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,240,128 240×128液晶显示

jackwang

院士

2006-09-17 18:14:16 打赏

只看楼主 1楼

,240,128 240×128液晶显示

关键词：液晶显示

jackwang

院士

2006-12-22 22:43:00 打赏

2楼

问请问高手，有没有用过Youth的240×128液晶的程序，怎么不能显示。请问直接接口是怎样接呀，我用的是连线图:
          *DB0---P0.0* *DB4---P0.4* *C/D-------------P2.0* */RD---------P3.7*
;        *DB1---P0.1* *DB5---P0.5* *CE--------------P2.1*
;        *DB2---P0.2* *DB6---P0.6* */RW-------------P3.6
;        *DB3---P0.3* *DB7---P0.7* */RST------------VDD
/************************************************************************************/
/* LCM（MGLS-240128TA）显示程序                                                        */
/* MCU 型号: Winbond W78E58-24                                                        */
/* 时钟频率: 22.1184 MHz                                                            */
/* 接口方式: 直接接口（挂总线）                                                        */
/* 开发环境: Keil C51 V6.14                                                            */
/* 开发日期: 2001.06.12-                                                            */
/* 程序编写: Youth                                                                    */
/************************************************************************************/
#include <absacc.h>
#include <reg52.h>
#include <stdarg.h>
#include <stdio.h>

#define ulong        unsigned long
#define uint        unsigned int
#define uchar        unsigned char

#define STX            0x02
#define ETX            0x03
#define EOT            0x04
#define ENQ            0x05
#define BS            0x08
#define CR            0x0D
#define LF            0x0A
#define DLE            0x10
#define ETB            0x17
#define SPACE        0x20
#define COMMA        0x2C

#define TRUE        1
#define FALSE        0

#define HIGH        1
#define LOW            0

// T6963C 端口定义
#define LCMDW        XBYTE[0x5000]        // 数据口
#define LCMCW        XBYTE[0x5002]        // 命令口

// T6963C 命令定义
#define LC_CUR_POS    0x21        // 光标位置设置
#define LC_CGR_POS    0x22        // CGRAM偏置地址设置
#define LC_ADD_POS    0x24        // 地址指针位置
#define LC_TXT_STP    0x40        // 文本区首址
#define LC_TXT_WID    0x41        // 文本区宽度
#define LC_GRH_STP    0x42        // 图形区首址
#define LC_GRH_WID    0x43        // 图形区宽度
#define LC_MOD_OR    0x80        // 显示方式：逻辑“或”
#define LC_MOD_XOR    0x81        // 显示方式：逻辑“异或”
#define LC_MOD_AND    0x82        // 显示方式：逻辑“与”
#define LC_MOD_TCH    0x83        // 显示方式：文本特征
#define LC_DIS_SW    0x90        // 显示开关：D0=1/0:光标闪烁启用/禁用；
                                //              D1=1/0:光标显示启用/禁用；
                                //              D2=1/0:文本显示启用/禁用；
                                //              D3=1/0:图形显示启用/禁用；
#define LC_CUR_SHP    0xA0        // 光标形状选择：0xA0-0xA7表示光标占的行数
#define LC_AUT_WR    0xB0        // 自动写设置
#define LC_AUT_RD    0xB1        // 自动读设置
#define LC_AUT_OVR    0xB2        // 自动读/写结束
#define LC_INC_WR    0xC0        // 数据一次写，地址加1
#define LC_INC_RD    0xC1        // 数据一次读，地址加1
#define LC_DEC_WR    0xC2        // 数据一次写，地址减1
#define LC_DEC_RD    0xC3        // 数据一次读，地址减1
#define LC_NOC_WR    0xC4        // 数据一次写，地址不变
#define LC_NOC_RD    0xC5        // 数据一次读，地址不变
#define LC_SCN_RD    0xE0        // 屏读
#define LC_SCN_CP    0xE8        // 屏拷贝
#define LC_BIT_OP    0xF0        // 位操作：D0-D2：定义D0-D7位；D3：1置位；0：清除

code uchar const uPowArr[]  = {0x01,0x02,0x04,0x08,0x10,0x20,0x40,0x80};

