RFID读写器二次开发资料源码,文档下载 -

#include "stm32f10x.h"
#include "Uart.h"
#define STATUS_OK 0x00
#define STATUS_ERR 0x01
unsigned char Uart1RxBuf[UART1_RX_BUF_LEN];
unsigned char Uart1RxDataConut = 0;
unsigned char Rx1Flag = 0;
unsigned char Uart2RxBuf[UART2_RX_BUF_LEN];
unsigned char Uart2RxDataConut = 0;
unsigned char Rx2Flag = 0;
unsigned char Cmd_Read_Id[8] = {0x01,0x08,0xa1,0x20,0x00,0x00,0x00,0x00};
unsigned char Cmd_Read_Block[8] = {0x01,0x08,0xa3,0x20,0x00,0x00,0x00,0x00};
unsigned char Cmd_Write_Block[23] = {0x01,0x17,0xa5,0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00};
unsigned char WBlockData[16] = {0x11,0x01,0x02,0x03,0x04,0x05,0x06,0x07,0x08,0x09,0x0a,0x0b,0x0c,0x0d,0x0e,0x0f};
//CircularBuffer *Uart2_Circular_Buffer;
//配置矢量中断，矢量的意思就是有顺序，有先后的意思。
void NVIC_Configuration(void)
{
NVIC_InitTypeDef NVIC_InitStructure1; //定义数据结构体
NVIC_InitTypeDef NVIC_InitStructure2; //定义数据结构体
NVIC_SetVectorTable(NVIC_VectTab_FLASH, 0x0);//将中断矢量放到Flash的0地址
NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);//设置优先级配置的模式，详情请阅读原材料中的文章
//使能串口1中断，并设置优先级
NVIC_InitStructure1.NVIC_IRQChannel = USART1_IRQn;
NVIC_InitStructure1.NVIC_IRQChannelPreemptionPriority = 1;
NVIC_InitStructure1.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure1.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure1); //将结构体丢到配置函数，即写入到对应寄存器中
//使能串口2中断，并设置优先级
NVIC_InitStructure2.NVIC_IRQChannel = USART2_IRQn;
NVIC_InitStructure2.NVIC_IRQChannelPreemptionPriority = 2;
NVIC_InitStructure2.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure2.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure2); //将结构体丢到配置函数，即写入到对应寄存器中
}
//延时，10000000大约为1S
void Delay(__IO unsigned int nCount)
{
for (; nCount != 0; nCount--);
}
//发送新封装的包
void Uart1_Send_Data(unsigned char *buf,unsigned char num)
{
unsigned char i;
for(i=0;i<num;i++)
{
USART_SendData(USART1, buf[i]);
while (USART_GetFlagStatus(USART1, USART_FLAG_TXE) == RESET);
}
}
void Uart2_Send_Data(unsigned char *buf,unsigned char num)
{
unsigned char i;
for(i=0;i<num;i++)
{
USART_SendData(USART2, buf[i]);
while (USART_GetFlagStatus(USART2, USART_FLAG_TXE) == RESET);
}
}
unsigned char RxCheckSum(unsigned char *ptr,unsigned char len)
{
unsigned char i;
unsigned char checksum;
checksum = 0;
for(i=0;i<(len-1);i++)
{
checksum ^= ptr[i];
}
checksum = ~checksum;
if(ptr[len-1] == checksum)
return STATUS_OK;
else
return STATUS_ERR;
}
void TxCheckSum(unsigned char *ptr,unsigned char len)
{
unsigned char i;
unsigned char checksum;
checksum = 0;
for(i=0;i<(len-1);i++)
{
checksum ^= ptr[i];
}
checksum = ~checksum;
ptr[len-1] = checksum;
}
//ReadId（）:读IC卡ID号（卡号）
//参数：*idout，读取的卡号保存到它所指向的存储空间
//返回值：0：成功读取卡号，1：读卡号失败
unsigned char ReadId(unsigned char *idout)
{
unsigned char status;
unsigned char i;
Cmd_Read_Id[5] = 0x01;//开启蜂鸣器提示
//Cmd_Read_Id[5] = 0x00;//关闭蜂鸣器提示
TxCheckSum(Cmd_Read_Id,Cmd_Read_Id[1]); //计算校验和
Uart2_Send_Data(Cmd_Read_Id,Cmd_Read_Id[1]); //发送读卡号ID命令
