标题:
STC11F32单片机与RC522通信的代码
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作者:
wangyuqxfx
时间:
2017-4-3 17:29
标题:
STC11F32单片机与RC522通信的代码
STC11F32单片机芯片与RC522通信的源代码:
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STC11F32_RC522-bke.rar
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主程序:
#include "include.h"
void delay_ms( INT16U tms )
{
INT16U i;
while( tms-- )
{
for( i = 0; i < 300; i ++ )
{
nop();
nop();
nop();
nop();
nop();
nop();
}
}
}
void init_led( void )
{
P1 = 0x00;
delay_ms(200);
P1 = 0Xff;
}
void init_port( void )
{
// P0M1 = 0x00;
// P0M0 = 0xff;
P3M1 &= ~0x10;
P3M0 |= 0x10;
//
// P1M1=0x00;
// P1M0=0x00;
//
// P2M1=0x00;
// P2M0=0xff;
//
// P30=1;
// P3M1=0x41;
// P3M0=0xa2;
//
// P4M1=0x02;
// P4M0=0x00;
BEEP_OFF;
LED_OFF;
}
void init_par( void )
{
BEEP_OFF;
LED_OFF;
}
void init_wdt( void ) //2.7S
{
// WDT_CONTR = 0xC1;
// WDT_CONTR = 0x3E;
}
void feed_wdt( void )
{
// WDT_CONTR = 0x3E;
}
void init_all(void)
{
EA = 0;
init_timer();
init_uart();
init_port();
init_rc522();
init_par();
init_wdt();
init_led();
EA = 1;
}
void main(void)
{
if((PCON&0x10)==0) //如果POF位=0
{
PCON=PCON|0x10; //将POF位置1
IAP_CONTR=0x60; //软复位,从ISP监控区启动
}
else
{
PCON=PCON&0xef; //将POF位清零
}
lcdInitinal();
lcdMsg("创思通信",2,2);
lcdMsg("wwwcsgsmcom",4,1);
delay_ms(2000);
lcdInitinal();
delay_ms(2);
lcdMsg("余额:----",4,0);
lcdMsg("卡号:----",2,0);
lcdMsg("消费:----",3,0);
lcdMsg("状态:----",1,0);
init_all();
while(1)
{
feed_wdt();
ctrl_process();
}
}
复制代码
#include "include.h"
void delay_ns(unsigned int ns)
{
unsigned int i;
for(i=0;i<ns;i++)
{
nop();
nop();
nop();
}
}
//------------------------------------------
// 读SPI数据
//------------------------------------------
unsigned char SPIReadByte(void)
{
unsigned char SPICount; // Counter used to clock out the data
unsigned char SPIData;
SPIData = 0;
for (SPICount = 0; SPICount < 8; SPICount++) // Prepare to clock in the data to be read
{
SPIData <<=1; // Rotate the data
CLR_SPI_CK; //nop();//nop(); // Raise the clock to clock the data out of the MAX7456
if(STU_SPI_MISO)
{
SPIData|=0x01;
}
SET_SPI_CK; //nop();//nop(); // Drop the clock ready for the next bit
} // and loop back
return (SPIData); // Finally return the read data
}
//------------------------------------------
// 写SPI数据
//------------------------------------------
void SPIWriteByte(unsigned char SPIData)
{
unsigned char SPICount; // Counter used to clock out the data
for (SPICount = 0; SPICount < 8; SPICount++)
{
if (SPIData & 0x80)
{
SET_SPI_MOSI;
}
else
{
CLR_SPI_MOSI;
}
nop();nop();
CLR_SPI_CK;nop();nop();
SET_SPI_CK;nop();nop();
SPIData <<= 1;
}
}
/////////////////////////////////////////////////////////////////////
//功 能:读RC632寄存器
//参数说明:Address[IN]:寄存器地址
//返 回:读出的值
/////////////////////////////////////////////////////////////////////
unsigned char ReadRawRC(unsigned char Address)
{
unsigned char ucAddr;
unsigned char ucResult=0;
CLR_SPI_CS;
ucAddr = ((Address<<1)&0x7E)|0x80;
SPIWriteByte(ucAddr);
ucResult=SPIReadByte();
SET_SPI_CS;
