暫時隻貼代碼
main.c
#include "public.h"
int main(void)
{
delay_init(); //延時函數初始化
uart_init(115200); //序列槽初始化為115200
LED_Init(); //初始化與LED連接配接的硬體接口
OLED_Init();
OLED_ShowString(0,0,"Welcome To STM32",16);
RC522_Init(); //初始化射頻卡子產品
printf("init is ok!\r\n");
while(1)
{
RC522_Handel();
}
}
rc522.c
#include "sys.h"
#include "rc522.h"
#include "delay.h"
#include "usart.h"
#include "string.h"
#include "oled.h"
// M1卡分為16個扇區,每個扇區由四個塊(塊0、塊1、塊2、塊3)組成
// 将16個扇區的64個塊按絕對位址編号為:0~63
// 第0個扇區的塊0(即絕對位址0塊),用于存放廠商代碼,已經固化不可更改
// 每個扇區的塊0、塊1、塊2為資料塊,可用于存放資料
// 每個扇區的塊3為控制塊(絕對位址為:塊3、塊7、塊11.....)包括密碼A,存取控制、密碼B等
/*******************************
*連線說明:
*1--SDA <----->PA4
*2--SCK <----->PA5
*3--MOSI <----->PA7
*4--MISO <----->PA6
*5--懸空
*6--GND <----->GND
*7--RST <----->PB0
*8--VCC <----->VCC
************************************/
//用于密碼驗證,密碼錯誤将讀卡失敗(在塊1中存儲,卡預設密碼,勿修改)
unsigned char DefaultKey[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
/*全局變量*/
unsigned char CT[2];//卡類型
unsigned char SN[4]; //卡号
unsigned char RFID[16]; //存放RFID
unsigned char total=0;
unsigned char card_1[4]={83,106,11,1};
unsigned char card_2[4]={208,121,31,57};
unsigned char card_3[4]={176,177,143,165};
unsigned char card_4[4]={5,158,10,136};
u8 KEY[6]={0xff,0xff,0xff,0xff,0xff,0xff};
u8 AUDIO_OPEN[6] = {0xAA, 0x07, 0x02, 0x00, 0x09, 0xBC};
unsigned char RFID1[16]={0x00,0x00,0x00,0x00,0x00,0x00,0xff,0x07,0x80,0x29,0xff,0xff,0xff,0xff,0xff,0xff};
/*函數聲明*/
unsigned char status;
unsigned char s=0x08;
#define RC522_DELAY() delay_us( 20 )
void RC522_Handel(void)
{
char cStr [ 30 ], tStr[30];
unsigned char ucArray_ID [16],mi[16]; /*先後存放IC卡的類型和UID(IC卡序列号)*/
uint8_t ucStatusReturn; /*傳回狀态 */
if ( ( ucStatusReturn = PcdRequest ( PICC_REQALL, ucArray_ID ) ) != MI_OK ) /*尋卡*/
ucStatusReturn = PcdRequest ( PICC_REQALL, ucArray_ID );/*若失敗再次尋卡*/
if ( ucStatusReturn == MI_OK )
{ /*防沖撞(當有多張卡進入讀寫器操作範圍時,防沖突機制會從其中選擇一張進行操作)*/
if ( PcdAnticoll ( ucArray_ID ) == MI_OK )
{
sprintf ( cStr, "IDcard is:%02X%02X%02X%02X",ucArray_ID[0],ucArray_ID[1],ucArray_ID[2],ucArray_ID[3]);
printf ( "%s\r\n",cStr);
}
}
}
void RC522_Init ( void )
{
SPI1_Init();
RC522_Reset_Disable();
RC522_CS_Disable();
PcdReset ();
M500PcdConfigISOType ( 'A' );//設定工作方式
}
void SPI1_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd( RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOB, ENABLE );//PORTB時鐘使能
