/*
 * FanControl.cpp
 *
 *  Created on: 27.07.2023
 *      Author: Carst
 */

#include <stm32g0xx_ll_bus.h>
#include <stm32g0xx_ll_gpio.h>
#include <stm32g0xx_ll_tim.h>
#include "FanControl.hpp"

namespace ElektronischeLast
{
  FanControl::FanControl(void)
  {
    LL_TIM_InitTypeDef TIM_InitStruct = {
      .Prescaler = 0UL,
      .CounterMode = LL_TIM_COUNTERMODE_UP,
      .Autoreload = 2559UL,
      .ClockDivision = LL_TIM_CLOCKDIVISION_DIV1,
    };
    LL_TIM_Init(TIM3, &TIM_InitStruct);

    LL_TIM_DisableARRPreload(TIM3);
    LL_TIM_OC_EnablePreload(TIM3, LL_TIM_CHANNEL_CH1);
    LL_TIM_OC_InitTypeDef TIM_OC_InitStruct = {
      .OCMode = LL_TIM_OCMODE_PWM1,
      .OCState = LL_TIM_OCSTATE_ENABLE,
      .OCNState = LL_TIM_OCSTATE_DISABLE,
      .CompareValue = 0UL,
      .OCPolarity = LL_TIM_OCPOLARITY_HIGH,
    };
    LL_TIM_OC_Init(TIM3, LL_TIM_CHANNEL_CH1, &TIM_OC_InitStruct);
    LL_TIM_OC_DisableFast(TIM3, LL_TIM_CHANNEL_CH1);
    LL_TIM_SetTriggerOutput(TIM3, LL_TIM_TRGO_RESET);
    LL_TIM_DisableMasterSlaveMode(TIM3);

    /**TIM3 GPIO Configuration
    PC6   ------> TIM3_CH1
    */
    LL_GPIO_InitTypeDef GPIO_InitStruct = {
      .Pin = LL_GPIO_PIN_6,
      .Mode = LL_GPIO_MODE_ALTERNATE,
      .Speed = LL_GPIO_SPEED_FREQ_LOW,
      .OutputType = LL_GPIO_OUTPUT_PUSHPULL,
      .Pull = LL_GPIO_PULL_NO,
      .Alternate = LL_GPIO_AF_1,
    };
    LL_GPIO_Init(GPIOC, &GPIO_InitStruct);

    LL_TIM_EnableCounter(TIM3);

    this->compare_value = 0UL;
  }

  void FanControl::run(std::uint32_t temp)
  {
    LL_TIM_OC_SetCompareCH1(TIM3, this->compare_value);
  }
}