simple web server implemented

main.py

@@ -4,6 +4,7 @@ import ssd1306
 import time
 import utime
 from mpu6050 import accel
+import picoweb
 
 screen = {}
 screen['rst'] = Pin(16, Pin.OUT)
@@ -26,24 +27,73 @@ accelerometer = accel(mpu['i2c'])
 def date_time():
     (y,mo,d,wd,h,mi,s,*v) = RTC().datetime()
     (y,mo,d,h,mi,s,wd,yd) = utime.localtime(utime.mktime((y,mo,d,h,mi,s,wd,0))-4*3600)
-    return ('%02d/%02d/%02d' % (mo,d,y-2000), '%02d:%02d:%02d' % (h,mi,s))
+    return (
+        '%02d/%02d/%02d' % (mo,d,y-2000),
+        '%02d:%02d:%02d' % (h,mi,s)
+    )
 
 def ip():
     return WLAN(STA_IF).ifconfig()[0]
 
-def output_positions(arg):
+last_pos = 'UN'
+
+def position(x,y,z):
+    global last_pos
+    if abs(z) > 8192 and abs(y) < 4096 and abs(x) < 4096:
+        last_pos = 'TOP' if z > 0 else 'BOT'
+    if abs(y) > 8192 and abs(z) < 4096 and abs(x) < 4096:
+        last_pos = 'RGT' if y > 0 else 'LFT'
+    if abs(x) > 8192 and abs(z) < 4096 and abs(y) < 4096:
+        last_pos = 'FRO' if x > 0 else 'BAK'
+    return last_pos
+
+def build_data(arg):
+    [x,y,z] = [arg[idx] for idx in ['AcX','AcY','AcZ']]
+    (date, time) = date_time()
+    return {
+        'x': x,
+        'y': y,
+        'z': z,
+        'date': date,
+        'time': time,
+        'ip': ip(),
+        'position': position(x,y,z)
+    }
+
+def output_positions(data):
     oled.fill(0)
-    oled.text('X: %(AcX)+05d' % arg, 5, 5)
-    oled.text('Y: %(AcY)+05d' % arg, 5, 15)
-    oled.text('Z: %(AcZ)+05d' % arg, 5, 25)
-    (d,t) = date_time()
-    oled.text(d,5,35) 
-    oled.text(t,5,45) 
-    oled.text(ip(),5,55)
+    oled.text('X: %(x)+05d' % data, 5, 5)
+    oled.text('Y: %(y)+05d' % data, 5, 15)
+    oled.text('Z: %(z)+05d' % data, 5, 25)
+    oled.text(data['date'],5,35)
+    oled.text(data['position'],80,35)
+    oled.text(data['time'],5,45) 
+    oled.text(data['ip'],5,55)
     oled.show()
 
+current_data = {}
+    
 def run_cycle():
-    output_positions(accelerometer.get_values())
+    global current_data
+    current_data = build_data(accelerometer.get_values())
+    output_positions(current_data)
 
 timer = Timer(0)
 timer.init(period=1000, mode=Timer.PERIODIC, callback=lambda t:run_cycle())
+
+app = picoweb.WebApp('main')
+
+@app.route("/")
+def index(req,resp):
+    yield from picoweb.start_response(resp)
+    yield from resp.awrite("""
+<table>
+<tr><th>X</th><td>%(x)+05d</td></tr>
+<tr><th>Y</th><td>%(y)+05d</td></tr>
+<tr><th>Z</th><td>%(z)+05d</td></tr>
+<tr><th>Position</th><td>%(position)s</td></tr>
+</table>
+""" % current_data)
+ 
+app.run(debug=True,host=ip(),port=80)
+

notes.org

@@ -87,6 +87,22 @@ rtc = machine.RTC()
 rtc.datetime()
 #+END_SRC
 
+* Web Server
+
+#+BEGIN_SRC python
+import picoweb
+from network import WLAN, STA_IF
+
+app = picoweb.WebApp('main')
+
+@app.route("/")
+def index(req,resp):
+    yield from picoweb.start_response(resp)
+    yield from resp.awrite("Hello world from picoweb running on the ESP32")
+ 
+app.run(debug=True,host=WLAN(STA_IF).ifconfig()[0],port=80)
+#+END_SRC
+
 * Connections
 
 Pin 23 ESP -> SDA MPU