A number of helper functions are provided to make things easier for you in integration.

Function

Description

Returns

log(message)

Send the message (string) to the device’s debug log so it can be viewed in debug mode or in the device logs if the device's log level is set to "Debug".

null

message(message, level)

Display a message (string) banner on top of the screen. Takes an optional level which is one of: debug (default) | log | info | warn | error

null

sendSerialMessage(message)

Sends a serial message (string) to an attached serial device.

null

getValue(argumentKey)

For Custom Apps. Get argument value by its unique key (string).

argument value (string, boolean or number)

window.onloadTelemetryTV = function (ttv) {
    ttv.log('SDK successfully loaded!');

  ttv.message('This is a test debug  message');
  ttv.message('This is an info message', 'info');
  
  ttv.sendSerialMessage('12 34 56 78 90');
  
  // NOTE: Replace the 'yourArgumentKey' with a real key from you Custom App template
  const yourArgValue = ttv.getValue('yourArgumentKey');
  console.log(`The value is: ${yourArgValue}`);
};