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gresan-gits/Built_in.h

Created February 3, 2020 09:21
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CCS C RC522 RFID
Raw
Built_in.h
//#use spi(FORCE_HW,master,baud = 10000000, BITS=8,MSB_FIRST, stream = RFID, ENABLE_ACTIVE=0)// uses hardware SPI and gives this stream the name SPI_STREAM
//MF522 Command word
#define PCD_IDLE 0x00 //NO action; Cancel the current command
#define PCD_AUTHENT 0x0E //Authentication Key
#define PCD_RECEIVE 0x08 //Receive Data
#define PCD_TRANSMIT 0x04 //Transmit data
#define PCD_TRANSCEIVE 0x0C //Transmit and receive data,
#define PCD_RESETPHASE 0x0F //Reset
#define PCD_CALCCRC 0x03 //CRC Calculate
// Mifare_One card command word
#define PICC_REQIDL 0x26 // find the antenna area does not enter hibernation
#define PICC_REQALL 0x52 // find all the cards antenna area
#define PICC_ANTICOLL 0x93 // anti-collision
#define PICC_SElECTTAG 0x93 // election card
#define PICC_AUTHENT1A 0x60 // authentication key A
#define PICC_AUTHENT1B 0x61 // authentication key B
#define PICC_READ 0x30 // Read Block
#define PICC_WRITE 0xA0 // write block
#define PICC_DECREMENT 0xC0 // debit
#define PICC_INCREMENT 0xC1 // recharge
#define PICC_RESTORE 0xC2 // transfer block data to the buffer
#define PICC_TRANSFER 0xB0 // save the data in the buffer
#define PICC_HALT 0x50 // Sleep
//And MF522 The error code is returned when communication
#define MI_OK 0
#define MI_NOTAGERR 1
#define MI_ERR 2
//------------------MFRC522 Register---------------
//Page 0:Command and Status
#define RESERVED00 0x00
#define COMMANDREG 0x01
#define COMMIENREG 0x02
#define DIVLENREG 0x03
#define COMMIRQREG 0x04
#define DIVIRQREG 0x05
#define ERRORREG 0x06
#define STATUS1REG 0x07
#define STATUS2REG 0x08
#define FIFODATAREG 0x09
#define FIFOLEVELREG 0x0A
#define WATERLEVELREG 0x0B
#define CONTROLREG 0x0C
#define BITFRAMINGREG 0x0D
#define COLLREG 0x0E
#define RESERVED01 0x0F
//PAGE 1:Command
#define RESERVED10 0x10
#define MODEREG 0x11
#define TXMODEREG 0x12
#define RXMODEREG 0x13
#define TXCONTROLREG 0x14
#define TXAUTOREG 0x15
#define TXSELREG 0x16
#define RXSELREG 0x17
#define RXTHRESHOLDREG 0x18
#define DEMODREG 0x19
#define RESERVED11 0x1A
#define RESERVED12 0x1B
#define MIFAREREG 0x1C
#define RESERVED13 0x1D
#define RESERVED14 0x1E
#define SERIALSPEEDREG 0x1F
//PAGE 2:CFG
#define RESERVED20 0x20
#define CRCRESULTREGM 0x21
#define CRCRESULTREGL 0x22
#define RESERVED21 0x23
#define MODWIDTHREG 0x24
#define RESERVED22 0x25
#define RFCFGREG 0x26
#define GSNREG 0x27
#define CWGSPREG 0x28
#define MODGSPREG 0x29
#define TMODEREG 0x2A
#define TPRESCALERREG 0x2B
#define TRELOADREGH 0x2C
#define TRELOADREGL 0x2D
#define TCOUNTERVALUEREGH 0x2E
#define TCOUNTERVALUEREGL 0x2F
//PAGE 3:TEST REGISTER
#define RESERVED30 0x30
#define TESTSEL1REG 0x31
#define TESTSEL2REG 0x32
#define TESTPINENREG 0x33
#define TESTPINVALUEREG 0x34
#define TESTBUSREG 0x35
#define AUTOTESTREG 0x36
#define VERSIONREG 0x37
#define ANALOGTESTREG 0x38
#define TESTDAC1REG 0x39
#define TESTDAC2REG 0x3A
#define TESTADCREG 0x3B
#define RESERVED31 0x3C
#define RESERVED32 0x3D
#define RESERVED33 0x3E
#define RESERVED34 0x3F
static void MFRC522_Wr_Old( char addr, char value )
{
output_bit(MFRC522_CS,0);
spi_write( ( addr << 1 ) & 0x7E );
spi_write( value );
output_bit(MFRC522_CS,1);
}
