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標題: 有一段display函數在lcd上不顯示,其他都正常,why? [打印本頁]

作者: LIPPPP 時間: 2017-7-3 10:41
標題: 有一段display函數在lcd上不顯示,其他都正常,why?
display()采集的數據都能在lcd上顯示了,可是display2(是按鍵調節數值(電壓))卻不能顯示在lcd上.顯示程序我感覺沒有出錯啊,為何display可以顯示,但display2就顯示不了

#include<reg52.h>
#include"lcd.h"
#define uint unsigned int
#define uchar unsigned char
#define ulong unsigned long
sbit P1_6 = P1^6;
sbit P1_7 = P1^7;
sbit ADC_CS=P1^0;
sbit ADC_CLK=P1^1;
sbit ADC_DIN=P1^2;
sbit ADC_DOUT=P1^3;
sbit ADC_DRDY=P1^4;
uchar t = 0,c = 0,k,v =53;//k為脈沖周期
sbit S1 = P3^5;
sbit S2 = P3^4;
uchar date[3]={0,0,0};
uint result0[8]={0,0,0,0,0,0,0,0};
uint result1[8]={0,0,0,0,0,0,0,0};

void Display(uint AD_data);
void Display1(uint AD_data);
void Display2();
void PWM_Control1( uchar Width, uchar DutyCycle,uchar count,uchar partern);
void PWM_Control2( uchar Width, uchar DutyCycle,uchar count,uchar partern);

void Delay_1ms(uint c)
{
uchar a,b;
for(;c>0;c--)
{
for(b=199;b>0;b--)
{
for(a=1;a>0;a--);
}
}
}

void WriteToReg_ADC(uint byteword ) //發送控制字
{
uint AD16bit,Token;
uchar i;
ADC_CLK=1;
ADC_CS=0;
Token=0x80;
AD16bit=byteword;
for(i=0;i<8;i++)
{
if(AD16bit&Token) // 逐一取出各位上的數據
ADC_DIN=1;
else
ADC_DIN=0;
ADC_CLK=1;
ADC_CLK=0; //為發送數據做準備
ADC_CLK=1;
Token=Token>>1;
}
ADC_CLK=1;
ADC_DIN=1;
}

uint ReadADC_16BitValue(uchar channel) //發送控制字準備讀取的通道，接著讀取數據
{
uint AD16bit;
uchar i;
WriteToReg_ADC(0x38|channel);
while(ADC_DRDY==1);    // 等待DRDY下降沿讀數據
ADC_CLK=1;
ADC_CS=0;
AD16bit=0x00;
for(i=0;i<16;i++)  //巡歷
{
AD16bit=AD16bit<<1;
ADC_CLK=0;
if(ADC_DOUT==1)    //等待DRDY低電平時間
AD16bit=AD16bit|0x01; //最低位開始
ADC_CLK=1;
}
ADC_CLK=1;
ADC_DIN=1;
return(AD16bit); //返回數據
}

void InitADC()
{
uchar i;
ADC_CLK=1;
ADC_DIN=1;
ADC_CS=0;
for(i=0;i<40;i++)    //自校驗
{
ADC_CLK=0;
ADC_CLK=1;
}
WriteToReg_ADC(0x20);    //先寫通信寄存器，下一步時鐘寄存器
WriteToReg_ADC(0x02);       //100HZ CLKIDS=0 CLKDIV=0(器件內部頻率）
WriteToReg_ADC(0x10);    //設置寄存器
WriteToReg_ADC(0x44);    //自校準
WriteToReg_ADC(0x21);    //通道2
WriteToReg_ADC(0x02);
WriteToReg_ADC(0x11);
WriteToReg_ADC(0x44);
Delay_1ms(50);
}

void PWM_Control1( uchar Width, uchar DutyCycle,uchar count,uchar partern)  //1ms為最小單位
{ uchar i,j;
//脈寬設置  Wdith
//占空比 X0% DutyCycle
  //脈沖個數  count
  // pin = ;
k = (Width*10)/DutyCycle; //PWM整個周期

   if(partern == 6)
  {
   for(i=0;i<k*count;i++)
   {
      P1_6= 0;
   delay(Width);
   P1_6= 1;
   delay(k-Width);
   }
  }
if(partern == 7)
{
   for(j=0;j<k*count;j++)
   {
      P1_7 = 0;
delay(Width);
P1_7 = 1;
delay(k-Width);
   }
   }
}

void PWM_Control2( uchar Width, uchar DutyCycle,uchar count,uchar partern)  //1ms為最小單位
{    uchar i,j;
//脈寬設置  Wdith
//占空比 X0% DutyCycle
  //脈沖個數  count
  // pin = ;
k = (Width*10)/DutyCycle; //PWM整個周期

if(partern == 6)
{
for(i=0;i<k*count;i++)
   {
      P1_6= 0;
   delay(Width);
   P1_6= 1;
   delay(k-Width);
   }
}
   if(partern == 7)
   {
   for(j=0;j<k*count;j++)
   {
      P1_7= 0;
   delay(Width);
   P1_7= 1;
   delay(k-Width);
   }
   }
}

