RC522 SPI通信不通
SPI程序void spi_init(void)
{
SPI_InitTypeDefSPI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
/*ʱÖÓÉèÖà */
RCC_APB2PeriphClockCmd(RCC_APB2Periph_SPI1, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOC, ENABLE);//Ç°ÃæGPIOÉèÖÃʱʱÖÓÒÑ¿ªÆô ´Ë´¦²»ÔÙÉèÖÃ
/*SCK ʱÖӹܽÅÉèÖÃ*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/*MOSI ¹Ü½ÅÉèÖà */
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_7;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/* MISO ¹Ü½ÅÉèÖÃ*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_OD;
GPIO_Init(GPIOA, &GPIO_InitStructure);
/*NSS Ƭѡ¹Ü½ÅÉèÖÃ*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/*RC522复位管脚*/
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(GPIOC, &GPIO_InitStructure);
/*À¸ß NSS¹Ü½Å*/
SET_SPI_CS;
/* */
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex;//SPI ÉèÖÃΪ˫ÏßË«ÏòÈ«Ë«¹¤
SPI_InitStructure.SPI_Mode = SPI_Mode_Master;//ÉèÖÃΪÖ÷SPI
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; //ÉèÖÃΪ·¢ËͽÓÊÕ8λ֡½á¹¹
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; //ʱÖÓÐü¿ÕµÍ
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; //Êý¾Ý²¶»ñÓëµÚ1¸öʱÖÓÑØ
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; //ÄÚ²¿NSSÐźÅÓÉSSIλ¿ØÖÆ
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_8; //²¨ÌØÂÊ·ÖƵֵΪ4 ²¨ÌØÂÊΪ9M
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; //Êý¾Ý´«Êä´Ó¸ßλ¿ªÊ¼
SPI_InitStructure.SPI_CRCPolynomial = 7; //CRCУÑé
SPI_Init(SPI1, &SPI_InitStructure);
/*ʹÄÜSPI1 */
SPI_Cmd(SPI1, ENABLE);
}
u8 SPIWriteByte(u8 Byte)
{
while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_TXE) == RESET);//µÈ´ý·¢ËÍΪ¿Õ
SPI_I2S_SendData(SPI1, Byte);//·¢ËÍÒ»¸ö×Ö½Ú
while (SPI_I2S_GetFlagStatus(SPI1, SPI_I2S_FLAG_RXNE) == RESET);//µÈ´ý·¢ËÍÍê³É
return SPI_I2S_ReceiveData(SPI1);//½ÓÊÕÒ»¸ö×Ö½Ú
}
RC522读寄存器程序
u8 ReadRawRC(unsigned char Address)
{
u8 ucAddr;
u8 ucResult=0;
CLR_SPI_CS;
ucAddr = ((Address<<1)&0x7E)|0x80;
SPIWriteByte(ucAddr);
ucResult=SPIWriteByte(0);
SET_SPI_CS;
return ucResult;
}
读寄存器时无法读到
问题是解决了 我把SPI MISO的管教配置成复用推挽输出 就可以了但是这样一来我又有疑问了
我之前有个关于SPIMISO管脚配置的帖子 跟FLASH芯片通信的时候MISO 管脚配置成3种输出 通信都可以成功 但是 为什么 跟RC522的时候 只能配置复用推挽呢？？？？？？ void SPI_Configuration(void)
{
SPI_InitTypeDefSPI_InitStructure;
GPIO_InitTypeDef GPIO_InitStructure;
#ifdef USE_SPI1
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_SPI1 | RCC_APB2Periph_AFIO, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_5 | GPIO_Pin_7;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF_PP; //复用推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_6;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;//N_FLOATING;
GPIO_Init(GPIOA, &GPIO_InitStructure);
//GPIO_SetBits(GPIOA,GPIO_Pin_5|GPIO_Pin_6|GPIO_Pin_7);
SPI_InitStructure.SPI_Direction = SPI_Direction_2Lines_FullDuplex; //设置SPI单向或者双向的数据模式:SPI设置为双线双向全双工
SPI_InitStructure.SPI_Mode = SPI_Mode_Master; //设置SPI工作模式:设置为主SPI
SPI_InitStructure.SPI_DataSize = SPI_DataSize_8b; //设置SPI的数据大小:SPI发送接收8位帧结构
SPI_InitStructure.SPI_CPOL = SPI_CPOL_Low; //选择了串行时钟的稳态:时钟悬空高
SPI_InitStructure.SPI_CPHA = SPI_CPHA_1Edge; //数据捕获于第二个时钟沿
SPI_InitStructure.SPI_NSS = SPI_NSS_Soft; //NSS信号由硬件（NSS管脚）还是软件（使用SSI位）管理:内部NSS信号有SSI位控制
SPI_InitStructure.SPI_BaudRatePrescaler = SPI_BaudRatePrescaler_256;//定义波特率预分频的值:波特率预分频值为256
SPI_InitStructure.SPI_FirstBit = SPI_FirstBit_MSB; //指定数据传输从MSB位还是LSB位开始:数据传输从MSB位开始
SPI_InitStructure.SPI_CRCPolynomial = 7; //CRC值计算的多项式
SPI_Init(SPI1, &SPI_InitStructure); //根据SPI_InitStruct中指定的参数初始化外设SPIx寄存器
SPI_Cmd(SPI1, ENABLE); //使能SPI外设
RC522_Configuration();
#endif
//SPIx_ReadWriteByte(0xff);//启动传输
