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  • 直流电机驱动,TIMER口配置

    电机的电压输出能力和频率有关???

    修改前:---------------------------------------------------------------------------------------------------------------------------------------------

    void MX_TIM4_Init(void)
    {
    TIM_MasterConfigTypeDef sMasterConfig;
    TIM_OC_InitTypeDef sConfigOC;

    htim4.Instance = TIM4;
    htim4.Init.Prescaler = 1; //72/2 = 36Mhz 
    htim4.Init.CounterMode = TIM_COUNTERMODE_UP;
    htim4.Init.Period = 3000; //邓工讨论时说,不能设置为3000,3000的话电机的驱动能力太弱, 
    htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
    if (HAL_TIM_PWM_Init(&htim4) != HAL_OK)
    {
    Error_Handler();
    }

    sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
    sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
    if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK)
    {
    Error_Handler();
    }

    sConfigOC.OCMode = TIM_OCMODE_PWM1;
    sConfigOC.Pulse = 0;
    sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
    sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
    if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
    {
    Error_Handler();
    }

    if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
    {
    Error_Handler();
    }

    if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
    {
    Error_Handler();
    }

    if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
    {
    Error_Handler();
    }

    HAL_TIM_MspPostInit(&htim4);

    }

    修改后:---------------------------------------------------------------------------------------------------------------------------------------------

    void MX_TIM4_Init(void)
    {
    TIM_MasterConfigTypeDef sMasterConfig;
    TIM_OC_InitTypeDef sConfigOC;

    htim4.Instance = TIM4;
    htim4.Init.Prescaler = 5; //72/6 = 12Mhz 
    htim4.Init.CounterMode = TIM_COUNTERMODE_UP;
    htim4.Init.Period = 1000; //邓工讨论时说,不能设置为3000,3000的话电机的驱动能力太弱, 
    htim4.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
    if (HAL_TIM_PWM_Init(&htim4) != HAL_OK)
    {
    Error_Handler();
    }

    sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
    sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
    if (HAL_TIMEx_MasterConfigSynchronization(&htim4, &sMasterConfig) != HAL_OK)
    {
    Error_Handler();
    }

    sConfigOC.OCMode = TIM_OCMODE_PWM1;
    sConfigOC.Pulse = 0;
    sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
    sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
    if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_1) != HAL_OK)
    {
    Error_Handler();
    }

    if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_2) != HAL_OK)
    {
    Error_Handler();
    }

    if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_3) != HAL_OK)
    {
    Error_Handler();
    }

    if (HAL_TIM_PWM_ConfigChannel(&htim4, &sConfigOC, TIM_CHANNEL_4) != HAL_OK)
    {
    Error_Handler();
    }

    HAL_TIM_MspPostInit(&htim4);

    }

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  • 原文地址:https://www.cnblogs.com/sshbit/p/10517422.html
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