public async Task <bool> WriteRegsAsync(UInt16 reg_addr, params byte[] data)
{
byte[] buf = new byte[12 + data.Length];
_cmd = 0x0b;
buf[0] = 0x5a;
buf[1] = 0xa5;
buf[2] = (byte)(buf.Length / 256);
buf[3] = (byte)(buf.Length & 0xff);
buf[4] = _cmd;
buf[5] = _target;
buf[6] = (byte)(reg_addr >> 8);
buf[7] = (byte)(reg_addr & 0xff);
buf[8] = (byte)(data.Length >> 8);
buf[9] = (byte)(data.Length & 0xff);
for (int i = 0; i < data.Length; i++)
{
buf[10 + i] = data[i];
}
bool b;
UInt16 CRC = HWCommandAnalyzer.CalcCRC16(0X0000, buf, buf.Length - 2);
buf[buf.Length - 2] = (byte)(CRC >> 8);
buf[buf.Length - 1] = (byte)(CRC & 0xff);
_sbp.Send_Data(_channel, buf, buf.Length);
b = await Task.Run <bool>(new Func <bool>(waitwriteresponse));;
if (b)
{
return(true);
}
else
{
return(false);
}
}
public void OnResponseArrival(byte[] dataBuffer, int length)
{
UInt16 crc = HWCommandAnalyzer.CalcCRC16(0, dataBuffer, dataBuffer.Length - 2);
if (dataBuffer[dataBuffer.Length - 2] * 256 + dataBuffer[dataBuffer.Length - 1] != crc)
{
return;
}
if (_cmd == (byte)~dataBuffer[4])
{
if (_cmd == 0x0b)
{
_wr_event.Set();
}
if (_cmd == 0x0c)
{
int size = dataBuffer[8] * 256 + dataBuffer[9];
_readbuf = new byte[size];
for (int i = 0; i < size; i++)
{
_readbuf[i] = dataBuffer[10 + i];
}
_rd_event.Set();
}
}
else if (~dataBuffer[4] == 0x15)
{
// 通知信息到
RxNotifyArrival?.Invoke(dataBuffer[6], dataBuffer[8]);
}
}
public async Task <bool> ReadRegsAsync(UInt16 reg_addr, byte[] data)
{
byte[] buf = new byte[12 + data.Length];
_cmd = 0x0c;
/* 生成读数据帧 */
buf[0] = 0x5a;
buf[1] = 0xa5;
buf[2] = (byte)(buf.Length / 256);
buf[3] = (byte)(buf.Length & 0xff);
buf[4] = _cmd;
buf[5] = _target;
buf[6] = (byte)(reg_addr >> 8);
buf[7] = (byte)(reg_addr & 0xff);
buf[8] = (byte)(data.Length >> 8);
buf[9] = (byte)(data.Length & 0xff);
UInt16 CRC = HWCommandAnalyzer.CalcCRC16(0X0000, buf, buf.Length - 2);
buf[buf.Length - 2] = (byte)(CRC >> 8);
buf[buf.Length - 1] = (byte)(CRC & 0xff);
/*发送数据帧*/
_sbp.Send_Data(_channel, buf, buf.Length);
/*启动应答等待任务*/
Task <bool> task = new Task <bool>(new Func <bool>(waitreadresponse));
task.Start();
/*等待任务完成返回*/
bool b = await task;
if (b) //结果位True,收到应答帧
{
if (_readbuf.Length != data.Length)
{
b = false;
}
else
{
_readbuf.CopyTo(data, 0);
}
}
else //结果为False,没有收到应答帧
{
}
return(b);
}