📄 lcd._c
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#include <iom32v.h>
#include <macros.h>
#include <def.h>
#include <lcd.h>
extern char time[10];
extern char status;
extern char latitude[9];
extern char NSind;
extern char longtitude[10];
extern char EWind;
extern char date[6];
unsigned char lcd_display2_buffer[8][21]; //显示缓冲区，共168字节
unsigned char *lcd_display_wrp;
unsigned char *lcd_display_rdp;
// ASCII 5x7 点的字符
const unsigned char asc [96][5] =
{
{ 0x00, 0x00, 0x00, 0x00, 0x00 }, // sp
{ 0x00, 0x00, 0x2f, 0x00, 0x00 }, // !
{ 0x00, 0x07, 0x00, 0x07, 0x00 }, // "
{ 0x14, 0x7f, 0x14, 0x7f, 0x14 }, // #
{ 0x24, 0x2a, 0x7f, 0x2a, 0x12 }, // $
{ 0xc4, 0xc8, 0x10, 0x26, 0x46 }, // %
{ 0x36, 0x49, 0x55, 0x22, 0x50 }, // &
{ 0x00, 0x05, 0x03, 0x00, 0x00 }, // '
{ 0x00, 0x1c, 0x22, 0x41, 0x00 }, // (
{ 0x00, 0x41, 0x22, 0x1c, 0x00 }, // )
{ 0x14, 0x08, 0x3E, 0x08, 0x14 }, // *
{ 0x08, 0x08, 0x3E, 0x08, 0x08 }, // +
{ 0x00, 0x00, 0x50, 0x30, 0x00 }, // ,
{ 0x10, 0x10, 0x10, 0x10, 0x10 }, // -
{ 0x00, 0x60, 0x60, 0x00, 0x00 }, // .
{ 0x20, 0x10, 0x08, 0x04, 0x02 }, // /
{ 0x3E, 0x51, 0x49, 0x45, 0x3E }, // 0
{ 0x00, 0x42, 0x7F, 0x40, 0x00 }, // 1
{ 0x42, 0x61, 0x51, 0x49, 0x46 }, // 2
{ 0x21, 0x41, 0x45, 0x4B, 0x31 }, // 3
{ 0x18, 0x14, 0x12, 0x7F, 0x10 }, // 4
{ 0x27, 0x45, 0x45, 0x45, 0x39 }, // 5
{ 0x3C, 0x4A, 0x49, 0x49, 0x30 }, // 6
{ 0x01, 0x71, 0x09, 0x05, 0x03 }, // 7
{ 0x36, 0x49, 0x49, 0x49, 0x36 }, // 8
{ 0x06, 0x49, 0x49, 0x29, 0x1E }, // 9
{ 0x00, 0x36, 0x36, 0x00, 0x00 }, // :
{ 0x00, 0x56, 0x36, 0x00, 0x00 }, // ;
{ 0x08, 0x14, 0x22, 0x41, 0x00 }, // <
{ 0x14, 0x14, 0x14, 0x14, 0x14 }, // =
{ 0x00, 0x41, 0x22, 0x14, 0x08 }, // >
{ 0x02, 0x01, 0x51, 0x09, 0x06 }, // ?
{ 0x32, 0x49, 0x59, 0x51, 0x3E }, // @
{ 0x7E, 0x11, 0x11, 0x11, 0x7E }, // A
{ 0x7F, 0x49, 0x49, 0x49, 0x36 }, // B
{ 0x3E, 0x41, 0x41, 0x41, 0x22 }, // C
{ 0x7F, 0x41, 0x41, 0x22, 0x1C }, // D
{ 0x7F, 0x49, 0x49, 0x49, 0x41 }, // E
{ 0x7F, 0x09, 0x09, 0x09, 0x01 }, // F
{ 0x3E, 0x41, 0x49, 0x49, 0x7A }, // G
{ 0x7F, 0x08, 0x08, 0x08, 0x7F }, // H
{ 0x00, 0x41, 0x7F, 0x41, 0x00 }, // I
{ 0x20, 0x40, 0x41, 0x3F, 0x01 }, // J
{ 0x7F, 0x08, 0x14, 0x22, 0x41 }, // K
{ 0x7F, 0x40, 0x40, 0x40, 0x40 }, // L
{ 0x7F, 0x02, 0x0C, 0x02, 0x7F }, // M
{ 0x7F, 0x04, 0x08, 0x10, 0x7F }, // N
{ 0x3E, 0x41, 0x41, 0x41, 0x3E }, // O
{ 0x7F, 0x09, 0x09, 0x09, 0x06 }, // P
{ 0x3E, 0x41, 0x51, 0x21, 0x5E }, // Q
{ 0x7F, 0x09, 0x19, 0x29, 0x46 }, // R
{ 0x46, 0x49, 0x49, 0x49, 0x31 }, // S
{ 0x01, 0x01, 0x7F, 0x01, 0x01 }, // T
{ 0x3F, 0x40, 0x40, 0x40, 0x3F }, // U
{ 0x1F, 0x20, 0x40, 0x20, 0x1F }, // V
{ 0x3F, 0x40, 0x38, 0x40, 0x3F }, // W
