Merge pull request #53 from choppedpork/beer

super simple robot bar app!

beer/main.py

@@ -0,0 +1,63 @@
+"""What's on tap?!
+"""
+___name___         = "beer"
+___license___      = "MIT"
+___dependencies___ = ["app", "sleep", "wifi", "http", "ugfx_helper"]
+___categories___   = ["EMF"]
+
+import wifi, ugfx, http, ujson, app, sleep
+from tilda import Buttons, LED
+
+orientation = 270
+
+def get_beer():
+    global bar
+    LED(LED.RED).on()
+    try:
+        bar_json = http.get("https://bar.emf.camp/location/Bar.json").raise_for_status().content
+        bar = ujson.loads(bar_json)
+    except: 
+        print('oh poop')
+    LED(LED.RED).off()
+    draw_screen()
+
+def draw_screen():
+
+    ugfx.clear(ugfx.BLACK)
+    ugfx.text(60, 5, "what's on tap?", ugfx.RED)
+    ugfx.line(5, 20, ugfx.width(), 20, ugfx.GREY)
+    for idx, beer in enumerate(bar['location']):
+        ugfx.text(5, 22 + idx*15, beer['description'], ugfx.WHITE)
+
+def toggle_orientation():
+    global orientation
+    if orientation == 90:
+        ugfx.orientation(270)
+        orientation = 270
+        draw_screen()
+    else:
+        ugfx.orientation(90)
+        orientation = 90
+        draw_screen()
+
+ugfx.init()
+ugfx.clear(ugfx.BLACK)
+
+Buttons.enable_interrupt(Buttons.BTN_A, lambda button_id:get_beer(), on_press=True, on_release=False)
+Buttons.enable_interrupt(Buttons.BTN_B, lambda button_id:toggle_orientation(), on_press=True, on_release=False)
+Buttons.enable_interrupt(Buttons.BTN_Menu, lambda button_id:app.restart_to_default(), on_press=True, on_release=False)
+
+
+ugfx.text(5, 10, "Instructions:", ugfx.WHITE)
+ugfx.text(5, 30, "Press the A button to refresh", ugfx.WHITE)
+ugfx.text(5, 45, "Press the B button to rotate", ugfx.WHITE)
+ugfx.text(5, 60, "Press the Menu button to exit", ugfx.WHITE)
+ugfx.text(5, 95, "Loading data from the bar...", ugfx.WHITE)
+
+get_beer()
+
+while True:
+    sleep.wfi()
+
+ugfx.clear()
+app.restart_to_default()