【MM32F5270开发板试用】+RFID门禁
2024-04-04 10:06:24
本篇文章来自极术社区与灵动组织的MM32F5270开发板评测活动，更多开发板试用活动请关注极术社区网站。作者：理想三旬
本次使用RFID-RC522模块与之前的1.8寸TFT实现门禁，通过主控循环检测RFID模块的信息，当接收到刷卡信息且核对通过后指示灯会闪，同时也开始计时，到5秒后自动关，同时将信息显示到屏幕上（拍照的时候拍不到屏幕上的信息）。
一、硬件设计
1.屏幕，这是使用的就是开发板的接口，使用I/O模拟的方式，将屏幕点亮。
2.RFID-RC522模块，这里使用的也是模拟的时序与模块通信，具体接线如下所示：
3.舵机，这里直接使用了开发板的接口，使用过的引脚是PA8，这里的电源需要外接，USB的电源不能直接作为舵机接口的电源。
4.LED，这里使用LED作为状态显示，显示读卡状态以及上锁状态
二、软件设计
1.timer1,这里使用了定时器1的基本功能，实现一个1s中断一次的效果，用来计时，当读到卡5s后自动关。
#include "Timer1.h"
#include "board_init.h"
#include "Lcd_Driver.h"#define APP_TIM_UPDATE_PERIOD 2000uunsigned char Nm[5]={0,1,2,3,4};unsigned char time=0;/* Setup the timer. */
void app_tim_init(void)
{/* Set the counter counting step. */TIM_Init_Type tim_init;tim_init.ClockFreqHz = BOARD_TIM_FREQ;tim_init.StepFreqHz = APP_TIM_UPDATE_PERIOD; /* 1s. */tim_init.Period = APP_TIM_UPDATE_PERIOD - 1u;tim_init.EnablePreloadPeriod = false;tim_init.PeriodMode = TIM_PeriodMode_Continuous;tim_init.CountMode = TIM_CountMode_Increasing;TIM_Init(BOARD_TIM_PORT, &tim_init);/* Enable interrupt. */NVIC_EnableIRQ(BOARD_TIM_IRQn);TIM_EnableInterrupts(BOARD_TIM_PORT, TIM_INT_UPDATE_PERIOD, true);/* Start the counter. */TIM_Start(BOARD_TIM_PORT);
}/* TIM_BASIC Period timeout ISR. */
void BOARD_TIM_IRQHandler(void)
{uint32_t flags = TIM_GetInterruptStatus(BOARD_TIM_PORT);if ( 0u != (flags & TIM_STATUS_UPDATE_PERIOD ) ) /* Check update status. */{time++;if(time>4){time=0;GPIO_WriteBit(GPIOI, GPIO_PIN_0, 1);Gui_DrawFont_GBK16(20,50,BLACK,GRAY0,"Close door...");SG90_angle(0);}switch(time){case 0:Gui_DrawFont_GBK16(70,30,BLACK,GRAY0,"0");break;case 1:Gui_DrawFont_GBK16(70,30,BLACK,GRAY0,"1");break;case 2:Gui_DrawFont_GBK16(70,30,BLACK,GRAY0,"2");break;case 3:Gui_DrawFont_GBK16(70,30,BLACK,GRAY0,"3");break;case 4:Gui_DrawFont_GBK16(70,30,BLACK,GRAY0,"4");break; }}TIM_ClearInterruptStatus(BOARD_TIM_PORT, flags);
}
2.RFID.C
#include "RC522.h"#define MAXRLEN 18void RC522_Init(void)
{GPIO_Init_Type gpio_init;//RCC522gpio_init.Pins = GPIO_PIN_1|GPIO_PIN_0|GPIO_PIN_2|GPIO_PIN_4;gpio_init.PinMode = GPIO_PinMode_Out_PushPull;gpio_init.Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOF, &gpio_init);GPIO_SetBits(GPIOF,GPIO_PIN_1|GPIO_PIN_0|GPIO_PIN_2|GPIO_PIN_4); //拉高gpio_init.Pins = GPIO_PIN_3;gpio_init.PinMode = GPIO_PinMode_In_PullUp;gpio_init.Speed = GPIO_Speed_50MHz;GPIO_Init(GPIOF, &gpio_init);
}/
//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 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);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);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]);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：扣款和充值
//参数说明: dd_mode[IN]：命令字
// 0xC0 = 扣款
// 0xC1 = 充值
// addr[IN]：钱包地址
// pValue[IN]：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 int unLen;unsigned char i,ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = dd_mode;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, pValue, 4);for (i=0; i<16; i++){ ucComMF522Buf[i] = *(pValue+i); }CalulateCRC(ucComMF522Buf,4,&ucComMF522Buf[4]);unLen = 0;status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,6,ucComMF522Buf,&unLen);if (status != MI_ERR){ status = MI_OK; }}if (status == MI_OK){ucComMF522Buf[0] = PICC_TRANSFER;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; }}return status;