return ucResult;
}
/////////////////////////////////////////////////////////////////////
//功 能:写RC632寄存器
//参数说明:Address[IN]:寄存器地址
// value[IN]:写入的值
/////////////////////////////////////////////////////////////////////
void WriteRawRC(unsigned char Address, unsigned char value)
{
unsigned char ucAddr;
CLR_SPI_CS;
ucAddr = ((Address<<1)&0x7E);
SPIWriteByte(ucAddr);
SPIWriteByte(value);
SET_SPI_CS;
}
/////////////////////////////////////////////////////////////////////
//功 能:清RC522寄存器位
//参数说明:reg[IN]:寄存器地址
// mask[IN]:清位值
/////////////////////////////////////////////////////////////////////
void ClearBitMask(unsigned char reg,unsigned char mask)
{
char tmp = 0x00;
tmp = ReadRawRC(reg);
WriteRawRC(reg, tmp & ~mask); // clear bit mask
}
/////////////////////////////////////////////////////////////////////
//功 能:置RC522寄存器位
//参数说明:reg[IN]:寄存器地址
// mask[IN]:置位值
/////////////////////////////////////////////////////////////////////
void SetBitMask(unsigned char reg,unsigned char mask)
{
char tmp = 0x00;
tmp = ReadRawRC(reg);
WriteRawRC(reg,tmp | mask); // set bit mask
}
/////////////////////////////////////////////////////////////////////
//用MF522计算CRC16函数
/////////////////////////////////////////////////////////////////////
void CalulateCRC(unsigned char *pIndata,unsigned char len,unsigned char *pOutData)
{
unsigned char i,n;
ClearBitMask(DivIrqReg,0x04);
WriteRawRC(CommandReg,PCD_IDLE);
SetBitMask(FIFOLevelReg,0x80);
for (i=0; i<len; i++)
{ WriteRawRC(FIFODataReg, *(pIndata+i)); }
WriteRawRC(CommandReg, PCD_CALCCRC);
i = 0xFF;
do
{
n = ReadRawRC(DivIrqReg);
i--;
}
while ((i!=0) && !(n&0x04));
pOutData[0] = ReadRawRC(CRCResultRegL);
pOutData[1] = ReadRawRC(CRCResultRegM);
}
/////////////////////////////////////////////////////////////////////
//功 能:通过RC522和ISO14443卡通讯
//参数说明:Command[IN]:RC522命令字
// pInData[IN]:通过RC522发送到卡片的数据
// InLenByte[IN]:发送数据的字节长度
// pOutData[OUT]:接收到的卡片返回数据
// *pOutLenBit[OUT]:返回数据的位长度
/////////////////////////////////////////////////////////////////////
char PcdComMF522(unsigned char Command,
unsigned char *pInData,
unsigned char InLenByte,
unsigned char *pOutData,
unsigned int *pOutLenBit)
{
char status = MI_ERR;
unsigned char irqEn = 0x00;
unsigned char waitFor = 0x00;
unsigned char lastBits;
unsigned char n;
unsigned int i;
switch (Command)
{
case PCD_AUTHENT:
irqEn = 0x12;
waitFor = 0x10;
break;
case PCD_TRANSCEIVE:
irqEn = 0x77;
waitFor = 0x30;
break;
default:
break;
}
WriteRawRC(ComIEnReg,irqEn|0x80);
ClearBitMask(ComIrqReg,0x80);
WriteRawRC(CommandReg,PCD_IDLE);
SetBitMask(FIFOLevelReg,0x80);
for (i=0; i<InLenByte; i++)
{
WriteRawRC(FIFODataReg, pInData[i]);
}
WriteRawRC(CommandReg, Command);
if (Command == PCD_TRANSCEIVE)
{
SetBitMask(BitFramingReg,0x80);
}
//i = 600;//根据时钟频率调整,操作M1卡最大等待时间25ms
i = 2000;
do
{
n = ReadRawRC(ComIrqReg);
i--;
}
while ((i!=0) && !(n&0x01) && !(n&waitFor));
ClearBitMask(BitFramingReg,0x80);
if (i!=0)
{
if(!(ReadRawRC(ErrorReg)&0x1B))
{
status = MI_OK;
if (n & irqEn & 0x01)