// CS
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽輸出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度為50MHz
GPIO_Init(GPIOA, &GPIO_InitStructure); //根據設定參數初始化PF0、PF1
// SCK
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽輸出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度為50MHz
GPIO_Init(GPIOA, &GPIO_InitStructure);
// MISO
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING; //推挽輸出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度為50MHz
GPIO_Init(GPIOA, &GPIO_InitStructure);
// MOSI
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽輸出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度為50MHz
GPIO_Init(GPIOA, &GPIO_InitStructure);
// RST
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_0;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //推挽輸出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz; //IO口速度為50MHz
GPIO_Init(GPIOB, &GPIO_InitStructure);
}
/*
* 函數名:SPI_RC522_SendByte
* 描述 :向RC522發送1 Byte 資料
* 輸入 :byte,要發送的資料
* 傳回 : RC522傳回的資料
* 調用 :内部調用
*/
void SPI_RC522_SendByte ( u8 byte )
{
u8 counter;
for(counter = 0; counter < 8; counter++)
{
if ( byte & 0x80 )
RC522_MOSI_1 ();
else
RC522_MOSI_0 ();
RC522_DELAY();
RC522_SCK_0 ();
RC522_DELAY();
RC522_SCK_1();
RC522_DELAY();
byte <<= 1;
}
}
/*
* 函數名:SPI_RC522_ReadByte
* 描述 :從RC522發送1 Byte 資料
* 輸入 :無
* 傳回 : RC522傳回的資料
* 調用 :内部調用
*/
u8 SPI_RC522_ReadByte ( void )
{
u8 counter;
u8 SPI_Data;
for(counter=0;counter<8;counter++)
{
SPI_Data <<= 1;
RC522_SCK_0 ();
RC522_DELAY();
if ( RC522_MISO_GET() == 1)
SPI_Data |= 0x01;
RC522_DELAY();
RC522_SCK_1 ();
RC522_DELAY();
}
return SPI_Data;
}
/*
* 函數名:ReadRawRC
* 描述 :讀RC522寄存器
* 輸入 :ucAddress,寄存器位址
* 傳回 : 寄存器的目前值
* 調用 :内部調用
*/
u8 ReadRawRC ( u8 ucAddress )
{
u8 ucAddr, ucReturn;
ucAddr = ( ( ucAddress << 1 ) & 0x7E ) | 0x80;
RC522_CS_Enable();
SPI_RC522_SendByte ( ucAddr );
ucReturn = SPI_RC522_ReadByte ();
RC522_CS_Disable();
return ucReturn;
}
/*
* 函數名:WriteRawRC
* 描述 :寫RC522寄存器
* 輸入 :ucAddress,寄存器位址
* ucValue,寫入寄存器的值
* 傳回 : 無
* 調用 :内部調用
*/
void WriteRawRC ( u8 ucAddress, u8 ucValue )
{
u8 ucAddr;
ucAddr = ( ucAddress << 1 ) & 0x7E;
RC522_CS_Enable();
SPI_RC522_SendByte ( ucAddr );
SPI_RC522_SendByte ( ucValue );
RC522_CS_Disable();
