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#include "motor.h" |
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void Motor_Init(void) |
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{ |
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GPIO_InitTypeDef GPIO_InitStructure; |
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB, ENABLE); //ʹ<EFBFBD><EFBFBD>PB<EFBFBD>˿<EFBFBD>ʱ<EFBFBD><EFBFBD> |
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_12 | GPIO_Pin_14; //<EFBFBD>˿<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> |
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; // |
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
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GPIO_Init(GPIOB, &GPIO_InitStructure); |
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} |
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void PWM_Init(u16 arr,u16 psc) |
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{ |
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GPIO_InitTypeDef GPIO_InitStructure; |
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TIM_TimeBaseInitTypeDef TIM_TimeBaseStructure; |
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TIM_OCInitTypeDef TIM_OCInitStructure; |
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Motor_Init(); |
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);// |
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RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA , ENABLE); //ʹ<EFBFBD><EFBFBD>GPIO<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> |
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//<EFBFBD><EFBFBD><EFBFBD>ø<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<EFBFBD><EFBFBD><EFBFBD>TIM1 CH1 CH4<EFBFBD><EFBFBD>PWM<EFBFBD><EFBFBD><EFBFBD>岨<EFBFBD><EFBFBD> |
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GPIO_InitStructure.GPIO_Pin = GPIO_Pin_11; //TIM_CH1 //TIM_CH4 |
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //<EFBFBD><EFBFBD><EFBFBD><EFBFBD> |
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; |
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GPIO_Init(GPIOA, &GPIO_InitStructure); |
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TIM_TimeBaseStructure.TIM_Period = arr; //<EFBFBD>һ¼<EFBFBD>װ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Զ<EFBFBD><EFBFBD><EFBFBD>װ<EFBFBD>ؼĴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڵ<EFBFBD>ֵ |
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TIM_TimeBaseStructure.TIM_Prescaler =psc; //<EFBFBD><EFBFBD><EFBFBD>ΪTIMxʱ<EFBFBD><EFBFBD>Ƶ<EFBFBD>ʳ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ԥ<EFBFBD><EFBFBD>Ƶֵ <EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƶ |
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TIM_TimeBaseStructure.TIM_ClockDivision = 0; //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ӷָ<EFBFBD>:TDTS = Tck_tim |
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TIM_TimeBaseStructure.TIM_CounterMode = TIM_CounterMode_Up; //TIM<EFBFBD><EFBFBD><EFBFBD>ϼ<EFBFBD><EFBFBD><EFBFBD>ģʽ |
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TIM_TimeBaseInit(TIM1, &TIM_TimeBaseStructure); //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>TIM_TimeBaseInitStruct<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD>TIMx<EFBFBD><EFBFBD>ʱλ |
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TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1; //ѡ<EFBFBD><EFBFBD>ʱ<EFBFBD><EFBFBD>ģʽ:TIM<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȵ<EFBFBD><EFBFBD><EFBFBD>ģʽ1 |
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TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable; //<EFBFBD>Ƚ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> |
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TIM_OCInitStructure.TIM_Pulse = 0; //<EFBFBD><EFBFBD><EFBFBD>ô<EFBFBD>װ<EFBFBD>벶<EFBFBD><EFBFBD>ȽϼĴ<EFBFBD><EFBFBD>ֵ |
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TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High; //:TIM<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ƚϼ<EFBFBD><EFBFBD>Ը<EFBFBD> |
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TIM_OC1Init(TIM1, &TIM_OCInitStructure); //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>TIM_OCInitStruct<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>TIMx |
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TIM_OC4Init(TIM1, &TIM_OCInitStructure); //<EFBFBD><EFBFBD><EFBFBD><EFBFBD>TIM_OCInitStruct<EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>TIMx |
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TIM_CtrlPWMOutputs(TIM1,ENABLE); //MOE <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> |
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TIM_OC1PreloadConfig(TIM1, TIM_OCPreload_Enable); //CH1Ԥװ<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> |
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TIM_OC4PreloadConfig(TIM1, TIM_OCPreload_Enable); //CH4Ԥװ<EFBFBD><EFBFBD>ʹ<EFBFBD><EFBFBD> |
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TIM_ARRPreloadConfig(TIM1, ENABLE); //ʹ<EFBFBD><EFBFBD>TIMx<EFBFBD><EFBFBD>ARR<EFBFBD>ϵ<EFBFBD>Ԥװ<EFBFBD>ؼĴ<EFBFBD><EFBFBD><EFBFBD> |
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TIM_Cmd(TIM1, ENABLE); //ʹ<EFBFBD><EFBFBD>TIM1 |
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} |
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