/*********************************************************************文件名：lcdDriver.c*文件描述：*创建人：Sha zq*创建日期： 2007年09月06日*版本号：1.0.01*E-mail：sasinop@hotmail.com*修改记录： 1) 修改WriteChar（）函数，详细说明见函数描述部分。 Sha zq 2007-9-20 11:10********************************************************************/
#include "config.h"
/*******************************************************外部函数声明********************************************************/extern void DelayNS(uint32 dly);
/*******************************************************常用操作命令和参数定义********************************************************/
#define DISPON 0x3f /*显示on */#define DISPOFF 0x3e /*显示off */#define DISPFIRST 0xc0 /*显示起始行定义 */#define SETX 0xb8 /*X定位设定指令（页） */#define SETY 0x40 /*Y定位设定指令（列） */#define Lcdbusy 0x80 /*LCM忙判断位 */
#define para1 0x40; /*列开始*/
/*****************************************************************O_X: 在显示字符时定义为行地址: 0~7，在绘点显示时定义为行地址(0-63)O_Y: 列地址（0~127）com: 指令码寄存器dat1: 数据寄存器 ******************************************************************/unsigned int O_X,O_Y,com,dat1;
/*****************************************************************code_1：字表行号count1：页地址******************************************************************/unsigned char code_1,count1;
unsigned char cbyte;//unsigned char col,row,cbyte,keyd,t,Signal; //列y,行(页)x,输出数据;keyd为键值；t为数组下标；Signal为触发传感器的编号
/*****************************************************************定义0--9的字符数组******************************************************************/ unsigned char writeCH[9][8]={ 0x00,0x00,0x42,0x7F,0x40,0x00,0x00,0x00, /*"1"=11h*/ 0x00,0x42,0x61,0x51,0x49,0x46,0x00,0x00, /*"2"=12h*/ 0x00,0x21,0x41,0x45,0x4B,0x31,0x00,0x00, /*"3"=13h*/ 0x00,0x18,0x14,0x12,0x7F,0x10,0x00,0x00, /*"4"=14h*/ 0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00, /*"5"=15h*/ 0x00,0x3C,0x4A,0x49,0x49,0x30,0x00,0x00, /*"6"=16h*/ 0x00,0x01,0x01,0x79,0x05,0x03,0x00,0x00, /*"7"=17h*/ 0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00, /*"8"=18h*/ 0x00,0x06,0x49,0x49,0x29,0x1E,0x00,0x00, /*"9"=19h*/ }; /*****************************************************************定义a--z的字符数组******************************************************************/
unsigned char writeEH[26][8]={ 0x00,0x20,0x54,0x54,0x54,0x78,0x00,0x00, /*"a"=41h*/ 0x00,0x7F,0x48,0x44,0x44,0x38,0x00,0x00, /*"b"=42h*/ 0x00,0x38,0x44,0x44,0x44,0x28,0x00,0x00, /*"c"=43h*/ 0x00,0x38,0x44,0x44,0x48,0x7F,0x00,0x00, /*"d"=44h*/ 0x00,0x38,0x54,0x54,0x54,0x18,0x00,0x00, /*"e"=45h*/ 0x00,0x00,0x08,0x7E,0x09,0x02,0x00,0x00, /*"f"=46h*/ 0x00,0x0C,0x52,0x52,0x4C,0x3E,0x00,0x00, /*"g"=47h*/ 