Delay(2000000);//等待模块返回数据，大于150MS
if(Rx2Flag == 1)
{
Rx2Flag = 0;
status = RxCheckSum(Uart2RxBuf,Uart2RxBuf[1]);//对接收到的数据校验
if(status != STATUS_OK) //判断校验和是否正确
{
return STATUS_ERR;
}
status = Uart2RxBuf[4];
if(status != STATUS_OK) //判断是否正确的读到卡
{
return STATUS_ERR;
}
if((Uart2RxBuf[0] == 0x01)&&(Uart2RxBuf[2] == 0xa1))//判断是否为读卡号返回的数据包
{
for(i=0;i<6;i++)//获取卡号ID，6字节
{
idout[i] = Uart2RxBuf[i+5];//从数组的第5个字节开始为卡号，长度为6字节
}
return STATUS_OK; //成功返回0
}
}
return STATUS_ERR; //失败返回1
}
//ReadId（）:读IC卡数据块
//参数：*idout，读取的数据保存到它所指向的存储空间
//参数：block，块号
//返回值：0：成功读取，1：读读取失败
unsigned char ReadDataFromBlock(unsigned char *dataout,unsigned char block)
{
unsigned char status;
unsigned char i;
Cmd_Read_Block[4] = block;
Cmd_Read_Block[5] = 0x01;//开启蜂鸣器提示
// Cmd_Read_Block[5] = 0x00;//关闭蜂鸣器提示
TxCheckSum(Cmd_Read_Block,Cmd_Read_Block[1]); //数据校验
Uart2_Send_Data(Cmd_Read_Block,Cmd_Read_Block[1]); //发送读数据块命令
Delay(2000000);//等待模块返回数据，大于150MS
if(Rx2Flag == 1)
{
Rx2Flag = 0;
status = RxCheckSum(Uart2RxBuf,Uart2RxBuf[1]);//对接收到的数据校验
if(status != STATUS_OK) //判断校验和是否正确
{
return STATUS_ERR;
}
status = Uart2RxBuf[4]; //获取返回包状态
if(status != STATUS_OK) //判断是否正确的读到卡
{
return STATUS_ERR;
}
if((Uart2RxBuf[0] == 0x01)&&(Uart2RxBuf[2] == 0xa3))//判断是否为读块数据返回的数据包
{
for(i=0;i<16;i++)//获取块数据，16字节，一个数据块的大小为16字节
{
dataout[i] = Uart2RxBuf[i+5];//从数组的第5个字节开始为数据，长度为16字节
}
return STATUS_OK; //成功返回0
}
}
return STATUS_ERR; //失败返回1
}
//ReadId（）:写数据到指定的数据块
//参数：*idout，指向要写入数据的缓冲区
//参数：block，块号
//返回值：0：写入成功，1：写入失败
unsigned char WriteDataToBlock(unsigned char *datain,unsigned char block)
{
unsigned char status;
unsigned char i;
Cmd_Write_Block[4] = block;
for(i=0;i<16;i++)
{
Cmd_Write_Block[6+i] = datain[i];
}
TxCheckSum(Cmd_Write_Block,Cmd_Write_Block[1]); //数据校验
Uart2_Send_Data(Cmd_Write_Block,Cmd_Write_Block[1]); //发送写命令
Delay(2000000);//等待模块返回数据，大于150MS
if(Rx2Flag == 1)
{
Rx2Flag = 0;
status = RxCheckSum(Uart2RxBuf,Uart2RxBuf[1]);//对返回的数据进行校验
if(status != STATUS_OK) //判断校验是否通过
{
return STATUS_ERR;
}
status = Uart2RxBuf[4];
if(status != STATUS_OK) //判断校验是否通过
{
return STATUS_ERR;
}
if((Uart2RxBuf[0] == 0x01)&&(Uart2RxBuf[2] == 0xa4))//判断是否为写块数据返回的数据包
{
return STATUS_OK; //成功返回0
}
}
return STATUS_ERR; //失败返回1
}
int main(void)
{
//串口2连接读卡器
//串口1连接上位机
unsigned char status;
unsigned char id[6];
unsigned char blockdata[16];
SystemInit(); //初始化系统
NVIC_Configuration(); //初始化相关中断
COM1_2_Init(); //初始化UART1,UART2
Rx1Flag = 0;
Rx2Flag = 0;
Uart1RxDataConut = 0;
Uart2RxDataConut = 0;
while(1)
{
/*************调用读卡号函数ReadId（）将卡号ID读入到指定的缓冲区id中************************************/
status = ReadId(id); //读卡号
if(status == STATUS_OK) //判断读卡号是否成功，等于0成功
{
Uart1_Send_Data(id,6); //从串口1把读取到的卡号发送出去
}
else
{
;//错误处理
}
/*********************************************************************************************************/
Delay(20000000);//延时
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