基于STM32的RFID模块简单应用_stm32rfid

#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

/
//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)

//
//端口定义
/
//MFRC522
#define MF522_RST_PIN GPIO_Pin_12
#define MF522_RST_PORT GPIOA
#define MF522_RST_CLK RCC_APB2Periph_GPIOA

#define MF522_MISO_PIN GPIO_Pin_11
#define MF522_MISO_PORT GPIOA
#define MF522_MISO_CLK RCC_APB2Periph_GPIOA

#define MF522_MOSI_PIN GPIO_Pin_8
#define MF522_MOSI_PORT GPIOA
#define MF522_MOSI_CLK RCC_APB2Periph_GPIOA

#define MF522_SCK_PIN GPIO_Pin_14
#define MF522_SCK_PORT GPIOB
#define MF522_SCK_CLK RCC_APB2Periph_GPIOB

#define MF522_NSS_PIN GPIO_Pin_12
#define MF522_NSS_PORT GPIOB
#define MF522_NSS_CLK RCC_APB2Periph_GPIOB

//指示灯
#define LED_PIN GPIO_Pin_0
#define LED_PORT GPIOB
#define LED_CLK RCC_APB2Periph_GPIOB

#define RST_H GPIO_SetBits(MF522_RST_PORT, MF522_RST_PIN)
#define RST_L GPIO_ResetBits(MF522_RST_PORT, MF522_RST_PIN)
#define MOSI_H GPIO_SetBits(MF522_MOSI_PORT, MF522_MOSI_PIN)
#define MOSI_L GPIO_ResetBits(MF522_MOSI_PORT, MF522_MOSI_PIN)
#define SCK_H GPIO_SetBits(MF522_SCK_PORT, MF522_SCK_PIN)
#define SCK_L GPIO_ResetBits(MF522_SCK_PORT, MF522_SCK_PIN)
#define NSS_H GPIO_SetBits(MF522_NSS_PORT, MF522_NSS_PIN)
#define NSS_L GPIO_ResetBits(MF522_NSS_PORT, MF522_NSS_PIN)
#define READ_MISO GPIO_ReadInputDataBit(MF522_MISO_PORT, MF522_MISO_PIN)
#define LED_ON GPIO_SetBits(LED_PORT, LED_PIN)
#define LED_OFF GPIO_ResetBits(LED_PORT, LED_PIN)
/
//函数原型
/

#define TRUE 1
#define FALSE 0

void RFID_GPIO