RC522读卡器
rc522读卡器 读取 Mifare_UltraLight卡
这是PN532上位机读出来的卡片内容
这是自己写的spi控制RC522程序读出来的内容，证明读卡成功
/***************************************************************************************** @file SpiMasterExample.c* @brief Spi master** @author messi* @version V1.0.0 initial release** $Id$* $Created: 2019-5-20 17:31:10$** © Shanghai Mountain View Silicon Technology Co.,Ltd. All rights reserved.***************************************************************************************/#include
#include
#include
#include "gpio.h"
#include "uarts.h"
#include "uarts_interface.h"
#include "type.h"
#include "debug.h"
#include "spi_flash.h"
#include "timeout.h"
#include "clk.h"
#include "pwm.h"
#include "irqn.h"
#include "delay.h"
#include "rtc.h"
#include "spim.h"
#include "watchdog.h"
#include "spi_flash.h"
#include "sys.h"
#include "remap.h"
#include "chip_info.h"
#include "spim_interface.h"#define LIMIT(Val, lmt) (((Val) > (lmt)) ? (lmt) : (Val))#define MAX_BUF_LEN 8uint8_t spimPort = SPIM_PORT1_A20_A21_A22;
uint8_t spimRate = SPIM_CLK_DIV_6M;
uint8_t spimMode = 0;
uint8_t SpimBuf_TX[MAX_BUF_LEN];
uint8_t SpimBuf_RX[MAX_BUF_LEN];#define SPIM_CS_INIT() \GPIO_RegOneBitClear(GPIO_A_IE, GPIOA15); \GPIO_RegOneBitSet(GPIO_A_OE, GPIOA15); \GPIO_RegOneBitSet(GPIO_A_OUT, GPIOA15);#define SPIM_CS_H() GPIO_RegOneBitSet(GPIO_A_OUT, GPIOA15);
#define SPIM_CS_L() GPIO_RegOneBitClear(GPIO_A_OUT, GPIOA15);#define SPIM_CS_ENABLE() GPIO_RegOneBitClear(GPIO_A_OUT, GPIOA15);
#define SPIM_CS_DISABLE() GPIO_RegOneBitSet(GPIO_A_OUT, GPIOA15);#define SPIM_REST_INIT() \GPIO_RegOneBitClear(GPIO_A_IE, GPIOA17); \GPIO_RegOneBitSet(GPIO_A_OE, GPIOA17); \GPIO_RegOneBitSet(GPIO_A_OUT, GPIOA17);#define SPIM_REST_H() GPIO_RegOneBitSet(GPIO_A_OUT, GPIOA17);
#define SPIM_REST_L() GPIO_RegOneBitClear(GPIO_A_OUT, GPIOA17);static uint8_t DmaChannelMap_SPIM[28] ={255, // PERIPHERAL_ID_SPIS_RX = 0, //0255, // PERIPHERAL_ID_SPIS_TX, //1255, // PERIPHERAL_ID_TIMER3, //2255, // PERIPHERAL_ID_SDIO_RX, //3255, // PERIPHERAL_ID_SDIO0_TX, //4255, // PERIPHERAL_ID_UART0_RX, //5255, // PERIPHERAL_ID_SDIO1_RX, //6255, // PERIPHERAL_ID_SDIO1_TX, //7255, // PERIPHERAL_ID_SDPIF_RX, //8 SPDIF_RX /TX需使用同一通道255, // PERIPHERAL_ID_SDPIF_TX, //91, // PERIPHERAL_ID_SPIM_RX, //102, // PERIPHERAL_ID_SPIM_TX, //11255, // PERIPHERAL_ID_UART0_TX, //12255, // PERIPHERAL_ID_UART1_RX, //13255, // PERIPHERAL_ID_UART1_TX, //14255, // PERIPHERAL_ID_PSRAM_CONTROL_TX, //15255, // PERIPHERAL_ID_PSRAM_CONTROL_RX, //16255, // PERIPHERAL_ID_TIMER4, //17255, // PERIPHERAL_ID_AUDIO_ADC0_RX, //18255, // PERIPHERAL_ID_AUDIO_ADC1_RX, //19255, // PERIPHERAL_ID_AUDIO_DAC0_TX, //20255, // PERIPHERAL_ID_AUDIO_DAC1_TX, //21255, // PERIPHERAL_ID_I2S0_TX, //22255, // PERIPHERAL_ID_I2S0_RX, //23255, // PERIPHERAL_ID_I2S1_TX, //24255, // PERIPHERAL_ID_I2S1_RX, //25255, // PERIPHERAL_ID_ADC, //26255, // PERIPHERAL_ID_SOFTWARE, //27
};
//===================================PN532=====================================
/
//函数原型
/
