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 functions (timer channel, (non)inverted) from the pin and assign it 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 (obj->pwm == PWM_3) __HAL_RCC_TIM3_CLK_ENABLE(); if (obj->pwm == PWM_4) __HAL_RCC_TIM4_CLK_ENABLE(); if (obj->pwm == PWM_8) __HAL_RCC_TIM8_CLK_ENABLE(); if (obj->pwm == PWM_9) __HAL_RCC_TIM9_CLK_ENABLE(); if (obj->pwm == PWM_10) __HAL_RCC_TIM10_CLK_ENABLE(); if (obj->pwm == PWM_11) __HAL_RCC_TIM11_CLK_ENABLE(); if (obj->pwm == PWM_12) __HAL_RCC_TIM12_CLK_ENABLE(); if (obj->pwm == PWM_13) __HAL_RCC_TIM13_CLK_ENABLE(); if (obj->pwm == PWM_14) __HAL_RCC_TIM14_CLK_ENABLE(); // 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 }
/** * @brief TIM_Base MSP Initialization * This function configures the hardware resources used in this example * @param htim_base: TIM_Base handle pointer * @retval None */ void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base) { if(htim_base->Instance==TIM2) { /* USER CODE BEGIN TIM2_MspInit 0 */ /* USER CODE END TIM2_MspInit 0 */ /* Peripheral clock enable */ __HAL_RCC_TIM2_CLK_ENABLE(); /* USER CODE BEGIN TIM2_MspInit 1 */ /* USER CODE END TIM2_MspInit 1 */ } else if(htim_base->Instance==TIM14) { /* USER CODE BEGIN TIM14_MspInit 0 */ /* USER CODE END TIM14_MspInit 0 */ /* Peripheral clock enable */ __HAL_RCC_TIM14_CLK_ENABLE(); /* USER CODE BEGIN TIM14_MspInit 1 */ /* USER CODE END TIM14_MspInit 1 */ } else 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 */ } }
/** * @brief This function configures the TIM14 as a time base source. * The time source is configured to have 1ms time base with a dedicated * Tick interrupt priority. * @note This function is called automatically at the beginning of program after * reset by HAL_Init() or at any time when clock is configured, by HAL_RCC_ClockConfig(). * @param TickPriority: Tick interrupt priorty. * @retval HAL status */ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) { RCC_ClkInitTypeDef clkconfig; uint32_t uwTimclock = 0; uint32_t uwPrescalerValue = 0; uint32_t pFLatency; /*Configure the TIM14 IRQ priority */ HAL_NVIC_SetPriority(TIM8_TRG_COM_TIM14_IRQn, TickPriority ,0); /* Enable the TIM14 global Interrupt */ HAL_NVIC_EnableIRQ(TIM8_TRG_COM_TIM14_IRQn); /* Enable TIM14 clock */ __HAL_RCC_TIM14_CLK_ENABLE(); /* Get clock configuration */ HAL_RCC_GetClockConfig(&clkconfig, &pFLatency); /* Compute TIM14 clock */ uwTimclock = HAL_RCC_GetPCLK1Freq(); /* Compute the prescaler value to have TIM14 counter clock equal to 1MHz */ uwPrescalerValue = (uint32_t) ((uwTimclock / 1000000) - 1); /* Initialize TIM14 */ htim14.Instance = TIM14; /* Initialize TIMx peripheral as follow: + Period = [(TIM14CLK/1000) - 1]. to have a (1/1000) s time base. + Prescaler = (uwTimclock/1000000 - 1) to have a 1MHz counter clock. + ClockDivision = 0 + Counter direction = Up */ htim14.Init.Period = (1000000 / 1000) - 1; htim14.Init.Prescaler = uwPrescalerValue; htim14.Init.ClockDivision = 0; htim14.Init.CounterMode = TIM_COUNTERMODE_UP; if(HAL_TIM_Base_Init(&htim14) == HAL_OK) { /* Start the TIM time Base generation in interrupt mode */ return HAL_TIM_Base_Start_IT(&htim14); } /* Return function status */ return HAL_ERROR; }
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base) { if(htim_base->Instance==TIM14) { /* USER CODE BEGIN TIM14_MspInit 0 */ /* USER CODE END TIM14_MspInit 0 */ /* Peripheral clock enable */ __HAL_RCC_TIM14_CLK_ENABLE(); /* Peripheral interrupt init */ HAL_NVIC_SetPriority(TIM14_IRQn, 0, 0); HAL_NVIC_EnableIRQ(TIM14_IRQn); /* USER CODE BEGIN TIM14_MspInit 1 */ /* USER CODE END TIM14_MspInit 1 */ } }