0x00,0x7F,0x08,0x04,0x04,0x78,0x00,0x00, /*"h"=48h*/ 0x00,0x00,0x44,0x7D,0x40,0x00,0x00,0x00, /*"i"=49h*/ 0x00,0x20,0x40,0x44,0x3D,0x00,0x00,0x00, /*"j"=4Ah*/ 0x00,0x00,0x7F,0x10,0x28,0x44,0x00,0x00, /*"k"=4Bh*/ 0x00,0x00,0x41,0x7F,0x40,0x00,0x00,0x00, /*"l"=4Ch*/ 0x00,0x7C,0x04,0x78,0x04,0x78,0x00,0x00, /*"m"=4Dh*/ 0x00,0x7C,0x08,0x04,0x04,0x78,0x00,0x00, /*"n"=4Eh*/ 0x00,0x38,0x44,0x44,0x44,0x38,0x00,0x00, /*"o'=4Fh*/ 0x00,0x7E,0x0C,0x12,0x12,0x0C,0x00,0x00, /*"p"=50h*/ 0x00,0x0C,0x12,0x12,0x0C,0x7E,0x00,0x00, /*"q"=51h*/ 0x00,0x7C,0x08,0x04,0x04,0x08,0x00,0x00, /*"r"=52h*/ 0x00,0x58,0x54,0x54,0x54,0x64,0x00,0x00, /*"s"=53h*/ 0x00,0x04,0x3F,0x44,0x40,0x20,0x00,0x00, /*"t"=54h*/ 0x00,0x3C,0x40,0x40,0x3C,0x40,0x00,0x00, /*"u"=55h*/ 0x00,0x1C,0x20,0x40,0x20,0x1C,0x00,0x00, /*"v"=56h*/ 0x00,0x3C,0x40,0x30,0x40,0x3C,0x00,0x00, /*"w"=57h*/ 0x00,0x44,0x28,0x10,0x28,0x44,0x00,0x00, /*"x"=58h*/ 0x00,0x1C,0xA0,0xA0,0x90,0x7C,0x00,0x00, /*"y"=59h*/ 0x00,0x44,0x64,0x54,0x4C,0x44,0x00,0x00, /*"z"=5Ah*/
}; /* 西文字符库定义 */ unsigned char CHTAB[62][8]={ 0x00,0x3E,0x51,0x49,0x45,0x3E,0x00,0x00, /*"0"=10h*/ 0x00,0x00,0x42,0x7F,0x40,0x00,0x00,0x00, /*"1"=11h*/ 0x00,0x42,0x61,0x51,0x49,0x46,0x00,0x00, /*"2"=12h*/ 0x00,0x21,0x41,0x45,0x4B,0x31,0x00,0x00, /*"3"=13h*/ 0x00,0x18,0x14,0x12,0x7F,0x10,0x00,0x00, /*"4"=14h*/ 0x00,0x27,0x45,0x45,0x45,0x39,0x00,0x00, /*"5"=15h*/ 0x00,0x3C,0x4A,0x49,0x49,0x30,0x00,0x00, /*"6"=16h*/ 0x00,0x01,0x01,0x79,0x05,0x03,0x00,0x00, /*"7"=17h*/ 0x00,0x36,0x49,0x49,0x49,0x36,0x00,0x00, /*"8"=18h*/ 0x00,0x06,0x49,0x49,0x29,0x1E,0x00,0x00, /*"9"=19h*/
0x00,0x7E,0x11,0x11,0x11,0x7E,0x00,0x00, /*"A"=21h*/ 0x00,0x41,0x7F,0x49,0x49,0x36,0x00,0x00, /*"B"=22h*/ 0x00,0x3E,0x41,0x41,0x41,0x22,0x00,0x00, /*"C"=23h*/ 0x00,0x41,0x7F,0x41,0x41,0x3E,0x00,0x00, /*"D"=24h*/ 0x00,0x7F,0x49,0x49,0x49,0x49,0x00,0x00, /*"E"=25h*/ 0x00,0x7F,0x09,0x09,0x09,0x01,0x00,0x00, /*"F"=26h*/ 0x00,0x3E,0x41,0x41,0x49,0x7A,0x00,0x00, /*"G"=27h*/ 0x00,0x7F,0x08,0x08,0x08,0x7F,0x00,0x00, /*"h"=28h*/ 0x00,0x00,0x41,0x7F,0x41,0x00,0x00,0x00, /*"I"=29h*/ 0x00,0x20,0x40,0x41,0x3F,0x01,0x00,0x00, /*"J"=2Ah*/ 0x00,0x7F,0x08,0x14,0x22,0x41,0x00,0x00, /*"K"=2Bh*/ 0x00,0x7F,0x40,0x40,0x40,0x40,0x00,0x00, /*"L"=2Ch*/ 0x00,0x7F,0x02,0x0C,0x02,0x7F,0x00,0x00, /*"M"=2Dh*/ 0x00,0x7F,0x06,0x08,0x30,0x7F,0x00,0x00, /*"N"=2Eh*/ 0x00,0x3E,0x41,0x41,0x41,0x3E,0x00,0x00, /*"O"=2Fh*/ 0x00,0x7F,0x09,0x09,0x09,0x06,0x00,0x00, /*"P"=30h*/ 0x00,0x3E,0x41,0x51,0x21,0x5E,0x00,0x00, /*"Q"=31h*/ 0x00,0x7F,0x09,0x19,0x29,0x46,0x00,0x00, /*"R"=32h*/ 0x00,0x26,0x49,0x49,0x49,0x32,0x00,0x00, /*"S"=33h*/ 0x00,0x01,0x01,0x7F,0x01,0x01,0x00,0x00, /*"T"=34h*/ 0x00,0x3F,0x40,0x40,0x40,0x3F,0x00,0x00, /*"U"=35h*/ 0x00,0x1F,0x20,0x40,0x20,0x1F,0x00,0x00, /*"V"=36h*/ 0x00,0x7F,0x20,0x18,0x20,0x7F,0x00,0x00, /*"W"=37h*/ 0x00,0x63,0x14,0x08,0x14,0x63,0x00,0x00, /*"X"=38h*/ 0x00,0x07,0x08,0x70,0x08,0x07,0x00,0x00, /*"Y"=39h*/ 0x00,0x61,0x51,0x49,0x45,0x43,0x00,0x00, /*"Z"=3Ah*/
