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61 lines
1.4 KiB
61 lines
1.4 KiB
2 weeks ago
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/*
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* blowers_pwm_action.c
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*
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* Created on: Apr 9, 2026
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* Author: SHI
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*/
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#include "blowers_pwm_action.h"
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#include "tim.h" // 用于 HAL_TIM_PWM_Start 等
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static void Blowers_On_Do(transition_t *p_this);
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static void Blowers_Off_Do(transition_t *p_this);
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static void setBlowersSpeed(uint8_t percent);
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transition_t current_blowers_state;
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transition_state_t blowers_on_state = {NULL, Blowers_On_Do, NULL};
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transition_state_t blowers_off_state= {NULL, Blowers_Off_Do,NULL};
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static void Blowers_On_Do(transition_t *p_this)
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{
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setBlowersSpeed(GV.speed_blowers_pwm);
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}
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static void Blowers_Off_Do(transition_t *p_this)
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{
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setBlowersSpeed(0);
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}
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// 风机转速百分比控制 (0~100)
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// 0%: 停止, 10%: 最低速, 90%: 最高速
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static void setBlowersSpeed(uint8_t percent)
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{
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uint32_t pulse;
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if (percent <= 0)
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{
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pulse = 0; // 停止 (占空比 <10%)
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} else if (percent < 10)
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{
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pulse = 100; // 最低速 (占空比 10%)
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} else if (percent > 90)
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{
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pulse = 900; // 最高速 (占空比 90%)
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} else
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{
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pulse = 100 + (percent - 10) * 10;// 线性映射 10%~90% → 100~900
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}
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__HAL_TIM_SET_COMPARE(&htim2, TIM_CHANNEL_1, pulse);
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}
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// 风机控制初始化 (在 初始化 中调用)
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void blowers_Control_Init(void)
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{
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// 启动 TIM2 PWM 输出
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HAL_TIM_PWM_Start(&htim2, TIM_CHANNEL_1);
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// 初始设置为停止
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setBlowersSpeed(0);
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}
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