void RC522_Init(void);
extern char PcdReset(void);
extern void PcdAntennaOn(void);
extern void PcdAntennaOff(void);
extern char PcdRequest(unsigned char req_code,unsigned char *pTagType);
extern char PcdAnticoll(unsigned char *pSnr);
extern char PcdAnticoll_2(unsigned char *pSnr);
extern char PcdSelect(unsigned char *pSnr);
extern char PcdAuthState(unsigned char auth_mode,unsigned char addr,unsigned char *pKey,unsigned char *pSnr);
extern char PcdRead(unsigned char addr,unsigned char *pData);
extern char PcdWrite(unsigned char addr,unsigned char *pData);
extern char PcdValue(unsigned char dd_mode,unsigned char addr,unsigned char *pValue);
extern char PcdBakValue(unsigned char sourceaddr, unsigned char goaladdr);
extern char PcdHalt(void);
extern char PcdComMF522(unsigned char Command,unsigned char *pInData,unsigned char InLenByte,unsigned char *pOutData,unsigned int *pOutLenBit);
extern void CalulateCRC(unsigned char *pIndata,unsigned char len,unsigned char *pOutData);
extern void WriteRawRC(unsigned char Address,unsigned char value);
extern unsigned char ReadRawRC(unsigned char Address);
extern void SetBitMask(unsigned char reg,unsigned char mask);
extern void ClearBitMask(unsigned char reg,unsigned char mask);
extern char M500PcdConfigISOType(unsigned char type);
extern void delay_10ms(unsigned int _10ms);
extern void WaitCardOff(void);
/
//MF522命令字
/
#define PCD_IDLE 0x00 //取消当前命令
#define PCD_AUTHENT 0x0E //验证密钥
#define PCD_RECEIVE 0x08 //接收数据
#define PCD_TRANSMIT 0x04 //发送数据
#define PCD_TRANSCEIVE 0x0C //发送并接收数据
#define PCD_RESETPHASE 0x0F //复位
#define PCD_CALCCRC 0x03 //CRC计算/
//Mifare_One卡片命令字
/
#define PICC_REQIDL 0x26 //寻天线区内未进入休眠状态
#define PICC_REQALL 0x52 //寻天线区内全部卡
#define PICC_ANTICOLL1 0x93 //防冲撞
#define PICC_ANTICOLL2 0x95 //防冲撞
#define PICC_AUTHENT1A 0x60 //验证A密钥
#define PICC_AUTHENT1B 0x61 //验证B密钥
#define PICC_READ 0x30 //读块
#define PICC_WRITE 0xA0 //写块
#define PICC_DECREMENT 0xC0 //扣款
#define PICC_INCREMENT 0xC1 //充值
#define PICC_RESTORE 0xC2 //调块数据到缓冲区
#define PICC_TRANSFER 0xB0 //保存缓冲区中数据
#define PICC_HALT 0x50 //休眠/
//MF522 FIFO长度定义
/
#define DEF_FIFO_LENGTH 64 //FIFO size=64byte/
//MF522寄存器定义
/
// 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#define REQ_ALL 0x52
#define KEYA 0x60
#define KEYB 0x61/
//和MF522通讯时返回的错误代码
/
#define MI_OK (char)0
#define MI_NOTAGERR (char)(-1)
#define MI_ERR (char)(-2)//===================================PN532=====================================const char *spimIO[][4] ={// cs miso clk mosi{"A8", "A7", "A6", "A5"},{"A8", "A22", "A21", "A20"},
};#define REG_SPIM_CLK_DIV_NUM (*(volatile unsigned long *)0x40021014)
void SpimSetting(void)
{DBG("\nSPIM init setting...\n");SPIM_IoConfig(spimPort);SPIM_CS_INIT();SPIM_REST_INIT();if (SPIM_Init(spimMode, spimRate)){DBG("SPI init success!\n");DBG("spim mode:%d\n", spimMode); //DBG("spim rate:%d\n", spimRate); //DBG("spim_cs :%s\n", "A15");DBG("spim_miso:%s\n", spimIO[spimPort][1]);DBG("spim_clk :%s\n", spimIO[spimPort][2]);DBG("spim_mosi:%s\n", spimIO[spimPort][3]);}else{DBG("****** Err: SPI init fail ******\n");}