// ASCII 字模宽度及高度定义
#define ASC_CHR_WIDTH         8
#define ASC_CHR_HEIGHT        12
// ASCII 字模，显示为8*16
char code ASC_MSK[96*12] = {
// Terminal9;  此字体下对应的点阵为：宽x高=8x12
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xff,0xff,0xff,0xff,0xff,    // < 0x20时,打印此字
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,    // ' '
0x00,0x0C,0x1E,0x1E,0x1E,0x0C,0x0C,0x00,0x0C,0x0C,0x00,0x00,    // '!'
0x00,0x66,0x66,0x66,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00,    // '"'
0x00,0x36,0x36,0x7F,0x36,0x36,0x36,0x7F,0x36,0x36,0x00,0x00,    // '#'
0x0C,0x0C,0x3E,0x03,0x03,0x1E,0x30,0x30,0x1F,0x0C,0x0C,0x00,    // '$'
0x00,0x00,0x00,0x23,0x33,0x18,0x0C,0x06,0x33,0x31,0x00,0x00,    // '%'
0x00,0x0E,0x1B,0x1B,0x0E,0x5F,0x7B,0x33,0x3B,0x6E,0x00,0x00,    // '&'
0x00,0x0C,0x0C,0x0C,0x06,0x00,0x00,0x00,0x00,0x00,0x00,0x00,    // '''
0x00,0x30,0x18,0x0C,0x06,0x06,0x06,0x0C,0x18,0x30,0x00,0x00,    // '('
0x00,0x06,0x0C,0x18,0x30,0x30,0x30,0x18,0x0C,0x06,0x00,0x00,    // ')'
0x00,0x00,0x00,0x66,0x3C,0xFF,0x3C,0x66,0x00,0x00,0x00,0x00,    // '*'
0x00,0x00,0x00,0x18,0x18,0x7E,0x18,0x18,0x00,0x00,0x00,0x00,    // '+'
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x1C,0x06,0x00,    // ','
0x00,0x00,0x00,0x00,0x00,0x7F,0x00,0x00,0x00,0x00,0x00,0x00,    // '-'
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x1C,0x1C,0x00,0x00,    // '.'
0x00,0x00,0x40,0x60,0x30,0x18,0x0C,0x06,0x03,0x01,0x00,0x00,    // '/'
0x00,0x3E,0x63,0x73,0x7B,0x6B,0x6F,0x67,0x63,0x3E,0x00,0x00,    // '0'
0x00,0x08,0x0C,0x0F,0x0C,0x0C,0x0C,0x0C,0x0C,0x3F,0x00,0x00,    // '1'
0x00,0x1E,0x33,0x33,0x30,0x18,0x0C,0x06,0x33,0x3F,0x00,0x00,    // '2'
0x00,0x1E,0x33,0x30,0x30,0x1C,0x30,0x30,0x33,0x1E,0x00,0x00,    // '3'
0x00,0x30,0x38,0x3C,0x36,0x33,0x7F,0x30,0x30,0x78,0x00,0x00,    // '4'
0x00,0x3F,0x03,0x03,0x03,0x1F,0x30,0x30,0x33,0x1E,0x00,0x00,    // '5'
0x00,0x1C,0x06,0x03,0x03,0x1F,0x33,0x33,0x33,0x1E,0x00,0x00,    // '6'
0x00,0x7F,0x63,0x63,0x60,0x30,0x18,0x0C,0x0C,0x0C,0x00,0x00,    // '7'
0x00,0x1E,0x33,0x33,0x37,0x1E,0x3B,0x33,0x33,0x1E,0x00,0x00,    // '8'
0x00,0x1E,0x33,0x33,0x33,0x3E,0x18,0x18,0x0C,0x0E,0x00,0x00,    // '9'
0x00,0x00,0x00,0x1C,0x1C,0x00,0x00,0x1C,0x1C,0x00,0x00,0x00,    // ':'
0x00,0x00,0x00,0x1C,0x1C,0x00,0x00,0x1C,0x1C,0x18,0x0C,0x00,    // ';'
0x00,0x30,0x18,0x0C,0x06,0x03,0x06,0x0C,0x18,0x30,0x00,0x00,    // '<'
0x00,0x00,0x00,0x00,0x7E,0x00,0x7E,0x00,0x00,0x00,0x00,0x00,    // '='
0x00,0x06,0x0C,0x18,0x30,0x60,0x30,0x18,0x0C,0x06,0x00,0x00,    // '>'
0x00,0x1E,0x33,0x30,0x18,0x0C,0x0C,0x00,0x0C,0x0C,0x00,0x00,    // '?'
0x00,0x3E,0x63,0x63,0x7B,0x7B,0x7B,0x03,0x03,0x3E,0x00,0x00,    // '@'
0x00,0x0C,0x1E,0x33,0x33,0x33,0x3F,0x33,0x33,0x33,0x00,0x00,    // 'A'
0x00,0x3F,0x66,0x66,0x66,0x3E,0x66,0x66,0x66,0x3F,0x00,0x00,    // 'B'
0x00,0x3C,0x66,0x63,0x03,0x03,0x03,0x63,0x66,0x3C,0x00,0x00,    // 'C'
0x00,0x1F,0x36,0x66,0x66,0x66,0x66,0x66,0x36,0x1F,0x00,0x00,    // 'D'
0x00,0x7F,0x46,0x06,0x26,0x3E,0x26,0x06,0x46,0x7F,0x00,0x00,    // 'E'
0x00,0x7F,0x66,0x46,0x26,0x3E,0x26,0x06,0x06,0x0F,0x00,0x00,    // 'F'
0x00,0x3C,0x66,0x63,0x03,0x03,0x73,0x63,0x66,0x7C,0x00,0x00,    // 'G'
0x00,0x33,0x33,0x33,0x33,0x3F,0x33,0x33,0x33,0x33,0x00,0x00,    // 'H'
0x00,0x1E,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x1E,0x00,0x00,    // 'I'
0x00,0x78,0x30,0x30,0x30,0x30,0x33,0x33,0x33,0x1E,0x00,0x00,    // 'J'
0x00,0x67,0x66,0x36,0x36,0x1E,0x36,0x36,0x66,0x67,0x00,0x00,    // 'K'
0x00,0x0F,0x06,0x06,0x06,0x06,0x46,0x66,0x66,0x7F,0x00,0x00,    // 'L'
0x00,0x63,0x77,0x7F,0x7F,0x6B,0x63,0x63,0x63,0x63,0x00,0x00,    // 'M'