0x00,0x20,0x54,0x54,0x54,0x78,0x00,0x00, /*"a"=41h*/ 0x00,0x7F,0x48,0x44,0x44,0x38,0x00,0x00, /*"b"=42h*/ 0x00,0x38,0x44,0x44,0x44,0x28,0x00,0x00, /*"c"=43h*/ 0x00,0x38,0x44,0x44,0x48,0x7F,0x00,0x00, /*"d"=44h*/ 0x00,0x38,0x54,0x54,0x54,0x18,0x00,0x00, /*"e"=45h*/ 0x00,0x00,0x08,0x7E,0x09,0x02,0x00,0x00, /*"f"=46h*/ 0x00,0x0C,0x52,0x52,0x4C,0x3E,0x00,0x00, /*"g"=47h*/ 0x00,0x7F,0x08,0x04,0x04,0x78,0x00,0x00, /*"h"=48h*/ 0x00,0x00,0x44,0x7D,0x40,0x00,0x00,0x00, /*"i"=49h*/ 0x00,0x20,0x40,0x44,0x3D,0x00,0x00,0x00, /*"j"=4Ah*/ 0x00,0x00,0x7F,0x10,0x28,0x44,0x00,0x00, /*"k"=4Bh*/ 0x00,0x00,0x41,0x7F,0x40,0x00,0x00,0x00, /*"l"=4Ch*/ 0x00,0x7C,0x04,0x78,0x04,0x78,0x00,0x00, /*"m"=4Dh*/ 0x00,0x7C,0x08,0x04,0x04,0x78,0x00,0x00, /*"n"=4Eh*/ 0x00,0x38,0x44,0x44,0x44,0x38,0x00,0x00, /*"o'=4Fh*/ 0x00,0x7E,0x0C,0x12,0x12,0x0C,0x00,0x00, /*"p"=50h*/ 0x00,0x0C,0x12,0x12,0x0C,0x7E,0x00,0x00, /*"q"=51h*/ 0x00,0x7C,0x08,0x04,0x04,0x08,0x00,0x00, /*"r"=52h*/ 0x00,0x58,0x54,0x54,0x54,0x64,0x00,0x00, /*"s"=53h*/ 0x00,0x04,0x3F,0x44,0x40,0x20,0x00,0x00, /*"t"=54h*/ 0x00,0x3C,0x40,0x40,0x3C,0x40,0x00,0x00, /*"u"=55h*/ 0x00,0x1C,0x20,0x40,0x20,0x1C,0x00,0x00, /*"v"=56h*/ 0x00,0x3C,0x40,0x30,0x40,0x3C,0x00,0x00, /*"w"=57h*/ 0x00,0x44,0x28,0x10,0x28,0x44,0x00,0x00, /*"x"=58h*/ 0x00,0x1C,0xA0,0xA0,0x90,0x7C,0x00,0x00, /*"y"=59h*/ 0x00,0x44,0x64,0x54,0x4C,0x44,0x00,0x00, /*"z"=5Ah*/
}; /* 中文字符库定义 */ unsigned char CCTAB[16][8]={ 0x82,0x8A,0x92,0xB2,0x02,0xA7,0x92,0x5E, /*蓬90 = 00H*/ 0x2A,0xAF,0x2A,0x5A,0x4A,0x83,0x82,0x00, 0x00,0x80,0x40,0x3F,0x41,0x90,0x95,0x95, 0x95,0xFF,0x95,0x95,0x95,0xD0,0x40,0x00, 0x80,0x64,0x24,0x24,0x3F,0x24,0xA6,0x64, /*勃90 = 01H*/ 0x20,0x20,0xFF,0x20,0x20,0xF0,0x20,0x00, 0x00,0x08,0x49,0x89,0x7D,0x0B,0x89,0x40, 0x30,0x0E,0x41,0x80,0x40,0x3F,0x00,0x00, 0x40,0x42,0x44,0xCC,0x00,0x20,0x22,0xE2, /*远90 = 02H*/ 0x22,0x22,0xE2,0x23,0x32,0x20,0x00,0x00, 0x00,0x40,0x20,0x1F,0x20,0x50,0x4C,0x43, 0x40,0x40,0x47,0x48,0x48,0x6E,0x20,0x00, 0x20,0x20,0x20,0x20,0x20,0x20,0xA0,0x7F, /*大90 = 03H*/ 0xA0,0x20,0x20,0x20,0x20,0x30,0x20,0x00, 0x00,0x40,0x40,0x20,0x10,0x0C,0x03,0x00, 0x01,0x06,0x08,0x10,0x20,0x60,0x20,0x00 };
