Initial commit

main.py

@@ -0,0 +1,81 @@
+import config
+import subprocess
+import os
+import serial
+import threading
+import json
+from bottle import route, run
+
+
+
+class AppRunner(threading.Thread):
+    def __init__(self):
+        super().__init__()
+        self.currentApp = -1
+        self.requestedApp = 0
+        self.app = None
+        self.lock = threading.Lock()
+        self.param = ""
+
+    def requestApp(self, app, param=""):
+        with self.lock:
+            self.requestedApp = app
+            self.param = param
+
+    def updateApp(self):
+        if self.app != None:
+            self.app.terminate()
+        args = [os.getcwd()+"/"+config.Apps[self.requestedApp]["cmd"], str(config.ScreenX), str(config.ScreenY), self.param]
+        self.app = subprocess.Popen(args, stdout=subprocess.PIPE)
+
+    def run(self):
+        ser = serial.Serial("/dev/ttyACM0")
+        while True:
+            with self.lock:
+                if self.app == None or self.app.poll() != None:
+                    self.requestedApp = 0   
+                if self.currentApp != self.requestedApp:
+                    self.currentApp = self.requestedApp
+                    self.updateApp()
+            d = self.app.stdout
+            oshandle = d.fileno()
+            data = os.read(oshandle, config.ScreenX*config.ScreenY*3)
+            # data = d.raw.read(config.ScreenX*config.ScreenY*3)
+            ser.write(b"\01")
+            ser.write(data)
+
+
+runner = AppRunner()
+runner.start()
+
+@route("/apps/list")
+def apps_list():
+    s = []
+    for app in config.Apps:
+        s.append(app["name"])
+    return json.dumps(s)
+    
+@route("/apps/start/<name>")
+def apps_start(name):
+    for i in range(len(config.Apps)):
+        if config.Apps[i]["name"] == name:
+            runner.requestApp(i)
+            return "ok"
+    return "not_found"
+
+@route("/apps/start/<name>/<param>")
+def apps_start(name, param):
+    for i in range(len(config.Apps)):
+
+        if config.Apps[i]["name"] == name:
+            runner.requestApp(i, param)
+            return "ok"
+    return "not_found"
+
+
+@route("/apps/running") 
+def  apps_running():
+    i = runner.currentApp
+    return config.Apps[i]["name"]
+
+run(host="localhost", port=8000)