}void log_hex(uint8_t *buf, uint8_t len)
{int i;for(i = 0; i < len; i++){DBG("%02x ", buf[i]);}DBG("\n");
}unsigned char DefaultKey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
unsigned char TagType[2]; /* 卡片类型 */
unsigned char SelectedSnr[8+1]; /* 卡片序列号 */int i;
char status;
unsigned char snr, txbuf[16] = {0},buf[16] = {0};int main(void)
{WDG_Disable();Clock_Module1Enable(ALL_MODULE1_CLK_SWITCH);Clock_Module2Enable(ALL_MODULE2_CLK_SWITCH);Clock_Module3Enable(ALL_MODULE3_CLK_SWITCH);Clock_Config(1, 24000000);Clock_PllLock(288000);Clock_SysClkSelect(PLL_CLK_MODE);Clock_UARTClkSelect(PLL_CLK_MODE);GPIO_PortAModeSet(GPIOA24, 1); // Rx, A24:uart1_rxd_0GPIO_PortAModeSet(GPIOA25, 6); // Tx, A25:uart1_txd_0DbgUartInit(1, 1000000, 8, 0, 1);SysTickInit();Remap_InitTcm(0, 12);SpiFlashInit(80000000, MODE_4BIT, 0, 1);DBG("\n");DBG("/-----------------------------------------------------\\\n");DBG("| SPIM Example |\n");DBG("| Mountain View Silicon Technology Co.,Ltd. |\n");DBG("\\-----------------------------------------------------/\n");// DelayMs(1000);// DBG("\\-----------------------------------------------------/\n");// DelayMs(1000);// DBG("\\-----------------------------------------------------/\n");DBG("\n");DMA_ChannelAllocTableSet(DmaChannelMap_SPIM); // 初始化DMA通道列表SpimSetting(); // spimRC522_Init();for(i = 0; i < 16; i++){txbuf[i] = i;}//log_hex(txbuf, 16);DBG("init all\n");while(1)// mjt
{status = PcdRequest(PICC_REQIDL, TagType);DBG("look for card!\n");if(!status){DBG("card device: 0X%02x%02x\n", TagType[0], TagType[1]);status = PcdAnticoll(SelectedSnr);if(!status){//DBG("卡片序列号: ");//log_hex(SelectedSnr, 4);status=PcdSelect(SelectedSnr);if(!status){//DBG("connectOK\r\n");#if 0 //M1卡测试写status = PcdAuthState(KEYA, 5, DefaultKey, SelectedSnr);// 校验1扇区密码，密码位于每一扇区第3块if(!status){DBG("begin write!\n");memset(txbuf, 8, 4);status = PcdWrite(6, (uint8_t *)txbuf); // 写卡，读取1扇区0块数据到buf[0]-buf[16]if(!status){DBG("write card OK!\n");log_hex(txbuf, 16);}}
#endif
#if 0 //M1卡测试读for(i = 0; i < 64; i++){status = PcdAuthState(KEYA, i, DefaultKey, SelectedSnr);// 校验1扇区密码，密码位于每一扇区第3块if(!status){//DBG("begin read!\r\n");status = PcdRead(i, rxbuf); // 读卡，读取1扇区0块数据到buf[0]-buf[16]if(!status){//DBG("read card OK\r\n");log_hex(rxbuf, 16);memset(rxbuf, 0, 16);}}}
#endif
#if 1 //Mifare_UltraLight卡status = PcdAnticoll_2(SelectedSnr + 4);//二次防冲撞if(!status){DBG("ID: ");log_hex(SelectedSnr, 8);
#if 1// 1读卡for(i = 0; i < 16; i+=4){status = PcdRead(i, rxbuf); /* 会直接返回卡片0，1，2，3扇区的16位内容，虽然Ultralight的每个区块只有四位，但是返回值和M1卡是一样的，都是16位，即范围所选区块后四块的内容，可以与M1卡做兼容处理*/if(!status){//DBG("write card OK\r\n");log_hex(rxbuf, 16);memset(rxbuf, 0, 16);}}
#endif // 1
#if 0 //写卡/* 写卡，需要先读出来才能写 *//* 前面4个扇区出厂已经固化了数据 */status = PcdWrite(6, (uint8_t *)txbuf);if(!status){DBG("write card OK!\n");log_hex(txbuf, 4);}#endif/* 终止卡的操作 */status = PcdHalt();if(!status){DBG("Disconnect!\n");}}
