void resetU6(uint8 res){
/*
Resets U3
*/
uint8 resetIn[4], resetOut[4];
long int ii=0, error=0;
for (ii=0; ii<4; ii++){
resetIn[ii]=0;
resetOut[ii]=0;
}
resetIn[1] = 0x99;
resetIn[2] = res;
resetIn[3] = 0x00;
resetIn[0] = normalChecksum8(resetIn,4);
if( (error = LJUSB_BulkWrite(hU6, U6_PIPE_EP1_OUT, resetIn, 4)) < 4){
LJUSB_BulkRead(hU6, U6_PIPE_EP2_IN, resetOut, 4);
printf("U6 Reset error: %s\n", errormsg[(int)resetOut[3]]);
closeUSBConnection(hU6);
return;
}
printf ("....U6 device reset \n");
return;
}
//Sends a StreamStop low-level command to stop streaming.
int StreamStop(HANDLE hDevice)
{
uint8 sendBuff[2], recBuff[4];
int sendChars, recChars;
sendBuff[0] = (uint8)(0xB0); //Checksum8
sendBuff[1] = (uint8)(0xB0); //Command byte
//Sending command to U6
sendChars = LJUSB_Write(hDevice, sendBuff, 2);
if( sendChars < 2 )
{
if( sendChars == 0 )
printf("Error : write failed (StreamStop).\n");
else
printf("Error : did not write all of the buffer (StreamStop).\n");
return -1;
}
//Reading response from U6
recChars = LJUSB_Read(hDevice, recBuff, 4);
if( recChars < 4 )
{
if( recChars == 0 )
printf("Error : read failed (StreamStop).\n");
else
printf("Error : did not read all of the buffer (StreamStop).\n");
return -1;
}
if( normalChecksum8(recBuff, 4) != recBuff[0] )
{
printf("Error : read buffer has bad checksum8 (StreamStop).\n");
return -1;
}
if( recBuff[1] != (uint8)(0xB1) || recBuff[3] != (uint8)(0x00) )
{
printf("Error : read buffer has wrong command bytes (StreamStop).\n");
return -1;
}
if( recBuff[2] != 0 )
{
printf("Errorcode # %d from StreamStop read.\n", (unsigned int)recBuff[2]);
return -1;
}
/*
//Reading left over data in stream endpoint. Only needs to be done with firmwares
//less than 0.94.
uint8 recBuffS[64];
int recCharsS = 64;
printf("Reading left over data from stream endpoint.\n");
while( recCharsS > 0 )
recCharsS = LJUSB_Stream(hDevice, recBuffS, 64);
*/
return 0;
}
//Sends a StreamStart low-level command to start streaming.
int StreamStart(HANDLE hDevice)
{
uint8 sendBuff[2], recBuff[4];
int sendChars, recChars;
sendBuff[0] = (uint8)(0xA8); //Checksum8
sendBuff[1] = (uint8)(0xA8); //Command byte
//Sending command to U6
sendChars = LJUSB_Write(hDevice, sendBuff, 2);
if( sendChars < 2 )
{
if( sendChars == 0 )
printf("Error : write failed.\n");
else
printf("Error : did not write all of the buffer.\n");
return -1;
}
//Reading response from U6
recChars = LJUSB_Read(hDevice, recBuff, 4);
if( recChars < 4 )
{
if( recChars == 0 )
printf("Error : read failed.\n");
else
printf("Error : did not read all of the buffer.\n");
return -1;
}
if( normalChecksum8(recBuff, 4) != recBuff[0] )
{
printf("Error : read buffer has bad checksum8 (StreamStart).\n");
return -1;
}
if( recBuff[1] != (uint8)(0xA9) || recBuff[3] != (uint8)(0x00) )
{
printf("Error : read buffer has wrong command bytes \n");
return -1;
}
if( recBuff[2] != 0 )
{
printf("Errorcode # %d from StreamStart read.\n", (unsigned int)recBuff[2]);
return -1;
}
return 0;
}
void normalChecksum(uint8 *b, int n)
{
b[0] = normalChecksum8(b,n);
}
void normalChecksum(std::array<unsigned char, MAXIMUM_BUFFER>* bytes, int count)
{
(*bytes)[0] = normalChecksum8(*bytes, count);
}
unsigned char extendedChecksum8(const std::array<unsigned char, MAXIMUM_BUFFER>& bytes)
{
return normalChecksum8(bytes, 6);
}
long ehSingleIO(HANDLE hDevice, uint8 inIOType, uint8 inChannel, uint8 inDirBipGainDACL, uint8 inStateResDACH, uint8 inSettlingTime, uint8 *outIOType, uint8 *outChannel, uint8 *outDirAINL, uint8 *outStateAINM, uint8 *outAINH)
