最新51单片机GPS解码程序

这是头文件需要把这部分代码拷贝到 *＊.h 的文件中/*LCD1602 驱动，兼容 LCD2402＊/sbit LCD_DB0= P0^0;sbit LCD_DB1= P0^1；sbit LCD_DB2= P0^2；sbit LCD_DB3= P0^3;sbit LCD_DB4= P0^4；sbit LCD_DB5= P0^5;sbit LCD_DB6= P0^6；sbit LCD_DB7= P0^7;sbit LCD1602_RS=P1^0;sbit LCD1602_RW=P1^1； sbit LCD1602_EN=P1^2;void LCD_write_char( unsigned x，unsigned char y,unsigned char dat)； //在指定位置显示字符void LCD_write_string（unsigned char X，unsigned char Y,unsigned char ＊s)；//在指定位置显示字符串void LCD_cls（void);//清屏void LCD_en_command（unsigned char command)；void LCD_en_dat（unsigned char temp）;void LCD_set_xy( unsigned char x， unsigned char y )；void LCD_init（unsigned char bw）;void SET_LCD(unsigned char IO_temp);void delayms（unsigned char ms）；void lcddelay（void)；unsigned char LCDIO; unsigned char BitWidth;void LCD_cls（void){LCD_en_command（0x01）； //0x01 清屏 delayms（2)；}void LCD_en_command(unsigned char command）{LCD1602_RS=0; LCD1602_RW=0；LCD1602_EN=0；switch（BitWidth){ case 4：LCDIO=（command & 0xf0）; //取高 4 位break； case 8:LCDIO=command； break;｝SET_LCD（LCDIO)；LCD1602_EN=1；lcddelay（)；LCD1602_EN=0;if (BitWidth==4){LCDIO=(command & 0x0f)〈〈4;//取低 4 位SET_LCD（LCDIO)；LCD1602_EN=1；lcddelay（);LCD1602_EN=0；｝}void SET_LCD(unsigned char IO_temp）｛ //高 4 位LCD_DB7=IO_temp＆0x80;LCD_DB6=IO_temp&0x40；LCD_DB5=IO_temp&0x20;LCD_DB4=IO_temp&0x10；//低 4 位if (BitWidth==8）{LCD_DB3=IO_temp＆0x08;LCD_DB2=IO_temp&0x04；LCD_DB1=IO_temp&0x02;LCD_DB0=IO_temp＆0x01;｝}void LCD_en_dat(unsigned char dat)｛LCD1602_RS=1;LCD1602_RW=0；LCD1602_EN=0；switch(BitWidth）{ case 4:LCDIO=(dat ＆ 0xf0）; //取高 4 位break； case 8:LCDIO=dat;break；｝SET_LCD（LCDIO）；LCD1602_EN=1;lcddelay(）；LCD1602_EN=0；if (BitWidth==4）｛LCDIO=（dat & 0x0f）〈〈4; //取低 4 位SET_LCD(LCDIO)；LCD1602_EN=1；lcddelay(）；LCD1602_EN=0；｝}/＊=========================...