{ status = MI_NOTAGERR; }
if (Command == PCD_TRANSCEIVE)
{
n = ReadRawRC(FIFOLevelReg);
lastBits = ReadRawRC(ControlReg) & 0x07;
if (lastBits)
{
*pOutLenBit = (n-1)*8 + lastBits;
}
else
{
*pOutLenBit = n*8;
}
if (n == 0)
{
n = 1;
}
if (n > MAXRLEN)
{
n = MAXRLEN;
}
for (i=0; i<n; i++)
{
pOutData[i] = ReadRawRC(FIFODataReg);
}
}
}
else
{
status = MI_ERR;
}
}
SetBitMask(ControlReg,0x80); // stop timer now
WriteRawRC(CommandReg,PCD_IDLE);
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能:寻卡
//参数说明: req_code[IN]:寻卡方式
// 0x52 = 寻感应区内所有符合14443A标准的卡
// 0x26 = 寻未进入休眠状态的卡
// pTagType[OUT]:卡片类型代码
// 0x4400 = Mifare_UltraLight
// 0x0400 = Mifare_One(S50)
// 0x0200 = Mifare_One(S70)
// 0x0800 = Mifare_Pro(X)
// 0x4403 = Mifare_DESFire
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdRequest(unsigned char req_code,unsigned char *pTagType)
{
char status;
unsigned int unLen;
unsigned char ucComMF522Buf[MAXRLEN];
ClearBitMask(Status2Reg,0x08);
WriteRawRC(BitFramingReg,0x07);
SetBitMask(TxControlReg,0x03);
ucComMF522Buf[0] = req_code;
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,1,ucComMF522Buf,&unLen);
if ((status == MI_OK) && (unLen == 0x10))
{
*pTagType = ucComMF522Buf[0];
*(pTagType+1) = ucComMF522Buf[1];
}
else
{
status = MI_ERR;
}
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能:防冲撞
//参数说明: pSnr[OUT]:卡片序列号,4字节
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdAnticoll(unsigned char *pSnr)
{
char status;
unsigned char i,snr_check=0;
unsigned int unLen;
unsigned char ucComMF522Buf[MAXRLEN];
ClearBitMask(Status2Reg,0x08);
WriteRawRC(BitFramingReg,0x00);
ClearBitMask(CollReg,0x80);
ucComMF522Buf[0] = PICC_ANTICOLL1;
ucComMF522Buf[1] = 0x20;
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,2,ucComMF522Buf,&unLen);
if (status == MI_OK)
{
for (i=0; i<4; i++)
{
*(pSnr+i) = ucComMF522Buf[i];
snr_check ^= ucComMF522Buf[i];
}
if (snr_check != ucComMF522Buf[i])
{
status = MI_ERR;
}
}
SetBitMask(CollReg,0x80);
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能:选定卡片
//参数说明: pSnr[IN]:卡片序列号,4字节
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdSelect(unsigned char *pSnr)
{
char status;
unsigned char i;
unsigned int unLen;
unsigned char ucComMF522Buf[MAXRLEN];
ucComMF522Buf[0] = PICC_ANTICOLL1;
ucComMF522Buf[1] = 0x70;
ucComMF522Buf[6] = 0;
for (i=0; i<4; i++)
{
ucComMF522Buf[i+2] = *(pSnr+i);
ucComMF522Buf[6] ^= *(pSnr+i);
}
CalulateCRC(ucComMF522Buf,7,&ucComMF522Buf[7]);
ClearBitMask(Status2Reg,0x08);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,9,ucComMF522Buf,&unLen);
if ((status == MI_OK) && (unLen == 0x18))
{
status = MI_OK;
}
else
{
status = MI_ERR;
}
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能:验证卡片密码
//参数说明: auth_mode[IN]: 密码验证模式
// 0x60 = 验证A密钥
// 0x61 = 验证B密钥
// addr[IN]:块地址
// pKey[IN]:密码
// pSnr[IN]:卡片序列号,4字节
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdAuthState(unsigned char auth_mode,unsigned char addr,unsigned char *pKey,unsigned char *pSnr)
{
char status;
