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/**
*******************************************************************************
* @file PWM_config.c
* @author BLE Mesh Team
* @brief Configuration file for PWM.
*******************************************************************************
* @attention
*
* <h2><center>© Copyright (c) 2019 STMicroelectronics.
* All rights reserved.</center></h2>
*
* This software component is licensed by ST under Ultimate Liberty license
* SLA0044, the "License"; You may not use this file except in compliance with
* the License. You may obtain a copy of the License at:
* www.st.com/SLA0044
*
*******************************************************************************
*/
/* Includes ------------------------------------------------------------------*/
#include "hal_common.h"
#include "PWM_config.h"
extern TIM_HandleTypeDef htim1;
extern TIM_HandleTypeDef htim2;
#define PRESCALER_VALUE (uint32_t)(((SystemCoreClock) / 1000000) - 1)
/**
*@brief Configure PWM sources and GPIO
*@retval None
*/
void PWM_Init()
{
TIM_OC_InitTypeDef sConfigOC = {0};
TIM_MasterConfigTypeDef sMasterConfig = {0};
/* GPIO Configuration */
GPIO_InitTypeDef GPIO_InitStructure = {0};
/* Configure PWM pins */
GPIO_InitStructure.Pin = PWM0_PIN | PWM1_PIN;
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
GPIO_InitStructure.Pull = GPIO_PULLUP;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStructure.Alternate = GPIO_AF1_TIM1;
HAL_GPIO_Init(GPIOD, &GPIO_InitStructure);
/* Configure PWM pins */
GPIO_InitStructure.Pin = PWM2_PIN | PWM3_PIN | PWM4_PIN;
GPIO_InitStructure.Mode = GPIO_MODE_AF_PP;
GPIO_InitStructure.Pull = GPIO_PULLUP;
GPIO_InitStructure.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
GPIO_InitStructure.Alternate = GPIO_AF1_TIM2;
HAL_GPIO_Init(GPIOA, &GPIO_InitStructure);
/* MFT Configuration */
HAL_NVIC_SetPriority((IRQn_Type)(TIM1_CC_IRQn), 15, 0);
HAL_NVIC_EnableIRQ((IRQn_Type)(TIM1_CC_IRQn));
HAL_NVIC_SetPriority((IRQn_Type)(TIM2_IRQn), 15, 0);
HAL_NVIC_EnableIRQ((IRQn_Type)(TIM2_IRQn));
htim1.Instance = TIM1;
htim1.Init.Prescaler = 0/*PRESCALER_VALUE*/;
htim1.Init.CounterMode = TIM_COUNTERMODE_UP;
htim1.Init.Period = TIME_PERIOD;
htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
HAL_TIM_PWM_Init(&htim1);
htim2.Instance = TIM2;
htim2.Init.Prescaler = 0/*PRESCALER_VALUE*/;
htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
htim2.Init.Period = TIME_PERIOD;
htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
HAL_TIM_PWM_Init(&htim2);
sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig);
HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig);
sConfigOC.OCMode = TIM_OCMODE_PWM1;
sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
sConfigOC.Pulse = MFT1_TON_1;
HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_1);
sConfigOC.Pulse = MFT2_TON_1;
HAL_TIM_PWM_ConfigChannel(&htim1, &sConfigOC, TIM_CHANNEL_2);
sConfigOC.Pulse = MFT1_TON_2;
HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_1);
sConfigOC.Pulse = MFT2_TON_2;
HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_2);
sConfigOC.Pulse = MFT2_TON_3;
HAL_TIM_PWM_ConfigChannel(&htim2, &sConfigOC, TIM_CHANNEL_3);
/* Start channel 1 */
HAL_TIM_PWM_Start_IT(&htim1, TIM_CHANNEL_1);
/* Start channel 2 */
HAL_TIM_PWM_Start_IT(&htim1, TIM_CHANNEL_2);
/* Start channel 1 */
HAL_TIM_PWM_Start_IT(&htim2, TIM_CHANNEL_1);
/* Start channel 2 */
HAL_TIM_PWM_Start_IT(&htim2, TIM_CHANNEL_2);
/* Start channel 3 */
HAL_TIM_PWM_Start_IT(&htim2, TIM_CHANNEL_3);
}
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