{ 0x63, 0x14, 0x08, 0x14, 0x63 }, // X
{ 0x07, 0x08, 0x70, 0x08, 0x07 }, // Y
{ 0x61, 0x51, 0x49, 0x45, 0x43 }, // Z
{ 0x00, 0x7F, 0x41, 0x41, 0x00 }, // [
{ 0x55, 0x2A, 0x55, 0x2A, 0x55 }, // 55
{ 0x00, 0x41, 0x41, 0x7F, 0x00 }, // ]
{ 0x04, 0x02, 0x01, 0x02, 0x04 }, // ^
{ 0x40, 0x40, 0x40, 0x40, 0x40 }, // _
{ 0x00, 0x01, 0x02, 0x04, 0x00 }, // '
{ 0x20, 0x54, 0x54, 0x54, 0x78 }, // a
{ 0x7F, 0x48, 0x44, 0x44, 0x38 }, // b
{ 0x38, 0x44, 0x44, 0x44, 0x20 }, // c
{ 0x38, 0x44, 0x44, 0x48, 0x7F }, // d
{ 0x38, 0x54, 0x54, 0x54, 0x18 }, // e
{ 0x08, 0x7E, 0x09, 0x01, 0x02 }, // f
{ 0x0C, 0x52, 0x52, 0x52, 0x3E }, // g
{ 0x7F, 0x08, 0x04, 0x04, 0x78 }, // h
{ 0x00, 0x44, 0x7D, 0x40, 0x00 }, // i
{ 0x20, 0x40, 0x44, 0x3D, 0x00 }, // j
{ 0x7F, 0x10, 0x28, 0x44, 0x00 }, // k
{ 0x00, 0x41, 0x7F, 0x40, 0x00 }, // l
{ 0x7C, 0x04, 0x18, 0x04, 0x78 }, // m
{ 0x7C, 0x08, 0x04, 0x04, 0x78 }, // n
{ 0x38, 0x44, 0x44, 0x44, 0x38 }, // o
{ 0x7C, 0x14, 0x14, 0x14, 0x08 }, // p
{ 0x08, 0x14, 0x14, 0x18, 0x7C }, // q
{ 0x7C, 0x08, 0x04, 0x04, 0x08 }, // r
{ 0x48, 0x54, 0x54, 0x54, 0x20 }, // s
{ 0x04, 0x3F, 0x44, 0x40, 0x20 }, // t
{ 0x3C, 0x40, 0x40, 0x20, 0x7C }, // u
{ 0x1C, 0x20, 0x40, 0x20, 0x1C }, // v
{ 0x3C, 0x40, 0x30, 0x40, 0x3C }, // w
{ 0x44, 0x28, 0x10, 0x28, 0x44 }, // x
{ 0x0C, 0x50, 0x50, 0x50, 0x3C }, // y
{ 0x44, 0x64, 0x54, 0x4C, 0x44 }, // z
{ 0x00, 0x08, 0x36, 0x41, 0x41 }, // {
{ 0x00, 0x00, 0x7f, 0x00, 0x00 }, // |
{ 0x41, 0x41, 0x36, 0x08, 0x00 }, // }
{ 0x04, 0x02, 0x04, 0x08, 0x04 }, // ~
{ 0x00, 0x00, 0x00, 0x00, 0x00 }, // del
};
unsigned char temp_i;
//声明全局变量
void display(void)
{
Write_time();
Write_latitude();
Write_longtitude();
Write_date();
lcd_display2();
}
/*******************************************************
display every item
incluede display time ,data,latitude N/S,longtitude E/W
********************************************************/
//write time to lcd buffer
void Write_time(void)
{
char* aptr;
int i;
aptr=time;
lcd_display_wrp=&lcd_display2_buffer[1][1];
*lcd_display_wrp++='T';
*lcd_display_wrp++='I';
*lcd_display_wrp++='M';
*lcd_display_wrp++='E';
*lcd_display_wrp++=':';
*lcd_display_wrp++=time[0];
*lcd_display_wrp++=time[1];
*lcd_display_wrp++=':';
*lcd_display_wrp++=time[2];
*lcd_display_wrp++=time[3];
*lcd_display_wrp++=':';
*lcd_display_wrp++=time[4];
*lcd_display_wrp++=time[5];
lcd_display_wrp=&lcd_display2_buffer[0][0];
lcd_display_rdp=&lcd_display2_buffer[0][0];
SEI();
}
//write latitude to lcd buffer
void Write_latitude(void)
{
char* aptr;
int i;
aptr=time;
lcd_display_wrp=&lcd_display2_buffer[2][1];
*lcd_display_wrp++='L';
