小弟用dspic33fj128控制液晶12864，但是运行后不显示汉字，帮看看程序，多谢了

只看该作者 · 2016-3-28 16:41

硬件设计的时候大意，八位数据并行传输的引脚不是连续的，所以定义了函数，一位位的传输！
#include"p33FJ128MC804.h"

_FBS(BWRP_WRPROTECT_OFF & BSS_NO_FLASH & RBS_NO_RAM);
_FSS(SWRP_WRPROTECT_OFF & SSS_NO_FLASH & RSS_NO_RAM);
_FGS(GCP_OFF & GWRP_OFF & GSS_OFF);
_FOSCSEL(FNOSC_PRIPLL & IESO_ON);
_FOSC(POSCMD_XT& OSCIOFNC_OFF & IOL1WAY_OFF & FCKSM_CSECMD);
_FWDT(WDTPOST_PS32768 & WDTPRE_PR128 & WINDIS_OFF & FWDTEN_OFF);
_FPOR(FPWRT_PWR128 & ALTI2C_OFF & LPOL_OFF & HPOL_OFF & PWMPIN_ON);
_FICD( ICS_PGD3 & JTAGEN_OFF);

#define       EN          PORTBbits.RB13
#define       RW       PORTAbits.RA10
#define       RS       PORTAbits.RA7
#define       RST       PORTBbits.RB8

#define D0 PORTBbits.RB12
#define D1 PORTBbits.RB11
#define D2 PORTBbits.RB10
#define D3 PORTCbits.RC9
#define D4 PORTCbits.RC8
#define D5 PORTCbits.RC7
#define D6 PORTCbits.RC6
#define D7 PORTBbits.RB9

#define       uchar       unsigned char
#define    uint    unsigned int

uchar menu1[]={"欢迎使用"};

void LCD_DATA(uchar d);
void LCDInit(void);
void Write_order(uchar order);
void Write_data(uchar data);
void delay(uint k);
void delay1(uint m);
void configio(void);
void System_Colck(void);
void InitXintf(void);
void display(void);

void LCD_DATA(uchar d)
{
D0=d&0x01;
D1=d&0x02;
D2=d&0x04;
D3=d&0x08;
D4=d&0x10;
D5=d&0x20;
D6=d&0x40;
D7=d&0x80;
}
void LCDInit(void)
{
  RST=0;
  delay(1000);
  RST=1;
  Write_order(0x30);
  delay1(1500);//125us
  Write_order(0x30);
  delay1(600);//50us
  Write_order(0x0c);
  delay1(1500);//125us
  Write_order(0x01);
  delay(200);//16ms
  Write_order(0x02);
  delay1(1500);//125us
}

void Write_order(uchar order)
{
RS=0;
RW=0;
delay1(100);
EN=1;
delay1(100);
LCD_DATA(order);
delay1(1000);
EN=0;
delay1(100);
}

void Write_data(uchar data)
{
RS=1;
RW=0;
delay1(100);
EN=1;
delay1(100);
LCD_DATA(data);
delay1(1000);
EN=0;
delay1(100);
}

void delay(uint k)
{
      uint  i,j;
      for(i=0; i<k;i++)
      {
            for(j=0;j<1000;j++)
            {
            }
      }
}
void delay1(uint m)
{
      uint  i;
      for(i=0; i<m;i++)
      {
      }
}
void System_Colck(void)
{
//Fosc = 80MHz 40MIPS
CLKDIVbits.PLLPRE = 0;  //N1 = 2  7.3728MHz/2= 3.6864MHz
PLLFBDbits.PLLDIV = 38;  //M = 40  3.6864*43 = 158.5152MHz
CLKDIVbits.PLLPOST = 0; //N2 = 2 158.5152/2 = 79.2576MHz
}
void configio(void)
{
   TRISAbits.TRISA0 = 0;//RA0设置输出口
   TRISAbits.TRISA1 = 0;//RA1设置输出口
   TRISAbits.TRISA7 = 0;//RA7设置输出口
   TRISAbits.TRISA10 = 0;//RA10设置输出口
   TRISB = 0x0000;//B设置输出口
   TRISC = 0x0000;//C设置输出口
}

void display(void)
{
uchar i;
Write_order(0x80);
  for(i=0;i<9;i++)
{
   Write_data(menu1[i]);
   delay(100);
}
}
void main(void)
{
System_Colck();
configio();
delay(1);
LCDInit();
delay(3);
display();

while(1);
}

小弟用dspic33fj128控制液晶12864，但是运行后不显示汉字，帮看看程序，多谢了

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