0x00,0x63,0x63,0x67,0x6F,0x7F,0x7B,0x73,0x63,0x63,0x00,0x00,    // 'N'
0x00,0x1C,0x36,0x63,0x63,0x63,0x63,0x63,0x36,0x1C,0x00,0x00,    // 'O'
0x00,0x3F,0x66,0x66,0x66,0x3E,0x06,0x06,0x06,0x0F,0x00,0x00,    // 'P'
0x00,0x1C,0x36,0x63,0x63,0x63,0x73,0x7B,0x3E,0x30,0x78,0x00,    // 'Q'
0x00,0x3F,0x66,0x66,0x66,0x3E,0x36,0x66,0x66,0x67,0x00,0x00,    // 'R'
0x00,0x1E,0x33,0x33,0x03,0x0E,0x18,0x33,0x33,0x1E,0x00,0x00,    // 'S'
0x00,0x3F,0x2D,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x1E,0x00,0x00,    // 'T'
0x00,0x33,0x33,0x33,0x33,0x33,0x33,0x33,0x33,0x1E,0x00,0x00,    // 'U'
0x00,0x33,0x33,0x33,0x33,0x33,0x33,0x33,0x1E,0x0C,0x00,0x00,    // 'V'
0x00,0x63,0x63,0x63,0x63,0x6B,0x6B,0x36,0x36,0x36,0x00,0x00,    // 'W'
0x00,0x33,0x33,0x33,0x1E,0x0C,0x1E,0x33,0x33,0x33,0x00,0x00,    // 'X'
0x00,0x33,0x33,0x33,0x33,0x1E,0x0C,0x0C,0x0C,0x1E,0x00,0x00,    // 'Y'
0x00,0x7F,0x73,0x19,0x18,0x0C,0x06,0x46,0x63,0x7F,0x00,0x00,    // 'Z'
0x00,0x3C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x0C,0x3C,0x00,0x00,    // '['
0x00,0x00,0x01,0x03,0x06,0x0C,0x18,0x30,0x60,0x40,0x00,0x00,    // '\'
0x00,0x3C,0x30,0x30,0x30,0x30,0x30,0x30,0x30,0x3C,0x00,0x00,    // ']'
0x08,0x1C,0x36,0x63,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,    // '^'
0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0xFF,0x00,    // '_'
0x0C,0x0C,0x18,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,    // '`'
0x00,0x00,0x00,0x00,0x1E,0x30,0x3E,0x33,0x33,0x6E,0x00,0x00,    // 'a'
0x00,0x07,0x06,0x06,0x3E,0x66,0x66,0x66,0x66,0x3B,0x00,0x00,    // 'b'
0x00,0x00,0x00,0x00,0x1E,0x33,0x03,0x03,0x33,0x1E,0x00,0x00,    // 'c'
0x00,0x38,0x30,0x30,0x3E,0x33,0x33,0x33,0x33,0x6E,0x00,0x00,    // 'd'
0x00,0x00,0x00,0x00,0x1E,0x33,0x3F,0x03,0x33,0x1E,0x00,0x00,    // 'e'
0x00,0x1C,0x36,0x06,0x06,0x1F,0x06,0x06,0x06,0x0F,0x00,0x00,    // 'f'
0x00,0x00,0x00,0x00,0x6E,0x33,0x33,0x33,0x3E,0x30,0x33,0x1E,    // 'g'
0x00,0x07,0x06,0x06,0x36,0x6E,0x66,0x66,0x66,0x67,0x00,0x00,    // 'h'
0x00,0x18,0x18,0x00,0x1E,0x18,0x18,0x18,0x18,0x7E,0x00,0x00,    // 'i'
0x00,0x30,0x30,0x00,0x3C,0x30,0x30,0x30,0x30,0x33,0x33,0x1E,    // 'j'
0x00,0x07,0x06,0x06,0x66,0x36,0x1E,0x36,0x66,0x67,0x00,0x00,    // 'k'
0x00,0x1E,0x18,0x18,0x18,0x18,0x18,0x18,0x18,0x7E,0x00,0x00,    // 'l'
0x00,0x00,0x00,0x00,0x3F,0x6B,0x6B,0x6B,0x6B,0x63,0x00,0x00,    // 'm'
0x00,0x00,0x00,0x00,0x1F,0x33,0x33,0x33,0x33,0x33,0x00,0x00,    // 'n'
0x00,0x00,0x00,0x00,0x1E,0x33,0x33,0x33,0x33,0x1E,0x00,0x00,    // 'o'
0x00,0x00,0x00,0x00,0x3B,0x66,0x66,0x66,0x66,0x3E,0x06,0x0F,    // 'p'
0x00,0x00,0x00,0x00,0x6E,0x33,0x33,0x33,0x33,0x3E,0x30,0x78,    // 'q'
0x00,0x00,0x00,0x00,0x37,0x76,0x6E,0x06,0x06,0x0F,0x00,0x00,    // 'r'
0x00,0x00,0x00,0x00,0x1E,0x33,0x06,0x18,0x33,0x1E,0x00,0x00,    // 's'
0x00,0x00,0x04,0x06,0x3F,0x06,0x06,0x06,0x36,0x1C,0x00,0x00,    // 't'
0x00,0x00,0x00,0x00,0x33,0x33,0x33,0x33,0x33,0x6E,0x00,0x00,    // 'u'
0x00,0x00,0x00,0x00,0x33,0x33,0x33,0x33,0x1E,0x0C,0x00,0x00,    // 'v'
0x00,0x00,0x00,0x00,0x63,0x63,0x6B,0x6B,0x36,0x36,0x00,0x00,    // 'w'
0x00,0x00,0x00,0x00,0x63,0x36,0x1C,0x1C,0x36,0x63,0x00,0x00,    // 'x'
0x00,0x00,0x00,0x00,0x66,0x66,0x66,0x66,0x3C,0x30,0x18,0x0F,    // 'y'
0x00,0x00,0x00,0x00,0x3F,0x31,0x18,0x06,0x23,0x3F,0x00,0x00,    // 'z'
0x00,0x38,0x0C,0x0C,0x06,0x03,0x06,0x0C,0x0C,0x38,0x00,0x00,    // '{'
0x00,0x18,0x18,0x18,0x18,0x00,0x18,0x18,0x18,0x18,0x00,0x00,    // '|'
0x00,0x07,0x0C,0x0C,0x18,0x30,0x18,0x0C,0x0C,0x07,0x00,0x00,    // '}'
0x00,0xCE,0x5B,0x73,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,    // '~'
};

