hamburger helper's kid wine

.gitignore

@@ -95,3 +95,4 @@ ENV/
 .ropeproject
 
 .idea/
+.vscode/

main.py

@@ -6,10 +6,10 @@ import init_sample
 init_sample.init_sample(hw)
 
 # Main app
-import uPySensor
-bme280=uPySensor.BME280(hw.i2c.bus)
-lm75a =uPySensor.LM75A(hw.i2c.bus)
-sht21 =uPySensor.SHT21(hw.i2c.bus)
+from uPySensor import BME280, LM75A, SHT21
+bme280=BME280(hw.i2c.bus)
+lm75a =LM75A(hw.i2c.bus)
+sht21 =SHT21(hw.i2c.bus)
 
 #MicroWebSrv disabled until i work out how to make it fit into an esp8266's memory space
 #wshead={
@@ -53,12 +53,12 @@ sht21 =uPySensor.SHT21(hw.i2c.bus)
 #ws.Start()
 
 #fallback microserver
-def bme280():
+def _bme280():
     bme280.update_sensor()
     return '{"temperature":"%0.2f","humidity":"%0.2f","pressure":"%0.2f"}' % (
         bme280.temperature, bme280.humidity, bme280.pressure)
-def lm75a(): return '{"temperature":"%0.1f"}' % lm75a.read_tempC()
-def sht21(): return '{"temperature":"%0.3f","humidity":"%0.3f"}' % (sht21.read_tempC(), sht21.read_hum())
+def _lm75a(): return '{"temperature":"%0.1f"}' % lm75a.read_tempC()
+def _sht21(): return '{"temperature":"%0.3f","humidity":"%0.3f"}' % (sht21.read_tempC(), sht21.read_hum())
 def header(): return "HTTP/1.1 200 OK\r\nContent-Type: application/json\r\nServer: horny\r\n\r\n"
 import socket
 wssock=socket.getaddrinfo("0.0.0.0",80)[0][-1]
@@ -80,8 +80,13 @@ while True:
         wcline=wcline.split(b' ')
         if len(wcline) == 3 and wcline[2].startswith('HTTP'):
             if wcline[0] != b'GET': wcl.close()
-            elif wcline[1] == b'/': jsn=bme280()
-            elif wcline[1] == b'/sht21': jsn=sht21()
-            elif wcline[1] == b'/lm75a': jsn=lm75a()
+            elif wcline[1] == b'/':       jsn='{"result":"error","message":"use /bme280, /lm75a or /sht21 for sensor readings"}'
+            elif wcline[1] == b'/sht21':  jsn=_sht21 ()
+            elif wcline[1] == b'/lm75a':  jsn=_lm75a ()
+            elif wcline[1] == b'/bme280': jsn=_bme280()
     wcl.send(header()+jsn)
     wcl.close()
+
+ws = tinyWebServer()
+
+

tinyWebServer.py

@@ -0,0 +1,34 @@
+#tinyWebServer, because microWebSrv wasn't small enough.
+# no decorated route definitions, but whatever
+class tinyWebServer:
+    import socket
+    _routes={}
+    def __init__(self, bind_ip='0.0.0.0', bind_port=80):
+        self.bind_ip=bind_ip
+        self.bind_port=bind_port
+        self.wssock=socket.getaddrinfo(bind_ip, bind_port)[0][-1]
+
+    def add_route(self, path, handler):
+        self._routes.update({b'%s' % path: handler})
+    
+    def start(self):
+        self.wss=self.socket.socket()
+        self.wss.bind(self.wssock)
+        self.wss.listen(1)
+        while True: self.handle_request(*self.wss.accept())
+    
+    def handle_request(self, reqclient, reqsocket):
+        reqmethod = None
+        reqpath = None
+        reqclf = reqclient.makefile('rwb', 0)
+        while True:
+            reqline = reqclf.readline()
+            if not reqline or reqline == b'\r\n': break
+            if reqmethod == None or reqpath == None and len(reqline.split(' ')) == 3 and reqline.split(' ')[2].startswith('HTTP'):
+                reqmethod, reqpath = reqline.split(' ')[:-1]
+        if reqmethod == None or reqpath == None: reqclient.close()
+        _routes.get(reqpath, self.no_route)(reqclient)
+    
+    def no_route(self, request):
+        request.close()
+