#endif}}}
}
}void RC522_Init(void)
{// DelayMs(50);
// PcdReset();//复位RC522读卡器
// DelayMs(10);PcdReset();//复位RC522读卡器DelayMs(10);PcdAntennaOff();//关闭天线发射DelayMs(10);PcdAntennaOn();//开启天线发射//printf("RFID-MFRC522 初始化完成\r\nFindCard Starting ...\r\n"); //测试引脚初始化完成
}#define MAXRLEN 64
/
// 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];// unsigned char xTest ;ClearBitMask(Status2Reg, 0x08);WriteRawRC(BitFramingReg, 0x07);// xTest = ReadRawRC(BitFramingReg);// if(xTest == 0x07 )// { LED_GREEN =0 ;}// else {LED_GREEN =1 ;while(1){}}SetBitMask(TxControlReg, 0x03);ucComMF522Buf[0] = req_code;status = PcdComMF522(PCD_TRANSCEIVE, ucComMF522Buf, 1, ucComMF522Buf, &unLen);// if(status == MI_OK )// { LED_GREEN =0 ;}// else {LED_GREEN =1 ;}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);// printf("====\n");
// log_hex(ucComMF522Buf, unLen);
// printf("====\n");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;
}//
//Mifare Ultralight 卡二次防冲撞
//
char PcdAnticoll_2(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_ANTICOLL2;ucComMF522Buf[1] = 0x20;status = PcdComMF522(PCD_TRANSCEIVE, ucComMF522Buf, 2, ucComMF522Buf, &unLen);// printf("====\n");
// log_hex(ucComMF522Buf, unLen);
// printf("====\n");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 i, ucComMF522Buf[MAXRLEN];ucComMF522Buf[0] = auth_mode;ucComMF522Buf[1] = addr;for (i = 0; i < 6; i++){ucComMF522Buf[i + 2] = *(pKey + i);}for (i = 0; i < 6; i++){ucComMF522Buf[i + 8] = *(pSnr + i);}// memcpy(&ucComMF522Buf[2], pKey, 6);// memcpy(&ucComMF522Buf[8], pSnr, 4);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 i, ucComMF522Buf[MAXRLEN];ucComMF522Buf[0] = PICC_READ;ucComMF522Buf[1] = addr;CalulateCRC(ucComMF522Buf, 2, &ucComMF522Buf[2]);status = PcdComMF522(PCD_TRANSCEIVE, ucComMF522Buf, 4, ucComMF522Buf, &unLen);// DBG("====\n");
// DBG("len = %d\n", unLen);
// log_hex(ucComMF522Buf, unLen);
// DBG("====\n");if ((status == MI_OK) && (unLen == 0x90))// { memcpy(pData, ucComMF522Buf, 16); }{for (i = 0; i < 16; i++){*(pData + i) = ucComMF522Buf[i];}}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 i, ucComMF522Buf[MAXRLEN];ucComMF522Buf[0] = PICC_WRITE;ucComMF522Buf[1] = addr;CalulateCRC(ucComMF522Buf, 2, &ucComMF522Buf[2]);status = PcdComMF522(PCD_TRANSCEIVE, ucComMF522Buf, 4, ucComMF522Buf, &unLen);
// DBG("====\n");
// DBG("len = %d\n", unLen);
// DBG("status = %d\n", status);
// log_hex(ucComMF522Buf, unLen);
// DBG("====\n");if ((status != MI_OK) || (unLen != 4) || ((ucComMF522Buf[0] & 0x0F) != 0x0A)){status = MI_ERR;}if (status == MI_OK){//memcpy(ucComMF522Buf, pData, 16);for (i = 0; i < 16; i++){ucComMF522Buf[i] = *(pData + i);}CalulateCRC(ucComMF522Buf, 16, &ucComMF522Buf[16]);//log_hex(ucComMF522Buf, 18);status = PcdComMF522(PCD_TRANSCEIVE, ucComMF522Buf, 18, ucComMF522Buf, &unLen);//DBG("status = %d len = %d\n", status, 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)