}
//初始化SPI RC522的IO口
void RC522_Configuration(void)
{
#ifdef USE_RC522
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOA | RCC_APB2Periph_GPIOE, ENABLE);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_4; //RC522 CS
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //复用推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOA, &GPIO_InitStructure);
GPIO_SetBits(GPIOA,GPIO_Pin_4);
GPIO_InitStructure.GPIO_Pin = GPIO_Pin_2; //RC522 RST
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP; //复用推挽输出
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_Init(GPIOE, &GPIO_InitStructure);
GPIO_SetBits(GPIOE,GPIO_Pin_2);
#endif
}
/////////////////////////////////////////////////////////////////////
//功 能：寻卡
//参数说明: req_code: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：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 intunLen;
unsigned char ucComMF522Buf;
ClearBitMask(Status2Reg,0x08);
WriteRawRC(BitFramingReg,0x07);
SetBitMask(TxControlReg,0x03);
ucComMF522Buf = req_code;
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,1,ucComMF522Buf,&unLen);
if ((status == MI_OK) && (unLen == 0x10))
{
*pTagType = ucComMF522Buf;
*(pTagType+1) = ucComMF522Buf;
}
else
{
status = MI_ERR;
}
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能：防冲撞
//参数说明: pSnr: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 intunLen;
unsigned char ucComMF522Buf;
ClearBitMask(Status2Reg,0x08);
WriteRawRC(BitFramingReg,0x00);
ClearBitMask(CollReg,0x80);
ucComMF522Buf = PICC_ANTICOLL1;
ucComMF522Buf = 0x20;
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,2,ucComMF522Buf,&unLen);
if (status == MI_OK)
{
for (i=0; i<4; i++)
{
*(pSnr+i)= ucComMF522Buf;
snr_check ^= ucComMF522Buf;
}
if (snr_check != ucComMF522Buf)
{ status = MI_ERR; }
}
SetBitMask(CollReg,0x80);
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能：选定卡片
//参数说明: pSnr: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 intunLen;
unsigned char ucComMF522Buf;
ucComMF522Buf = PICC_ANTICOLL1;
ucComMF522Buf = 0x70;
ucComMF522Buf = 0;
for (i=0; i<4; i++)
{
ucComMF522Buf = *(pSnr+i);
ucComMF522Buf^= *(pSnr+i);
}
CalulateCRC(ucComMF522Buf,7,&ucComMF522Buf);
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: 密码验证模式
// 0x60 = 验证A密钥
// 0x61 = 验证B密钥
// addr：块地址
// pKey：密码
// pSnr：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 intunLen;
unsigned char i,ucComMF522Buf;
ucComMF522Buf = auth_mode;
ucComMF522Buf = addr;
for (i=0; i<6; i++)
{ ucComMF522Buf = *(pKey+i); }
for (i=0; i<6; i++)
{ ucComMF522Buf = *(pSnr+i); }
// memcpy(&ucComMF522Buf, pKey, 6);
// memcpy(&ucComMF522Buf, pSnr, 4);
status = PcdComMF522(PCD_AUTHENT,ucComMF522Buf,12,ucComMF522Buf,&unLen);
if ((status != MI_OK) || (!(ReadRawRC(Status2Reg) & 0x08)))
{ status = MI_ERR; }
status=0x00;
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能：读取M1卡一块数据
//参数说明: addr：块地址
// pData：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 intunLen;
unsigned char i,ucComMF522Buf;
ucComMF522Buf = PICC_READ;
ucComMF522Buf = addr;
CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
if ((status == MI_OK) && (unLen == 0x90))
// { memcpy(pData, ucComMF522Buf, 16); }
{
for (i=0; i<16; i++)
{ *(pData+i) = ucComMF522Buf; }
}
else
{ status = MI_ERR; }
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能：写数据到M1卡一块
//参数说明: addr：块地址
// pData：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 intunLen;
unsigned char i,ucComMF522Buf;
ucComMF522Buf = PICC_WRITE;
ucComMF522Buf = addr;
CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf & 0x0F) != 0x0A))
