LPT.zip_串口 是否

#include <stdio.h> #include <dos.h> unsigned char GetCOMNum(unsigned int *Amount, unsigned int *COMA, unsigned int *COMB); unsigned char GetLPTNum(unsigned int *Amount, unsigned int *PRT1); unsigned char VerifySIO(unsigned int COM1, unsigned int COM2, unsigned int LPT); unsigned char VerifyCOM(unsigned int COM); unsigned char VerifyPRT(unsigned int LPT); int main(void) { unsigned char bTestResult, bTemp; unsigned int COMNum, LPTNum; unsigned int COM1PORT, COM2PORT, LPTPORT; printf("\n======================================"); printf("\n=== Nuvoton 2011-07-27==="); printf("\n=== NCT6681 LPT Test Ver 1.0==="); printf("\n======================================"); bTestResult = 99; // bTemp = GetCOMNum(&COMNum, &COM1PORT, &COM2PORT); // if (bTemp != 0) return 1; bTemp = GetLPTNum(&LPTNum, &LPTPORT); printf("1"); //debug if (bTemp != 0) return bTestResult; COM1PORT = 0x0000; COM2PORT = 0x0000; bTemp = VerifySIO(COM1PORT, COM2PORT, LPTPORT); printf("2"); if (bTemp != 0) return bTestResult; printf("\nCOM1: %04X", COM1PORT); printf("\nCOM2: %04X", COM2PORT); printf("\n LPT: %04X", LPTPORT); bTemp = VerifyCOM(COM1PORT); if (bTemp != 0) return bTestResult; bTemp = VerifyCOM(COM2PORT); if (bTemp != 0) return bTestResult; bTemp = VerifyPRT(LPTPORT); if (bTemp != 0) return bTestResult; printf("\nPASS"); return 0x00; } /*unsigned char GetCOMNum(unsigned int *Amount, unsigned int *COMA, unsigned int *COMB) { unsigned int Equipment; unsigned int Num; unsigned int PORTA, PORTB; Equipment = peek(0x40, 0x10); Num = (Equipment & 0x0E00) >> 9; if (Num > 4) return 1; PORTA = peek(0x40, 0x00); PORTB = peek(0x40, 0x02); // if ((PORTA == 0x0000) && (PORTB == 0x0000) && (Num != 0)) return 2; *Amount = Num; *COMA = PORTA; *COMB = PORTB; return 0; }*/ unsigned char GetLPTNum(unsigned int *Amount, unsigned int *PRT1) { unsigned int Equipment; unsigned int Num; unsigned int PRTPORT; // Equipment = peek(0x40, 0x10); // Num = (Equipment & 0xC000) >> 13; // if (Num > 3) return 1; // *Amount = Num; // if (Num == 0) return 0; PRTPORT = peek(0x40, 0x08); if (PRTPORT != 0x0000) { *Amount = 1; *PRT1 = PRTPORT; return 0; } /* PRTPORT = peek(0x40, 0x0A); if (PRTPORT != 0x0000) { *PRT1 = PRTPORT; return 0; } PRTPORT = peek(0x40, 0x0C); if (PRTPORT != 0x0000) { *PRT1 = PRTPORT; return 0; } */ return 2; } unsigned char VerifySIO(unsigned int COM1, unsigned int COM2, unsigned int LPT) { unsigned char EFER, EFIR, EFDR; unsigned int i; unsigned char CHIPID_H, CHIPID_L, ucHi, ucLo, ucTemp; for (i = 0; i < 2; i++) { if (i == 0) EFER = 0x2E; else EFER = 0x4E; EFIR = EFER; EFDR = EFER + 1; outportb(EFER, 0xAA); outportb(EFER, 0x87); outportb(EFER, 0x87); outportb(EFIR, 0x20); CHIPID_H = inportb(EFDR); if (CHIPID_H != 0xB2) continue; outportb(EFIR, 0x21); CHIPID_L = inportb(EFDR); if (CHIPID_L != 0x71) continue; // Test BIOS SETTING if (LPT != 0x0000) { ucHi = (unsigned char)(LPT >> 8); ucLo = (unsigned char)LPT; outportb(EFIR, 0x07); outportb(EFDR, 0x01); outportb(EFIR, 0x30); ucTemp = inportb(EFDR); if (ucTemp != 0x01) return 2; outportb(EFIR, 0x60); ucTemp = inportb(EFDR); if (ucTemp != ucHi) return 2; outportb(EFIR, 0x61); ucTemp = inportb(EFDR); if (ucTemp != ucLo) return 2; } if (COM1 != 0x0000) { ucHi = (unsigned char)(COM1 >> 8); ucLo = (unsigned char)COM1; outportb(EFIR, 0x07); outportb(EFDR, 0x02); outportb(EFIR, 0x30); ucTemp = inportb(EFDR); if (ucTemp != 0x01) return 2; outportb(EFIR, 0x60); ucTemp = inportb(EFDR); if (ucTemp != ucHi) return 2; outportb(EFIR, 0x61); ucTemp = inportb(EFDR); if (ucTemp != ucLo) return 2; } if (COM2 != 0x0000) { ucHi = (unsigned char)(COM2 >> 8); ucLo = (unsigned char)COM2; outportb(EFIR, 0x07); outportb(EFDR, 0x02); outportb(EFIR, 0x30); ucTemp = inportb(EFDR); if (ucTemp != 0x01) return 2; outportb(EFIR, 0x60); ucTemp = inportb(EFDR); if (ucTemp != ucHi) return 2; outportb(EFIR, 0x61); ucTemp = inportb(EFDR); if (ucTemp != ucLo) return 2; } return 0; } return 1; } unsigned char VerifyCOM(unsigned int COM) { unsigned char ucTemp, ucLC, ucNew; if (COM == 0x0000) return 0; // set baudrate ucLC = inportb(COM + 3); outportb(COM + 3, 0x83); outportb(COM + 0, 0x01); outportb(COM + 1, 0x00); outportb(COM + 3, 0x03); // internal loopback ucTemp = inportb(COM + 4); outportb(COM + 4, ucTemp | 0x10); ucTemp = inportb(COM); if (ucTemp != 0x55) ucNew = 0x55; else ucNew = 0xAA; outportb(COM, ucNew); delay(10); ucTemp = inportb(COM + 5); if ((ucTemp & 0x01) == 0x00) return 1; ucTemp = inportb(COM); if (ucTemp != ucNew) return 1; ucTemp = inportb(COM + 5); if ((ucTemp & 0x01) == 0x01) return 1; // restore setting ucTemp = inportb(COM + 4); outportb(COM + 4, ucTemp & 0xEF); outportb(COM + 3, ucLC); return 0; } unsigned char VerifyPRT(unsigned int LPT) { unsigned char ucTemp, ucNew; if (LPT == 0x0000) return 0; ucTemp = inportb(LPT); if (ucTemp != 0x00) ucNew = 0x00; else ucNew = 0x00; outportb(LPT, ucNew); ucTemp = inportb(LPT); if (ucTemp != ucNew) return 1; return 0; }