?? m500auc.c
字號:
#define M500_GLOBALS
#include <string.h>
#include <stdio.h>
#include <absacc.h>
#include <intrins.h>
#include "Mfreg500.h"
#include "MfErrNo.h"
#include "reg52.h"
#include "M500AuC.h"
#define GetRegPage(addr) (0x70 | (addr>>3))
#define nocard 0
#define mifare1 1
#define mifarepro 2
#define mifarelight 3
#define unknowncard 4
#define NO_TIMER2 1
///////////////////////////////////////////////////////////////////////
// 往一個地址寫一個數據
///////////////////////////////////////////////////////////////////////
void WriteRawIO(unsigned char Address,unsigned char value)
{
XBYTE[Address]=value;
}
///////////////////////////////////////////////////////////////////////
// 從一個地址讀出一個數據
///////////////////////////////////////////////////////////////////////
unsigned char ReadRawIO(unsigned char Address)
{
return XBYTE[Address];
}
///////////////////////////////////////////////////////////////////////
// 往一個地址寫一個數據(EEPROM)
///////////////////////////////////////////////////////////////////////
void WriteIO(unsigned char Address, unsigned char value)
{
WriteRawIO(0x00,GetRegPage(Address));
WriteRawIO(Address,value);
}
///////////////////////////////////////////////////////////////////////
// 從一個地址讀出一個數據(EEPROM)
///////////////////////////////////////////////////////////////////////
unsigned char ReadIO(unsigned char Address)
{
WriteRawIO(0x00,GetRegPage(Address));
return ReadRawIO(Address);
}
///////////////////////////////////////////////////////////////////////
// 設置定時時間
///////////////////////////////////////////////////////////////////////
void M500PcdSetTmo(unsigned char tmoLength)
{
switch(tmoLength)
{
case 1:
WriteIO(RegTimerClock,0x07);
WriteIO(RegTimerReload,0x6a);
break;
case 2:
WriteIO(RegTimerClock,0x07);
WriteIO(RegTimerReload,0xa0);
break;
case 3:
WriteIO(RegTimerClock,0x09);
WriteIO(RegTimerReload,0xa0);
break;
case 4:
WriteIO(RegTimerClock,0x09);
WriteIO(RegTimerReload,0xff);
break;
case 5:
WriteIO(RegTimerClock,0x0b);
WriteIO(RegTimerReload,0xff);
break;
case 6:
WriteIO(RegTimerClock,0x0d);
WriteIO(RegTimerReload,0xff);
break;
case 7:
WriteIO(RegTimerClock,0x0f);
WriteIO(RegTimerReload,0xff);
break;
default:
WriteIO(RegTimerClock,0x07);
WriteIO(RegTimerReload,tmoLength);
break;
}
}
///////////////////////////////////////////////////////////////////////
// Request Command defined in ISO14443(Mifare)
///////////////////////////////////////////////////////////////////////
char M500PcdCmd(unsigned char cmd,
volatile unsigned char data *rcv,
MfCmdInfo idata *info)
{
char idata status = MI_OK;
char idata tmpStatus ;
unsigned char idata lastBits;
unsigned int idata timecnt = 0;
unsigned char idata irqEn = 0x00;
unsigned char idata waitFor = 0x00;
unsigned char idata timerCtl = 0x00;
WriteIO(RegInterruptEn,0x7F);
WriteIO(RegInterruptRq,0x7F);
WriteIO(RegCommand,PCD_IDLE);
FlushFIFO();
MpIsrInfo = info;
MpIsrOut = rcv;
info->irqSource = 0x00;
switch(cmd)
{
case PCD_IDLE:
irqEn = 0x00;
waitFor = 0x00;
break;
case PCD_WRITEE2:
irqEn = 0x11;
waitFor = 0x10;
break;
case PCD_READE2:
irqEn = 0x07;
waitFor = 0x04;
break;
case PCD_LOADCONFIG:
case PCD_LOADKEYE2:
case PCD_AUTHENT1:
irqEn = 0x05;
waitFor = 0x04;