static char MFRC522_Rd_Old( char addr )
{
char value;
output_bit(MFRC522_CS,0);
spi_write( (( addr << 1 ) & 0x7E)|0x80 );
value = spi_read( 0x00 );
output_bit(MFRC522_CS,1);
return value;
}
unsigned int8 MFRC522_Rd(unsigned int8 Address)
{
unsigned int i, ucAddr;
unsigned int ucResult = 0;
output_bit (MFRC522_SCK, 0);
output_bit (MFRC522_CS, 0);
ucAddr = ( (Address<<1)&0x7E)|0x80;
//Write spi
FOR (i = 8; i > 0; i--)
{
output_bit (MFRC522_SI, ((ucAddr&0x80) == 0x80));
output_bit (MFRC522_SCK, 1);
ucAddr <<= 1;
output_bit (MFRC522_SCK, 0);
}
//SPI read
FOR (i = 8; i > 0; i--)
{
output_bit (MFRC522_SCK, 1);
ucResult <<= 1;
ucResult|= (INT1) input (MFRC522_SO);
output_bit (MFRC522_SCK, 0);
}
output_bit (MFRC522_CS, 1);
output_bit (MFRC522_SCK, 1);
RETURN ucResult;
}
void MFRC522_Wr(unsigned int8 Address, unsigned int8 value)
{
unsigned int8 i, ucAddr;
output_bit (MFRC522_SCK, 0);
output_bit (MFRC522_CS, 0);
ucAddr = ( (Address<<1)&0x7E);
FOR (i = 8; i > 0; i--)
{
output_bit (MFRC522_SI, ( (ucAddr&0x80) == 0x80));
output_bit (MFRC522_SCK, 1);
ucAddr <<= 1;
output_bit (MFRC522_SCK, 0);
}
FOR (i = 8; i > 0; i--)
{
output_bit (MFRC522_SI, ( (value&0x80) == 0x80));
output_bit (MFRC522_SCK, 1);
value <<= 1;
output_bit (MFRC522_SCK, 0);
}
output_bit (MFRC522_CS, 1);
output_bit (MFRC522_SCK, 1);
}
static void MFRC522_Clear_Bit( char addr, char mask )
{ unsigned int8 tmp =0x0;
tmp=MFRC522_Rd( addr ) ;
MFRC522_Wr( addr, tmp&~mask ); // tmp&(~mask)
}
static void MFRC522_Set_Bit( char addr, char mask )
{ unsigned int8 tmp =0x0;
tmp=MFRC522_Rd( addr ) ;
MFRC522_Wr( addr, tmp|mask );
}
void MFRC522_Reset()
{
output_bit (MFRC522_RST, 1) ;
delay_us (1);
output_bit (MFRC522_RST, 0) ;
delay_us (1);
output_bit (MFRC522_RST, 1) ;
delay_us (1);
MFRC522_Wr( COMMANDREG, PCD_RESETPHASE );
delay_us (1);
}
void MFRC522_AntennaOn()
{
unsigned int8 stt;
stt= MFRC522_Rd( TXCONTROLREG ) ;
MFRC522_Set_Bit( TXCONTROLREG, 0x03 );
//!if(! (stt&0x03)){
//! MFRC522_Set_Bit( TXCONTROLREG, 0x03 );
//!}
}
void MFRC522_AntennaOff()
{
MFRC522_Clear_Bit( TXCONTROLREG, 0x03 );
}
void MFRC522_Init()
{
output_bit(MFRC522_CS , 1);
output_bit( MFRC522_RST , 1);
MFRC522_Reset();
MFRC522_Wr( TMODEREG, 0x8D ); //Tauto=1; f(Timer) = 6.78MHz/TPreScaler
MFRC522_Wr( TPRESCALERREG, 0x3E ); //TModeReg[3..0] + TPrescalerReg
MFRC522_Wr( TRELOADREGL, 30 );
MFRC522_Wr( TRELOADREGH, 0 );
MFRC522_Wr( TXAUTOREG, 0x40 ); //100%ASK
MFRC522_Wr( MODEREG, 0x3D ); // CRC valor inicial de 0x6363
//MFRC522_Clear_Bit( STATUS2REG, 0x08 );//MFCrypto1On=0
//MFRC522_Wr( RXSELREG, 0x86 ); //RxWait = RxSelReg[5..0]
//MFRC522_Wr( RFCFGREG, 0x7F ); //RxGain = 48dB
MFRC522_AntennaOff() ;
MFRC522_AntennaOn();
}
char MFRC522_ToCard( char command, char *sendData, char sendLen, char *backData, unsigned *backLen )
{
char _status = MI_ERR;
char irqEn = 0x00;
char waitIRq = 0x00;
char lastBits;
char n;
unsigned i;
switch (command)
{
case PCD_AUTHENT: //Certification cards close
{
irqEn = 0x12;
waitIRq = 0x10;
break;
}
case PCD_TRANSCEIVE: //Transmit FIFO data
{
irqEn = 0x77;
waitIRq = 0x30;
break;
}
default:
break;
}
MFRC522_Wr( COMMIENREG, irqEn | 0x80 ); //Interrupt request
MFRC522_Clear_Bit( COMMIRQREG, 0x80 ); //Clear all interrupt request bit
MFRC522_Set_Bit( FIFOLEVELREG, 0x80 ); //FlushBuffer=1, FIFO Initialization
MFRC522_Wr( COMMANDREG, PCD_IDLE ); //NO action; Cancel the current command???
