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1、/*开关电源的数字化控制 */*所用拓扑为Buck,单片机msp430*/*PID算法实现开关电源的恒流、恒压、恒功率功能*/*糖coffeeuestc*/*Part 1 Main.C*/#include #include LCD12864.h#include table.h#include GUI.h#include deal.h#include IndependentKey.h#include init.hvoid main( void ) WDTCTL = WDTPW + WDTHOLD; init_clk(); init_lcd(); GUI_CU(); init_ADC12(); i
2、nit_TA(); init_TB(); initKey(); _EINT(); while(1) KeyScan(); if(Mode=0) /恒压模式 DisplaySetU(); Delay(100); ADC(); Delay(100); else if(Mode=1) /恒流模式 DisplaySetI(); Delay(100); ADC(); Delay(100); else /恒功率模式 DisplaySetP(); Delay(100); ADC(); Delay(100); /*Part 2 Headfile*/*Part 2.1 LCD12864 Headfile*/#i
3、fndef _LCD12864#define _LCD12864#define LCD_CS BIT0#define LCD_SID BIT2#define LCD_CLK BIT4#define LCD_EN P3DIR#define LCD_CTRL P3OUT#define LCD_CS_Set_high LCD_CTRL |= LCD_CS#define LCD_CS_Set_low LCD_CTRL &= LCD_CS#define LCD_SID_Set_high LCD_CTRL |= LCD_SID#define LCD_SID_Set_low LCD_CTRL &= LCD_
4、SID#define LCD_CLK_Set_high LCD_CTRL |= LCD_CLK#define LCD_CLK_Set_low LCD_CTRL &= LCD_CLK#define LCD_delay 1void Write_Data(unsigned char byte ,unsigned char reffer);void Send_Byte(unsigned char byte);void ClearLCD(void);void Put_Array(unsigned char *data , unsigned char length ,unsigned char addre
5、ss);/*延时*/void Delay(unsigned char time) /主时钟1微秒延时 unsigned int i; i=0x08*time; for(; i; i-);/*/函数名称 :Initial_LCD(void)/函数功能 :启动初始化*/void Initial_LCD(void) LCD_EN |= LCD_CS + LCD_SID + LCD_CLK; Write_Data (0x30,0); /基本指令集 Delay(LCD_delay); Write_Data(0x30,0); Write_Data(0x0C,0); Delay(LCD_delay); Wr
6、ite_Data(0x01,0); /清屏 Delay(LCD_delay); Write_Data(0x06,0); Delay(LCD_delay);/*函数名称 :Write_Data(unsigned char byte,unsigned char reffer)*函数功能 :发送指令或数据 reffer 数据 1 指令 0*输入变量 : unsigned char byte unsigned char byte */void Write_Data(unsigned char byte ,unsigned char reffer) unsigned char temp,stemp; t
7、emp = byte; LCD_CS_Set_high; LCD_CLK_Set_low; if(reffer=1) Send_Byte(0xFA); else Send_Byte(0xF8); /发送第一个字节 stemp = (temp & 0xF0); Send_Byte(stemp); stemp = temp 4; Send_Byte(stemp); LCD_CS_Set_low;/*函数名称 :Send_Byte(unsigned char byte)*函数功能 :发送一字节数据*输入变量 :unsigned char byte */void Send_Byte(unsigned
8、char byte) unsigned char temp,i; temp = byte; for(i=0;i8;i+) /send 8 times if (temp&0x80) /send the highest LCD_SID_Set_high; else LCD_SID_Set_low; temp = (temp1); LCD_CLK_Set_low; LCD_CLK_Set_high; Delay(LCD_delay); /*函数名称: Put_Array ( unsigned char data, unsigned char length,unsigned char address
9、)*函数功能: 在LCD上显示一个数组*输入变量: unsigned char data unsigned char length unsigned char address */void Put_Array(unsigned char *data , unsigned char length ,unsigned char address) if(address!=0) Write_Data(address,0); for (unsigned char i=0;ilength;i+) Write_Data(datai,1); /*函数名称 :ClearLCD(void)*函数功能 :清屏*/v
10、oid ClearLCD(void) Write_Data(0x01,0);/*函数名称: Set_cursor*功能描述: 设置光标的位置为CurY行,CurX列*输 入 : CurX=position(0:7) CurY=line(0:3)*/void Set_cursor(unsigned char CurY, unsigned char CurX) switch(CurY) case 0: Write_Data(0x80+CurX,0); break; / 写入第一行CurX列的地址 case 1: Write_Data(0x90+CurX,0); break; / 写入第二行CurX
