stm32 控制 ir2104 mos pid 制冷加热 温度控制代码

以下是一个基于STM32和IR2104 MOS的PID温度控制代码的例子，可以控制制冷和加热：

#include "stm32f10x.h"
#include "ir2104.h"
#include "pid.h"

#define PWM_PERIOD 1000

uint16_t temperature = 0;
uint16_t setpoint = 25;   // 设定温度

void ADC1_IRQHandler(void)
{
    if (ADC_GetITStatus(ADC1, ADC_IT_EOC))
    {
        temperature = ADC_GetConversionValue(ADC1);
        ADC_ClearITPendingBit(ADC1, ADC_IT_EOC);
    }
}

int main(void)
{
    // 初始化ADC
    ADC_InitTypeDef ADC_InitStructure;
    GPIO_InitTypeDef GPIO_InitStructure;

    RCC_APB2PeriphClockCmd(RCC_APB2Periph_ADC1 | RCC_APB2Periph_GPIOA, ENABLE);

    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_1;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AIN;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

    ADC_InitStructure.ADC_Mode = ADC_Mode_Independent;
    ADC_InitStructure.ADC_ScanConvMode = DISABLE;
    ADC_InitStructure.ADC_ContinuousConvMode = ENABLE;
    ADC_InitStructure.ADC_ExternalTrigConv = ADC_ExternalTrigConv_None;
    ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
    ADC_InitStructure.ADC_NbrOfChannel = 1;
    ADC_Init(ADC1, &ADC_InitStructure);

    ADC_RegularChannelConfig(ADC1, ADC_Channel_1, 1, ADC_SampleTime_71Cycles5);

    ADC_ITConfig(ADC1, ADC_IT_EOC, ENABLE);

    ADC_Cmd(ADC1, ENABLE);

    NVIC_EnableIRQ(ADC1_IRQn);

    // 初始化PWM
    GPIO_InitStructure.GPIO_Pin = GPIO_Pin_8;
    GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
    GPIO_Init(GPIOA, &GPIO_InitStructure);

    TIM_TimeBaseInitTypeDef TIM_TimeBaseInitStructure;
    TIM_OCInitTypeDef TIM_OCInitStructure;

    RCC_APB2PeriphClockCmd(RCC_APB2Periph_TIM1, ENABLE);

    TIM_TimeBaseInitStructure.TIM_Period = PWM_PERIOD - 1;
    TIM_TimeBaseInitStructure.TIM_Prescaler = 72 - 1;
    TIM_TimeBaseInitStructure.TIM_ClockDivision = TIM_CKD_DIV1;
    TIM_TimeBaseInitStructure.TIM_CounterMode = TIM_CounterMode_Up;
    TIM_TimeBaseInit(TIM1, &TIM_TimeBaseInitStructure);

    TIM_OCInitStructure.TIM_OCMode = TIM_OCMode_PWM1;
    TIM_OCInitStructure.TIM_OutputState = TIM_OutputState_Enable;
    TIM_OCInitStructure.TIM_Pulse = 0;
    TIM_OCInitStructure.TIM_OCPolarity = TIM_OCPolarity_High;
    TIM_OC1Init(TIM1, &TIM_OCInitStructure);

    TIM_Cmd(TIM1, ENABLE);

    // 初始化IR2104 MOS控制器
    IR2104_Init();

    // 初始化PID控制器
    PID_Init(setpoint, 0.1, 0.01, 0.01);

    while (1)
    {
        // 读取当前温度值
        ADC_SoftwareStartConvCmd(ADC1, ENABLE);

        // 计算PID控制量
        float output = PID_Compute(temperature);

        // 将PID控制量转换为占空比
        uint16_t duty = PWM_PERIOD * output;

        // 设置PWM输出占空比
        TIM_SetCompare1(TIM1, duty);

        // 控制MOS管
        if (output > 0)
        {
            IR2104_SetHigh();
        }
        else
        {
            IR2104_SetLow();
        }
    }
}

在这个例子中，我们使用了STM32的ADC模块来读取温度值，然后将其输入到PID控制器中进行计算。PID控制器根据设定温度和当前温度的差值计算出控制量，然后将控制量转换为PWM占空比，并输出到IR2104 MOS控制器中控制MOS管的开关，从而实现加热或制冷的控制。