/*
 * blowers_pwm_action.c
 *
 *  Created on: Apr 9, 2026
 *      Author: SHI
 */

#include "blowers_pwm_action.h"
#include "tim.h"  // 用于 HAL_TIM_PWM_Start 等

static void Blowers_On_Do(transition_t *p_this);
static void Blowers_Off_Do(transition_t *p_this);
static void setBlowersSpeed(uint8_t percent);

transition_t   current_blowers_state;
transition_state_t   blowers_on_state = {NULL, Blowers_On_Do, NULL};
transition_state_t   blowers_off_state= {NULL, Blowers_Off_Do,NULL};


static void Blowers_On_Do(transition_t *p_this)
{
	setBlowersSpeed(GV.speed_blowers_pwm);
}

static void Blowers_Off_Do(transition_t *p_this)
{
	setBlowersSpeed(0);
}

// 风机转速百分比控制 (0~100)
// 0%: 停止, 10%: 最低速, 90%: 最高速
static void setBlowersSpeed(uint8_t percent)
{
    uint32_t pulse;

    if (percent <= 0)
    {
        pulse = 0;           // 停止 (占空比 <10%)
    } else if (percent < 10)
    {
        pulse = 100;         // 最低速 (占空比 10%)
    } else if (percent > 90)
    {
        pulse = 900;         // 最高速 (占空比 90%)
    } else
    {
        pulse = 100 + (percent - 10) * 10;// 线性映射 10%~90% → 100~900
    }

    __HAL_TIM_SET_COMPARE(&htim2, TIM_CHANNEL_1, pulse);
}

// 风机控制初始化 (在 初始化 中调用)
void blowers_Control_Init(void)
{
    // 启动 TIM2 PWM 输出
    HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_1);
    // 初始设置为停止
    setBlowersSpeed(0);
}