/*============================================================* 函 数 名: sendData* 参 数：data* 功能描述:* 通过LPC2146，的GPIO口模拟并行口，与LCM模块通信* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/10=============================================================*/ void sendData(unsigned char data){ IO0DIR=0x007F8000; //P0.15---P0.22 作为输出 IO0SET =(data<<15); // 并行发送数据给LCD，使用GPIO：P0.15---P0.22 // returnVal = ((IO0PIN>>15 ) & 0xff);}
/*============================================================* 函 数 名: WrcmdL* 参 数：x* 参数说明：x为写入的命令* 功能描述:* 写命令到左屏* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/19==============================================================*/
void WrcmdL(unsigned char x) { //左屏 IO1SET =0x00020000; //CS1=1 IO1CLR =0x00010000; //CS2=0 DelayNS(1); //busy() IO1CLR =0x00040000; //p1.18 为低； D/I=0 /命令操作 IO1CLR =0x00080000; //p1.19 为低 R/W=0 /写输出 //命令输出到数据口 sendData(x); IO1SET =0x00400000; //E = 1 下降沿，写入到LCM DelayNS(0); IO1CLR =0X00400000; //E=0 IO0CLR =~x & 0x007f8000; IO0DIR=0x00000000; //P0.15---P0.22 作为输入 }
/*============================================================* 函 数 名: WrcmdR* 参 数：x* 参数说明：x为写入的命令* 功能描述:* 写命令到右屏* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/19==============================================================*/
void WrcmdR(unsigned char x) { //右屏 IO1CLR =0x00020000; //p1.17 为低； CS1=0 IO1SET =0x00010000; //p1.16 为高 CS2=1 //busy () DelayNS(1); //命令输出到数据口 sendData(x); IO1SET =0x00400000; //E = 1 下降沿，写入到LCM DelayNS(0); IO1CLR =0X00400000; //E=0 IO0CLR =~x & 0x007f8000; IO0DIR=0x00000000; //P0.15---P0.22 作为输入 } /*============================================================* 函 数 名: NWrdataL* 参 数：x* 参数说明：x为写入数据* 功能描述:* 写数据到左屏* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/19==============================================================*/
void NWrdataL(unsigned char x) { // 左屏 IO1SET =0x00020000; //CS1=1 IO1CLR =0x00010000; //CS2=0 DelayNS(1); // busy() IO1SET =0x00040000; //p1.18 为低； D/I=1 IO1CLR =0x00080000; //p1.19 为低 R/W=0 /写输出 //数据输出到数据口 sendData(x); IO1SET =0x00400000; //E = 1 下降沿，写入到LCM DelayNS(0); IO1CLR =0X00400000; //E=0 IO0CLR =~x & 0x007f8000; IO0DIR=0x00000000; //P0.15---P0.22 作为输入 } /*============================================================* 函 数 名: NWrdataR* 参 数：x* 参数说明：x为写入数据* 功能描述:* 写数据到右屏* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/19==============================================================*/
void NWrdataR(unsigned char x) { //右屏 IO1CLR =0x00020000; //p1.17 为低； CS1=0 IO1SET =0x00010000; //p1.16 为高 CS2=1 // busy() wtcom(); DelayNS(1); IO1SET =0x00040000; //p1.18 为低； D/I=1 //p_di=1; // 数据输出 IO1CLR =0x00080000; //p1.19 为低 R/W=0 /写输出 //数据输出到数据口 sendData(x); IO1SET =0x00400000; //E = 1 下降沿，写入到LCM DelayNS(0); IO1CLR =0X00400000; //E=0 IO0CLR =~x & 0x007f8000; IO0DIR=0x00000000; //P0.15---P0.22 作为输入 }