unsigned int unLen;
unsigned char ucComMF522Buf[MAXRLEN];
ucComMF522Buf[0] = auth_mode;
ucComMF522Buf[1] = addr;
memcpy(&ucComMF522Buf[2], pKey, 6);
memcpy(&ucComMF522Buf[8], pSnr, 6);
status = PcdComMF522(PCD_AUTHENT,ucComMF522Buf,12,ucComMF522Buf,&unLen);
if ((status != MI_OK) || (!(ReadRawRC(Status2Reg) & 0x08)))
{
status = MI_ERR;
}
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能:读取M1卡一块数据
//参数说明: addr[IN]:块地址
// pData[OUT]:读出的数据,16字节
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdRead(unsigned char addr,unsigned char *pData)
{
char status;
unsigned int unLen;
unsigned char ucComMF522Buf[MAXRLEN];
ucComMF522Buf[0] = PICC_READ;
ucComMF522Buf[1] = addr;
CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
if ((status == MI_OK) && (unLen == 0x90))
{
memcpy(pData, ucComMF522Buf, 16);
}
else
{
status = MI_ERR;
}
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能:写数据到M1卡一块
//参数说明: addr[IN]:块地址
// pData[IN]:写入的数据,16字节
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdWrite(unsigned char addr,unsigned char *pData)
{
char status;
unsigned int unLen;
unsigned char ucComMF522Buf[MAXRLEN];
ucComMF522Buf[0] = PICC_WRITE;
ucComMF522Buf[1] = addr;
CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A))
{
status = MI_ERR;
}
if (status == MI_OK)
{
memcpy(ucComMF522Buf, pData, 16);
CalulateCRC(ucComMF522Buf,16,&ucComMF522Buf[16]);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,18,ucComMF522Buf,&unLen);
if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A))
{
status = MI_ERR;
}
}
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能:命令卡片进入休眠状态
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdHalt(void)
{
char status;
unsigned int unLen;
unsigned char ucComMF522Buf[MAXRLEN];
ucComMF522Buf[0] = PICC_HALT;
ucComMF522Buf[1] = 0;
CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf[2]);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
return MI_OK;
}
/////////////////////////////////////////////////////////////////////
//功 能:复位RC522
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdReset(void)
{
SET_RC522RST;
delay_ns(10);
CLR_RC522RST;
delay_ns(10);
SET_RC522RST;
delay_ns(10);
WriteRawRC(CommandReg,PCD_RESETPHASE);
delay_ns(10);
WriteRawRC(ModeReg,0x3D); //和Mifare卡通讯,CRC初始值0x6363
WriteRawRC(TReloadRegL,30);
WriteRawRC(TReloadRegH,0);
WriteRawRC(TModeReg,0x8D);
WriteRawRC(TPrescalerReg,0x3E);
WriteRawRC(TxAutoReg,0x40);//必须要
return MI_OK;
}
//////////////////////////////////////////////////////////////////////
//设置RC632的工作方式
//////////////////////////////////////////////////////////////////////
char M500PcdConfigISOType(unsigned char type)
{
if (type == '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_ns(1000);
PcdAntennaOn();
}
else{ return -1; }
return MI_OK;
}
/////////////////////////////////////////////////////////////////////
//开启天线
//每次启动或关闭天险发射之间应至少有1ms的间隔
/////////////////////////////////////////////////////////////////////
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