11、列的地址 case 2: Write_Data(0x88+CurX,0); break; / 写入第三行CurX列的地址 case 3: Write_Data(0x98+CurX,0); break; / 写入第四行CurX列的地址 default: break; /*函数名称 :PutInt(unsigned int num)*函数功能 :显示十进制数*/void PutInt(unsigned int num) unsigned int snum; unsigned char temp12=0, temp112 =0; unsigned char i = 0,n = 0 ; snum =
12、num; if(snum =0 ) temp0 = 0; i+ ; while(num!=0) tempi = num%10+0x30; num = num/10; i+ ; n = i; for(i=0;in; i+) temp1i = tempn-1-i; Put_Array(temp1,n,0);void PutDig(unsigned char num) unsigned char snum; snum = num + 0x30; Write_Data(snum,1);/* 函数名称: PutcLCD()* 功能描述: LCD写char* 输入 : LCD_Char*/void Put
13、cLCD( unsigned char LCD_Char ) Write_Data(LCD_Char,1);/* 函数名称: PutsLCD()* 功能描述: LCD写入RAM字符串* 输入: 字符指针Str*/void PutsLCD(const char *Str) int Str_Temp; Str_Temp=*Str; / Str_Temp 所赋的值是Str所指向的字符 while(Str_Temp!=0x00) / 字符串还没有结束 Write_Data(Str_Temp,1); Str+; Str_Temp=*Str; /*函数名:ClrRam(void)函数功能:清整个GDRAM
14、空间*/void ClrRam() unsigned char x,y ; for(y=0;y64;y+) for(x=0;x16;x+) Write_Data(0x34,0); Write_Data(y+0x80,0); /行地址 Write_Data(x+0x80,0); /列地址 Write_Data(0x30,0); Write_Data(0x00,1); Write_Data(0x00,1); /*函数名: ShowAll函数说明:显示一幅128*64的图画传入参数:图形指针*img*/void ShowAll(unsigned char *pPicture) unsigned ch
15、ar i,j,k; Write_Data(0x36,0); for(i=0;i2;i+) /分上下两屏写 for(j=0;j32;j+) /行 Write_Data(0x80+j,0); /写X坐标(第几行上写) if(i=0) /写Y坐标,判断哪一屏 Write_Data(0x80,0); else Write_Data(0x88,0); for(k=0;k16;k+) /写一整行数据(16个字节,合八个字符) Write_Data(*pPicture+,1); /Write_Data(0x36,0);#endif/*Part 2.2 Table Headfile*/extern unsig
16、ned char img=0x00,0x00,0x00,0x01,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0xFF,0xF8,0x00,0x00,0x00,0x
17、00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFE,0x7F,0xFF,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0x7F,0xFE,0x
18、DF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0x7F,0xFF,0xBF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFB,0xFF,0xF9,0x7F,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFB,0xFF,0xFF,0x3F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
19、FF,0xFF,0xFF,0xFF,0xBF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0xC0,0x03,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xFE,0x00,0x00,0x7F,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xF8,0x00,0x00,0x1F,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x
20、00,0x00,0x00,0x07,0xFF,0xF0,0x00,0x00,0x07,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0x7F,0xC0,0x00,0x00,0x03,0xFE,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xF7,0x80,0x00,0x00,0x01,0xF5,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFB,0x00,0x00,0x00,0x00,0xE3,0xF8,0x00,0x
21、00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFF,0x03,0xF8,0x07,0xF8,0x7F,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFE,0x0F,0xFE,0x1F,0xFC,0x7F,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFC,0x1C,0x0F,0x7C,0x0C,0x3F,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFC,0x1C,0x03,0xF0,0x
22、06,0x3F,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xF8,0x08,0x01,0xE0,0x0E,0x1F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xF8,0x08,0x07,0xF0,0x0E,0x1F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xF0,0x08,0x0F,0x38,0x0C,0x0F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0x