*lcd_display_wrp++='A';
*lcd_display_wrp++='T';
*lcd_display_wrp++=':';
*lcd_display_wrp++=latitude[0];
*lcd_display_wrp++=latitude[1];
*lcd_display_wrp++='D';
*lcd_display_wrp++=latitude[2];
*lcd_display_wrp++=latitude[3];
*lcd_display_wrp++=latitude[4];
*lcd_display_wrp++=latitude[5];
*lcd_display_wrp++=latitude[6];
*lcd_display_wrp++=latitude[7];
*lcd_display_wrp++=latitude[8];
*lcd_display_wrp++=NSind;
lcd_display_wrp=&lcd_display2_buffer[0][0];
lcd_display_rdp=&lcd_display2_buffer[0][0];
SEI();
}
//write longtitude to lcd buffer
void Write_longtitude(void)
{
char* aptr;
int i;
aptr=time;
lcd_display_wrp=&lcd_display2_buffer[3][1];
*lcd_display_wrp++='L';
*lcd_display_wrp++='O';
*lcd_display_wrp++='N';
*lcd_display_wrp++=':';
*lcd_display_wrp++=longtitude[0];
*lcd_display_wrp++=longtitude[1];
*lcd_display_wrp++=longtitude[2];
*lcd_display_wrp++='D';
*lcd_display_wrp++=longtitude[3];
*lcd_display_wrp++=longtitude[4];
*lcd_display_wrp++=longtitude[5];
*lcd_display_wrp++=longtitude[6];
*lcd_display_wrp++=longtitude[7];
*lcd_display_wrp++=longtitude[8];
*lcd_display_wrp++=longtitude[9];
*lcd_display_wrp++=EWind;
lcd_display_wrp=&lcd_display2_buffer[0][0];
lcd_display_rdp=&lcd_display2_buffer[0][0];
SEI();
}
void Write_date(void)
{
char* aptr;
int i;
aptr=time;
lcd_display_wrp=&lcd_display2_buffer[4][1];
*lcd_display_wrp++='D';
*lcd_display_wrp++='A';
*lcd_display_wrp++='T';
*lcd_display_wrp++='E';
*lcd_display_wrp++=':';
*lcd_display_wrp++=date[0];
*lcd_display_wrp++=date[1];
*lcd_display_wrp++='-';
*lcd_display_wrp++=date[2];
*lcd_display_wrp++=date[3];
*lcd_display_wrp++='-';
*lcd_display_wrp++=date[4];
*lcd_display_wrp++=date[5];
lcd_display_wrp=&lcd_display2_buffer[0][0];
lcd_display_rdp=&lcd_display2_buffer[0][0];
SEI();
}
/*****************************************************
LCD function
inclue
*****************************************************/
//写lcd的cs1命令寄存器函数
void lcd_wr1_ins (unsigned char lcd_wr_buffer)
{
unsigned char lcd_wr_temp;
e_off; //读lcd状态
rw_on;
di_off;
cs1_on;
DDRA&=0x03;
PORTA&=0x03;
DDRC&=0xFC;
PORTC&=0xFC;
e_on;
NOP();
NOP();
NOP();
lcd_wr_temp=(PINA&0xfc);
lcd_wr_temp|=(PINC&0x03);
e_off;
cs1_off;
while(lcd_wr_temp&0x90)
{
e_off; //读lcd状态
rw_on;
di_off;
cs1_on;
DDRA&=0x03;
PORTA&=0x03;
DDRC&=0xFC;
PORTC&=0xFC;
e_on;
NOP();
NOP();
NOP();
lcd_wr_temp=(PINA&0xfc);
lcd_wr_temp|=(PINC&0x03);
e_off;
cs1_off;
}
e_off; //写lcd命令
rw_off;
di_off;
cs1_on;
PORTA&=0x03;
PORTA|=(lcd_wr_buffer&0xFC);
PORTC&=0xFC;
PORTC|=(lcd_wr_buffer&0x03);
DDRA|=0xFC;
DDRC|=0X03;
e_on;
NOP();
NOP();
NOP();
NOP();
e_off;
cs1_off;
NOP();
NOP();
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