/***************按鍵S1,S2調節電壓************/
unsigned int Set()
{
if( S1 == 0)
{
   delay(5);
   if(S1 == 0)
   {
      v++;
}
}
   if(S2 == 0)
   {
   delay(5);
if(S2 == 0)
   {
   v--;
   }
   }
   return v;
}
/*******************設定值與檢測值比較****************/
void compare()
{
if(v<50)PWM_Control1(7,7,1,7);else PWM_Control2(7,7,1,6);
}

void main()
{
uchar i;
ulong sum=0;
uint result;
float h;
lcd1602init();
InitADC();
// v = Set();
lcd_pos(0x00);
lcd1602writedata('V');
lcd1602writedata('=');
lcd1602writedata(5+0x30);
lcd1602writedata(0x2e);
lcd1602writedata(0x30);
lcd1602writedata(0x30);
lcd1602writedata('V');
lcd_pos(0x08);
lcd1602writedata('S');
lcd1602writedata('e');
lcd1602writedata('t');
lcd1602writedata('=');
/* lcd1602writedata((v/10)+0x30);
lcd1602writedata(0x2e);
lcd1602writedata((v%10)+0x30);    */
lcd_pos(0x40);
lcd1602writedata('T');
lcd1602writedata('e');
lcd1602writedata('s');
lcd1602writedata('t');
lcd1602writedata('=');
while(1)
{
WriteToReg_ADC(0x20);    //先寫通信寄存器，下一步時鐘寄存器
WriteToReg_ADC(0x02); //100HZ CLKIDS=0 CLKDIV=0(器件內部頻率）
WriteToReg_ADC(0x10);    //設置寄存器
WriteToReg_ADC(0x44);    //自校準后DRDY返回低電平
Delay_1ms(60);

for(i=0;i<8;i++) //讀取數據并轉換成電壓
{
   result0[i]=ReadADC_16BitValue(0);
   sum=sum+result0[i];
}
sum=sum/8;
result=(uint)sum;
sum=0;
h=result;
result=h*5000/65536;

Display(result);

result=0;
Delay_1ms(50);
/**********************就是這個函數********************/
/*******************同樣在主循環中,display正常,但這個display2不顯示***********/

v = Set();
Display2();    //Display2函數寫在主循環中但LCD卻不顯示
Delay_1ms(5);
compare();// 判定設定值與檢測值大小,從而輸出PWM1或PWM2 (P1^6或P1^7)
Delay_1ms(5);

// Delay_1ms(500);

/* WriteToReg_ADC(0x21);
WriteToReg_ADC(0x02);
WriteToReg_ADC(0x11);
WriteToReg_ADC(0x44);
Delay_1ms(60);
   for(i=0;i<8;i++)
{
   result1[i]=ReadADC_16BitValue(1);
   sum=sum+result1[i];
}
sum=sum/8;
result=(uint)sum;
sum=0;
h=result;
result=h*5000/65536;
Display1(result);
result=0;
// Delay_1ms(500);    */
}
}

void Display(uint AD_data)
{
date[2]= (AD_data)/1000;
date[1]= (AD_data)/100%10;
date[0]= (AD_data)/10%10;

lcd_pos(0x45);

lcd1602writedata(0x30+date[2]);
lcd1602writedata(0x2e);
lcd1602writedata(0x30+date[1]);

lcd1602writedata(0x30+date[0]);
lcd1602writedata('V');
}

/*void Display1(uint AD_data)
{
date[2]= (AD_data)/1000;
date[1]= (AD_data)/100%10;
date[0]= (AD_data)/10%10;

lcd_pos(0x49);

lcd1602writedata(0x30+date[2]);
lcd1602writedata(0x2e);
lcd1602writedata(0x30+date[1]);

lcd1602writedata(0x30+date[0]);
} */

/****************就是這個Display2函數*********************/

void Display2()
{  v = Set();
lcd_pos(0x13);
lcd1602writedata((v/10)+0x30);
lcd1602writedata(0x2e);
lcd1602writedata((v%10)+0x30);
}

作者: LIPPPP 時間: 2017-7-3 11:11
靠找到了. 寫了lcd_pos(0x13)這是錯的位置, 應該是在lcd_pos(0x0d),真是被自己蠢哭

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