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* htim_base) { GPIO_InitTypeDef GPIO_InitStruct; if(htim_base->Instance==TIM2) { /* USER CODE BEGIN TIM2_MspInit 0 */ /* USER CODE END TIM2_MspInit 0 */ /* Peripheral clock enable */ __HAL_RCC_TIM2_CLK_ENABLE(); /**TIM2 GPIO Configuration PA0 ------> TIM2_CH1 */ GPIO_InitStruct.Pin = GPIO_PIN_0; GPIO_InitStruct.Mode = GPIO_MODE_AF_PP; GPIO_InitStruct.Pull = GPIO_NOPULL; GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; GPIO_InitStruct.Alternate = GPIO_AF2_TIM2; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); /* USER CODE BEGIN TIM2_MspInit 1 */ /* USER CODE END TIM2_MspInit 1 */ } else if(htim_base->Instance==TIM14) { /* USER CODE BEGIN TIM14_MspInit 0 */ /* USER CODE END TIM14_MspInit 0 */ /* Peripheral clock enable */ __HAL_RCC_TIM14_CLK_ENABLE(); /* USER CODE BEGIN TIM14_MspInit 1 */ /* USER CODE END TIM14_MspInit 1 */ } }
void enableGPIOPowerUsageAndNoiseReductions(void) { // AHB1 __HAL_RCC_BKPSRAM_CLK_ENABLE(); __HAL_RCC_DTCMRAMEN_CLK_ENABLE(); __HAL_RCC_DMA2_CLK_ENABLE(); __HAL_RCC_USB_OTG_HS_CLK_ENABLE(); __HAL_RCC_USB_OTG_HS_ULPI_CLK_ENABLE(); __HAL_RCC_GPIOA_CLK_ENABLE(); __HAL_RCC_GPIOB_CLK_ENABLE(); __HAL_RCC_GPIOC_CLK_ENABLE(); __HAL_RCC_GPIOD_CLK_ENABLE(); __HAL_RCC_GPIOE_CLK_ENABLE(); __HAL_RCC_GPIOF_CLK_ENABLE(); __HAL_RCC_GPIOG_CLK_ENABLE(); __HAL_RCC_GPIOH_CLK_ENABLE(); __HAL_RCC_GPIOI_CLK_ENABLE(); #ifndef STM32F722xx __HAL_RCC_DMA2D_CLK_ENABLE(); __HAL_RCC_GPIOJ_CLK_ENABLE(); __HAL_RCC_GPIOK_CLK_ENABLE(); #endif //APB1 __HAL_RCC_TIM2_CLK_ENABLE(); __HAL_RCC_TIM3_CLK_ENABLE(); __HAL_RCC_TIM4_CLK_ENABLE(); __HAL_RCC_TIM5_CLK_ENABLE(); __HAL_RCC_TIM6_CLK_ENABLE(); __HAL_RCC_TIM7_CLK_ENABLE(); __HAL_RCC_TIM12_CLK_ENABLE(); __HAL_RCC_TIM13_CLK_ENABLE(); __HAL_RCC_TIM14_CLK_ENABLE(); __HAL_RCC_LPTIM1_CLK_ENABLE(); __HAL_RCC_SPI2_CLK_ENABLE(); __HAL_RCC_SPI3_CLK_ENABLE(); __HAL_RCC_USART2_CLK_ENABLE(); __HAL_RCC_USART3_CLK_ENABLE(); __HAL_RCC_UART4_CLK_ENABLE(); __HAL_RCC_UART5_CLK_ENABLE(); __HAL_RCC_I2C1_CLK_ENABLE(); __HAL_RCC_I2C2_CLK_ENABLE(); __HAL_RCC_I2C3_CLK_ENABLE(); __HAL_RCC_CAN1_CLK_ENABLE(); __HAL_RCC_DAC_CLK_ENABLE(); __HAL_RCC_UART7_CLK_ENABLE(); __HAL_RCC_UART8_CLK_ENABLE(); #ifndef STM32F722xx __HAL_RCC_I2C4_CLK_ENABLE(); __HAL_RCC_CAN2_CLK_ENABLE(); __HAL_RCC_CEC_CLK_ENABLE(); #endif //APB2 __HAL_RCC_TIM1_CLK_ENABLE(); __HAL_RCC_TIM8_CLK_ENABLE(); __HAL_RCC_USART1_CLK_ENABLE(); __HAL_RCC_USART6_CLK_ENABLE(); __HAL_RCC_ADC1_CLK_ENABLE(); __HAL_RCC_ADC2_CLK_ENABLE(); __HAL_RCC_ADC3_CLK_ENABLE(); __HAL_RCC_SDMMC1_CLK_ENABLE(); __HAL_RCC_SPI1_CLK_ENABLE(); __HAL_RCC_SPI4_CLK_ENABLE(); __HAL_RCC_TIM9_CLK_ENABLE(); __HAL_RCC_TIM10_CLK_ENABLE(); __HAL_RCC_TIM11_CLK_ENABLE(); __HAL_RCC_SPI5_CLK_ENABLE(); __HAL_RCC_SAI1_CLK_ENABLE(); __HAL_RCC_SAI2_CLK_ENABLE(); #ifndef STM32F722xx __HAL_RCC_SPI6_CLK_ENABLE(); #endif // // GPIO_InitTypeDef GPIO_InitStructure; // GPIO_StructInit(&GPIO_InitStructure); // GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP; // default is un-pulled input // // GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All; // GPIO_InitStructure.GPIO_Pin &= ~(GPIO_Pin_11 | GPIO_Pin_12); // leave USB D+/D- alone // // GPIO_InitStructure.GPIO_Pin &= ~(GPIO_Pin_13 | GPIO_Pin_14); // leave JTAG pins alone // GPIO_Init(GPIOA, &GPIO_InitStructure); // // GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All; // GPIO_Init(GPIOB, &GPIO_InitStructure); // // GPIO_InitStructure.GPIO_Pin = GPIO_Pin_All; // GPIO_Init(GPIOC, &GPIO_InitStructure); // GPIO_Init(GPIOD, &GPIO_InitStructure); // GPIO_Init(GPIOE, &GPIO_InitStructure); }