23、F0,0x0C,0x1E,0x1E,0x0C,0x0F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xF0,0x04,0x7C,0x0E,0x1C,0x0F,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xF0,0x05,0xF8,0x00,0x00,0x07,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xE3,0xBF,0x9C,0xFF,0xEF,0x07,0xFF,0x00,0x00,0x00,0x00,0x00,0x
24、00,0x00,0x00,0xFF,0xE3,0xBB,0x6D,0xFF,0xFF,0x87,0xDF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xEF,0xE3,0xBE,0x6F,0xF3,0xBB,0x87,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xF0,0xE3,0xBE,0xFF,0xFB,0xB8,0x07,0xCF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFE,0xE3,0xFB,0xFC,0x7B,0x9F,0x87,0xFF,0x00,0x
25、00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xE1,0xF3,0x1D,0xF3,0x9F,0x07,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xE0,0x07,0xF8,0x07,0x0C,0x07,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xF0,0x06,0xF8,0x0F,0x18,0x0F,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xF0,0x0C,0x1C,0x1E,0x
26、0C,0x0F,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xF0,0x0C,0x0E,0x3C,0x0C,0x0F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xF8,0x0C,0x07,0x78,0x0C,0x0F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xF8,0x18,0x03,0xF0,0x04,0x1F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0x
27、F8,0x18,0x03,0xE0,0x04,0x1F,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFC,0x08,0x0F,0xF8,0x04,0x3F,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFE,0x0C,0x3F,0x3E,0x08,0x3F,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1F,0xFE,0x07,0xFC,0x07,0xF0,0x7F,0xF8,0x00,0x00,0x00,0x00,0x00,0x
28、00,0x00,0x00,0x1F,0xFF,0x03,0xE0,0x00,0xA0,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0x80,0x00,0x00,0x01,0xFF,0xF8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0xC0,0x00,0x00,0x03,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xE0,0x00,0x00,0x07,0xFF,0xE0,0x00,0x
29、00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xF8,0x00,0x00,0x0F,0xFF,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xFC,0x00,0x00,0x3F,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0xFF,0xFF,0x00,0x00,0xFF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xE0,0x07,0x
30、FF,0xFF,0x80,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x7F,0xFF,0xFF,0xFF,0xFF,0xFE,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFF,0xFF,0xFF,0x3F,0xFC,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
31、0F,0xFF,0xDD,0xC6,0xFF,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x07,0xFF,0xD6,0xDC,0x7F,0xE0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xB9,0xBD,0xBF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x7B,0xCD,0xBF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
32、00,0x00,0x00,0x00,0x00,0x3F,0xF7,0xEE,0x7C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x0F,0xFF,0x1F,0xF0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0xFF,0xFF,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x3F,0xFC,0x00,0x00,0x00,0x00,0x