}/
//功 能：备份钱包
//参数说明: sourceaddr[IN]：源地址
// goaladdr[IN]：目标地址
//返 回: 成功返回MI_OK
/
char PcdBakValue(unsigned char sourceaddr, unsigned char goaladdr)
{char status;unsigned int unLen;unsigned char ucComMF522Buf[MAXRLEN]; ucComMF522Buf[0] = PICC_RESTORE;ucComMF522Buf[1] = sourceaddr;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){ucComMF522Buf[0] = 0;ucComMF522Buf[1] = 0;ucComMF522Buf[2] = 0;ucComMF522Buf[3] = 0;CalulateCRC(ucComMF522Buf,4,&ucComMF522Buf[4]);status = PcdComMF522(PCD_TRANSCEIVE,ucComMF522Buf,6,ucComMF522Buf,&unLen);if (status != MI_ERR){ status = MI_OK; }}if (status != MI_OK){ return MI_ERR; }ucComMF522Buf[0] = PICC_TRANSFER;ucComMF522Buf[1] = goaladdr;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; }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;
}/
//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)
{//unsigned char i;MF522_RST_HIGH;delay_us(10); MF522_RST_LOW;delay_us(10); MF522_RST_HIGH;delay_us(10); WriteRawRC(CommandReg,PCD_RESETPHASE);delay_us(10); 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;
}/
//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;unsigned char MF522_SI;MF522_SCK_LOW;MF522_NSS_LOW;ucAddr = ((Address<<1)&0x7E)|0x80;for(i=8;i>0;i--){MF522_SI = ((ucAddr&0x80)==0x80);if(MF522_SI==0){MF522_SI_LOW;}if(MF522_SI==1){MF522_SI_HIGH;}MF522_SCK_HIGH;ucAddr <<= 1;MF522_SCK_LOW;delay_us(10); //STM32需要多加的延时时间。51的不需要加}for(i=8;i>0;i--){MF522_SCK_HIGH;ucResult <<= 1;ucResult|=MF522_SO;MF522_SCK_LOW;delay_us(10); //STM32需要多加的延时时间。51的不需要加}MF522_NSS_HIGH;MF522_SCK_HIGH;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 i, ucAddr;unsigned char MF522_SI;MF522_SCK_LOW;MF522_NSS_LOW;ucAddr = ((Address<<1)&0x7E);for(i=8;i>0;i--){MF522_SI = ((ucAddr&0x80)==0x80);if(MF522_SI==0){MF522_SI_LOW;}if(MF522_SI==1){MF522_SI_HIGH;}MF522_SCK_HIGH;ucAddr <<= 1;MF522_SCK_LOW;delay_us(10); //STM32需要多加的延时时间。51的不需要加}for(i=8;i>0;i--){MF522_SI = ((value&0x80)==0x80);if(MF522_SI==0){MF522_SI_LOW;}if(MF522_SI==1){MF522_SI_HIGH;}MF522_SCK_HIGH;value <<= 1;MF522_SCK_LOW;delay_us(10); //STM32需要多加的延时时间。51的不需要加}MF522_NSS_HIGH;MF522_SCK_HIGH;
}/
//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25msdo {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);
}
3.RFID.H
#ifndef _RC522_H
#define _RC522_H
#include "board_init.h"
#include "delay.h"/
//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/
//和MF522通讯时返回的错误代码
/
#define MI_OK 0
#define MI_NOTAGERR (-1)
#define MI_ERR (-2)#define MF522_NSS_HIGH GPIO_WriteBit(GPIOF, GPIO_PIN_0, 1)
#define MF522_SCK_HIGH GPIO_WriteBit(GPIOF, GPIO_PIN_1, 1)
#define MF522_SI_HIGH GPIO_WriteBit(GPIOF, GPIO_PIN_2, 1)
#define MF522_RST_HIGH GPIO_WriteBit(GPIOF, GPIO_PIN_4, 1)#define MF522_SO GPIO_ReadInDataBit(GPIOF, GPIO_PIN_3)#define MF522_NSS_LOW GPIO_WriteBit(GPIOF, GPIO_PIN_0, 0)
#define MF522_SCK_LOW GPIO_WriteBit(GPIOF, GPIO_PIN_1, 0)
#define MF522_SI_LOW GPIO_WriteBit(GPIOF, GPIO_PIN_2, 0)
#define MF522_RST_LOW GPIO_WriteBit(GPIOF, GPIO_PIN_4, 0)/