//Writing data to the FIFO
for ( i=0; i < sendLen; i++ )
{
MFRC522_Wr( FIFODATAREG, sendData[i] );
}
//Execute the command
MFRC522_Wr( COMMANDREG, command );
if (command == PCD_TRANSCEIVE )
{
MFRC522_Set_Bit( BITFRAMINGREG, 0x80 ); //StartSend=1,transmission of data starts
}
//Waiting to receive data to complete
//i according to the clock frequency adjustment, the operator M1 card maximum waiting time 25ms???
i = 0xFFFF;
do
{
//CommIrqReg[7..0]
//Set1 TxIRq RxIRq IdleIRq HiAlerIRq LoAlertIRq ErrIRq TimerIRq
n = MFRC522_Rd( COMMIRQREG );
i--;
}
while ( i && !(n & 0x01) && !( n & waitIRq ) );
MFRC522_Clear_Bit( BITFRAMINGREG, 0x80 ); //StartSend=0
if (i != 0)
{
if( !( MFRC522_Rd( ERRORREG ) & 0x1B ) ) //BufferOvfl Collerr CRCErr ProtecolErr
{
_status = MI_OK;
if ( n & irqEn & 0x01 )
{
_status = MI_NOTAGERR; //??
}
if ( command == PCD_TRANSCEIVE )
{
n = MFRC522_Rd( FIFOLEVELREG );
lastBits = MFRC522_Rd( CONTROLREG ) & 0x07;
if (lastBits)
{
*backLen = (n-1) * 8 + lastBits;
}
else
{
*backLen = n * 8;
}
if (n == 0)
{
n = 1;
}
if (n > 16)
{
n = 16;
}
//Reading the received data in FIFO
for (i=0; i < n; i++)
{
backData[i] = MFRC522_Rd( FIFODATAREG );
}
backData[i] = 0;
}
}
else
{
_status = MI_ERR;
}
}
//MFRC522_Set_Bit( CONTROLREG, 0x80 );
//MFRC522_Wr( COMMANDREG, PCD_IDLE );
return _status;
}
char MFRC522_Request( char reqMode, char *TagType )
{
char _status;
unsigned backBits; //The received data bits
MFRC522_Wr( BITFRAMINGREG, 0x07 ); //TxLastBists = BitFramingReg[2..0] ???
TagType[0] = reqMode;
_status = MFRC522_ToCard( PCD_TRANSCEIVE, TagType, 1, TagType, &backBits );
if ( (_status != MI_OK) || (backBits != 0x10) )
{
_status = MI_ERR;
}
return _status;
}
void MFRC522_CRC( char *dataIn, char length, char *dataOut )
{
char i, n;
MFRC522_Clear_Bit( DIVIRQREG, 0x04 );
MFRC522_Set_Bit( FIFOLEVELREG, 0x80 );
//Escreve dados no FIFO
for ( i = 0; i < length; i++ )
{
MFRC522_Wr( FIFODATAREG, *dataIn++ );
}
MFRC522_Wr( COMMANDREG, PCD_CALCCRC );
i = 0xFF;
//Espera a finalização do Calculo do CRC
do
{
n = MFRC522_Rd( DIVIRQREG );
i--;
}
while( i && !(n & 0x04) ); //CRCIrq = 1
dataOut[0] = MFRC522_Rd( CRCRESULTREGL );
dataOut[1] = MFRC522_Rd( CRCRESULTREGM );
}
char MFRC522_SelectTag( char *serNum )
{
char i;
char _status;
char size;
unsigned recvBits;
char buffer[9];
//MFRC522_Clear_Bit( STATUS2REG, 0x08 ); //MFCrypto1On=0
buffer[0] = PICC_SElECTTAG;
buffer[1] = 0x70;
for ( i=2; i < 7; i++ )
{
buffer[i] = *serNum++;
}
MFRC522_CRC( buffer, 7, &buffer[7] );
_status = MFRC522_ToCard( PCD_TRANSCEIVE, buffer, 9, buffer, &recvBits );
if ( (_status == MI_OK) && (recvBits == 0x18) )
{
size = buffer[0];
}
else
{
size = 0;
}
return size;
}
//hibernation
void MFRC522_Halt()
{
unsigned unLen;
char buff[4];
buff[0] = PICC_HALT;
buff[1] = 0;
MFRC522_CRC( buff, 2, &buff[2] );
MFRC522_Clear_Bit( STATUS2REG, 0x80 );