}
/*
* 函數名:SetBitMask
* 描述 :對RC522寄存器置位
* 輸入 :ucReg,寄存器位址
* ucMask,置位值
* 傳回 : 無
* 調用 :内部調用
*/
void SetBitMask ( u8 ucReg, u8 ucMask )
{
u8 ucTemp;
ucTemp = ReadRawRC ( ucReg );
WriteRawRC ( ucReg, ucTemp | ucMask ); // set bit mask
}
/*
* 函數名:ClearBitMask
* 描述 :對RC522寄存器清位
* 輸入 :ucReg,寄存器位址
* ucMask,清位值
* 傳回 : 無
* 調用 :内部調用
*/
void ClearBitMask ( u8 ucReg, u8 ucMask )
{
u8 ucTemp;
ucTemp = ReadRawRC ( ucReg );
WriteRawRC ( ucReg, ucTemp & ( ~ ucMask) ); // clear bit mask
}
/*
* 函數名:PcdAntennaOn
* 描述 :開啟天線
* 輸入 :無
* 傳回 : 無
* 調用 :内部調用
*/
void PcdAntennaOn ( void )
{
u8 uc;
uc = ReadRawRC ( TxControlReg );
if ( ! ( uc & 0x03 ) )
SetBitMask(TxControlReg, 0x03);
}
/*
* 函數名:PcdAntennaOff
* 描述 :開啟天線
* 輸入 :無
* 傳回 : 無
* 調用 :内部調用
*/
void PcdAntennaOff ( void )
{
ClearBitMask ( TxControlReg, 0x03 );
}
/*
* 函數名:PcdRese
* 描述 :複位RC522
* 輸入 :無
* 傳回 : 無
* 調用 :外部調用
*/
void PcdReset ( void )
{
RC522_Reset_Disable();
delay_us ( 1 );
RC522_Reset_Enable();
delay_us ( 1 );
RC522_Reset_Disable();
delay_us ( 1 );
WriteRawRC ( CommandReg, 0x0f );
while ( ReadRawRC ( CommandReg ) & 0x10 );
delay_us ( 1 );
WriteRawRC ( ModeReg, 0x3D ); //定義發送和接收常用模式 和Mifare卡通訊,CRC初始值0x6363
WriteRawRC ( TReloadRegL, 30 ); //16位定時器低位
WriteRawRC ( TReloadRegH, 0 ); //16位定時器高位
WriteRawRC ( TModeReg, 0x8D ); //定義内部定時器的設定
WriteRawRC ( TPrescalerReg, 0x3E ); //設定定時器分頻系數
WriteRawRC ( TxAutoReg, 0x40 ); //調制發送信号為100%ASK
}
/*
* 函數名:M500PcdConfigISOType
* 描述 :設定RC522的工作方式
* 輸入 :ucType,工作方式
* 傳回 : 無
* 調用 :外部調用
*/
void M500PcdConfigISOType ( u8 ucType )
{
if ( ucType == 'A') //ISO14443_A
{
ClearBitMask ( Status2Reg, 0x08 );
WriteRawRC ( ModeReg, 0x3D );//3F
WriteRawRC ( RxSelReg, 0x86 );//84
WriteRawRC( RFCfgReg, 0x7F ); //4F
WriteRawRC( TReloadRegL, 30 );//tmoLength);// TReloadVal = 'h6a =tmoLength(dec)
WriteRawRC ( TReloadRegH, 0 );
WriteRawRC ( TModeReg, 0x8D );
WriteRawRC ( TPrescalerReg, 0x3E );
delay_us ( 2 );
PcdAntennaOn ();//開天線
}
}
/*
* 函數名:PcdComMF522
* 描述 :通過RC522和ISO14443卡通訊
* 輸入 :ucCommand,RC522指令字
* pInData,通過RC522發送到卡片的資料
* ucInLenByte,發送資料的位元組長度
* pOutData,接收到的卡片傳回資料
* pOutLenBit,傳回資料的位長度
* 傳回 : 狀态值
* = MI_OK,成功
* 調用 :内部調用
*/
char PcdComMF522 ( u8 ucCommand, u8 * pInData, u8 ucInLenByte, u8 * pOutData, u32 * pOutLenBit )
{
char cStatus = MI_ERR;
u8 ucIrqEn = 0x00;
