM;//motor2 R D
- TIM3->CCR4 = MOTO1_PWM;//motor3 L D
- }
- void Time3_Mode_Config()
- {
- uint16_t CCR_Val=800;
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStruct;
- TIM_OCInitTypeDef TIM_OCInitStruct;
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM3, ENABLE);
- TIM_TimeBaseStruct.TIM_Period=999;
- TIM_TimeBaseStruct.TIM_Prescaler=(uint16_t) (SystemCoreClock / 24000000) - 1;
- TIM_TimeBaseStruct.TIM_CounterMode=TIM_CounterMode_Up;
- TIM_TimeBaseStruct.TIM_ClockDivision = 0;
- TIM_TimeBaseInit(TIM3,&TIM_TimeBaseStruct);
-
-
- TIM_OCInitStruct.TIM_OCMode=TIM_OCMode_PWM1;
- TIM_OCInitStruct.TIM_OutputState=TIM_OutputState_Enable;
- TIM_OCInitStruct.TIM_Pulse=CCR_Val;
- TIM_OCInitStruct.TIM_OCPolarity=TIM_OCPolarity_High;
- TIM_OC3Init(TIM3, &TIM_OCInitStruct);
- TIM_OC3PreloadConfig(TIM3, TIM_OCPreload_Enable);
- TIM_OC4Init(TIM3, &TIM_OCInitStruct);
- TIM_OC4PreloadConfig(TIM3, TIM_OCPreload_Enable);
- TIM_ARRPreloadConfig(TIM3,ENABLE);
- TIM_Cmd(TIM3,ENABLE);
-
- }
- void Time4_Mode_Config()
- {
- uint16_t CCR_Val=800;
- TIM_TimeBaseInitTypeDef TIM_TimeBaseStruct;
- TIM_OCInitTypeDef TIM_OCInitStruct;
- RCC_APB1PeriphClockCmd(RCC_APB1Periph_TIM4, ENABLE);
- TIM_TimeBaseStruct.TIM_Period=999;
- TIM_TimeBaseStruct.TIM_Prescaler=(uint16_t) (SystemCoreClock / 24000000) - 1;
- TIM_TimeBaseStruct.TIM_CounterMode=TIM_CounterMode_Up;
- TIM_TimeBaseStruct.TIM_ClockDivision = 0;
- TIM_TimeBaseInit(TIM4,&TIM_TimeBaseStruct);
-
-
- TIM_OCInitStruct.TIM_OCMode=TIM_OCMode_PWM1;
- TIM_OCInitStruct.TIM_OutputState=TIM_OutputState_Enable;
- TIM_OCInitStruct.TIM_Pulse=CCR_Val;//配置占空比的值
- TIM_OCInitStruct.TIM_OCPolarity=TIM_OCPolarity_High;
- TIM_OC3Init(TIM4, &TIM_OCInitStruct);
- TIM_OC3PreloadConfig(TIM4, TIM_OCPreload_Enable);
- TIM_OC4Init(TIM4, &TIM_OCInitStruct);
- TIM_OC4PreloadConfig(TIM4, TIM_OCPreload_Enable);
- TIM_ARRPreloadConfig(TIM4,ENABLE);
- TIM_Cmd(TIM4,ENABLE);
-
- }
- void Motor_GPIO_Config()
- {
- GPIO_InitTypeDef GPIO_InitStruct;
-
- RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB|RCC_APB2Periph_AFIO, ENABLE);
-
- GPIO_InitStruct.GPIO_Pin=GPIO_Pin_0|GPIO_Pin_1|GPIO_Pin_8|GPIO_Pin_9;
- GPIO_InitStruct.GPIO_Speed=GPIO_Speed_50MHz;
- GPIO_InitStruct.GPIO_Mode=GPIO_Mode_AF_PP ;
-
- GPIO_Init(GPIOB,&GPIO_InitStruct);
- }
- void Motor_Init(void)
- {
- Motor_GPIO_Config();
- Time3_Mode_Config();
- Time4_Mode_Config();
- }
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