std::vector<double> read( void )
{
std::vector<double> data(2);
if (mbug_2820_read(dev, &data[0], &data[1]) < 0)
throw mbug::error("mbug_2820: read error.");
if (data[0]<=NOT_A_TEMPERATURE || data[1]<=NOT_A_TEMPERATURE)
throw mbug::error("mbug_2820: sensor error.");
return data;
}
int main( int argc, char* argv[] )
{
mbug_device thermometer = 0;
parse_options( argc, argv );
if (action==List)
{
// List all attached thermometers
int i;
mbug_device_list list = mbug_get_device_list(2820);
for (i=0; list[i]!=0; i++ ) {
puts(list[i]);
}
return 0;
}
if (action==Help)
{
puts(usage);
return 0;
}
// Open device
thermometer = mbug_2820_open( device_serial );
if (thermometer ==0 )
errorf("#### Error opening device.");
if (action==Read)
{
double tem, hum;
mbug_2820_read( thermometer, &tem, &hum );
printf( "%.2f,%.2f\n", tem, hum );
}
mbug_2820_close(thermometer);
return 0;
}
//------------------------------------------------------------------------------
// Read humidity only
double mbug_2820_read_humidity( mbug_device dev )
{
double humidity = -300;
mbug_2820_read(dev, 0, &humidity);
return humidity;
}
//------------------------------------------------------------------------------
// Read temperature only
double mbug_2820_read_temperature( mbug_device dev )
{
double temperature = -300;
mbug_2820_read(dev, &temperature, 0);
return temperature;
}