//函数原型
/
char PcdReset(void);
void PcdAntennaOn(void);
void PcdAntennaOff(void);
char PcdRequest(unsigned char req_code,unsigned char *pTagType);
char PcdAnticoll(unsigned char *pSnr);
char PcdSelect(unsigned char *pSnr);
char PcdAuthState(unsigned char auth_mode,unsigned char addr,unsigned char *pKey,unsigned char *pSnr);
char PcdRead(unsigned char addr,unsigned char *pData);
char PcdWrite(unsigned char addr,unsigned char *pData);
char PcdValue(unsigned char dd_mode,unsigned char addr,unsigned char *pValue);
char PcdBakValue(unsigned char sourceaddr, unsigned char goaladdr);
char PcdHalt(void);
char PcdComMF522(unsigned char Command, unsigned char *pInData, unsigned char InLenByte,unsigned char *pOutData, unsigned int *pOutLenBit);
void CalulateCRC(unsigned char *pIndata,unsigned char len,unsigned char *pOutData);
void WriteRawRC(unsigned char Address,unsigned char value);
unsigned char ReadRawRC(unsigned char Address);
void SetBitMask(unsigned char reg,unsigned char mask);
void ClearBitMask(unsigned char reg,unsigned char mask);
void RC522_Init(void);
#endif
4.主函数
#include <stdint.h>
#include <stdio.h>
#include "board_init.h"
#include "QDTFT_demo.h"
#include "delay.h"
#include "GUI.h"
#include "Picture.h"
#include "Lcd_Driver.h"
#include "RC522.h"
#include "Timer1.h"unsigned char data1[16] = {0x12,0x34,0x56,0x78,0xED,0xCB,0xA9,0x87,0x12,0x34,0x56,0x78,0x01,0xFE,0x01,0xFE};
//M1卡的某一块写为如下格式，则该块为钱包，可接收扣款和充值命令
//4字节金额（低字节在前）＋4字节金额取反＋4字节金额＋1字节块地址＋1字节块地址取反＋1字节块地址＋1字节块地址取反
unsigned char data2[4] = {0,0,0,0x01};
unsigned char DefaultKey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}; unsigned char g_ucTempbuf[20];
extern unsigned char time;int main(void)
{unsigned char status,i;unsigned int temp;delay_init();BOARD_Init();Lcd_Init(); LCD_LED_SET;//通过IO控制背光亮Lcd_Clear(GRAY0);RC522_Init();PcdReset();PcdAntennaOff(); delay_ms(10);PcdAntennaOn();delay_ms(10);app_tim_init();Gui_DrawFont_GBK16(20,10,BLACK,GRAY0,"RC522 Test"); Gui_DrawFont_GBK16(20,30,BLACK,GRAY0,"Times: s"); while(1){ status = PcdRequest(PICC_REQALL, g_ucTempbuf);//寻卡if (status != MI_OK){ PcdReset();PcdAntennaOff(); PcdAntennaOn(); continue;} printf("卡的类型:");for(i=0;i<2;i++){temp=g_ucTempbuf[i];printf("%X",temp);} status = PcdAnticoll(g_ucTempbuf);//防冲撞if(status != MI_OK){ continue; }以下为超级终端打印出的内容printf("卡序列号："); //超级终端显示,for(i=0;i<4;i++){temp=g_ucTempbuf[i];printf("%X",temp);}//97379A8Aif(g_ucTempbuf[0]==0x97&&g_ucTempbuf[1]==0x37&&g_ucTempbuf[2]==0x9a&&g_ucTempbuf[3]==0x8a){led();GPIO_WriteBit(GPIOI, GPIO_PIN_0, 0);
// printf("oped door\r\n");Gui_DrawFont_GBK16(20,50,BLACK,GRAY0,"Open door..."); time=0;SG90_angle(45);}else{ GPIO_WriteBit(GPIOI, GPIO_PIN_0, 1); Gui_DrawFont_GBK16(20,30,BLACK,GRAY0," "); }///status = PcdSelect(g_ucTempbuf);//选定卡片if (status != MI_OK){ continue; }status = PcdAuthState(PICC_AUTHENT1A, 1, DefaultKey, g_ucTempbuf);//验证卡片密码if (status != MI_OK){ continue; }status = PcdWrite(1, data1);//写块if (status != MI_OK){ continue; }}}
三、实现结果
1.没有用卡识别时
2.用卡识别时，五秒后显示close door
四、总结
打算用ETH这个模块，不过发现官方只在用户手册中写了这部分，在mindsdk以及库函数中都没有这部分。希望官方后续能支持。
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