日韩视频二区,91,看片,国产欧美精品一区二区三区四区

#include "rc522_function.h"
#include "rc522_config.h"
#include "stm32f10x.h"
#include "bsp_SysTick.h"
#define RC522_DELAY() Delay_us ( 200 )
/**
* @brief 向RC522發送1 Byte 數據
* @param byte，要發送的數據
* @retval RC522返回的數據
*/
void SPI_RC522_SendByte ( uint8_t byte )
{
uint8_t 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;
}
}
/**
* @brief 從RC522發送1 Byte 數據
* @param 無
* @retval RC522返回的數據
*/
uint8_t SPI_RC522_ReadByte ( void )
{
uint8_t counter;
uint8_t 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;
}
/**
* @brief 讀RC522寄存器
* @param ucAddress，寄存器地址
* @retval 寄存器的當前值
*/
uint8_t ReadRawRC ( uint8_t ucAddress )
{
uint8_t ucAddr, ucReturn;
ucAddr = ( ( ucAddress << 1 ) & 0x7E ) | 0x80;
RC522_CS_Enable();
SPI_RC522_SendByte ( ucAddr );
ucReturn = SPI_RC522_ReadByte ();
RC522_CS_Disable();
return ucReturn;
}
/**
* @brief 寫RC522寄存器
* @param ucAddress，寄存器地址
* @param ucValue，寫入寄存器的值
* @retval 無
*/
void WriteRawRC ( uint8_t ucAddress, uint8_t ucValue )
{
uint8_t ucAddr;
ucAddr = ( ucAddress << 1 ) & 0x7E;
RC522_CS_Enable();
SPI_RC522_SendByte ( ucAddr );
SPI_RC522_SendByte ( ucValue );
RC522_CS_Disable();
}
/**
* @brief 對RC522寄存器置位
* @param ucReg，寄存器地址
* @param ucMask，置位值
* @retval 無
*/
void SetBitMask ( uint8_t ucReg, uint8_t ucMask )
{
uint8_t ucTemp;
ucTemp = ReadRawRC ( ucReg );
WriteRawRC ( ucReg, ucTemp | ucMask ); // set bit mask
}
/**
* @brief 對RC522寄存器清位
* @param ucReg，寄存器地址
* @param ucMask，清位值
* @retval 無
*/
void ClearBitMask ( uint8_t ucReg, uint8_t ucMask )
{
uint8_t ucTemp;
ucTemp = ReadRawRC ( ucReg );
WriteRawRC ( ucReg, ucTemp & ( ~ ucMask) ); // clear bit mask
}
/**
* @brief 開啟天線
* @param 無
* @retval 無
*/
void PcdAntennaOn ( void )
{
uint8_t uc;
uc = ReadRawRC ( TxControlReg );
if ( ! ( uc & 0x03 ) )
SetBitMask(TxControlReg, 0x03);
}
/**
* @brief 關閉天線
* @param 無
* @retval 無
*/
void PcdAntennaOff ( void )
{
ClearBitMask ( TxControlReg, 0x03 );
}
/**
* @brief 復位RC522
* @param 無
* @retval 無
*/
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 );
//定義發送和接收常用模式和Mifare卡通訊，CRC初始值0x6363
WriteRawRC ( ModeReg, 0x3D );
WriteRawRC ( TReloadRegL, 30 ); //16位定時器低位
WriteRawRC ( TReloadRegH, 0 ); //16位定時器高位
WriteRawRC ( TModeReg, 0x8D ); //定義內部定時器的設置
WriteRawRC ( TPrescalerReg, 0x3E ); //設置定時器分頻系數
WriteRawRC ( TxAutoReg, 0x40 ); //調制發送信號為100%ASK
}
/**
* @brief 設置RC522的工作方式
* @param ucType，工作方式
* @retval 無
*/
void M500PcdConfigISOType ( uint8_t ucType )
{
if ( ucType == 'A') //ISO14443_A
{
ClearBitMask ( Status2Reg, 0x08 );
WriteRawRC ( ModeReg, 0x3D ); //3F