/*============================================================* 函 数 名: RddataL* 参 数：Null* 功能描述:* 读左屏数据* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/18==============================================================*/void RddataL(void) { IO0SET =0x007f8000; //(data<<15); // 左屏 IO1SET =0x00020000; //CS1=1 IO1CLR =0x00010000; //CS2=0 //wtcom(); // waitting for enable IO1SET =0x00040000; //p1.18 为低； D/I=1 IO1SET =0x00080000; //p1.19 为低 R/W=1 IO1SET =0x00400000; //E = 1 下降沿，写入到LCM cbyte = ((IO0PIN>>15 ) & 0xff);// Datalcm; //虚读一次 //Elcm = 0; DelayNS(0); IO1CLR =0X00400000; //E=0 //Locatexy(); //坐标定位，返回时保留分区状态不变 //Datalcm=0xFF; IO0SET =0x007f8000; //(data<<15); // 左屏 IO1SET =0x00020000; //CS1=1 IO1CLR =0x00010000; //CS2=0 IO1SET =0x00040000; //p1.18 为低； D/I=1 IO1SET =0x00080000; //p1.19 为低 R/W=1 IO1SET =0x00400000; //E = 1 下降沿，写入到LCM cbyte = ((IO0PIN>>15 ) & 0xff);// Datalcm; /再读一次 DelayNS(0); IO1CLR =0X00400000; //E=0 }
/*============================================================* 函 数 名: RddataR* 参 数：Null* 功能描述:* 读右屏数据* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/18==============================================================*/
void RddataR(void) { IO0SET =0x007f8000; //(data<<15); // 右屏 IO1CLR =0x00020000; //CS1=0 IO1SET =0x00010000; //CS2=1 //wtcom(); // waitting for enable IO1SET =0x00040000; //p1.18 为低； D/I=1 IO1SET =0x00080000; //p1.19 为低 R/W=1 IO1SET =0x00400000; //E = 1 下降沿，写入到LCM cbyte = ((IO0PIN>>15 ) & 0xff);// Datalcm; //虚读一次 DelayNS(0); IO1CLR =0X00400000; //E=0 IO0SET =0x007f8000; //(data<<15); // 右屏 IO1CLR =0x00020000; //CS1=0 IO1SET =0x00010000; //CS2=1 IO1SET =0x00040000; //p1.18 为低； D/I=1 IO1SET =0x00080000; //p1.19 为低 R/W=1 IO1SET =0x00400000; //E = 1 下降沿，写入到LCM cbyte = ((IO0PIN>>15 ) & 0xff);// Datalcm; /再读一次 DelayNS(0); IO1CLR =0X00400000; //E=0 } /*============================================================* 函 数 名: ClearLCD* 参 数：Null* 功能描述:* 清除LCD* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/18==============================================================*/ void ClearLCD(void){ for(count1=0xb8;count1!=0xcf;count1++) //以页地址作为循环量 { //count1 为页地址变量 WrcmdL(count1); //写左指令 WrcmdR(count1); //写右指令2007-9-20 14:14
//列地址设置 WrcmdL(0xc0); //写左指令 WrcmdR(0xc0); //写右指令 for(com=0;com<64;com++) //清除所有HD61202的内部RAM单元 { NWrdataL(0x00); NWrdataR(0x00);//data1=0x00; } } }