MFRC522_ToCard( PCD_TRANSCEIVE, buff, 4, buff, &unLen );
MFRC522_Clear_Bit( STATUS2REG, 0x08 );
}
char MFRC522_Auth( char authMode, char BlockAddr, char *Sectorkey, char *serNum )
{
char _status;
unsigned recvBits;
char i;
char buff[12];
//Verify the command block address + sector + password + card serial number
buff[0] = authMode;
buff[1] = BlockAddr;
for ( i = 2; i < 8; i++ )
{
buff[i] = Sectorkey[i-2];
}
for ( i = 8; i < 12; i++ )
{
buff[i] = serNum[i-8];
}
_status = MFRC522_ToCard( PCD_AUTHENT, buff, 12, buff, &recvBits );
if ( ( _status != MI_OK ) || !( MFRC522_Rd( STATUS2REG ) & 0x08 ) )
{
_status = MI_ERR;
}
return _status;
}
char MFRC522_Write( char blockAddr, char *writeData )
{
char _status;
unsigned recvBits;
char i;
char buff[18];
buff[0] = PICC_WRITE;
buff[1] = blockAddr;
MFRC522_CRC( buff, 2, &buff[2] );
_status = MFRC522_ToCard( PCD_TRANSCEIVE, buff, 4, buff, &recvBits );
if ( (_status != MI_OK) || (recvBits != 4) || ( (buff[0] & 0x0F) != 0x0A) )
{
_status = MI_ERR;
}
if (_status == MI_OK)
{
for ( i = 0; i < 16; i++ ) //Data to the FIFO write 16Byte
{
buff[i] = writeData[i];
}
MFRC522_CRC( buff, 16, &buff[16] );
_status = MFRC522_ToCard( PCD_TRANSCEIVE, buff, 18, buff, &recvBits );
if ( (_status != MI_OK) || (recvBits != 4) || ( (buff[0] & 0x0F) != 0x0A ) )
{
_status = MI_ERR;
}
}
return _status;
}
char MFRC522_Read( char blockAddr, char *recvData )
{
char _status;
unsigned unLen;
recvData[0] = PICC_READ;
recvData[1] = blockAddr;
MFRC522_CRC( recvData, 2, &recvData[2] );
_status = MFRC522_ToCard( PCD_TRANSCEIVE, recvData, 4, recvData, &unLen );
if ( (_status != MI_OK) || (unLen != 0x90) )
{
_status = MI_ERR;
}
return _status;
}
char MFRC522_AntiColl( char *serNum )
{
char _status;
char i;
char serNumCheck = 0;
unsigned unLen;
MFRC522_Wr( BITFRAMINGREG, 0x00 ); //TxLastBists = BitFramingReg[2..0]
serNum[0] = PICC_ANTICOLL;
serNum[1] = 0x20;
MFRC522_Clear_Bit( STATUS2REG, 0x08 );
_status = MFRC522_ToCard( PCD_TRANSCEIVE, serNum, 2, serNum, &unLen );
if (_status == MI_OK)
{
for ( i=0; i < 4; i++ )
{
serNumCheck ^= serNum[i];
}
if ( serNumCheck != serNum[4] )
{
_status = MI_ERR;
}
}
return _status;
}
//0x0044 = Mifare_UltraLight
//0x0004 = Mifare_One (S50)
//0x0002 = Mifare_One (S70)
//0x0008 = Mifare_Pro (X)
//0x0344 = Mifare_DESFire
char MFRC522_isCard( char *TagType )
{
if (MFRC522_Request( PICC_REQIDL, TagType ) == MI_OK)
return 1;
else
return 0;
}
char MFRC522_ReadCardSerial( char *str )
{
char _status;
_status = MFRC522_AntiColl( str );
str[5] = 0;
if (_status == MI_OK)
return 1;
else
return 0;
}
Raw
main.c
#include <16F877A.h>
#device ADC=10
#FUSES NOWDT //No Watch Dog Timer
#FUSES NOBROWNOUT //No brownout reset
#FUSES NOLVP //No low voltage prgming, B3(PIC16) or B5(PIC18) used FOR I/O
#use delay(crystal=12MHz)
#define DELAY 10
#define LCD_ENABLE_PIN PIN_D2