u8 ucWaitFor = 0x00;
u8 ucLastBits;
u8 ucN;
u32 ul;
switch ( ucCommand )
{
case PCD_AUTHENT: //Mifare認證
ucIrqEn = 0x12; //允許錯誤中斷請求ErrIEn 允許空閑中斷IdleIEn
ucWaitFor = 0x10; //認證尋卡等待時候 查詢空閑中斷标志位
break;
case PCD_TRANSCEIVE: //接收發送 發送接收
ucIrqEn = 0x77; //允許TxIEn RxIEn IdleIEn LoAlertIEn ErrIEn TimerIEn
ucWaitFor = 0x30; //尋卡等待時候 查詢接收中斷标志位與 空閑中斷标志位
break;
default:
break;
}
WriteRawRC ( ComIEnReg, ucIrqEn | 0x80 ); //IRqInv置位管腳IRQ與Status1Reg的IRq位的值相反
ClearBitMask ( ComIrqReg, 0x80 ); //Set1該位清零時,CommIRqReg的屏蔽位清零
WriteRawRC ( CommandReg, PCD_IDLE ); //寫空閑指令
SetBitMask ( FIFOLevelReg, 0x80 ); //置位FlushBuffer清除内部FIFO的讀和寫指針以及ErrReg的BufferOvfl标志位被清除
for ( ul = 0; ul < ucInLenByte; ul ++ )
WriteRawRC ( FIFODataReg, pInData [ ul ] ); //寫資料進FIFOdata
WriteRawRC ( CommandReg, ucCommand ); //寫指令
if ( ucCommand == PCD_TRANSCEIVE )
SetBitMask(BitFramingReg,0x80); //StartSend置位啟動資料發送 該位與收發指令使用時才有效
ul = 1000;//根據時鐘頻率調整,操作M1卡最大等待時間25ms
do //認證 與尋卡等待時間
{
ucN = ReadRawRC ( ComIrqReg ); //查詢事件中斷
ul --;
} while ( ( ul != 0 ) && ( ! ( ucN & 0x01 ) ) && ( ! ( ucN & ucWaitFor ) ) ); //退出條件i=0,定時器中斷,與寫空閑指令
ClearBitMask ( BitFramingReg, 0x80 ); //清理允許StartSend位
if ( ul != 0 )
{
if ( ! (( ReadRawRC ( ErrorReg ) & 0x1B )) ) //讀錯誤标志寄存器BufferOfI CollErr ParityErr ProtocolErr
{
cStatus = MI_OK;
if ( ucN & ucIrqEn & 0x01 ) //是否發生定時器中斷
cStatus = MI_NOTAGERR;
if ( ucCommand == PCD_TRANSCEIVE )
{
ucN = ReadRawRC ( FIFOLevelReg ); //讀FIFO中儲存的位元組數
ucLastBits = ReadRawRC ( ControlReg ) & 0x07; //最後接收到得位元組的有效位數
if ( ucLastBits )
* pOutLenBit = ( ucN - 1 ) * 8 + ucLastBits; //N個位元組數減去1(最後一個位元組)+最後一位的位數 讀取到的資料總位數
else
* pOutLenBit = ucN * 8; //最後接收到的位元組整個位元組有效
if ( ucN == 0 )
ucN = 1;
if ( ucN > MAXRLEN )
ucN = MAXRLEN;
for ( ul = 0; ul < ucN; ul ++ )
pOutData [ ul ] = ReadRawRC ( FIFODataReg );
}
}
else
cStatus = MI_ERR;
// printf(ErrorReg);
}
SetBitMask ( ControlReg, 0x80 ); // stop timer now
WriteRawRC ( CommandReg, PCD_IDLE );
return cStatus;
}
/*
* 函數名:PcdRequest
* 描述 :尋卡
* 輸入 :ucReq_code,尋卡方式
* = 0x52,尋感應區内所有符合14443A标準的卡
* = 0x26,尋未進入休眠狀态的卡
* pTagType,卡片類型代碼
* = 0x4400,Mifare_UltraLight
* = 0x0400,Mifare_One(S50)
* = 0x0200,Mifare_One(S70)
* = 0x0800,Mifare_Pro(X))
* = 0x4403,Mifare_DESFire
* 傳回 : 狀态值
* = MI_OK,成功
* 調用 :外部調用
*/
char PcdRequest ( u8 ucReq_code, u8 * pTagType )
