156 lines
4.9 KiB
C++
156 lines
4.9 KiB
C++
#include "drv_uart.h"
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#include <QDateTime>
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#include <QDebug> // 用于调试输出
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#include <QThread>
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DRV_Uart::DRV_Uart(QObject *parent)
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: QObject(parent) // 假设有8个通道
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{
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}
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DRV_Uart::~DRV_Uart()
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{
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}
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// 枚举当前的所有UART设备：返回搜索到的设备数目
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ULONG DRV_Uart::Uart_enumDevice()
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{
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ULONG i;
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mDeviceInforS DevInfor = {0};
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// 当前设备数目清零
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this->m_DRV_Uart_Infors.ulDevCnt = 0;
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// 依次搜索设备
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for(i=0;i<16;i++)
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{
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// 打开设备
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if(CH347Uart_Open(i) != INVALID_HANDLE_VALUE)
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{
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// 获取设备信息
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CH347Uart_GetDeviceInfor(i,&DevInfor);
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// 格式化设备名称
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sprintf(this->m_DRV_Uart_Infors.bDeviceName[this->m_DRV_Uart_Infors.ulDevCnt], "%d# %s", i,DevInfor.FuncDescStr);
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// 输出设备名称
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DbgPrint("UART:%s.", this->m_DRV_Uart_Infors.bDeviceName[this->m_DRV_Uart_Infors.ulDevCnt]);
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// copy设备信息至SpiI2cDevInfor结构体
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memcpy(&this->m_DRV_Uart_Infors.UartDevInfor[this->m_DRV_Uart_Infors.ulDevCnt], &DevInfor,sizeof(DevInfor));
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// 设备数量自增
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this->m_DRV_Uart_Infors.ulDevCnt++;
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}
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// 关闭设备
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CH347CloseDevice(i);
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}
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return this->m_DRV_Uart_Infors.ulDevCnt;
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}
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//打开设备
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BOOL DRV_Uart::Uart_openDevice(ULONG UartIndex)
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{
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// 判断设备的索引是否在正确的范围内，否则直接跳出
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if((this->m_DRV_Uart_Infors.ulDevCnt == 0) || (UartIndex >= this->m_DRV_Uart_Infors.ulDevCnt))
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{
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DbgPrint("Failed to open the device. Please refresh device first!");
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return FALSE;
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}
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// 打开串口设备
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this->m_DRV_Uart_Infors.devIsOpened = (CH347Uart_Open(UartIndex) != INVALID_HANDLE_VALUE);
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// 判断是否打开成功
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if(this->m_DRV_Uart_Infors.devIsOpened){
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// 设置当前的设备索引号
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this->m_DRV_Uart_Infors.opendDevIndex = UartIndex;
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// 设置默认的延迟时间
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CH347Uart_SetTimeout(UartIndex,500,500);
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// 设置接收和发送线程
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// StopTxThread = FALSE;
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// StopRxThread = FALSE;
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}
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// 显示日志信息
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DbgPrint(">>%d#Open Device...%s",UartIndex,this->m_DRV_Uart_Infors.devIsOpened?"Success":"Failed");
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return this->m_DRV_Uart_Infors.devIsOpened;
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}
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//关闭设备
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BOOL DRV_Uart::Uart_closeDevice()
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{
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// 设置接收和发送线程
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// StopTxThread = TRUE;
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// StopRxThread = TRUE;
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// 判断是否打开成功
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if(this->m_DRV_Uart_Infors.devIsOpened){
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Sleep(300);
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CH347Uart_Close(this->m_DRV_Uart_Infors.opendDevIndex);
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this->m_DRV_Uart_Infors.devIsOpened = FALSE;
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DbgPrint(">>%d#Close device",this->m_DRV_Uart_Infors.opendDevIndex);
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}
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return TRUE;
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}
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//设置串口参数
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BOOL DRV_Uart::Uart_setPara(ULONG Baudrate, UCHAR StopBits, UCHAR Parity, UCHAR DataSize, UCHAR Timeout)
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{
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BOOL RetVal = FALSE;
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if(this->m_DRV_Uart_Infors.devIsOpened){
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RetVal = CH347Uart_Init(this->m_DRV_Uart_Infors.opendDevIndex,Baudrate,DataSize,Parity,StopBits,Timeout);
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DbgPrint("Uart_Set %s,Baudrate:%d,DataSize:%d,Parity:%d,StopBits:%d,Timeout:%d",RetVal?"succ":"failure",
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Baudrate,DataSize,Parity,StopBits,Timeout);
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}
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return RetVal;
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}
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//串口发送数据
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BOOL DRV_Uart::Uart_Write(QByteArray &sendData)
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{
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// 获取数据包的长度
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ULONG OutLen = sendData.length();
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// 将QByteArray转化为UCHAR
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const UCHAR *OutBuf = reinterpret_cast<const unsigned char*>(sendData.constData());
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BOOL RetVal = FALSE;
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// 调用底层串口发送函数发送数据
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RetVal = CH347Uart_Write(this->m_DRV_Uart_Infors.opendDevIndex, (UCHAR *)OutBuf, &OutLen);
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// 日志窗口输出调试信息
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DbgPrint("frame:%d,Uart_Write %dBytes %s.",sendData.at(14), OutLen,RetVal?"succ":"failure");
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return RetVal;
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}
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//读取串口缓冲区数据大小
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LONGLONG DRV_Uart::Uart_readRxBufcnt(void)
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{
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LONGLONG rxBufSize = 0;
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BOOL RetVal = FALSE;
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// 调用底层串口接收数据缓冲区的大小
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RetVal = CH347Uart_QueryBufUpload(this->m_DRV_Uart_Infors.opendDevIndex, &rxBufSize);
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// 日志窗口输出调试信息
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DbgPrint("read uart rx buf count:%d.", rxBufSize, RetVal?"succ":"failure");
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return rxBufSize;
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}
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BOOL DRV_Uart::Uart_Read(QByteArray &revData)
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{
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ULONG InLen = 4096; // 设置读取的长度，读取完后会将该值赋值为真实的长度
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UCHAR InBuf[4096] = {0x00};
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BOOL RetVal = FALSE;
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// 读取串口数据
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RetVal = CH347Uart_Read(this->m_DRV_Uart_Infors.opendDevIndex,InBuf,&InLen);
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DbgPrint("CH347Uart_Read %dB %s.",InLen,RetVal?"succ":"failure");
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if(RetVal)
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{
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//将数据存入revData变量中，返回给调用的函数
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revData = QByteArray::fromRawData(reinterpret_cast<const char*>(InBuf), InLen);
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}
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return RetVal;
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}
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