break;
case PCD_CALCCRC:
irqEn = 0x11;
waitFor = 0x10;
break;
case PCD_AUTHENT2:
irqEn = 0x04;
waitFor = 0x04;
break;
case PCD_RECEIVE:
info->nBitsReceived = -(ReadIO(RegBitFraming) >> 4);
irqEn = 0x06;
waitFor = 0x04;
break;
case PCD_LOADKEY:
irqEn = 0x05;
waitFor = 0x04;
break;
case PCD_TRANSMIT:
irqEn = 0x05;
waitFor = 0x04;
break;
case PCD_TRANSCEIVE:
info->nBitsReceived = -(ReadIO(RegBitFraming) >> 4);
irqEn = 0x3D;
waitFor = 0x04;
break;
default:
status = MI_UNKNOWN_COMMAND;
}
if (status == MI_OK)
{
irqEn |= 0x20;
waitFor |= 0x20;
timecnt=1000;
WriteIO(RegInterruptEn,irqEn | 0x80);
WriteIO(RegCommand,cmd);
while (!(MpIsrInfo->irqSource & waitFor||!(timecnt--)));
WriteIO(RegInterruptEn,0x7F);
WriteIO(RegInterruptRq,0x7F);
SetBitMask(RegControl,0x04);
WriteIO(RegCommand,PCD_IDLE);
if (!(MpIsrInfo->irqSource & waitFor))
{
status = MI_ACCESSTIMEOUT;
}
else
{
status = MpIsrInfo->status;
}
if (status == MI_OK)
{
if (tmpStatus = (ReadIO(RegErrorFlag) & 0x17))
{
if (tmpStatus & 0x01)
{
info->collPos = ReadIO(RegCollPos);
status = MI_COLLERR;
}
else
{
info->collPos = 0;
if (tmpStatus & 0x02)
{
status = MI_PARITYERR;
}
}
if (tmpStatus & 0x04)
{
status = MI_FRAMINGERR;
}
if (tmpStatus & 0x10)
{
FlushFIFO();
status = MI_OVFLERR;
}
if (tmpStatus & 0x08)
{
status = MI_CRCERR;
}
if (status == MI_OK)
status = MI_NY_IMPLEMENTED;
}
if (cmd == PCD_TRANSCEIVE)
{
lastBits = ReadIO(RegSecondaryStatus) & 0x07;
if (lastBits)
info->nBitsReceived += (info->nBytesReceived-1) * 8 + lastBits;
else
info->nBitsReceived += info->nBytesReceived * 8;
}
}
else
{
info->collPos = 0x00;
}
}
MpIsrInfo = 0;
MpIsrOut = 0;
return status;
}
///////////////////////////////////////////////////////////////////////
// 置一個bit
///////////////////////////////////////////////////////////////////////
char SetBitMask(unsigned char reg,unsigned char mask)
{
char idata tmp = 0x00;
tmp = ReadIO(reg);
WriteIO(reg,tmp | mask); // set bit mask
return 0x00;
}
///////////////////////////////////////////////////////////////////////
// 清一個bit
///////////////////////////////////////////////////////////////////////
char ClearBitMask(unsigned char reg,unsigned char mask)
{
char idata tmp = 0x00;
tmp = ReadIO(reg);
WriteIO(reg,tmp & ~mask); // clear bit mask
return 0x00;
}
///////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////
void FlushFIFO(void)
{
SetBitMask(RegControl,0x01);
}
///////////////////////////////////////////////////////////////////////
// Set card in HALT-state
// 終止卡的操作
///////////////////////////////////////////////////////////////////////
char M500PiccHalt(void)
{
char idata status = MI_CODEERR;
// ************* Cmd Sequence **********************************
ResetInfo(MInfo);
SerBuffer[0] = PICC_HALT ; // Halt command code
SerBuffer[1] = 0x00; // dummy address
MInfo.nBytesToSend = 2;
status = M500PcdCmd(PCD_TRANSCEIVE,
SerBuffer,
&MInfo);
if (status)
{
// timeout error ==> no NAK received ==> OK
if (status == MI_NOTAGERR || status == MI_ACCESSTIMEOUT)
{
status = MI_OK;
}
}
//reset command register - no response from tag
WriteIO(RegCommand,PCD_IDLE);
return status;
}
///////////////////////////////////////////////////////////////////////