{
char cStatus;
u8 ucComMF522Buf [ MAXRLEN ];
u32 ulLen;
ClearBitMask ( Status2Reg, 0x08 ); //清理訓示MIFARECyptol單元接通以及所有卡的資料通信被加密的情況
WriteRawRC ( BitFramingReg, 0x07 ); // 發送的最後一個位元組的 七位
SetBitMask ( TxControlReg, 0x03 ); //TX1,TX2管腳的輸出信号傳遞經發送調制的13.56的能量載波信号
ucComMF522Buf [ 0 ] = ucReq_code; //存入 卡片指令字
cStatus = PcdComMF522 ( PCD_TRANSCEIVE, ucComMF522Buf, 1, ucComMF522Buf, & ulLen ); //尋卡
if ( ( cStatus == MI_OK ) && ( ulLen == 0x10 ) ) //尋卡成功傳回卡類型
{
* pTagType = ucComMF522Buf [ 0 ];
* ( pTagType + 1 ) = ucComMF522Buf [ 1 ];
}
else
cStatus = MI_ERR;
return cStatus;
}
/*
* 函數名:PcdAnticoll
* 描述 :防沖撞
* 輸入 :pSnr,卡片序列号,4位元組
* 傳回 : 狀态值
* = MI_OK,成功
* 調用 :外部調用
*/
char PcdAnticoll ( u8 * pSnr )
{
char cStatus;
u8 uc, ucSnr_check = 0;
u8 ucComMF522Buf [ MAXRLEN ];
u32 ulLen;
ClearBitMask ( Status2Reg, 0x08 ); //清MFCryptol On位 隻有成功執行MFAuthent指令後,該位才能置位
WriteRawRC ( BitFramingReg, 0x00); //清理寄存器 停止收發
ClearBitMask ( CollReg, 0x80 ); //清ValuesAfterColl所有接收的位在沖突後被清除
ucComMF522Buf [ 0 ] = 0x93; //卡片防沖突指令
ucComMF522Buf [ 1 ] = 0x20;
cStatus = PcdComMF522 ( PCD_TRANSCEIVE, ucComMF522Buf, 2, ucComMF522Buf, & ulLen);//與卡片通信
if ( cStatus == MI_OK) //通信成功
{
for ( uc = 0; uc < 4; uc ++ )
{
* ( pSnr + uc ) = ucComMF522Buf [ uc ]; //讀出UID
ucSnr_check ^= ucComMF522Buf [ uc ];
}
if ( ucSnr_check != ucComMF522Buf [ uc ] )
cStatus = MI_ERR;
}
SetBitMask ( CollReg, 0x80 );
return cStatus;
}
/*
* 函數名:CalulateCRC
* 描述 :用RC522計算CRC16
* 輸入 :pIndata,計算CRC16的數組
* ucLen,計算CRC16的數組位元組長度
* pOutData,存放計算結果存放的首位址
* 傳回 : 無
* 調用 :内部調用
*/
void CalulateCRC ( u8 * pIndata, u8 ucLen, u8 * pOutData )
{
u8 uc, ucN;
ClearBitMask(DivIrqReg,0x04);
WriteRawRC(CommandReg,PCD_IDLE);
SetBitMask(FIFOLevelReg,0x80);
for ( uc = 0; uc < ucLen; uc ++)
WriteRawRC ( FIFODataReg, * ( pIndata + uc ) );
WriteRawRC ( CommandReg, PCD_CALCCRC );
uc = 0xFF;
do
{
ucN = ReadRawRC ( DivIrqReg );
uc --;
} while ( ( uc != 0 ) && ! ( ucN & 0x04 ) );
pOutData [ 0 ] = ReadRawRC ( CRCResultRegL );
pOutData [ 1 ] = ReadRawRC ( CRCResultRegM );
}
/*
* 函數名:PcdSelect
* 描述 :標明卡片
* 輸入 :pSnr,卡片序列号,4位元組
* 傳回 : 狀态值
* = MI_OK,成功
* 調用 :外部調用
*/
char PcdSelect ( u8 * pSnr )
{
char ucN;
u8 uc;
u8 ucComMF522Buf [ MAXRLEN ];
u32 ulLen;
ucComMF522Buf [ 0 ] = PICC_ANTICOLL1;
ucComMF522Buf [ 1 ] = 0x70;
ucComMF522Buf [ 6 ] = 0;
