stuff

button.py

@@ -0,0 +1,12 @@
+import asyncio
+import asyncpio
+
+class button:
+    def __init__(self, pi, gpio, callback):
+        self.pi = pi
+        self.gpio = gpio
+        self.callback = callback
+    async def start(self):
+        await self.pi.set_mode(self.gpio, asyncpio.INPUT)
+        await self.pi.set_pull_up_down(self.gpio, asyncpio.PUD_UP)
+        self.cb = await self.pi.callback(self.gpio, asyncpio.EITHER_EDGE, self.callback)

display.py

@@ -1,18 +1,23 @@
+import asyncio
 from LCD import LCD
 
 class display:
-    def __init__(self, width=16, height=4, i2c_addr=0x27):
+    async def __init__(self, width=20, height=4, i2c_addr=0x27):
         self.width = width
         self.height = height
         self.device = LCD(2, i2c_addr, True)
         self.contents = [""] * self.height
     
-    def redraw(self):
-        for row, line in enumerate(self.contents):
-            self.device.message(row + 1, line)
+    async def redraw(self, row = None):
+        if row == None:
+            for row, line in enumerate(self.contents):
+                await self.device.async_message(row + 1, line)
+        else:
+            await self.device.async_message(row + 1, line)
     
-    def read(self):
-        pass
+    async def read(self, row):
+        return self.contents[row]
     
-    def write(self):
-        pass
+    async def write(self, row, data, offset = 0):
+        self.contents[row] = f'{self.contents[row][:offset]}{data}{self.contents[row][offset+len(data):]}'
+        self.redraw(row)

fancontrol.py

@@ -1,4 +1,26 @@
 import asyncio
+from button import button
 from decoder import decoder
 from display import display
 
+async def wheel_handler(dir):
+    print(f"wheel: {dir}")
+    
+async def button_test(**args):
+    print(args)
+
+async def main():
+    pi = asyncpio.pi()
+    dec = decoder(pi, 27, 17, wheel_handler)
+    b1 = button(pi, 23, button_test)
+    b2 = button(pi, 24, button_test)
+    await pi.connect()
+    await dec.start()
+    await b1.start()
+    await b2.start()
+
+if __name__ == "__main__":
+    disp = display()
+    loop = asyncio.get_event_loop()
+    loop.create_task(main())
+    loop.run_forever()