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udpthread.cpp
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/
udpthread.cpp
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#include "udpthread.h"
udpthread::udpthread(): flag(true)
{
address = QHostAddress("192.168.1.166");
port = 62618;
udp = new QUdpSocket;
udp->bind(QHostAddress::Any, port);
connect(udp, SIGNAL(readyRead()),
this, SLOT(recv()),Qt::DirectConnection);
}
udpthread::~udpthread()
{
flag = false;
if (udp!=NULL)
delete udp;
}
qint64 udpthread::send(const char *data, qint64 size,
const QHostAddress &address, quint16 port)
{
return udp->writeDatagram(data, size, address, port);
}
void udpthread::run()
{
QByteArray temp;
temp.resize(4);
temp.fill(0x00, 4);
int i = 0;
unsigned short broad = 0;
unsigned short channel = 0;
unsigned short parameter = 0;
unsigned int index = 0;
unsigned short cmd = 0;
while(flag) {
/* 设备信息 */
temp[1] = 0x10;
temp[3] = 0x11;
i = recv_data.indexOf(temp);
if (i > 0 && checkdata(recv_data.mid(i - 2, 136))) {
broad = (recv_data[i - 2] << 8) | recv_data[i - 1];
emit broadinfo(broad, recv_data.mid(i + 4, 128));
recv_data.remove(0, i + 134);
}
/* 配置信息 */
temp[1] = 0x11;
temp[3] = 0x00;
i = recv_data.indexOf(temp);
if (i > 0 && checkdata(recv_data.mid(i - 2, 8))) {
broad = (recv_data[i - 2] << 8) | recv_data[i - 1];
emit configinfo(broad);
recv_data.remove(0, i + 6);
}
/* adc通道实时信息 */
temp[1] = 0x14;
temp[3] = 0x00;
i = recv_data.indexOf(temp.mid(0, 2));
if (i > 0 && checkdata(recv_data.mid(i - 2, 525))) {
broad = (recv_data[i - 2] << 8) | recv_data[i - 1];
channel = (recv_data[i + 2] << 8) | recv_data[i + 3];
index = (recv_data[i + 4] << 24) | (recv_data[i + 5] << 16) |
(recv_data[i + 6] << 8) | recv_data[i + 7];
emit adcdata(broad, channel, index, recv_data.mid(i + 8, 512));
recv_data.remove(0, i + 523);
}
/* sd卡信息 */
temp[1] = 0x13;
temp[3] = 0x00;
i = recv_data.indexOf(temp.mid(0, 2));
if (i > 0 && checkdata(recv_data.mid(i - 2, 525))) {
broad = (recv_data[i - 2] << 8) | recv_data[i - 1];
parameter = (recv_data[i + 2] << 8) | recv_data[i + 3];
index = (recv_data[i + 4] << 24) | (recv_data[i + 5] << 16) |
(recv_data[i + 6] << 8) | recv_data[i + 7];
emit sddata(broad, parameter, index, recv_data.mid(i + 8, 512));
recv_data.remove(0, i + 523);
}
/* 固件下载起始应答 */
temp[1] = 0x20;
temp[3] = 0x00;
i = recv_data.indexOf(temp);
if (i > 0 && checkdata(recv_data.mid(i - 2, 18))) {
broad = (recv_data[i - 2] << 8) | recv_data[i - 1];
emit fireware_write_start_ack(broad);
recv_data.remove(0, i + 16);
}
/* 固件下载请求下一个包 */
temp[1] = 0x21;
temp[3] = 0x00;
i = recv_data.indexOf(temp);
if (i > 0 && checkdata(recv_data.mid(i - 2, 15))) {
broad = (recv_data[i - 2] << 8) | recv_data[i - 1];
index = (recv_data[i + 4] << 40) | (recv_data[i + 5] << 32) |
(recv_data[i + 6] << 24) | (recv_data[i + 7] << 16) |
(recv_data[i + 8] << 8) | (recv_data[i + 9]);
emit fireware_next_package_request(broad, index);
recv_data.remove(0, i + 13);
}
/* 固件下载重新请求包 */
temp[1] = 0x22;
temp[3] = 0x00;
i = recv_data.indexOf(temp);
if (i > 0 && checkdata(recv_data.mid(i - 2, 15))) {
broad = (recv_data[i - 2] << 8) | recv_data[i - 1];
index = (recv_data[i + 4] << 40) | (recv_data[i + 5] << 32) |
(recv_data[i + 6] << 24) | (recv_data[i + 7] << 16) |
(recv_data[i + 8] << 8) | (recv_data[i + 9]);
emit fireware_repeat_package_request(broad, index);
recv_data.remove(0, i + 13);
}
/* 错误信息 */
temp[1] = 0x50;
temp[3] = 0x00;
i = recv_data.indexOf(temp.mid(0, 2));
if (i > 0 && checkdata(recv_data.mid(i - 2, 8))) {
broad = (recv_data[i - 2] << 8) | recv_data[i - 1];
parameter = (recv_data[i + 2] << 8) | recv_data[i + 3];
emit error(broad, cmd);
recv_data.remove(0, i + 6);
}
}
quit();
}
void udpthread::recv()
{
while (udp->hasPendingDatagrams())
{
QByteArray datagram;
datagram.resize(udp->pendingDatagramSize());
udp->readDatagram(datagram.data(), datagram.size());
recv_data += datagram;
}
}
void udpthread::stop()
{
flag = false;
}
bool udpthread::checkdata(QByteArray data)
{
return true;
}