监视器频道控制

--- set Video Channels of each side
local frontChannel = 63060
local backChannel = 19174
local leftChannel = 105
local rightChannel = 48046
local topChannel = 24636
--- detects if there even is a Monitor attached
local screen = peripheral.find("warpdriveMonitor")

if not screen then
    print("No Monitor Connected.")
end

if screen.isInterfaced() == false then
    print("No Computer Interface Upgrade Installed.")
end

print("WD Monitor Configuration Assistant")
print("Press W A S D for Sides and Q for Top to Select Camera")

function freqFront()
    screen.videoChannel(frontChannel)
end
function freqBack()
    screen.videoChannel(backChannel)
end
function freqLeft()
    screen.videoChannel(leftChannel)
end
function freqRight()
    screen.videoChannel(rightChannel)
end
function freqTop()
    screen.videoChannel(topChannel)
end

while true do
    os.sleep(0.5)
    local event, key = os.pullEvent()

    if event == "key" then
        -- keys are represented by numbers, the number for 'W' is 17
        if key == 17 then
            print("Monitor Connected to Front Camera")
            freqFront()
        -- keys are represented by numbers, the number for 'S' is 31
        elseif key == 31 then
            print("Monitor Connected to Rear Camera")
            freqBack()
        -- keys are represented by numbers, the number for 'A' is 30
        elseif key == 30 then
            print("Monitor Connected to Left Camera")
            freqLeft()
        -- keys are represented by numbers, the number for 'D' is 32
        elseif key == 32 then
            print("Monitor Connected to Right Camera")
            freqRight()
        -- keys are represented by numbers, the number for 'Q' is 16
        elseif key == 16 then
            print("Monitor Connected to Top Camera")
            freqTop()
        end
     end
end