// If present, the Main.txt file will be executed after the Startup.txt file
// once executed, control is returned to the command interface
//
//  MTR left values / right values / runtime
// the left and right values are from 0-255
// the runtime is from 0-9999 and indcates the length of time in milliseconds the motor value is active for.
// a runtime of 0 does not timeout
// MTRxxxxyyyytttt
// or STOP command which zero's both channels
//
// drive left motor for 1 second (turn right)
// LMTR025500001000
// drive right motor for 2 seconds (turn left)
// LMTR000002552000
// drive straight ahead for 3 seconds
// LMTR025502553000