WriteRawRC ( RxSelReg, 0x86 ); //84
WriteRawRC( RFCfgReg, 0x7F ); //4F
WriteRawRC( TReloadRegL, 30 );
WriteRawRC ( TReloadRegH, 0 );
WriteRawRC ( TModeReg, 0x8D );
WriteRawRC ( TPrescalerReg, 0x3E );
Delay_us ( 2 );
PcdAntennaOn ();//開天線
}
}
/**
* @brief 通過RC522和ISO14443卡通訊
* @param ucCommand，RC522命令字
* @param pInData，通過RC522發送到卡片的數據
* @param ucInLenByte，發送數據的字節長度
* @param pOutData，接收到的卡片返回數據
* @param pOutLenBit，返回數據的位長度
* @retval 狀態值= MI_OK，成功
*/
char PcdComMF522 ( uint8_t ucCommand,
uint8_t * pInData,
uint8_t ucInLenByte,
uint8_t * pOutData,
uint32_t * pOutLenBit )
{
char cStatus = MI_ERR;
uint8_t ucIrqEn = 0x00;
uint8_t ucWaitFor = 0x00;
uint8_t ucLastBits;
uint8_t ucN;
uint32_t 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標志位
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標志位與空閑中斷標志位
break;
default:
break;
}
//IRqInv置位管腳IRQ與Status1Reg的IRq位的值相反
WriteRawRC ( ComIEnReg, ucIrqEn | 0x80 );
//Set1該位清零時，CommIRqReg的屏蔽位清零
ClearBitMask ( ComIrqReg, 0x80 );
//寫空閑命令
WriteRawRC ( CommandReg, PCD_IDLE );
//置位FlushBuffer清除內部FIFO的讀和寫指針以及ErrReg的BufferOvfl標志位被清除
SetBitMask ( FIFOLevelReg, 0x80 );
for ( ul = 0; ul < ucInLenByte; ul ++ )
WriteRawRC ( FIFODataReg, pInData [ ul ] ); //寫數據進FIFOdata
WriteRawRC ( CommandReg, ucCommand ); //寫命令
if ( ucCommand == PCD_TRANSCEIVE )
//StartSend置位啟動數據發送該位與收發命令使用時才有效
SetBitMask(BitFramingReg,0x80);
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 ) ) );
ClearBitMask ( BitFramingReg, 0x80 ); //清理允許StartSend位
if ( ul != 0 )
{
//讀錯誤標志寄存器BufferOfI CollErr ParityErr ProtocolErr
if ( ! ( ReadRawRC ( ErrorReg ) & 0x1B ) )
{
cStatus = MI_OK;
if ( ucN & ucIrqEn & 0x01 ) //是否發生定時器中斷
cStatus = MI_NOTAGERR;
if ( ucCommand == PCD_TRANSCEIVE )
{
//讀FIFO中保存的字節數
ucN = ReadRawRC ( FIFOLevelReg );
//最后接收到得字節的有效位數
ucLastBits = ReadRawRC ( ControlReg ) & 0x07;
if ( ucLastBits )
//N個字節數減去1（最后一個字節）+最后一位的位數讀取到的數據總位數
* pOutLenBit = ( ucN - 1 ) * 8 + ucLastBits;
else
* pOutLenBit = ucN * 8; //最后接收到的字節整個字節有效
if ( ucN == 0 )
ucN = 1;
if ( ucN > MAXRLEN )
ucN = MAXRLEN;
for ( ul = 0; ul < ucN; ul ++ )
pOutData [ ul ] = ReadRawRC ( FIFODataReg );
}
}
else
cStatus = MI_ERR;
}
SetBitMask ( ControlReg, 0x80 ); // stop timer now
WriteRawRC ( CommandReg, PCD_IDLE );
return cStatus;
}
/**
* @brief 尋卡
* @param ucReq_code，尋卡方式 = 0x52，尋感應區內所有符合14443A標準的卡；
尋卡方式= 0x26，尋未進入休眠狀態的卡
* @param 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
* @retval 狀態值= MI_OK，成功
*/
char PcdRequest ( uint8_t ucReq_code, uint8_t * pTagType )
{
char cStatus;
uint8_t ucComMF522Buf [ MAXRLEN ];
uint32_t ulLen;