for ( uc = 0; uc < 4; uc ++ )
{
ucComMF522Buf [ uc + 2 ] = * ( pSnr + uc );
ucComMF522Buf [ 6 ] ^= * ( pSnr + uc );
}
CalulateCRC ( ucComMF522Buf, 7, & ucComMF522Buf [ 7 ] );
ClearBitMask ( Status2Reg, 0x08 );
ucN = PcdComMF522 ( PCD_TRANSCEIVE, ucComMF522Buf, 9, ucComMF522Buf, & ulLen );
if ( ( ucN == MI_OK ) && ( ulLen == 0x18 ) )
ucN = MI_OK;
else
ucN = MI_ERR;
return ucN;
}
/*
* 函數名:PcdAuthState
* 描述 :驗證卡片密碼
* 輸入 :ucAuth_mode,密碼驗證模式
* = 0x60,驗證A密鑰
* = 0x61,驗證B密鑰
* u8 ucAddr,塊位址
* pKey,密碼
* pSnr,卡片序列号,4位元組
* 傳回 : 狀态值
* = MI_OK,成功
* 調用 :外部調用
*/
char PcdAuthState ( u8 ucAuth_mode, u8 ucAddr, u8 * pKey, u8 * pSnr )
{
char cStatus;
u8 uc, ucComMF522Buf [ MAXRLEN ];
u32 ulLen;
ucComMF522Buf [ 0 ] = ucAuth_mode;
ucComMF522Buf [ 1 ] = ucAddr;
for ( uc = 0; uc < 6; uc ++ )
ucComMF522Buf [ uc + 2 ] = * ( pKey + uc );
for ( uc = 0; uc < 6; uc ++ )
ucComMF522Buf [ uc + 8 ] = * ( pSnr + uc );
cStatus = PcdComMF522 ( PCD_AUTHENT, ucComMF522Buf, 12, ucComMF522Buf, & ulLen );
if ( ( cStatus != MI_OK ) || ( ! ( ReadRawRC ( Status2Reg ) & 0x08 ) ) )
{
// if(cStatus != MI_OK)
// printf("666") ;
// else
// printf("888");
cStatus = MI_ERR;
}
return cStatus;
}
/*
* 函數名:PcdWrite
* 描述 :寫資料到M1卡一塊
* 輸入 :u8 ucAddr,塊位址
* pData,寫入的資料,16位元組
* 傳回 : 狀态值
* = MI_OK,成功
* 調用 :外部調用
*/
char PcdWrite ( u8 ucAddr, u8 * pData )
{
char cStatus;
u8 uc, ucComMF522Buf [ MAXRLEN ];
u32 ulLen;
ucComMF522Buf [ 0 ] = PICC_WRITE;
ucComMF522Buf [ 1 ] = ucAddr;
CalulateCRC ( ucComMF522Buf, 2, & ucComMF522Buf [ 2 ] );
cStatus = PcdComMF522 ( PCD_TRANSCEIVE, ucComMF522Buf, 4, ucComMF522Buf, & ulLen );
if ( ( cStatus != MI_OK ) || ( ulLen != 4 ) || ( ( ucComMF522Buf [ 0 ] & 0x0F ) != 0x0A ) )
cStatus = MI_ERR;
if ( cStatus == MI_OK )
{
memcpy(ucComMF522Buf, pData, 16);
for ( uc = 0; uc < 16; uc ++ )
ucComMF522Buf [ uc ] = * ( pData + uc );
CalulateCRC ( ucComMF522Buf, 16, & ucComMF522Buf [ 16 ] );
cStatus = PcdComMF522 ( PCD_TRANSCEIVE, ucComMF522Buf, 18, ucComMF522Buf, & ulLen );
if (( cStatus != MI_OK ) || ( ulLen != 4 ) || (( ucComMF522Buf [0] & 0x0F ) != 0x0A ))
cStatus = MI_ERR;
}
return cStatus;
}
/*
* 函數名:PcdRead
* 描述 :讀取M1卡一塊資料
* 輸入 :u8 ucAddr,塊位址
* pData,讀出的資料,16位元組
* 傳回 : 狀态值
* = MI_OK,成功
* 調用 :外部調用
*/
char PcdRead ( u8 ucAddr, u8 * pData )
{
char cStatus;