/*============================================================* 函 数 名: InitLCD* 参 数：Null* 功能描述:* 初始化LCD，完成LCD的 复位，及相关命令* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/17============================================================*/ void InitLCD() { IO1CLR =0x01000000; //res=0 复位信号为低 DelayNS(300); IO1SET =0x01000000; //RES = 1 复位信号为高 //显示起始行为"0" WrcmdL(0xc0); DelayNS(1); WrcmdR(0xc0); DelayNS(0); //开显示 WrcmdL(0x3f); DelayNS(1); WrcmdR(0x3f); }
/*==========================================================================* 函 数 名: CW_PR* 参 数：Null* 功能描述:* 写入西文字符函数* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/18===============================================================================*/ void CW_PR() { unsigned char j; j=para1; com=O_Y|0xb8; WrcmdL(com); DelayNS(5); WrcmdR(com); O_Y=j; if(O_X<O_Y) { com=O_X; //PR1(); WrcmdL(com); O_Y=1; } else { DelayNS(5); com=O_X-j; //PR4(); WrcmdR(com); DelayNS(1); O_Y=0; } com=com&0x3f; for(count1=0;count1<8;count1++) { dat1=CHTAB[code_1][count1]; if(O_Y==1) { //PR2(); NWrdataL(dat1); DelayNS(5); } else { //DelayNS(5); NWrdataR(dat1); } com++; if(com==j) { if(O_X==1) { com=0x40; //PR4(); WrcmdR(com); DelayNS(10); O_Y=0; } else { return; } } } }
/*==========================================================================* 函 数 名: W_DOT* 参 数：Null* 功能描述:* 绘点函数* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/18* 说 明：暂未使用===============================================================================*/ void W_DOT() { unsigned int j; j=para1; com=O_Y/8; code_1=O_Y%8; com=com|0xb8; //PR1(); //PR4(); WrcmdL(com); WrcmdR(com); O_Y=1; for(;code_1!=0;) { O_Y=O_Y*2; code_1--; } if(O_X<j) { com=O_X|0x40; //PR1(); //PR3(); //PR3(); //PR1(); WrcmdL(com); RddataL(); RddataL(); WrcmdL(com); dat1=dat1|O_Y; //PR2(); NWrdataL(dat1); } else { com=O_X-j|0x40; // PR4(); //PR6(); //PR6(); //PR4(); WrcmdR(com); RddataR(); RddataR(); WrcmdR(com); dat1=dat1|O_Y; //PR5(); NWrdataR(dat1);
} } /*==========================================================================* 函 数 名: CCW_PR* 参 数：Null* 功能描述:* 写中文字符* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/18* 说 明：暂未使用===============================================================================*/ void CCW_PR() { unsigned char i,j,k; i=0; j=para1; loop: com=O_Y|0xb8; //PR1(); //PR4(); WrcmdL(com); WrcmdR(com); if(O_X<j) { com=O_X|0x40; //PR1(); WrcmdL(com); k=1; } else { com=O_X-j|0x40; //PR4(); WrcmdR(com); k=0; } com=com&0x3f; for(count1=i;count1<i+16;count1++) { dat1=CCTAB[code_1][count1];