#define LCD_RS_PIN PIN_D0
#define LCD_RW_PIN PIN_D1
#define LCD_DATA4 PIN_D4
#define LCD_DATA5 PIN_D5
#define LCD_DATA6 PIN_D6
#define LCD_DATA7 PIN_D7
#include <lcd.c>
#define LED_R PIN_A0
#define LED_B PIN_A1
#define LED_G PIN_A2
/*
SPI SS RFID-RC522(SDA) - SlaveSelect (SS)
SPI SDI RFID-RC522(MOSI)
SPI SDO RFID-RC522(MISO)
SPI SCK RFID-RC522(SCK)
*/
#define MFRC522_CS PIN_E2
#define MFRC522_SCK PIN_C3
#define MFRC522_SI PIN_C4
#define MFRC522_SO PIN_C5
#define MFRC522_RST PIN_E0
#include<Built_in.h>
char key[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
char writeData[] = "Mualinhkien.vn";
char RedData[6] ={0x81,0xee,0x5b,0x74,0x40};
char BlueData[6] ={0xdb,0xaa,0x5c,0x74,0x59};
char GreenData[6]={0xab,0xe5,0x5b,0x74,0x61};
int1 red=false,blue=false,green=false;
int1 get_red(char Data[],char UID[] )
{
FOR (int i = 0; i < 5; i++)
{
if(UID[i]== Data[i] )
{
red=true;
}
else
{
red=false;
break;
}
}
return red;
}
int1 get_blue(char Data[],char UID[] )
{
FOR (int i = 0; i < 5; i++)
{
if(UID[i]== Data[i] )
{
blue=true;
}
else
{
blue=false;
break;
}
}
return blue;
}
int1 get_green(char Data[],char UID[])
{
FOR (int i = 0; i < 5; i++)
{
if(UID[i]== Data[i] )
{
green=true;
}
else
{
green=false;
break;
}
}
return green;
}
void main()
{
CHAR UID[6];
UNSIGNED int TagType;
CHAR size;
CHAR i;
lcd_init ();
printf (LCD_PUTC, "\f MuaLinhKien.Vn\nPIC 16/18 Basic Kit");
delay_ms (1000) ;
// enable_interrupts (INT_EXT);
// enable_interrupts (INT_EXT_H2L);
//enable_interrupts (GLOBAL);
printf (LCD_PUTC, "\fInitializing");
MFRC522_Init ();
printf (LCD_PUTC, "\nDone!");
WHILE (1)
{
IF (MFRC522_isCard (&TagType)) //Check any card
{
printf (LCD_PUTC, "\fTAG TYPE:");
printf (LCD_PUTC, "%X",TagType);
//Read ID
IF (MFRC522_ReadCardSerial (&UID))
{
printf (LCD_PUTC, "\nUID: ");
FOR (i = 0; i < 5; i++)
{
printf (LCD_PUTC, "%X",UID[i]);
}
size = MFRC522_SelectTag (&UID);
if(get_red(RedData,UID))
{
output_low(LED_R);
}
else
{
output_high(LED_R);
}
//
if(get_blue(BlueData,UID))
{
output_low(LED_B);
}
else
{
output_high(LED_B);
}
//
if(get_red(GreenData,UID))
{
output_low(LED_G);
}
else
{
output_high(LED_G);
}
}
IF (MFRC522_Auth (PICC_AUTHENT1A, 7, &key, &UID) == 0) //authentication key A
{
//Write data to block 1
lcd_gotoxy(13,1);
MFRC522_Write (1,&writeData);
printf (LCD_PUTC, "W-A!");
}
else IF (MFRC522_Auth (PICC_AUTHENT1B, 7, &key, &UID) == 0) //authentication key B
{
//Write data to block 1
lcd_gotoxy(13,1);
MFRC522_Write (1,&writeData);
printf (LCD_PUTC, "W-B!");
}
ELSE
{
lcd_gotoxy(13,1);
printf (LCD_PUTC, "W-Err!");
CONTINUE;
}
IF (MFRC522_Read (4,&writeData) == 0)
{
printf (LCD_PUTC, "\n%c", &writeData);
}
//Ngu dong
MFRC522_Halt () ;
}
}
}
@sonhaui98
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Hi, Guy
What is the function of this function
image

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