u8 uc, ucComMF522Buf [ MAXRLEN ];
u32 ulLen;
ucComMF522Buf [ 0 ] = PICC_READ;
ucComMF522Buf [ 1 ] = ucAddr;
CalulateCRC ( ucComMF522Buf, 2, & ucComMF522Buf [ 2 ] );
cStatus = PcdComMF522 ( PCD_TRANSCEIVE, ucComMF522Buf, 4, ucComMF522Buf, & ulLen );
if ((cStatus == MI_OK) && (ulLen == 0x90))
{
for (uc = 0; uc < 16; uc ++)
*(pData + uc) = ucComMF522Buf[uc];
}
else
cStatus = MI_ERR;
return cStatus;
}
/*
* 函數名:PcdHalt
* 描述 :指令卡片進入休眠狀态
* 輸入 :無
* 傳回 : 狀态值
* = MI_OK,成功
* 調用 :外部調用
*/
char PcdHalt( void )
{
u8 ucComMF522Buf [ MAXRLEN ];
u32 ulLen;
ucComMF522Buf [ 0 ] = PICC_HALT;
ucComMF522Buf [ 1 ] = 0;
CalulateCRC ( ucComMF522Buf, 2, & ucComMF522Buf [ 2 ] );
PcdComMF522 ( PCD_TRANSCEIVE, ucComMF522Buf, 4, ucComMF522Buf, & ulLen );
return MI_OK;
}
void IC_CMT ( u8 * UID, u8 * KEY, u8 RW, u8 * Dat )
{
u8 ucArray_ID [ 4 ] = { 0 };//先後存放IC卡的類型和UID(IC卡序列号)
PcdRequest ( 0x52, ucArray_ID );//尋卡
PcdAnticoll ( ucArray_ID );//防沖撞
PcdSelect ( UID );//標明卡
PcdAuthState ( 0x60, 0x10, KEY, UID );//校驗
if ( RW )//讀寫選擇,1是讀,0是寫
PcdRead ( 0x10, Dat );
else
PcdWrite ( 0x10, Dat );
PcdHalt ();
}
rc522.h
#ifndef __RC522_H
#define __RC522_H
#include "sys.h"
#include "stm32f10x.h"
//MF522指令字
#define PCD_IDLE 0x00 //取消目前指令
#define PCD_AUTHENT 0x0E //驗證密鑰
#define PCD_RECEIVE 0x08 //接收資料
#define PCD_TRANSMIT 0x04 //發送資料
#define PCD_TRANSCEIVE 0x0C //發送并接收資料
#define PCD_RESETPHASE 0x0F //複位
#define PCD_CALCCRC 0x03 //CRC計算
//Mifare_One卡片指令字
#define PICC_REQIDL 0x26 //尋天線區内未進入休眠狀态
#define PICC_REQALL 0x52 //尋天線區内全部卡
#define PICC_ANTICOLL1 0x93 //防沖撞
#define PICC_ANTICOLL2 0x95 //防沖撞
#define PICC_AUTHENT1A 0x60 //驗證A密鑰
#define PICC_AUTHENT1B 0x61 //驗證B密鑰
#define PICC_READ 0x30 //讀塊
#define PICC_WRITE 0xA0 //寫塊
#define PICC_DECREMENT 0xC0 //扣款
#define PICC_INCREMENT 0xC1 //充值
#define PICC_RESTORE 0xC2 //調塊資料到緩沖區
#define PICC_TRANSFER 0xB0 //儲存緩沖區中資料
#define PICC_HALT 0x50 //休眠
//MF522 FIFO長度定義
#define DEF_FIFO_LENGTH 64 //FIFO size=64byte
#define MAXRLEN 18
//MF522寄存器定義
// PAGE 0
#define RFU00 0x00
#define CommandReg 0x01
#define ComIEnReg 0x02
#define DivlEnReg 0x03
#define ComIrqReg 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 RFU0F 0x0F
// PAGE 1
#define RFU10 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 RFU1A 0x1A
#define RFU1B 0x1B
#define MifareReg 0x1C
