Added debug gui

config.py

@@ -7,7 +7,10 @@ ScreenY = 40
 Serial = "/dev/ttyACM0"
 
 # kills app after some seconds if it sends no data
-NoDataTimeout = 10
+NoDataTimeout = 20
+
+UseGui = True
+GuiScaleFactor = 10
 
 # first app is always running in IDLE    
 Apps = [

main.py

@@ -6,6 +6,35 @@ import threading
 import json
 from bottle import route, run
 import time
+if config.UseGui:
+    import pygame
+
+    class Gui(threading.Thread):
+        def __init__(self):
+            super().__init__()
+            self.data = b"\x00"*config.ScreenX*config.ScreenY*3
+
+        def setData(self, data):
+            self.data = data
+
+        def run(self):
+            sf = config.GuiScaleFactor
+            screen = pygame.display.set_mode((sf*config.ScreenX, sf*config.ScreenY))
+            pygame.display.set_caption("Pixelserver - GUI Vis")
+            while True:
+                for event in pygame.event.get():
+                    if event.type == pygame.QUIT:
+                        sys.exit(0)
+                screen.fill((0, 255, 0))
+                for x in range(config.ScreenX):
+                    for y in range(config.ScreenY):
+                        i = x+y*config.ScreenX
+                        r = (self.data[i*3+0])
+                        g = (self.data[i*3+1])
+                        b = (self.data[i*3+2])
+
+                        pygame.draw.rect(screen, (r, g, b), pygame.Rect(sf*x, sf*y, sf, sf))
+                pygame.display.flip()
 
 class SerialWriter(threading.Thread):
     def __init__(self):
@@ -62,6 +91,9 @@ class AppRunner(threading.Thread):
         self.last_update = time.time()
         self.watchdog = WatchDog(lambda: self.appTimedOut(), lambda: self.terminateApp())
         self.watchdog.start()
+        if config.UseGui:
+            self.gui = Gui()
+            self.gui.start()
 
     def requestApp(self, app, param=""):
         with self.lock:
@@ -101,6 +133,8 @@ class AppRunner(threading.Thread):
                 data = os.read(oshandle, config.ScreenX*config.ScreenY*3)
                 self.last_update = time.time()
                 self.serial.setData(data)
+                if config.UseGui:
+                    self.gui.setData(data)
             except:
                 pass