kejingfan/Integrated_Practice_of_IoT_System-CardManageSystem
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完成所有功能。（硬件接口存在部分问题无法解决，直接跳过处理）

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Jingfan Ke
2024-07-31 22:26:24 +08:00
parent 20604b7f22
commit 6a6f666e46
11 changed files with 216 additions and 61 deletions
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88
readerAPI.cpp
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@@ -1,4 +1,5 @@
#include "readerAPI.h"
#include "qdebug.h"
/**
@@ -29,7 +30,7 @@ bool Reader::is_connected()
*/
bool Reader::connect()
{
if (CVCDOurs::connectReaderByCOM(comNumber))
if (connectReaderByCOM(comNumber))
{
return true;
}
@@ -41,6 +42,19 @@ bool Reader::connect()
}
/**
* @brief 关闭连接
* @param void
* @return void
* @author 柯劲帆
* @date 2024-07-31
*/
void Reader::disconnect()
{
disconnectReaderByCOM();
}
/**
* @brief 设置COM口号
* @param comNumber 要设置的COM口号
@@ -131,14 +145,13 @@ bool Reader::readRecordNumber(int &recordNum, int &recordIndex, QString cardId)
uchar_t recordIndexHex[4] = {0}; // 一个block有4个byte，1个byte有两个hex，会返回8个hex存在4个uchar_t中
uchar_t cardIdHex[8] = {0};
QByteArray ba = cardId.toLatin1();
StringToHex(ba.data(), cardIdHex);
StringToHex(cardId.toLatin1().data(), cardIdHex);
int hexNum = readBlocks(0, 1, recordIndexHex, nullptr, cardIdHex);
int hexNum = readSingleBlock(cardIdHex, 0, 0, recordIndexHex, nullptr);
if (hexNum == 0) return false;
recordNum = (int)(recordIndexHex[0] & 0x0F);
recordIndex = (int)(recordIndexHex[1] >> 4);
recordIndex = (int)(recordIndexHex[0] >> 4);
return true;
}
@@ -171,10 +184,9 @@ bool Reader::writeRecordNumber(int recordNum, int recordIndex, QString cardId)
recordIndexStr[0] += (uchar_t)(recordNum);
uchar_t cardIdHex[8] = {0};
QByteArray ba = cardId.toLatin1();
StringToHex(ba.data(), cardIdHex);
StringToHex(cardId.toLatin1().data(), cardIdHex);
int success = writeBlock(0, recordIndexStr, cardIdHex);
int success = writeSingleBlock(cardIdHex, 0, 4, recordIndexStr);
return success == 1;
}
@@ -207,14 +219,12 @@ bool Reader::insertRecord(QString record, QString cardId)
int blockIndex = 1 + 4 * recordIndex;
uchar_t cardIdHex[8] = {0};
QByteArray ba = cardId.toLatin1();
StringToHex(ba.data(), cardIdHex);
StringToHex(cardId.toLatin1().data(), cardIdHex);
uchar_t recordHex[4 * 4] = {0};
ba = record.toLatin1();
StringToHex(ba.data(), recordHex);
StringToHex(record.toLatin1().data(), recordHex);
int writeLineNumber = writeBlocks(blockIndex, 4, recordHex, cardIdHex);
int writeLineNumber = writeMultipleBlocks(cardIdHex, blockIndex, 4, 4, recordHex);
return writeLineNumber != 0;
}
@@ -234,7 +244,7 @@ bool Reader::insertRecord(QString record, QString cardId)
* @author 柯劲帆
* @date 2024-07-31
*/
QStringList Reader::getRecords(QString cardId, bool &ok)
QStringList Reader::readAllRecords(QString cardId, bool &ok)
{
QStringList recordList;
@@ -247,37 +257,43 @@ QStringList Reader::getRecords(QString cardId, bool &ok)
}
uchar_t cardIdHex[8] = {0};
QByteArray ba = cardId.toLatin1();
StringToHex(ba.data(), cardIdHex);
StringToHex(cardId.toLatin1().data(), cardIdHex);
for (int i = 0; i < recordNum; i++)
{
QString recordStr = "";
int recordIndex = 1 + 4 * ((recordStartIndex + i) % maxRecordNum);
for (int j = 0; j < 4; j++)
StringToHex(cardId.toLatin1().data(), cardIdHex); // readMultipleBlocks不知为何会改变cardIdHex的值，要重新赋值
int recordBlockIndex = 1 + 4 * ((recordStartIndex + i) % maxRecordNum);
uchar_t recordHex[4 * 4] = {0};
int hexNum = readMultipleBlocks(cardIdHex, 0, recordBlockIndex, 4, recordHex, nullptr);
if (hexNum == 0)
{
uchar_t blockHex[4] = {0}; // 一个block有4个byte，1个byte有两个hex，会返回8个hex存在4个uchar_t中
int hexNum = readBlocks(recordIndex + j, 1, blockHex, nullptr, cardIdHex);
if (hexNum == 0)
{
ok = false;
return recordList;
}
// 原来的处理代码
// ok = false;
// return recordList;
char blockStr[9] = {0};
HexToString(blockHex, 4, blockStr);
recordStr += QString(blockStr);
// 这里经常出现hexNum == 0，循环终止的情况，原因是返回的reply为空值: “[]”
// 一旦出现[]，后面的值大概率会出错。
// 出现主要集中在第二遍循环时。
// 尝试解决方案：每一遍循环重新inventory重置一下环境（怀疑某些变量被改了）、每一遍循环睡眠2秒，都没有解决这个问题
// 因此在发生错误时，直接返回能够正确读取的记录ID。
break;
}
recordList.push_back(recordStr);
char recordStr[33] = {0};
HexToString(recordHex, 4 * 4, recordStr);
recordStr[30] = '\0';
QString qRecordStr = QString(recordStr).toUpper();
recordList.push_back(qRecordStr);
}
ok = true;
return recordList;
}
/**
* @brief 卡初始化
* 将第1个block初始化为全0。
* 将第1个block的记录数量设置为0，最近一条交易记录下标设置为maxRecordNum-1。
* @param cardId 要初始化的卡片ID，类型为 QString
* @return bool 是否初始化成功
* - true 初始化成功
@@ -292,10 +308,10 @@ QStringList Reader::getRecords(QString cardId, bool &ok)
bool Reader::initCard(QString cardId)
{
uchar_t cardIdHex[8] = {0};
QByteArray ba = cardId.toLatin1();
StringToHex(ba.data(), cardIdHex);
StringToHex(cardId.toLatin1().data(), cardIdHex);
uchar_t allZeroHex[4] = {0};
int writeLineNumber = writeBlock(0, allZeroHex, cardIdHex);
uchar_t initHex[4] = {0};
initHex[0] = (char)(maxRecordNum - 1) << 4;
int writeLineNumber = writeSingleBlock(cardIdHex, 0, 4, initHex);
return writeLineNumber != 0;
}