typedef struct typFNT_GB16    // 汉字字模显示数据结构
{
    char Index[2];
    char Msk[32];
};
struct typFNT_GB16 xdata GB_16[] = {    // 显示为16*16
"中",0x01,0x00,0x01,0x00,0x21,0x08,0x3F,0xFC,0x21,0x08,0x21,0x08,0x21,0x08,0x21,0x08,0x21,0x08,0x3F,0xF8,0x21,0x08,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,0x01,0x00,
"文",0x02,0x00,0x01,0x00,0x01,0x00,0xFF,0xFE,0x08,0x20,0x08,0x20,0x08,0x20,0x04,0x40,0x04,0x40,0x02,0x80,0x01,0x00,0x02,0x80,0x04,0x60,0x18,0x1E,0xE0,0x08,0x00,0x00,
"测",0x40,0x02,0x27,0xC2,0x24,0x42,0x84,0x52,0x45,0x52,0x55,0x52,0x15,0x52,0x25,0x52,0x25,0x52,0x25,0x52,0xC5,0x52,0x41,0x02,0x42,0x82,0x42,0x42,0x44,0x4A,0x48,0x04,
"试",0x00,0x20,0x40,0x28,0x20,0x24,0x30,0x24,0x27,0xFE,0x00,0x20,0xE0,0x20,0x27,0xE0,0x21,0x20,0x21,0x10,0x21,0x10,0x21,0x0A,0x29,0xCA,0x36,0x06,0x20,0x02,0x00,0x00,
};

