2017-05-08 146 views
0

我正試圖用鍵盤爲海康威視讀卡器編寫一個庫。 Here is some information about that reader。我還以Arduino庫爲例。該庫適用於讀取數據並使用相同的外部中斷引腳:https://github.com/monkeyboard/Wiegand-Protocol-Library-for-ArduinoAtmega328 Wiegand協議實現

我在Google中搜索了很多,但沒有找到可用的C示例。我從零寫了我的代碼,但它沒有奏效。我可以看到一些輸出數據,但它與真實數據沒有任何共同之處。 所以這裏是例子:我把Card放在Wiegand 26協議的Reader上,ID爲0x1532FC,Output爲0x94F8。

也許有人會幫我找到一個錯誤。

因此,這裏是我的代碼:

#define F_CPU 16000000 
#include <avr/io.h> 
#include "c:\users\irakli\Documents\Atmel Studio\7.0\wiegand C\wiegand C\UART.h" 
#include <avr/interrupt.h> 
#include <util/delay.h> 

`unsigned long CardID = 0; // DATA 
int bit_count= 0; //Wiegand type 

int Send; 

int DataArray[26] = {}; 
int *ptr = DataArray; 

void WiegandReadD0(void) // INT0 Port PD3 
{ 
    bit_count++; 
    CardID = CardID << 1; 
    _delay_ms(1);  
} 
void WiegandReadD1(void) // INT1 Port PD4 
{ 
    bit_count++; 
    CardID = CardID << 1; 
    CardID = CardID + 0x01; 
    _delay_ms(1); 
} 

void WiegandSendD0(void) // PD5 Send Data0 
{ 
    PORTD = (0 << 5); 
    _delay_us(20); 
    PORTD = (1 << 5); 
    _delay_ms(2); 
} 
void WiegandSendD1(void) // PD6 Send Data1 
{ 
    PORTD = (0 << 6); 
    _delay_us(20); 
    PORTD = (1 << 6); 
    _delay_ms(2); 
} 

void Send_Data() 
{ 
    unsigned long data; 
    int type; 

    data = CardID; 
    type = bit_count; 

    for(int i = 0; i <= (type - 1); i++) // Decimal To Binary Array 
    { 
    if(((1 << i) & data) != 0) 
    { 
     *(ptr + i) = 1; 
    } 
    else 
    { 
     *(ptr + i) = 0; 
    } 
    } // END Of FOR 

    for(int i = (type - 1); i >= 0; --i) //Data Send Function 
    { 
    Send = *(ptr + i); 

    if(Send == 1) 
     WiegandSendD1(); 
    if(Send == 0) 
     WiegandSendD0(); 
    } 
    } 

    int main(void) 
    { 
    Uart_init(); 
    sei(); 

    DDRD = (0 << 3) | (0 << 4); // Input Ports For Reading Wiegand 
    PORTD = (0 << 3) | (0 << 4); // No Pull-up 
    EIMSK = (1 << INT0) | (1 << INT1); // Enable External Interrupts On PD3 
             // and PD4 

    DDRD = (1 << 5) | (1 << 6); // Output Ports For Sending Wiegand. PD5 = 
           // D0, PD6 = D1. 
    PORTD = (1 << 5) | (1 << 6); // PUll-ups Enable 

    while (1) 
    { 
     _delay_ms(1000); 
     printf("Card ID = %ld\t Card HEX = %.x\t Wiegand Type = %d\t\n",CardID, CardID, bit_count); 
     _delay_ms(500); 

     Send_Data(); 

     CardID = 0; 
     bit_count = 0; 
    }  
    } 

    ISR(INT0_vect) 
    {  
     WiegandReadD0(); 
    } 
    ISR(INT1_vect) 
    {  
     WiegandReadD1(); 
    }` 

如果需要更多的詳細信息,請寫信。

回答

0

有一個愚蠢的錯誤在:

printf("Card ID = %ld\t Card HEX = %.x\t Wiegand Type = %d\t\n",CardID, CardID, bit_count); 

這裏應該是:

printf("Card ID = %l\t Card HEX = %.x\t Wiegand Type = %d\t\n",CardID, CardID, bit_count); 

!但是如果有人使用這個代碼,他們應該考慮輸出包括奇偶校驗位。 !