SIM001 › Beyond the cockpit › The flight computer
The flight display of the TX15
The screen of the TX15 shows the flight in the layout of the ArduPilot telemetry script of Yaapu. On top are the flight mode (big, with ARMED or DISARMED beside it), the satellites, the link and the battery. In the middle is an artificial horizon that banks and pitches with the plane, with the airspeed, the ground speed and the heading on its left, and the height above home, the climb and the distance to home on its right. The battery has a bar. The last messages of ArduPilot are along the bottom: a PreArm check that fails, a new mode, a failsafe.
The screen shows the airspeed
If the TX15 screen airspeed is 18 m/s, wait 5 seconds. The TX15 screen airspeed is at least 17.5 m/s. The TX15 screen airspeed is at most 18.5 m/s.
See it in Reading the flight display.
How this is tested verified
Given the TX15 screen airspeed is 18 m/s When 5 seconds pass Then the TX15 screen airspeed is at least 17.5 m/s And the TX15 screen airspeed is at most 18.5 m/s
The screen shows the climb with its sign
If the TX15 screen climb is -3 m/s, wait 5 seconds. The TX15 screen climb is at least -3.2 m/s. The TX15 screen climb is at most -2.8 m/s.
How this is tested untested
Given the TX15 screen climb is -3 m/s When 5 seconds pass Then the TX15 screen climb is at least -3.2 m/s And the TX15 screen climb is at most -2.8 m/s
The screen counts the satellites
If the TX15 screen satellites is 9, wait 5 seconds. 9: the GPS reading in the top bar of the screen of the TX15 is this number.
How this is tested untested
Given the TX15 screen satellites is 9 When 5 seconds pass Then the TX15 screen satellites is 9
The screen shows what ArduPilot says
A PreArm check that fails is the most useful message when the plane will not arm. The message is in MAVLink, down the same serial line, and the screen reads it from there.
If the TX15 screen message is PreArm: Throttle (RC3) is not neutral, wait 5 seconds. PreArm: Throttle (RC3) is not neutral: the newest message line at the bottom of the screen of the TX15 says this, in the colour of its severity.
See it in Reading the flight display.
How this is tested verified
Given the TX15 screen message is PreArm: Throttle (RC3) is not neutral When 5 seconds pass Then the TX15 screen message is PreArm: Throttle (RC3) is not neutral