//清理指示MIFARECyptol單元接通以及所有卡的數據通信被加密的情況
ClearBitMask ( Status2Reg, 0x08 );
//發送的最后一個字節的七位
WriteRawRC ( BitFramingReg, 0x07 );
//TX1,TX2管腳的輸出信號傳遞經發送調制的13.56的能量載波信號
SetBitMask ( TxControlReg, 0x03 );
ucComMF522Buf [ 0 ] = ucReq_code; //存入卡片命令字
cStatus = PcdComMF522 ( PCD_TRANSCEIVE,
ucComMF522Buf,
1,
ucComMF522Buf,
& ulLen ); //尋卡
if ( ( cStatus == MI_OK ) && ( ulLen == 0x10 ) ) //尋卡成功返回卡類型
{
* pTagType = ucComMF522Buf [ 0 ];
* ( pTagType + 1 ) = ucComMF522Buf [ 1 ];
}
else
cStatus = MI_ERR;
return cStatus;
}
/**
* @brief 防沖撞
* @param pSnr，卡片序列號，4字節
* @retval 狀態值= MI_OK，成功
*/
char PcdAnticoll ( uint8_t * pSnr )
{
char cStatus;
uint8_t uc, ucSnr_check = 0;
uint8_t ucComMF522Buf [ MAXRLEN ];
uint32_t ulLen;
//清MFCryptol On位只有成功執行MFAuthent命令后，該位才能置位
ClearBitMask ( Status2Reg, 0x08 );
//清理寄存器停止收發
WriteRawRC ( BitFramingReg, 0x00);
//清ValuesAfterColl所有接收的位在沖突后被清除
ClearBitMask ( CollReg, 0x80 );
ucComMF522Buf [ 0 ] = 0x93; //卡片防沖突命令
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;
}
/**
* @brief 用RC522計算CRC16
* @param pIndata，計算CRC16的數組
* @param ucLen，計算CRC16的數組字節長度
* @param pOutData，存放計算結果存放的首地址
* @retval 無
*/
void CalulateCRC ( uint8_t * pIndata,
uint8_t ucLen,
uint8_t * pOutData )
{
uint8_t 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 );
}
/**
* @brief 選定卡片
* @param pSnr，卡片序列號，4字節
* @retval 狀態值= MI_OK，成功
*/
char PcdSelect ( uint8_t * pSnr )
{
char ucN;
uint8_t uc;
uint8_t ucComMF522Buf [ MAXRLEN ];
uint32_t 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;
}
/**
* @brief 驗證卡片密碼
* @param ucAuth_mode，密碼驗證模式= 0x60，驗證A密鑰，
密碼驗證模式= 0x61，驗證B密鑰
* @param uint8_t ucAddr，塊地址
* @param pKey，密碼
* @param pSnr，卡片序列號，4字節
* @retval 狀態值= MI_OK，成功
*/
char PcdAuthState ( uint8_t ucAuth_mode,
uint8_t ucAddr,
uint8_t * pKey,
uint8_t * pSnr )
{
char cStatus;
uint8_t uc, ucComMF522Buf [ MAXRLEN ];
uint32_t 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 ) ) )
cStatus = MI_ERR;
return cStatus;
}
/**
* @brief 寫數據到M1卡一塊
* @param uint8_t ucAddr，塊地址
* @param pData，寫入的數據，16字節
* @retval 狀態值= MI_OK，成功
*/
char PcdWrite ( uint8_t ucAddr, uint8_t * pData )
{
char cStatus;
uint8_t uc, ucComMF522Buf [ MAXRLEN ];
uint32_t 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;
}
/**
* @brief 讀取M1卡一塊數據
* @param ucAddr，塊地址
* @param pData，讀出的數據，16字節
* @retval 狀態值= MI_OK，成功
*/
char PcdRead ( uint8_t ucAddr, uint8_t * pData )
{
char cStatus;
uint8_t uc, ucComMF522Buf [ MAXRLEN ];
uint32_t ulLen;
ucComMF522Buf [ 0 ] = PICC_READ;
……………………
…………限于本文篇幅余下代碼請從51黑下載附件…………

復制代碼

久久久久久久999_99精品久久精品一区二区爱城_成人欧美一区二区三区在线播放_国产精品日本一区二区不卡视频_国产午夜视频_欧美精品在线观看免费