openloco

/**
  ******************************************************************************
  * @file    tim.c
  * @brief   This file provides code for the configuration
  *          of the TIM instances.
  ******************************************************************************
  * @attention
  *
  * Copyright (c) 2022 STMicroelectronics.
  * All rights reserved.
  *
  * This software is licensed under terms that can be found in the LICENSE file
  * in the root directory of this software component.
  * If no LICENSE file comes with this software, it is provided AS-IS.
  *
  ******************************************************************************
  */

#include "tim.h"

TIM_HandleTypeDef htim2;
TIM_HandleTypeDef htim22;

/* TIM2 init function */
void MX_TIM2_Init(void)
{

	TIM_ClockConfigTypeDef sClockSourceConfig = {0};
	TIM_MasterConfigTypeDef sMasterConfig = {0};

	htim2.Instance = TIM2;
	htim2.Init.Prescaler = 32-1;
	htim2.Init.CounterMode = TIM_COUNTERMODE_UP;
	htim2.Init.Period = 65535;
	htim2.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
	htim2.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
	if (HAL_TIM_Base_Init(&htim2) != HAL_OK) {
		Error_Handler();
	}

	sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
	if (HAL_TIM_ConfigClockSource(&htim2, &sClockSourceConfig) != HAL_OK) {
		Error_Handler();
	}

	sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
	sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
	if (HAL_TIMEx_MasterConfigSynchronization(&htim2, &sMasterConfig) != HAL_OK) {
		Error_Handler();
	}
}

/* TIM22 init function */
void MX_TIM22_Init(void)
{
	TIM_ClockConfigTypeDef sClockSourceConfig = {0};
	TIM_MasterConfigTypeDef sMasterConfig = {0};
	TIM_OC_InitTypeDef sConfigOC = {0};

	htim22.Instance = TIM22;
	htim22.Init.Prescaler = 12-1;
	htim22.Init.CounterMode = TIM_COUNTERMODE_UP;
	htim22.Init.Period = 128;
	htim22.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1;
	htim22.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
	if (HAL_TIM_Base_Init(&htim22) != HAL_OK) {
		Error_Handler();
	}

	sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL;
	if (HAL_TIM_ConfigClockSource(&htim22, &sClockSourceConfig) != HAL_OK) {
		Error_Handler();
	}

	if (HAL_TIM_OC_Init(&htim22) != HAL_OK) {
		Error_Handler();
	}

	if (HAL_TIM_PWM_Init(&htim22) != HAL_OK) {
		Error_Handler();
	}

	sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET;
	sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
	if (HAL_TIMEx_MasterConfigSynchronization(&htim22, &sMasterConfig) != HAL_OK) {
		Error_Handler();
	}

	sConfigOC.OCMode = TIM_OCMODE_FORCED_ACTIVE;
	sConfigOC.Pulse = 0;
	sConfigOC.OCPolarity = TIM_OCPOLARITY_HIGH;
	sConfigOC.OCFastMode = TIM_OCFAST_DISABLE;
	if (HAL_TIM_OC_ConfigChannel(&htim22, &sConfigOC, TIM_CHANNEL_1) != HAL_OK) {
		Error_Handler();
	}

	sConfigOC.OCMode = TIM_OCMODE_PWM1;
	if (HAL_TIM_PWM_ConfigChannel(&htim22, &sConfigOC, TIM_CHANNEL_2) != HAL_OK) {
		Error_Handler();
	}

	HAL_TIM_MspPostInit(&htim22);
}


void HAL_TIM_Base_MspInit(TIM_HandleTypeDef* tim_baseHandle)
{
	if (tim_baseHandle->Instance ==TIM2) {
		__HAL_RCC_TIM2_CLK_ENABLE();

		/* TIM2 interrupt Init */
		HAL_NVIC_SetPriority(TIM2_IRQn, 0, 0);
		HAL_NVIC_EnableIRQ(TIM2_IRQn);
	} else if (tim_baseHandle->Instance == TIM22) {
		__HAL_RCC_TIM22_CLK_ENABLE();
	}
}


void HAL_TIM_MspPostInit(TIM_HandleTypeDef* timHandle)
{

	GPIO_InitTypeDef GPIO_InitStruct = {0};
	if(timHandle->Instance==TIM22) {

		__HAL_RCC_GPIOA_CLK_ENABLE();
		/**
		 * TIM22 GPIO Configuration
		 * PA6     ------> TIM22_CH1
		 * PA7     ------> TIM22_CH2
		 */
		GPIO_InitStruct.Pin = IN_1_Pin|IN_2_Pin;
		GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
		GPIO_InitStruct.Pull = GPIO_NOPULL;
		GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_VERY_HIGH;
		GPIO_InitStruct.Alternate = GPIO_AF5_TIM22;
		HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
	}
}


void HAL_TIM_Base_MspDeInit(TIM_HandleTypeDef* tim_baseHandle)
{
	if(tim_baseHandle->Instance==TIM22) {
		__HAL_RCC_TIM22_CLK_DISABLE();
	}
}