重构各页面代码，从h文件改为cpp文件；

添加硬件接口并添加，readerAPI使用硬件接口获取invenory信息和connect；
完成开卡初始页面，获取卡号和学号。

VCD.cpp

@@ -0,0 +1,56 @@
+#include "VCD.h"
+
+#define POLYNOMIAL		0x8408		// x^16 + x^12 + x^5 + 1
+#define PRESET_VALUE	0xFFFF
+#define CHECK_VALUE		0xF0B8
+#define CALC_CRC		1
+#define CHECK_CRC		0
+
+void CVCD::CRC16( int buflen, uchar_t buf[], uchar_t *pucCRCL, uchar_t *pucCRCH )
+{
+	unsigned int current_crc_value;
+	unsigned char *array_of_databytes;
+	int number_of_databytes;
+	int i, j;
+
+	number_of_databytes = buflen;
+	array_of_databytes = buf;
+	current_crc_value = PRESET_VALUE;
+	for (i = 0; i < number_of_databytes; i++)
+	{
+		current_crc_value = current_crc_value ^ ((unsigned int)array_of_databytes[i]);
+		for (j = 0; j < 8; j++)
+		{
+			if (current_crc_value & 0x0001)
+			{
+				current_crc_value = (current_crc_value >> 1) ^ POLYNOMIAL;
+			}
+			else
+			{
+				current_crc_value = (current_crc_value >> 1);
+			}
+		}
+	}
+	current_crc_value = ~current_crc_value;
+	*pucCRCL = current_crc_value & 0xFF;
+	*pucCRCH = (current_crc_value >> 8) & 0xFF;
+}
+
+void CVCD::ISO15693_getCRC16( int buflen, uchar_t buf[], uchar_t *pucCRCL, uchar_t *pucCRCH )
+{
+	CRC16( buflen, buf, pucCRCL, pucCRCH );
+}
+
+bool CVCD::ISO15693_checkCRC16( int buflen, uchar_t buf[] )
+{
+	uchar_t ucCRCL, ucCRCH;
+	CRC16( buflen-2, buf, &ucCRCL, &ucCRCH );
+	if( ucCRCL == buf[buflen-2] && ucCRCH == buf[buflen-1] )
+	{
+		return true;
+	}
+	else
+	{
+		return false;
+	}
+}