开关电源模块并联供电系统设计报告.doc

控制系统程序源代码#include #include /*/*/*/常量定义 /*/*/*/* 定时器初值 */#define V_T1 0xfd /*SCOM 9600 baud, ! notice: crystal 11.0592MHz */#define V_TH0 0xEE /* 5ms , ! notice: crystal 11.0592MHz */#define V_TL0 0x00 /* 5kHz */#define V_TH1 0xEE /* 5ms , ! notice: crystal 11.0592MHz */#define V_TL1 0x00 /* 5kHz */*addition! new!*/#define WIDTH 1000#define BS 10unsigned int xdata data_0804;/* 1s软件定时器溢出值，200个5ms */#define V_T1s50unsigned int idata sample50=0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0;/*其实只是为了这一个数组赋初值*/unsigned int idata sum;#define V_TFEQ 100 int xdata adget=249,249,248,245,240,235,230,224,217,213,206,201,194,190,183,176,170,163,157,150,145,139,132,126,118,111,106,98,91,84,76,70,63,57,49,43,35,32,28,24,20,18,16,14,12,10,7,5,3,2,1,0;/*这是51组输出电压所对应的A/D的输出值，这也是闭环的数据比较的基础*/sbit VOUT= P14;/*这里是数据的输出口*/unsigned char th0;unsigned char tl0;/*/*/*/变量定义 /*/*/*/* 1s软件定时器计数 */unsigned int clock1s;/* 1s软件定时器溢出标志，位变量 */Void init()/* 中断工作寄存器初始化 */ IE=0X80; IP=0X08; IT0=0; IT1=0;/* 定时器工作寄存器初始化 */TMOD=0X11;TH1=V_TH1; TL1=V_TL1; TH0=V_TH0; TL0=V_TL0;/* 串行通信口工作初始化 ，注：本例中虽未使用到串行通信口，但本段程序无妨保留*/SM0=0; /*SCOM MODE 1 (8BIT UART VARBR)*/ SM1=1;SM2=0;REN=1;TI=1;/* 全局变量赋初值 */clock1s=0;clock1s_flag=0;pwm_flag = 1;digi_scaner=1;test_counter=0;void main()Init();While(rate!=51) if(clock1s_flag = 1)clock1s_flag = 0;if (rate=51) rate=0;if (rate=0) rate=51;digi0=showrate/10;/*理论输出电压的个位数*/ digi1 = showrate-10*digi0;/*理论输出电压的小数点后第一位*/digi2 = digi_0804/16;