MAX31855驱动程序

/*************************************************************/ /* c program for AT89C52 */ /* this programme for 7LCD */ /* Company: kill team */ /* Programmer: windy */ /* phone: 13891912727 */ /* Email: [email protected] */ /* Time: 2010-2-10 9:52 */ /*************************************************************/ #include "global.h" struct DisCharacter { char Character; BYTE DisCode; }; const struct DisCharacter code DisLib[27] = { {'0',0x3F}, {'1',0x06}, {'2',0x5B}, {'3',0x4F}, {'4',0x66}, {'5',0x6D}, {'6',0x7D}, {'7',0x07}, {'8',0x7F}, {'9',0x67}, {'E',0x79}, {'P',0x73}, {'I',0x0F}, {'T',0x07}, {'H',0x76}, {' ',0x00}, {'-',0x40}, {0,0x3F}, {1,0x06}, {2,0x5B}, {3,0x4F}, {4,0x66}, {5,0x6D}, {6,0x7D}, {7,0x07}, {8,0x7F}, {9,0x67}, }; char idata *p, Display_Data[4]; //================================================================================= void DisplayTest() { BYTE i; char CHTest[2]; CHTest[1] = '\0'; for (i=0; i<27; i++) { CHTest[0] = DisLib[i].DisCode; MyPrint(CHTest,3); DelayX10ms(100); } } //----------------------------------------------------------------- void init_LCD(void) { ClearLCD(); } //----------------------------------------------------------------- void ClearLCD(void) { MyPrint(" ",0); } //----------------------------------------------------------------- void Display_ERR(BYTE Flag,BYTE Adr) { char StrDis[4] = {'\0','\0','\0','\0'}; switch (Flag) { case 1: StrDis[0] = 'E'; StrDis[1] = '1'; break; case 2: StrDis[0] = 'E'; StrDis[1] = '2'; break; case 3: StrDis[0] = 'E'; StrDis[1] = '3'; break; default: break; } if (bColon) { MyPrint(StrDis, Adr); } else { StrDis[0] = ' '; StrDis[1] = ' '; StrDis[2] = ' '; StrDis[3] = ' '; MyPrint(StrDis, Adr); } } //----------------------------------------------------------------- void DisplayTEM(WORD TEM,BYTE Adr) { BYTE i; char StrDis[5] = {'\0','\0','\0','\0','\0'}; StrDis[0] = (TEM & 0x8000)? '-':' '; TEM = TEM & 0x7FFF; if (999 < TEM) TEM = 999; for (i=0; i<4; i++) Display_Data[i] = '\0'; Transport(TEM, Display_Data); strcat(StrDis,Display_Data); MyPrint(StrDis, Adr); } //================================================================================= void MyPrint(char DisplayChar[],BYTE Address) { byte i,j,k=0; p = DisplayChar; j = strlen(DisplayChar); for (i=Address; k<j; i++,k++) { switch (i) { case 0: LCD_BUS = 0x80 | getCode(DisplayChar[k]); LCD_1(); break; case 1: LCD_BUS = 0x80 | getCode(DisplayChar[k]); LCD_2(); break; case 2: LCD_BUS = 0x80 | getCode(DisplayChar[k]); LCD_3(); break; case 3: LCD_BUS = 0x80 | getCode(DisplayChar[k]); LCD_4(); break; default : break; } } } //----------------------------------------------------------------- BYTE getCode(BYTE CHX) { BYTE i; for (i=0; i<26; i++) { if (DisLib[i].Character == CHX) { return DisLib[i].DisCode; } } } //----------------------------------------------------------------- void Transport(WORD number, BYTE *P) { //*(P++) = number/1000+48; //number = number - number/1000*1000; *(P++) = number/100+48; number = number - number/100*100; *(P++) = number/10+48; number = number - number/10*10; *(P++) = number+48; } //=================================================================================