{
uint8 sendBuff[8], recBuff[8];
int sendChars, recChars;
sendBuff[1] = (uint8)(0xA3); //command byte
sendBuff[2] = inIOType; //IOType
sendBuff[3] = inChannel; //Channel
sendBuff[4] = inDirBipGainDACL; //Dir/BipGain/DACL
sendBuff[5] = inStateResDACH; //State/Resolution/DACH
sendBuff[6] = inSettlingTime; //Settling time
sendBuff[7] = 0; //Reserved
sendBuff[0] = normalChecksum8(sendBuff, 8);
//Sending command to UE9
sendChars = LJUSB_BulkWrite(hDevice, UE9_PIPE_EP1_OUT, sendBuff, 8);
if(sendChars < 8)
{
if(sendChars == 0)
printf("SingleIO error : write failed\n");
else
printf("SingleIO error : did not write all of the buffer\n");
return -1;
}
//Reading response from UE9
recChars = LJUSB_BulkRead(hDevice, UE9_PIPE_EP1_IN, recBuff, 8);
if(recChars < 8)
{
if(recChars == 0)
printf("SingleIO error : read failed\n");
else
printf("SingleIO error : did not read all of the buffer\n");
return -1;
}
if((uint8)(normalChecksum8(recBuff, 8)) != recBuff[0])
{
printf("SingleIO error : read buffer has bad checksum\n");
return -1;
}
if(recBuff[1] != (uint8)(0xA3))
{
printf("SingleIO error : read buffer has wrong command byte\n");
return -1;
}
if(outIOType != NULL)
*outIOType = recBuff[2];
if(outChannel != NULL)
*outChannel = recBuff[3];
if(outDirAINL != NULL)
*outDirAINL = recBuff[4];
if(outStateAINM != NULL)
*outStateAINM = recBuff[5];
if(outAINH != NULL)
*outAINH = recBuff[6];
return 0;
}
int readIntTemp(int socketFD, ue9CalibrationInfo *caliInfo,
double *dblIntTemp)
{
uint8 sendBuff[8], recBuff[8];
int sendChars, recChars;
// double voltage;
double temperature; //in Kelvins
uint16 bytesTemperature;
uint8 ainResolution;
ainResolution = 12;
/* read temperature from internal temperature sensor */
sendBuff[1] = (uint8)(0xA3); //command byte
sendBuff[2] = (uint8)(0x04); //IOType = 4 (analog in)
sendBuff[3] = (uint8)(0x85); //Channel = 133 (tempSensor)
sendBuff[4] = (uint8)(0x00); //Gain = 1 (Bip does not apply)
sendBuff[5] = (uint8)(0x0C); //Resolution = 12
sendBuff[6] = (uint8)(0x00); //SettlingTime = 0
sendBuff[7] = (uint8)(0x00); //Reserved
sendBuff[0] = normalChecksum8(sendBuff, 8);
//Sending command to UE9
sendChars = send(socketFD, sendBuff, 8, 0);
if(sendChars < 8)
{
if(sendChars == -1)
goto sendError0;
else
goto sendError1;
}
//Receiving response from UE9
recChars = recv(socketFD, recBuff, 8, 0);
if(recChars < 8)
{
if(recChars == -1)
goto recvError0;
else
goto recvError1;
}
if((uint8)(normalChecksum8(recBuff, 8)) != recBuff[0])
goto chksumError;
if(recBuff[1] != (uint8)(0xA3))
goto commandByteError;
if(recBuff[2] != (uint8)(0x04))
goto IOTypeError;
if(recBuff[3] != (uint8)(0x85))
goto channelError;
bytesTemperature = recBuff[5] + recBuff[6] * 256;
//assuming high power level
if(binaryToCalibratedAnalogTemperature(caliInfo, 0, bytesTemperature,
&temperature) < 0)
return -1;
*dblIntTemp = temperature;
return 0;
//error printouts
sendError0:
printf("Error : send failed\n");
return -1;
sendError1:
printf("Error : did not send all of the buffer\n");
return -1;
recvError0:
printf("Error : recv failed\n");
return -1;
recvError1:
printf("Error : recv did not receive all of the buffer\n");
return -1;
chksumError:
printf("Error : received buffer has bad checksum\n");
return -1;
commandByteError:
printf("Error : received buffer has wrong command byte\n");
return -1;
IOTypeError:
printf("Error : received buffer has wrong IOType\n");
return -1;
channelError:
printf("Error : received buffer has wrong channel\n");
return -1;
}