/*
* The Spectral LMM5 has a silly difference between USB and serial communication:
* Commands can be sent straight to USB. Commands to the serial port need to converted in some kind of weird ASCI: The command "0x1A0xFF0x000x12<CR>" becomes "1AFF0012<CR>". Presumably, the same weird conversion takes place on the way back. We handle this translation in this function
*/
int SpectralLMM5Interface::ExecuteCommand(MM::Device& device, MM::Core& core, unsigned char* buf, unsigned long bufLen, unsigned char* answer, unsigned long answerLen, unsigned long& read)
{
int ret;
if (portType_ == MM::SerialPort)
{
std::string serialCommand;
char tmp[3];
tmp[2] = 0;
for (unsigned long i=0; i<bufLen; i++) {
sprintf(tmp, "%.2x", buf[i]);
serialCommand += tmp;
}
ret = core.SetSerialCommand(&device, port_.c_str(), serialCommand.c_str(), "\r");
} else // check for USB port
{
ret = core.WriteToSerial(&device, port_.c_str(), buf, bufLen);
}
if (ret != DEVICE_OK)
return ret;
if (portType_ == MM::SerialPort)
{
char strAnswer[128];
read = 0;
ret = core.GetSerialAnswer(&device, port_.c_str(), 128, strAnswer, "\r");
if (ret != DEVICE_OK)
return ret;
std::ostringstream os;
os << "LMM5 answered: " << strAnswer << " Port status: " << ret;
core.LogMessage(&device, os.str().c_str(), true);
// 'translate' back into numbers:
std::string tmp = strAnswer;
for (unsigned int i=0; i < tmp.length()/2; i++) {
char * end;
long j = strtol(tmp.substr(i*2,2).c_str(), &end, 16);
answer[i] = (unsigned char) j;
read++;
}
} else if (portType_ == MM::HIDPort)
{
// The USB port will attempt to read up to answerLen characters
ret = core.ReadFromSerial(&device, port_.c_str(), answer, answerLen, read);
if (ret != DEVICE_OK)
return ret;
/*
// Uncomment for debugging (although port should give the same info)
std::ostringstream os;
os << "LMM5 answered: " << std::hex << std::setfill('0');
for (unsigned int i=0; i < read; i++)
os << std::setw(2) << (unsigned int) answer[i] << " ";
core.LogMessage(&device, os.str().c_str(), true);
*/
}
return DEVICE_OK;
}
/*
* The Spectral LMM5 has a silly difference between USB and serial communication:
* Commands can be sent straight to USB. Commands to the serial port need to converted in some kind of weird ASCI: The command "0x1A0xFF0x000x12<CR>" becomes "1AFF0012<CR>". Presumably, the same weird conversion takes place on the way back. We handle this translation in this function
*/
int SpectralLMM5Interface::ExecuteCommand(MM::Device& device, MM::Core& core, unsigned char* buf, unsigned long bufLen, unsigned char* answer, unsigned long answerLen, unsigned long& read)
{
int ret;
if (portType_ == MM::SerialPort)
{
std::string serialCommand;
char tmp[3];
tmp[2] = 0;
for (unsigned long i=0; i<bufLen; i++) {
sprintf(tmp, "%.2x", buf[i]);
serialCommand += tmp;
}
ret = core.SetSerialCommand(&device, port_.c_str(), serialCommand.c_str(), "\r");
} else // check for USB port
{
unsigned char c[2];
c[0]=0x01;
c[1]=0x02;
ret = core.WriteToSerial(&device, port_.c_str(), c, 2);
//ret = core.WriteToSerial(&device, port_.c_str(), buf, bufLen);
}
if (ret != DEVICE_OK)
return ret;
if (portType_ == MM::SerialPort)
{
char strAnswer[128];
read = 0;
ret = core.GetSerialAnswer(&device, port_.c_str(), 128, strAnswer, "\r");
if (ret != DEVICE_OK)
return ret;
std::ostringstream os;
os << "LMM5 answered: " << strAnswer << " Port status: " << ret;
core.LogMessage(&device, os.str().c_str(), true);
// 'translate' back into numbers:
std::string tmp = strAnswer;
for (unsigned int i=0; i < tmp.length()/2; i++) {
char * end;
long j = strtol(tmp.substr(i*2,2).c_str(), &end, 16);
answer[i] = (unsigned char) j;
// printf("c:%x i:%u j:%ld\n", answer[i], i, j);
read++;
}
} else // TODO: check that we have a USB port
{
// The USB port will attempt to read up to answerLen characters
ret = core.ReadFromSerial(&device, port_.c_str(), answer, answerLen, read);
if (ret != DEVICE_OK)
return ret;
std::ostringstream os;
os << "LMM5 answered: ";
for (unsigned int i=0; i < read; i++)
os << std::hex << answer[i];
os << std::endl;
core.LogMessage(&device, os.str().c_str(), true);
}
return DEVICE_OK;
}
/*
* The LMM5 USB HID commands are a sequence of binary bytes with no terminator.