{ status = MI_ERR; }
if (status == MI_OK)
{
//memcpy(ucComMF522Buf, pData, 16);
for (i=0; i<16; i++)
{ ucComMF522Buf = *(pData+i); }
CalulateCRC(ucComMF522Buf,16,&ucComMF522Buf);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,18,ucComMF522Buf,&unLen);
if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf & 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 intunLen;
unsigned char ucComMF522Buf;
ucComMF522Buf = PICC_HALT;
ucComMF522Buf = 0;
CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
return status;
}
/////////////////////////////////////////////////////////////////////
//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 = ReadRawRC(CRCResultRegL);
pOutData = ReadRawRC(CRCResultRegM);
}
/////////////////////////////////////////////////////////////////////
//功 能：复位RC522
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdReset(void)
{
GPIO_SetBits(GPIOE,GPIO_Pin_2);
delay_us(1);
GPIO_ResetBits(GPIOE,GPIO_Pin_2);
delay_us(1);
GPIO_SetBits(GPIOE,GPIO_Pin_2);
delay_us(1);
WriteRawRC(CommandReg,PCD_RESETPHASE); //启动卡操作
delay_us(1);
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);
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(CommandReg,0x20); //as default
WriteRawRC(ComIEnReg,0x80); //as default
WriteRawRC(DivlEnReg,0x0); //as default
WriteRawRC(ComIrqReg,0x04); //as default
WriteRawRC(DivIrqReg,0x0); //as default
WriteRawRC(Status2Reg,0x0);//80 //trun off temperature sensor
WriteRawRC(WaterLevelReg,0x08); //as default
WriteRawRC(ControlReg,0x20); //as default
WriteRawRC(CollReg,0x80); //as default
*/
WriteRawRC(ModeReg,0x3D);//3F
/* WriteRawRC(TxModeReg,0x0); //as default???
WriteRawRC(RxModeReg,0x0); //as default???
WriteRawRC(TxControlReg,0x80);//as default???
WriteRawRC(TxSelReg,0x10); //as default???
*/
WriteRawRC(RxSelReg,0x86);//84
// WriteRawRC(RxThresholdReg,0x84);//as default
// WriteRawRC(DemodReg,0x4D); //as default
// WriteRawRC(ModWidthReg,0x13);//26
WriteRawRC(RFCfgReg,0x7F); //4F
/* WriteRawRC(GsNReg,0x88); //as default???
WriteRawRC(CWGsCfgReg,0x20); //as default???
WriteRawRC(ModGsCfgReg,0x20); //as default???
*/
WriteRawRC(TReloadRegL,30);//tmoLength);// TReloadVal = 'h6a =tmoLength(dec)
WriteRawRC(TReloadRegH,0);
WriteRawRC(TModeReg,0x8D);
WriteRawRC(TPrescalerReg,0x3E);
// PcdSetTmo(106);
// delay_ms(10);
PcdAntennaOn();
}
else{ return -1; }
return MI_OK;
}
/////////////////////////////////////////////////////////////////////
//功 能：读RC632寄存器
//参数说明：Address:寄存器地址
//返 回：读出的值
/////////////////////////////////////////////////////////////////////
u8 ReadRawRC(unsigned char Address)
{
u8 ucAddr;
u8 ucResult=0;
GPIO_ResetBits(GPIOA,GPIO_Pin_4);
ucAddr = ((Address<<1)&0x7E)|0x80;
SPIx_ReadWriteByte(ucAddr);
ucResult=SPIx_ReadWriteByte(0x00);
GPIO_SetBits(GPIOA,GPIO_Pin_4);;
return ucResult;
}
/////////////////////////////////////////////////////////////////////
//功 能：写RC632寄存器
//参数说明：Address:寄存器地址
// value:写入的值
/////////////////////////////////////////////////////////////////////
void WriteRawRC(unsigned char Address, unsigned char value)
{
u8 ucAddr;
// u8 tmp;
GPIO_ResetBits(GPIOA,GPIO_Pin_4);;
ucAddr = ((Address<<1)&0x7E);
SPIx_ReadWriteByte(ucAddr);
SPIx_ReadWriteByte(value);
GPIO_SetBits(GPIOA,GPIO_Pin_4);;
}
/////////////////////////////////////////////////////////////////////
//功 能：置RC522寄存器位
//参数说明：reg:寄存器地址
// mask:置位值
/////////////////////////////////////////////////////////////////////
void SetBitMask(unsigned char reg,unsigned char mask)
{
char tmp = 0x0;
tmp = ReadRawRC(reg);
WriteRawRC(reg,tmp | mask);// set bit mask