if(k==1) { //PR2(); NWrdataL(dat1); } else { //PR5(); NWrdataR(dat1); } com++; if(com==j) { if(k==1) { com=0; // PR4(); WrcmdR(com); k=0; } else { goto loop2; } } } loop2: if(i==0) { i=16; O_Y++; if(O_Y==8) { return; } else { goto loop; } } } /*==========================================================================* 函 数 名: WriteChar* 参 数：Null* 功能描述:* 显示西文字符函数* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/19* 修改记录：* 1) com=O_X;修改为： com=O_X|0x40;* 2) com=O_X-j;修改为：com=O_X-j|0x40; // sha zq 2007-9-20 11:02* 3) 将 1),2)中的 0x40 改为：0xc0 //sha zq 2007-9-20 14:35*修改说明： 1. 用原来的方法，自定义行么问题，而列显示不正常，修改后正常。 2. 改为0xc0后，矫正了列显示错位===============================================================================*/ void WriteChar() { unsigned char j; j=para1; com=O_Y|0xb8; WrcmdL(com); DelayNS(1); WrcmdR(com); O_Y=j; if(O_X<O_Y) { //com=O_X; com=O_X|0x40; WrcmdL(com); O_Y=1; } else { //com=O_X-j; com=O_X-j|0x40; WrcmdR(com); // DelayNS(1); O_Y=0; } com=com&0x3f; for(count1=0;count1<8;count1++) { dat1=CHTAB[code_1][count1]; if(O_Y==1) { NWrdataL(dat1); DelayNS(1); } else { DelayNS(1); NWrdataR(dat1); } com++; if(com==j) { if(O_X==1) { com=0x40; WrcmdR(com); DelayNS(1); O_Y=0; } else { return; } } } }
/*==========================================================================* 函 数 名: WriteCharE* 参 数：Null* 功能描述:* 显示西文字符函数，显示英文字符* 返 回 值：Null* 作 者：Sha zq 日期：2007-9-20 16:37* 修改记录：===============================================================================*/ void WriteCharE() { unsigned char j; j=para1; com=O_Y|0xb8; WrcmdL(com); DelayNS(1); WrcmdR(com); O_Y=j; if(O_X<O_Y) { //com=O_X; com=O_X|0x40; WrcmdL(com); O_Y=1; } else { //com=O_X-j; com=O_X-j|0x40; WrcmdR(com); // DelayNS(1); O_Y=0; } com=com&0x3f; for(count1=0;count1<8;count1++) { dat1=writeEH[code_1][count1]; if(O_Y==1) { NWrdataL(dat1); DelayNS(1); } else { DelayNS(1); NWrdataR(dat1); } com++; if(com==j) { if(O_X==1) { com=0x40; WrcmdR(com); DelayNS(1); O_Y=0; } else { return; } } } }
/*============================================================* 函 数 名：displayNumber* 参 数：row, col, no* 参数说明：row取值范围 0--7，col 取值范0--15， no 取值范围：0--9* 功能描述:* 用来显示0--9的数字，* 返 回 值：Null* 作 者：Sha zq 日期：2007/09/19============================================================*/ void displayNumber(unsigned char row, unsigned char col, unsigned char no){ O_Y=row; O_X=col*8; code_1=no; WriteChar(); }
/*============================================================* 函 数 名：displayEnglishLow* 参 数：row, col, no* 参数说明：row取值范围 0--7，col 取值范0--15， no 取值范围：0--25* 功能描述:* 用来显示0--9的数字，* 返 回 值：Null* 作 者：Sha zq 日期：2007-9-20 16:38============================================================*/ void displayEnglishLow(unsigned char row, unsigned char col, unsigned char no){ O_Y=row; O_X=col*8; code_1=no; WriteCharE(); }
已经在LPC2146 上调试通过，效果良好 呵呵，米前只能显示 英文字符 呵呵
有我问题可以发邮件和我联系