* The serial commands are the same bytes formatted as an ASCII hex string, two
* characters per byte, and terminated with a CR; e.g.:
* USB: "\x1a\xff\x00\x12" (4 bytes)
* RS-232: "1AFF0012\r" (9 bytes)
* The opposite transformation takes place for the reply.
*
* This function abstracts these differences. Note that the exact answerLen is
* important for USB HID: reading excess bytes can result in garbage being
* appended to the reply (at least on Windows).
*/
int SpectralLMM5Interface::ExecuteCommand(MM::Device& device, MM::Core& core, unsigned char* buf, unsigned long bufLen, unsigned char* answer, unsigned long answerLen, unsigned long& read)
{
int ret;
if (portType_ == MM::SerialPort)
{
std::string serialCommand;
char tmp[3];
tmp[2] = 0;
for (unsigned long i=0; i<bufLen; i++) {
sprintf(tmp, "%.2x", buf[i]);
serialCommand += tmp;
}
ret = core.SetSerialCommand(&device, port_.c_str(), serialCommand.c_str(), "\r");
} else // check for USB port
{
ret = core.WriteToSerial(&device, port_.c_str(), buf, bufLen);
}
if (ret != DEVICE_OK)
return ret;
if (portType_ == MM::SerialPort)
{
char strAnswer[128];
read = 0;
ret = core.GetSerialAnswer(&device, port_.c_str(), 128, strAnswer, "\r");
if (ret != DEVICE_OK)
return ret;
// 'translate' back into numbers:
std::string tmp = strAnswer;
for (unsigned int i=0; i < tmp.length()/2; i++) {
char * end;
long j = strtol(tmp.substr(i*2,2).c_str(), &end, 16);
answer[i] = (unsigned char) j;
read++;
}
} else if (portType_ == MM::HIDPort)
{
// The USB port will attempt to read up to answerLen characters
ret = core.ReadFromSerial(&device, port_.c_str(), answer, answerLen, read);
if (ret != DEVICE_OK)
return ret;
}
return DEVICE_OK;
}
/*
* Change command level, 65 = high command set, 66 = low command set
*/
int changeCommandLevel(MM::Device& device, MM::Core& core, const char* commandLevel)
{
int level;
if (strcmp(commandLevel, g_CommandLevelHigh) == 0)
level = 65;
else if (strcmp(commandLevel, g_CommandLevelLow) == 0)
level = 66;
else
return ERR_INVALID_COMMAND_LEVEL;
if (port_ == "")
return ERR_NO_CONTROLLER;
const unsigned cmdLen = 2;
unsigned char cmd[cmdLen];
cmd[0] = (unsigned)255;
cmd[1] = (unsigned char)level;
int ret = core.WriteToSerial(&device, port_.c_str(), cmd, cmdLen);
if (ret !=DEVICE_OK)
return ret;
return DEVICE_OK;
}