}
/////////////////////////////////////////////////////////////////////
//功 能：清RC522寄存器位
//参数说明：reg:寄存器地址
// mask:清位值
/////////////////////////////////////////////////////////////////////
void ClearBitMask(unsigned char reg,unsigned char mask)
{
char tmp = 0x0;
tmp = ReadRawRC(reg);
WriteRawRC(reg, tmp & ~mask);// clear bit mask
}
/////////////////////////////////////////////////////////////////////
//功 能：通过RC522和ISO14443卡通讯
//参数说明：Command:RC522命令字
// pInData:通过RC522发送到卡片的数据
// InLenByte:发送数据的字节长度
// pOutData:接收到的卡片返回数据
// *pOutLenBit: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); }
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 = ReadRawRC(FIFODataReg); }
}
}
else
{
status = MI_ERR;
}
}
SetBitMask(ControlReg,0x80); // stop timer now
WriteRawRC(CommandReg,PCD_IDLE);
return status;
}
/////////////////////////////////////////////////////////////////////
//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
/////////////////////////////////////////////////////////////////////
void PcdAntennaOn()
{
unsigned char i;
i = ReadRawRC(TxControlReg);
if (!(i & 0x03))
{
SetBitMask(TxControlReg, 0x03);
}
}
/////////////////////////////////////////////////////////////////////
//关闭天线
/////////////////////////////////////////////////////////////////////
void PcdAntennaOff()
{
ClearBitMask(TxControlReg, 0x03);
}
/////////////////////////////////////////////////////////////////////
//功 能：扣款和充值
//参数说明: dd_mode：命令字
// 0xC0 = 扣款
// 0xC1 = 充值
// addr：钱包地址
// pValue：4字节增(减)值，低位在前
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdValue(unsigned char dd_mode,unsigned char addr,unsigned char *pValue)
{
char status;
unsigned intunLen;
unsigned char ucComMF522Buf;
ucComMF522Buf = dd_mode;
ucComMF522Buf = addr;
CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf & 0x0F) != 0x0A))
{ status = MI_ERR; }
if (status == MI_OK)
{
// memcpy(ucComMF522Buf, pValue, 4);
// for (i=0; i<16; i++)
// { ucComMF522Buf = *(pValue+i); }
CalulateCRC(ucComMF522Buf,4,&ucComMF522Buf);
unLen = 0;
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,6,ucComMF522Buf,&unLen);
if (status != MI_ERR)
{ status = MI_OK; }
}
if (status == MI_OK)
{
ucComMF522Buf = PICC_TRANSFER;
ucComMF522Buf = addr;
CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf & 0x0F) != 0x0A))
{
status = MI_ERR;
}
}
return status;
}
/////////////////////////////////////////////////////////////////////
//功 能：备份钱包
//参数说明: sourceaddr：源地址
// goaladdr：目标地址
//返 回: 成功返回MI_OK
/////////////////////////////////////////////////////////////////////
char PcdBakValue(unsigned char sourceaddr, unsigned char goaladdr)
{
char status;
unsigned intunLen;
unsigned char ucComMF522Buf;
ucComMF522Buf = PICC_RESTORE;
ucComMF522Buf = sourceaddr;
CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf & 0x0F) != 0x0A))
{ status = MI_ERR; }
if (status == MI_OK)
{
ucComMF522Buf = 0;
ucComMF522Buf = 0;
ucComMF522Buf = 0;
ucComMF522Buf = 0;
CalulateCRC(ucComMF522Buf,4,&ucComMF522Buf);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,6,ucComMF522Buf,&unLen);
if (status != MI_ERR)
{ status = MI_OK; }
}
if (status != MI_OK)
{
return MI_ERR;
}
ucComMF522Buf = PICC_TRANSFER;
ucComMF522Buf = goaladdr;
CalulateCRC(ucComMF522Buf,2,&ucComMF522Buf);
status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,4,ucComMF522Buf,&unLen);
if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf & 0x0F) != 0x0A))
{
status = MI_ERR;
}
return status;
} 帮顶了。 LZ传下源文件，方便看看。
还有具体是什么问题？ 代码好长，看着头痛 自己动手丰衣足食，用示波器先看图形
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