* 文件名称：pid_adj

* 摘 要：温度调整程序

使 用：1.使用PID_init和int_tb_pwm，初始化pid三个系数定时器1

2.调用PID_c，调用一次调整一次pwm值，以控制输出电压大小，进而控制温度-* File Name: pid_adj* Abstract: The temperature adjustment procedure to use: 1. Using PID_init and int_tb_pwm, initialize timer 1 2 pid three factors. Call PID_c, an adjustment is called the value of a pwm to control the size of the output voltage, then control temperature