Navigation

publisherbutton.py

@@ -0,0 +1,107 @@
+import time
+import ubinascii
+import machine
+from umqtt.simple import MQTTClient
+from machine import Pin, PWM
+
+MQTT_BROKER = '192.168.128.219'
+CLIENT_ID = ubinascii.hexlify(machine.unique_id())
+user = "roger"
+password = "password"
+MQTT_TOPIC = "client"
+Table = []
+
+# GPIO ports for the 7seg pins
+segments =  (13,12,14,27,26,25,33)
+
+#Set-up for IO pins based on our electronic architecture
+led_A = Pin(13, Pin.OUT)    # number in is Output
+led_B = Pin(12, Pin.OUT)    # number in is Output
+led_C = Pin(14, Pin.OUT)    # number in is Output
+led_D = Pin(27, Pin.OUT)    # number in is Output
+led_E = Pin(26, Pin.OUT)    # number in is Output
+led_F = Pin(25, Pin.OUT)    # number in is Output
+led_G = Pin(33, Pin.OUT)    # number in is Output
+led_DP = Pin(32, Pin.OUT)    # number in is Output
+push_button1 = Pin(22, Pin.IN)  # input as table 1
+push_button2 = Pin(1, Pin.IN)  # input as table 2
+push_button3 = Pin(3, Pin.IN)  # input as table 3
+push_button4 = Pin(21, Pin.IN)  # input as table 4
+push_button5 = Pin(19, Pin.IN)  # input as table 5
+push_button6 = Pin(18, Pin.IN)  # input as table 6
+push_button7 = Pin(5, Pin.IN)  # input as cancelOrder
+
+num = {' ':(0,0,0,0,0,0,0),
+    '1':(0,1,1,0,0,0,0),
+    '2':(1,1,0,1,1,0,1),
+    '3':(1,1,1,1,0,0,1),
+    '4':(0,1,1,0,0,1,1),
+    '5':(1,0,1,1,0,1,1),
+    '6':(1,0,1,1,1,1,1),
+    'C':(0,1,1,1,0,0,1),}
+
+def reset():
+	print("Resetting...")
+	for loop in range(0,7):
+		led_pwm = PWM(segments[loop].value(num[' '][loop]), 5000)
+		led_pwm.duty(Table)
+		time.sleep(0.001)
+	time.sleep(5)
+	machine.reset()
+
+def display(n):
+	for loop in range(0,7):
+		segments[loop].value(num[n][loop])
+		led_pwm.duty(n)
+		time.sleep(0.001)
+
+def talker():
+	table1_state = push_button1.value()
+	table2_state = push_button2.value()
+	table3_state = push_button3.value()
+	table4_state = push_button4.value()
+	table5_state = push_button5.value()
+	table6_state = push_button6.value()
+	cancel_state = push_button7.value()
+	if table1_state == True:
+		display('1')
+		return Table + [1]
+	elif table2_state == True:
+		display('2')
+		return Table + [2]
+	elif table3_state == True:
+		display('3')
+		return Table + [3]
+	elif table4_state == True:
+		display('4')
+		return Table + [4]
+	elif table5_state == True:
+		display('5')
+		return Table + [5]
+	elif table6_state == True:
+		display('6')
+		return Table + [6]
+	elif cancel_state == True:
+		display('C')
+		return Table[:-1]
+count = 0    
+def main():    
+	print(f"client {CLIENT_ID} to mqtt broker: {MQTT_BROKER}\n")
+	mqttClient = MQTTClient(CLIENT_ID, server=MQTT_BROKER, user=user, password=password, keepalive=60)
+	mqttClient.connect()
+    for i in range(0,100):
+			count =+1
+			Table[-1] = talker()
+			if (Table[-1] > 0):
+				print(f"Publishing Table number :: {Table[-1]}")
+				mqttClient.publish(TOPIC, str(Table[-1]).encode())
+				time.sleep(3)
+			mqttClient.disconnect()
+
+
+if __name__ == "__main__":
+		try:
+			main()
+		except OSError as e:
+			print("Error: " + str(e))
+			reset()