uchar gCurRow,gCurCol;    // 当前行、列存储，行高16点，列宽8点

uchar fnGetRow(void)
{
    return gCurRow;
}

uchar fnGetCol(void)
{
    return gCurCol;
}

uchar fnST01(void)        // 状态位STA1,STA0判断（读写指令和读写数据）
{
    uchar i;

    for(i=10;i>0;i--)
    {
        if((LCMCW & 0x03) == 0x03)
            break;
    }
    return i;    // 若返回零，说明错误
}

uchar fnST2(void)        // 状态位ST2判断（数据自动读状态）
{
    uchar i;

    for(i=10;i>0;i--)
    {
        if((LCMCW & 0x04) == 0x04)
            break;
    }
    return i;    // 若返回零，说明错误
}

uchar fnST3(void)        // 状态位ST3判断（数据自动写状态）
{
    uchar i;

    for(i=10;i>0;i--)
    {
        if((LCMCW & 0x08) == 0x08)
            break;
    }
    return i;    // 若返回零，说明错误
}

uchar fnST6(void)        // 状态位ST6判断（屏读/屏拷贝状态）
{
    uchar i;

    for(i=10;i>0;i--)
    {
        if((LCMCW & 0x40) == 0x40)
            break;
    }
    return i;    // 若返回零，说明错误
}

uchar fnPR1(uchar uCmd,uchar uPar1,uchar uPar2)    // 写双参数的指令
{
    if(fnST01() == 0)
        return 1;
    LCMDW = uPar1;
    if(fnST01() == 0)
        return 2;
    LCMDW = uPar2;
    if(fnST01() == 0)
        return 3;
    LCMCW = uCmd;
    return 0;    // 返回0成功
}

uchar fnPR11(uchar uCmd,uchar uPar1)    // 写单参数的指令
{
    if(fnST01() == 0)
        return 1;
    LCMDW = uPar1;
    if(fnST01() == 0)
        return 2;
    LCMCW = uCmd;
    return 0;    // 返回0成功
}

uchar fnPR12(uchar uCmd)        // 写无参数的指令
{
    if(fnST01() == 0)
        return 1;
    LCMCW = uCmd;
    return 0;    // 返回0成功
}

uchar fnPR13(uchar uData)        // 写数据
{
    if(fnST3() == 0)
        return 1;
    LCMDW = uData;
    return 0;    // 返回0成功
}

uchar fnPR2(void)                // 读数据
{
    if(fnST01() == 0)
        return 1;
    return LCMDW;
}

// 设置当前地址
void fnSetPos(uchar urow, uchar ucol)
{
    uint  iPos;

    iPos = urow * 30 + ucol;
    fnPR1(LC_ADD_POS,iPos & 0xFF,iPos / 256);
    gCurRow = urow;
    gCurCol = ucol;
}

// 设置当前显示行、列
void cursor(uchar uRow, uchar uCol)
{
    fnSetPos(uRow * 16, uCol);
}

// 清屏
void cls(void)
{
    uint  i;

    fnPR1(LC_ADD_POS,0x00,0x00);    // 置地址指针
    fnPR12(LC_AUT_WR);                // 自动写
    for(i=0;i<240*30;i++)
    {
        fnST3();
        fnPR13(0x00);                // 写数据
    }
    fnPR12(LC_AUT_OVR);                // 自动写结束
    fnPR1(LC_ADD_POS,0x00,0x00);    // 重置地址指针
    gCurRow = 0;                    // 置地址指针存储变量
    gCurCol = 0;
}