{unsigned int unLen;unsigned char ucComMF522Buf[MAXRLEN];ucComMF522Buf[0] = PICC_HALT;ucComMF522Buf[1] = 0;CalulateCRC(ucComMF522Buf, 2, &ucComMF522Buf[2]);PcdComMF522(PCD_TRANSCEIVE, ucComMF522Buf, 4, ucComMF522Buf, &unLen);return MI_OK;
}/
// 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：复位RC522
// 返 回: 成功返回MI_OK
/
char PcdReset(void)
{SPIM_REST_H();delay_10ms(1);SPIM_REST_L();delay_10ms(6);SPIM_REST_H();delay_10ms(50);if (ReadRawRC(0x02) == 0x80){//DBG("RC522 init ok");}delay_10ms(10);delay_10ms(10);WriteRawRC(CommandReg, PCD_RESETPHASE);WriteRawRC(ModeReg, 0x3D); // 和Mifare卡通讯，CRC初始值0x6363WriteRawRC(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 defaultWriteRawRC(ComIEnReg,0x80); //as defaultWriteRawRC(DivlEnReg,0x0); //as defaultWriteRawRC(ComIrqReg,0x04); //as defaultWriteRawRC(DivIrqReg,0x0); //as defaultWriteRawRC(Status2Reg,0x0);//80 //trun off temperature sensorWriteRawRC(WaterLevelReg,0x08); //as defaultWriteRawRC(ControlReg,0x20); //as defaultWriteRawRC(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);//26WriteRawRC(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_10ms(1);PcdAntennaOn();}else{return (char)-1;}return MI_OK;
}
/
// 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 i, ucAddr;// unsigned char ucResult = 0;// NSS_L;// ucAddr = ((Address << 1) & 0x7E) | 0x80;// for (i = 8; i > 0; i--)// {// SCK_L;// if (ucAddr & 0x80)// MOSI_H;// else// MOSI_L;// SCK_H;// ucAddr <<= 1;// }// for (i = 8; i > 0; i--)// {// SCK_L;// ucResult <<= 1;// SCK_H;// if (READ_MISO == 1)// ucResult |= 1;// }// NSS_H;// SCK_H;// return ucResult;uint8_t a[2] = {0};a[0] = ((Address << 1) & 0x7E) | 0x80;SPIM_CS_L();SPIM_Send(a, 1);SPIM_Recv(&a[1], 1);SPIM_CS_H();return a[1];
}/
// 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 i, ucAddr;// SCK_L;// SPIM_CS_L();// ucAddr = ((Address << 1) & 0x7E);// for (i = 8; i > 0; i--)// {// if (ucAddr & 0x80)// MOSI_H;// else// MOSI_L;// SCK_H;// ucAddr <<= 1;// SCK_L;// }// for (i = 8; i > 0; i--)// {// if (value & 0x80)// MOSI_H;// else// MOSI_L;// SCK_H;// value <<= 1;// SCK_L;// }// SPIM_CS_H();// SCK_H;uint8_t a[2] = {0};a[0] = ((Address << 1) & 0x7E);a[1] = value;SPIM_CS_L();SPIM_Send(a, 2);SPIM_CS_H();
}/
// 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 = 0x0;tmp = ReadRawRC(reg);WriteRawRC(reg, tmp | mask); // set bit mask
}/
// 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 = 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[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25msi = 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 nowWriteRawRC(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);
}// 等待卡离开
void WaitCardOff(void)
{char status;unsigned char TagType[2];while (1){status = PcdRequest(REQ_ALL, TagType);if (status){status = PcdRequest(REQ_ALL, TagType);if (status){status = PcdRequest(REQ_ALL, TagType);if (status){return;}}}delay_10ms(100);}
}///
// Delay 10ms
///
void delay_10ms(unsigned int _10ms)
{DelayMs(_10ms * 10);
}
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