Example #1
0
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base)
{

  if(htim_base->Instance==TIM16)
  {
  /* USER CODE BEGIN TIM16_MspInit 0 */

  /* USER CODE END TIM16_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_TIM16_CLK_ENABLE();
  /* USER CODE BEGIN TIM16_MspInit 1 */

  /* USER CODE END TIM16_MspInit 1 */
  }
  else if(htim_base->Instance==TIM17)
  {
  /* USER CODE BEGIN TIM17_MspInit 0 */

  /* USER CODE END TIM17_MspInit 0 */
    /* Peripheral clock enable */
    __HAL_RCC_TIM17_CLK_ENABLE();
  /* USER CODE BEGIN TIM17_MspInit 1 */

  /* USER CODE END TIM17_MspInit 1 */
  }
}
Example #2
0
void pwmout_init(pwmout_t* obj, PinName pin)
{
    // Get the peripheral name from the pin and assign it to the object
    obj->pwm = (PWMName)pinmap_peripheral(pin, PinMap_PWM);
    MBED_ASSERT(obj->pwm != (PWMName)NC);

    // Get the pin function and assign the used channel to the object
    uint32_t function = pinmap_function(pin, PinMap_PWM);
    MBED_ASSERT(function != (uint32_t)NC);
    obj->channel = STM_PIN_CHANNEL(function);
    obj->inverted = STM_PIN_INVERTED(function);

    // Enable TIM clock
    if (obj->pwm == PWM_1) __HAL_RCC_TIM1_CLK_ENABLE();
    if (obj->pwm == PWM_2) __HAL_RCC_TIM2_CLK_ENABLE();
#if defined(TIM3_BASE)
    if (obj->pwm == PWM_3) __HAL_RCC_TIM3_CLK_ENABLE();
#endif
#if defined(TIM4_BASE)
    if (obj->pwm == PWM_4) __HAL_RCC_TIM4_CLK_ENABLE();
#endif
#if defined(TIM5_BASE)
    if (obj->pwm == PWM_5) __HAL_RCC_TIM5_CLK_ENABLE();
#endif
#if defined(TIM8_BASE)
    if (obj->pwm == PWM_8) __HAL_RCC_TIM8_CLK_ENABLE();
#endif
    if (obj->pwm == PWM_15) __HAL_RCC_TIM15_CLK_ENABLE();
    if (obj->pwm == PWM_16) __HAL_RCC_TIM16_CLK_ENABLE();
#if defined(TIM17_BASE)
    if (obj->pwm == PWM_17) __HAL_RCC_TIM17_CLK_ENABLE();
#endif

    // Configure GPIO
    pinmap_pinout(pin, PinMap_PWM);

    obj->pin = pin;
    obj->period = 0;
    obj->pulse = 0;
    obj->prescaler = 1;

    pwmout_period_us(obj, 20000); // 20 ms per default
}