// LCM 初始化
char fnLCMInit(void)
{
    if(fnPR1(LC_TXT_STP,0x00,0x00) != 0)    // 文本显示区首地址
        return -1;
    fnPR1(LC_TXT_WID,0x1E,0x00);    // 文本显示区宽度
    fnPR1(LC_GRH_STP,0x00,0x00);    // 图形显示区首地址
    fnPR1(LC_GRH_WID,0x1E,0x00);    // 图形显示区宽度
    fnPR12(LC_CUR_SHP | 0x01);        // 光标形状
    fnPR12(LC_MOD_OR);                // 显示方式设置
    fnPR12(LC_DIS_SW | 0x08);        // 显示开关设置

    return 0;
}

// ASCII(8*16) 及汉字(16*16) 显示函数
uchar dprintf(char *fmt, ...)
{
    va_list arg_ptr;
    char  c1,c2,cData;
    char tmpBuf[64];                // LCD显示数据缓冲区
    uchar i=0,j,uLen,uRow,uCol;
    uint  k;

    va_start(arg_ptr, fmt);
    uLen = (uchar)vsprintf(tmpBuf, fmt, arg_ptr);
    va_end(arg_ptr);

    while(i<uLen)
    {
        c1 = tmpBuf[i];
        c2 = tmpBuf[i+1];
        uRow = fnGetRow();
        uCol = fnGetCol();
        if(c1 >= 0)
        {    // ASCII
            if(c1 < 0x20)
            {
                switch(c1)
                {
                    case CR:
                    case LF:        // 回车或换行
                        i++;
                        if(uRow < 112)
                            fnSetPos(uRow+16,0);
                        else
                            fnSetPos(0,0);
                        continue;
                    case BS:        // 退格
                        if(uCol > 0)
                            uCol--;
                        fnSetPos(uRow,uCol);
                        cData = 0x00;
                        break;
                    default:        // 其他
                        c1 = 0x1f;
                }
            }
            for(j=0;j<16;j++)
            {
                fnPR12(LC_AUT_WR);        // 写数据
                if(c1 >= 0x1f)
                {
                    if(j < (16-ASC_CHR_HEIGHT))
                        fnPR13(0x00);
                    else
                        fnPR13(ASC_MSK[(c1-0x1f)*ASC_CHR_HEIGHT+j-(16-ASC_CHR_HEIGHT)]);
                }
                else
                    fnPR13(cData);
                fnPR12(LC_AUT_OVR);
                fnSetPos(uRow+j+1,uCol);
            }
            if(c1 != BS)        // 非退格
                uCol++;
        }
        else
        {    // 中文
            for(j=0;j<sizeof(GB_16)/sizeof(GB_16[0]);j++)
            {
                if(c1 == GB_16[j].Index[0] && c2 == GB_16[j].Index[1])
                    break;
            }
            for(k=0;k<sizeof(GB_16[0].Msk)/2;k++)
            {
                fnSetPos(uRow+k,uCol);
                fnPR12(LC_AUT_WR);            // 写数据
                if(j < sizeof(GB_16)/sizeof(GB_16[0]))
                {
                    fnPR13(GB_16[j].Msk[k*2]);
                    fnPR13(GB_16[j].Msk[k*2+1]);
                }
                else                        // 未找到该字
                {
                    if(k < sizeof(GB_16[0].Msk)/4)
                    {
                        fnPR13(0x00);
                        fnPR13(0x00);
                    }
                    else
                    {
                        fnPR13(0xff);
                        fnPR13(0xff);
                    }
                }
                fnPR12(LC_AUT_OVR);
            }
            uCol += 2;
            i++;
        }
        if(uCol >= 30)            // 光标后移
        {
            uRow += 16;
            if(uRow < 0x80)
                uCol -= 30;
            else
            {
                uRow = 0;
                uCol = 0;
            }
        }
        fnSetPos(uRow,uCol);
        i++;
    }
    return uLen;
}

void main (void)    // 测试用
{
    fnLCMInit();
    cls();
    cursor(0,0);
    dprintf("%s","This is a test:中文测试");
}

     答 1: 建议用异步接口同步接口用时候会有问题
建议用异步接口
等数据线、读写控制信号稳定后在使能片选端
～～～～答 2: 恩，用异步接口... 答 3: 谢谢啦！答 4: 如果程序没问题的话修改一下端口定义就可以了// T6963C 端口定义
#define LCMDW        XBYTE[0xfeff]        // 数据口
#define LCMCW        XBYTE[0xffff]        // 命令口

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