33、00,0x00,0x00,0x00,0x00,0x00,0x00;/*Part 2.3 GUI Headfile*/#ifndef _GUI#define _GUI/*开机界面*/void init_lcd() Initial_LCD(); Set_cursor(0,4);PutsLCD(SwPower); Set_cursor(1,4);PutsLCD(糖coffee); Set_cursor(2,4);PutsLCD(糖coffee); Set_cursor(3,4);PutsLCD(糖coffee); ShowAll(img); while(P1IN&0x1f)=0x1f); /*Ini
34、tial_LCD(); Set_cursor(0,0); PutsLCD(Set I:01.00 A); Set_cursor(1,0); PutsLCD(Out U: V); Set_cursor(2,0); PutsLCD(Out I: A); Set_cursor(3,0); PutsLCD(Out P: W);*/*恒流源界面*/void GUI_CC() Initial_LCD(); Set_cursor(0,0); PutsLCD(Set I:01.00 A); Set_cursor(1,0); PutsLCD(Out U: V); Set_cursor(2,0); PutsLCD
35、(Out I: A); Set_cursor(3,0); PutsLCD(Out P: W);/*恒压源界面*/void GUI_CU() Initial_LCD(); Set_cursor(0,0); PutsLCD(Set U:01.00 V); Set_cursor(1,0); PutsLCD(Out U: V); Set_cursor(2,0); PutsLCD(Out I: A); Set_cursor(3,0); PutsLCD(Out P: W);/*恒功率界面*/void GUI_CP() Initial_LCD(); Set_cursor(0,0); PutsLCD(Set
36、P:01.00 W); Set_cursor(1,0); PutsLCD(Out U: V); Set_cursor(2,0); PutsLCD(Out I: A); Set_cursor(3,0); PutsLCD(Out P: W);#endif/*Part 2.4 deal Headfile*/#ifndef _deal#define _dealunsigned int Us = 10; /设置时扩大10倍,默认1.0Vunsigned int Is = 10; /设置时扩大10倍,默认1.0Aunsigned int Ps = 10; /设置时扩大10倍,默认1.0Wfloat Kru
37、 = 0.25; /分压系数5/20float Kri = 1.3; /放大系数约0.05*25unsigned int Uo6;unsigned int Io6;long unsigned int Umem;unsigned int Uout;long unsigned int Imem;unsigned int Iout;unsigned int Pout;signed int iError, lastError, iIncpid;float Kp = 0.05;float Ki = 0.01;unsigned int PWM = 50;unsigned char Mode = 0;/*求
38、数组的平均数*/unsigned int mean(unsigned int a) unsigned int dat = 0; unsigned int max = a0; unsigned int min = a0; for(unsigned int j = 0; j 6; j+) if(max aj) min = aj; for (unsigned int i = 0; i 2; return dat;/*显示输出电压*/void displayU() unsigned char iU,fU; iU = Uout/100; fU = Uout%100; Set_cursor(1,3); P
39、utcLCD(0);PutDig(iU/10);PutcLCD(.);PutDig(iU%10);PutDig(fU/10);/PutDig(fU%10);/*显示输出电流*/void displayI() unsigned char iI,fI; iI = Iout/100; fI = Iout%100; Set_cursor(2,3); PutcLCD(0);PutDig(iI/10);PutcLCD(.);PutDig(iI%10);PutDig(fI/10);/PutDig(fI%10);/*显示输出功率*/void displayP() unsigned char iP,fP; iP
40、 = Pout/100; fP = Pout%100; Set_cursor(3,3); PutDig(iP/10);PutDig(iP%10);PutcLCD(.);PutDig(fP/10);PutDig(fP%10);/*处理电压PWM*/void deal_U() if(UoutUs*100+25)|(Uout+25100*Us) /精度 25mV iError = Us*100 - Uout; /当前误差 iIncpid = (signed int)(Kp*iError + Ki*lastError); PWM = PWM + iIncpid; if(PWM380) PWM = 38
41、0; TBCCR2 = PWM; /*处理电流PWM*/void deal_I() if(IoutIs*100+5)|(IoutIs*100+15) /精度 4.8mA iError = Is*100 - Iout; iIncpid = (signed int)(Kp*iError + Ki*lastError); PWM = PWM + iIncpid; if(PWM380) PWM = 380; TBCCR2 = PWM; /*处理功率PWM*/void deal_P() if(PoutPs*10+3)|(10*PsPout+2) /输出功率大于设定功率 iError = Ps*10 -
42、Pout; iIncpid = (signed int)(Kp*iError + Ki*lastError); PWM = PWM + iIncpid; if(PWM380) PWM = 380; TBCCR2 = PWM; /*计算输出电压电流功率*/void ADC() static unsigned int index = 0; Uoindex = ADC12MEM0; Ioindex = ADC12MEM1; index+; if(index = 6) Umem = mean(Uo); Imem = mean(Io); Uout = (unsigned int)(2500*4.1*Umem/4096); /放大1000倍显示 Iout = (unsigned int)(2500*Imem/(4096*1.3);
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