#define RFU1D 0x1D
#define RFU1E 0x1E
#define SerialSpeedReg 0x1F
// PAGE 2
#define RFU20 0x20
#define CRCResultRegM 0x21
#define CRCResultRegL 0x22
#define RFU23 0x23
#define ModWidthReg 0x24
#define RFU25 0x25
#define RFCfgReg 0x26
#define GsNReg 0x27
#define CWGsCfgReg 0x28
#define ModGsCfgReg 0x29
#define TModeReg 0x2A
#define TPrescalerReg 0x2B
#define TReloadRegH 0x2C
#define TReloadRegL 0x2D
#define TCounterValueRegH 0x2E
#define TCounterValueRegL 0x2F
// PAGE 3
#define RFU30 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 RFU3C 0x3C
#define RFU3D 0x3D
#define RFU3E 0x3E
#define RFU3F 0x3F
//和MF522通訊時傳回的錯誤代碼
#define MI_OK 0
#define MI_NOTAGERR (1)
#define MI_ERR (2)
#define SHAQU1 0X01
#define KUAI4 0X04
#define KUAI7 0X07
#define REGCARD 0xa1
#define CONSUME 0xa2
#define READCARD 0xa3
#define ADDMONEY 0xa4
//
//#define spi_cs 1;
//sbit spi_ck=P0^6;
//sbit spi_mosi=P0^7;
//sbit spi_miso=P4^1;
//sbit spi_rst=P2^7;
#define SPIReadByte() SPIWriteByte(0)
u8 SPIWriteByte(u8 byte);
void SPI1_Init(void);
#define SET_SPI_CS (GPIOF->BSRR=0X01)
#define CLR_SPI_CS (GPIOF->BRR=0X01)
#define SET_RC522RST GPIOF->BSRR=0X02
#define CLR_RC522RST GPIOF->BRR=0X02
/***********************RC522 函數宏定義**********************/
#define RC522_CS_Enable() GPIO_ResetBits ( GPIOA, GPIO_Pin_4 )
#define RC522_CS_Disable() GPIO_SetBits ( GPIOA, GPIO_Pin_4 )
#define RC522_Reset_Enable() GPIO_ResetBits( GPIOB, GPIO_Pin_0 )
#define RC522_Reset_Disable() GPIO_SetBits ( GPIOB, GPIO_Pin_0 )
#define RC522_SCK_0() GPIO_ResetBits( GPIOA, GPIO_Pin_5 )
#define RC522_SCK_1() GPIO_SetBits ( GPIOA, GPIO_Pin_5 )
#define RC522_MOSI_0() GPIO_ResetBits( GPIOA, GPIO_Pin_7 )
#define RC522_MOSI_1() GPIO_SetBits ( GPIOA, GPIO_Pin_7 )
#define RC522_MISO_GET() GPIO_ReadInputDataBit ( GPIOA, GPIO_Pin_6 )
void RC522_Handel (void);
void RC522_Init ( void ); //初始化
void PcdReset ( void ); //複位
void M500PcdConfigISOType ( u8 type ); //工作方式
char PcdRequest ( u8 req_code, u8 * pTagType ); //尋卡
char PcdAnticoll ( u8 * pSnr); //讀卡号
char PcdSelect ( u8 * pSnr );
char PcdAuthState ( u8 ucAuth_mode, u8 ucAddr, u8 * pKey, u8 * pSnr );
char PcdWrite ( u8 ucAddr, u8 * pData );
char PcdRead ( u8 ucAddr, u8 * pData );
void ShowID(u16 x,u16 y, u8 *p, u16 charColor, u16 bkColor); //顯示卡的卡号,以十六進制顯示
#endif