/// <summary>
/// Raise event telling rest of program that a command was received over the serial port
/// </summary>
/// <param name="strCommand">Command text (format is x:[xxxx...])</param>
/// <returns>true if command was handled by one of the event recipients</returns>
private bool raiseCommand(string strCommand)
{
if (Command == null)
{
// there are no event handlers out there
return false;
}
CommandArgs args = new CommandArgs(strCommand);
// raise event using Command delegate
Command(this, args);
return args.blnHandled;
}
static void uart_Command(object sender, CommandArgs e)
{
try
{
Debug.Print("in uart_Command: " + e.StrCommand);
char command = e.StrCommand[0];
string[] strParts;
if (command == 'B')
{
if (lcd != null)
{
bytBrightness = byte.Parse(e.StrCommand.Substring(2));
lcd.SetBrightness(bytBrightness);
blnManualBrightness = true; // ignore pot setting
byte value = bytBrightness;
if (bytBrightness < 255)
value += 1; // add 1, since 0 value means not saved
SaveSettingToEEPROM(ADDR_LCD_BRITE, (byte)(value));
}
e.blnHandled = true;
}
else if (command == 'F')
{
if (e.StrCommand[2] == 'F')
{
blnFahr = true;
SaveSettingToEEPROM(ADDR_TEMP_FORMAT, 1);
}
else
{
blnFahr = false;
SaveSettingToEEPROM(ADDR_TEMP_FORMAT, 2);
}
// update Temperature right away so user knows it worked
displayTemperature(null);
e.blnHandled = true;
}
// backlight L:ON|OFF
else if (command == 'L')
{
if (e.StrCommand.Substring(2).ToUpper() == "ON")
{
blnBacklight = true;
lcd.SetBacklight(true);
}
else
{
blnBacklight = false;
lcd.SetBacklight(false);
}
e.blnHandled = true;
// turn light on +:hh:mm
}
else if (command == '+')
{
e.blnHandled = setLightTime(e.StrCommand.Substring(2), true);
// if Light On time manually set, then always use it, not sunset
blnLightOnAtSunset = false;
//TODO - save to EEPROM
}
// turn light on +:hh:mm
else if (command == '-')
{
e.blnHandled = setLightTime(e.StrCommand.Substring(2), false);
//TODO - save to EEPROM
}
else if (command == 'D')
{
blnDateSet = true;
// set default light timer if date and time have been set for the first time
setDefaultTimers();
}
else if (command == 'T')
{
blnTimeSet = true;
// set default light timer if date and time have been set for the first time
setDefaultTimers();
}
else if (command == 'H')
{
// got humidity and temperature via Arduino
// format is H:nn.n;nn.n, where 1st reading is humidity and 2nd is temperature
strParts = e.StrCommand.Split(new char[] { ';', ':' });
strHumidity = strParts[1];
blnHumidityUpdated = true;
strTempDHT11 = strParts[2];
blnTempUpdated = true;
datlastArduinoRead = DateTime.Now;
}
else if (command == 'S')
{
// setting loaded from EEPROM
// format is S:<address>,<value>, where address is the EEPROM address (1-255) and value is the value stored
// in that address (0-255)
strParts = e.StrCommand.Substring(2).Split(new char[] {','});
byte addr = Byte.Parse(strParts[0]);
byte value = Byte.Parse(strParts[1]);
if (value > 0) // our values are always > 0, so 0 means setting has never been saved
{
handleSetting(addr, value);
}
}
}
catch (Exception ex)
{
// catch and release
Debug.Assert(false);
Debug.Print("Exception in uart_Command: " + ex.Message);
}
}