first server files

server/autorun.lua

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+dofile("main.lua")

server/main.lua

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+dofile("screen.lua")
+
+-- connecte l'écran sur les pins 18 et 19
+attachscreen(18, 19, 0x3C)
+
+-- connecte la bande de led sur le pin 21
+neo = neopixel.attach(neopixel.WS2812B, pio.GPIO21, 8)
+
+cls()
+console("test")

server/screen.lua

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+function attachscreen(sda, scl, i2cadd)
+    try (
+        function ()
+            i2c.setpins(0,sda,scl)
+            gdisplay.attach(gdisplay.SSD1306_128_64, gdisplay.LANDSCAPE, false, i2cadd)
+            gdisplay.clear()
+            gdisplay.setfont(gdisplay.FONT_LCD)
+            gdisplay.setwrap(false)
+        end,
+
+        function (where, line, error, message)
+            print("Couldn't attach the screen.\nError in "..where.." at "..line.." "..error..": "..message)
+        end,
+
+        function () end
+    )    
+end
+
+local consolepos = 0
+local consoletab = {}
+local consolemax = 6
+local oledflip = 1
+
+function flip()
+    oledflip = oledflip+1; if oledflip > 3 then oledflip = 0 end
+    if oledflip==0 then
+        consolemax = 6
+        gdisplay.attach(gdisplay.SSD1306_128_64, gdisplay.LANDSCAPE_FLIP, false, i2cadd)
+    elseif oledflip==1 then
+        consolemax = 6
+        gdisplay.attach(gdisplay.SSD1306_128_64, gdisplay.LANDSCAPE, false, i2cadd)
+    elseif oledflip==2 then
+        consolemax = 13
+        gdisplay.attach(gdisplay.SSD1306_128_64, gdisplay.PORTRAIT, false, i2cadd)
+    else
+        consolemax = 13
+        gdisplay.attach(gdisplay.SSD1306_128_64, gdisplay.PORTRAIT_FLIP, false, i2cadd)
+    end    
+    cls()
+end
+
+function cls() 
+    if (consolemax==6) then gdisplay.clear()
+    else 
+        gdisplay.rect( {0,0}, 128, 9*consolemax, {0,0,0}, {0,0,0} )
+    end
+    if oledflip ~= 1 then gdisplay.clear() end
+    consolepos = 0
+    consoletab={}
+    for i=0, consolemax do
+         consoletab[i] = ""
+    end
+end
+
+function console(msg) 
+    if (consolepos <= consolemax) then
+        consoletab[consolepos] = msg
+        gdisplay.write({0, consolepos*9},msg)
+        consolepos = consolepos+1
+    else
+        for i = 1, consolemax do
+            consoletab[i-1] = consoletab[i]
+        end
+        consoletab[consolemax] = msg
+        if (consolemax==6) then gdisplay.clear()
+        else 
+            gdisplay.rect( {0,0}, 128, 9*consolemax+9, {0,0,0}, {0,0,0} )
+        end
+        for i=0, consolemax do
+            gdisplay.write({0, i*9},consoletab[i])
+        end
+    end
+end