// Reset the MF RC500
///////////////////////////////////////////////////////////////////////
char M500PcdReset(void)
{
char idata status = MI_OK;
unsigned int idata timecnt=0;
RC500RST = 0;
delay_1ms(25);
RC500RST = 1;
delay_50us(200);
RC500RST = 0;
delay_50us(50);
timecnt=1000;
while ((ReadIO(RegCommand) & 0x3F) && timecnt--);
if(!timecnt)
{
status = MI_RESETERR;
}
if (status == MI_OK)
{
//WriteIO(RegPage,0x80);
if (ReadIO(RegCommand) != 0x00)
{
status = MI_INTERFACEERR;
}
}
return status;
}
///////////////////////////////////////////////////////////////////////
// Configures the MF RC500
///////////////////////////////////////////////////////////////////////
char M500PcdConfig(void)
{
char idata status;
if ((status = M500PcdReset()) == MI_OK)
{
WriteIO(RegClockQControl,0x00);
WriteIO(RegClockQControl,0x40);
delay_50us(2);
ClearBitMask(RegClockQControl,0x40);
WriteIO(RegBitPhase,0xAD);
WriteIO(RegRxThreshold,0xFF);
WriteIO(RegRxControl2,0x01);
WriteIO(RegFIFOLevel,0x1A);
WriteIO(RegTimerControl,0x02);
WriteIO(RegIRqPinConfig,0x03);
M500PcdRfReset(1);
}
return status;
}
///////////////////////////////////////////////////////////////////////
// Select Command defined in ISO14443(MIFARE)
///////////////////////////////////////////////////////////////////////
char M500PcdMfOutSelect(unsigned char type)
{
WriteIO(RegMfOutSelect,type&0x7);
return MI_OK;
}
///////////////////////////////////////////////////////////////////////
// Request Command defined in ISO14443(MIFARE)
// Request,Anticoll,Select,return CardType(2 bytes)+CardSerialNo(4 bytes)
// 尋卡，防沖突，選擇卡 返回卡類型（2 bytes）+ 卡系列號(4 bytes)
///////////////////////////////////////////////////////////////////////
char M500PiccCommonRequest(unsigned char req_code,unsigned char *atq)
{
char idata status = MI_OK;
M500PcdSetTmo(3);
WriteIO(RegChannelRedundancy,0x03);
ClearBitMask(RegControl,0x08);
WriteIO(RegBitFraming,0x07);
SetBitMask(RegTxControl,0x03);
ResetInfo(MInfo);
SerBuffer[0] = req_code;
MInfo.nBytesToSend = 1;
status = M500PcdCmd(PCD_TRANSCEIVE,SerBuffer,&MInfo);
if (status)
{
*atq = 0;
}
else
{
if (MInfo.nBitsReceived != 16)
{
*atq = 0;
status = MI_BITCOUNTERR;
}
else
{
status = MI_OK;
memcpy(atq,SerBuffer,2);
}
}
return status;
}
///////////////////////////////////////////////////////////////////
// Cascaded Anti-Collision Command defined in ISO14443(MIFARE)
// 防沖突 讀卡的系列號 MLastSelectedSnr
///////////////////////////////////////////////////////////////////
char M500PiccCascAnticoll (unsigned char bcnt,unsigned char *snr)
{
char idata status = MI_OK;
char idata snr_in[5];//snr_in[4];
char idata nbytes = 0;
char idata nbits = 0;
char idata complete = 0;
char idata i = 0;
char idata byteOffset = 0;
unsigned char dummyShift1;
unsigned char dummyShift2;
M500PcdSetTmo(106);
memcpy(snr_in,snr,5);//memcpy(snr_in,snr,4);
WriteIO(RegDecoderControl,0x28);
ClearBitMask(RegControl,0x08);
complete = 0;
while (!complete && (status == MI_OK) )
{
ResetInfo(MInfo);
WriteIO(RegChannelRedundancy,0x03);
nbits = bcnt % 8;
if(nbits)
{
WriteIO(RegBitFraming,nbits << 4| nbits);
nbytes = bcnt / 8 + 1;
if (nbits == 7)
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