The Intial Commit with the Base Repository

consumption.xml

@@ -0,0 +1,46 @@
+<?xml version="1.0"?>
+
+<data>
+	<container id="1">
+		<left at="1507161600">700</left>
+		<left at="1507248000">680</left>
+		<left at="1507334400">660</left>
+		<left at="1507420800">640</left>
+		<left at="1507507200">620</left>
+	</container>
+	<container id="2">
+		<left at="1507161600">700</left>
+		<left at="1507248000">680</left>
+		<left at="1507334400">660</left>
+		<left at="1507420800">640</left>
+		<left at="1507507200">620</left>
+	</container>
+	<container id="3">
+		<left at="1507161600">700</left>
+		<left at="1507248000">680</left>
+		<left at="1507334400">660</left>
+		<left at="1507420800">640</left>
+		<left at="1507507200">620</left>
+	</container>
+	<container id="4">
+		<left at="1507161600">700</left>
+		<left at="1507248000">680</left>
+		<left at="1507334400">660</left>
+		<left at="1507420800">640</left>
+		<left at="1507507200">620</left>
+	</container>
+	<container id="5">
+		<left at="1507161600">700</left>
+		<left at="1507248000">680</left>
+		<left at="1507334400">660</left>
+		<left at="1507420800">640</left>
+		<left at="1507507200">620</left>
+	</container>
+	<container id="6">
+		<left at="1507161600">700</left>
+		<left at="1507248000">680</left>
+		<left at="1507334400">660</left>
+		<left at="1507420800">640</left>
+		<left at="1507507200">620</left>
+	</container>
+</data>

containers.xml

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+<?xml version="1.0"?>
+
+<data>
+	<container id="1">
+		<content>Tea</content>
+		<left>600</left>
+		<saturated_fat>0</saturated_fat>
+		<polyunsaturated_fat>0</polyunsaturated_fat>
+		<monounsaturated_fat>0</monounsaturated_fat>
+		<cholestrol>0</cholestrol>
+		<sodium>0.042194093</sodium>
+		<potassium>0.181434599</potassium>
+		<carbohydrates>0.001687764</carbohydrates>
+		<dietary_fiber>0</dietary_fiber>
+		<sugars>0</sugars>
+		<protein>0</protein>
+		<vitamin_a>0</vitamin_a>
+		<vitamin_c>0</vitamin_c>
+		<calcium>0</calcium>
+		<iron>0</iron>
+	</container>
+	<container id="2">
+		<content>Coffee</content>
+		<left>600</left>
+		<saturated_fat>0</saturated_fat>
+		<polyunsaturated_fat>0</polyunsaturated_fat>
+		<monounsaturated_fat>0</monounsaturated_fat>
+		<cholestrol>0</cholestrol>
+		<sodium>0.042194093</sodium>
+		<potassium>0.181434599</potassium>
+		<carbohydrates>0.001687764</carbohydrates>
+		<dietary_fiber>0</dietary_fiber>
+		<sugars>0</sugars>
+		<protein>0</protein>
+		<vitamin_a>0</vitamin_a>
+		<vitamin_c>0</vitamin_c>
+		<calcium>0</calcium>
+		<iron>0</iron>
+	</container>
+	<container id="3">
+		<content>Not Set</content>
+	</container>
+	<container id="4">
+		<content>Not Set</content>
+	</container>
+	<container id="5">
+		<content>Not Set</content>
+	</container>
+	<container id="6">
+		<content>Not Set</content>
+	</container>
+</data>

hx711.py

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+import mraa
+
+class Hx711:
+	def __init__(self,dout,pd_sck, gain = 128):
+		# self.PD_SCK = pd_sck
+		# self.DOUT = dout
+		self.PD_SCK = mraa.Gpio(pd_sck)
+		self.DOUT = mraa.Gpio(dout)
+		self.PD_SCK.dir(mraa.DIR_OUT)
+		self.DOUT.dir(mraa.DIR_IN)
+		self.GAIN = 1
+		self.OFFSET = 0
+		self.SCALE = 1
+		self.set_gain(gain)
+	def set_gain(self,gain):
+		if gain == 128:
+			self.GAIN = 1
+		elif gain == 64:
+			self.GAIN = 3
+		elif gain == 32:	
+			self.GAIN = 2
+		self.PD_SCK.write(0) # is for low signal 
+		self.read()
+	def read(self):
+		while self.DOUT.read() == 1:
+			continue
+
+		value = 0
+		data = 0
+		filler = 0x00
+		for i in range(24):
+			self.PD_SCK.write(1)
+			value = value<<1
+			self.PD_SCK.write(0)
+			if(self.DOUT.read()):
+				value = value + 1
+		self.PD_SCK.write(1)
+		value = value ^ 0x800000
+		self.PD_SCK.write(0)
+		return value	
+
+	def read_average(self,times):
+		sum0 = 0
+		for i in range(times):
+			sum0 += self.read()
+		return sum0/times;
+
+
+	def get_value(self,times):
+		return self.read_average(times) - self.OFFSET
+
+
+	def get_units(self,times):
+		return self.get_value(times) /self.SCALE
+
+
+	def tare(self, times):
+		sum = self.read_average(times)
+		self.set_offset(sum)
+
+	def set_scale(self,scale):
+		self.SCALE =scale
+
+	def get_scale(self):
+		return self.SCALE
+
+	def get_offset(self):
+		return self.OFFSET
+
+
+
+	def set_offset(self,offset):
+		self.OFFSET = offset;
+
+	def power_down(self):
+		self.PD_SCK.write(0)
+		self.PD_SCK.write(1)
+
+	def power_up(self):
+		self.PD_SCK.write(0)
+
+
+	# def shiftIn(self):
+	# 	value =0
+	# 	for i in range(24):
+	# 		self.PD_SCK.write(1)
+	# 		value = value<<1
+	# 		self.PD_SCK.write(0)
+	# 		if(self.DOUT.read()):
+	# 			value = value + 1
+
+	# 	return value
+
+	# def is_ready(self):
+	# 	if self.DOUT.read() == 0:
+	# 			return True
+	# 	else:
+	# 		return False

index.py

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+import serial
+from time import sleep
+from flask import Flask,jsonify
+import xml.etree.ElementTree as ET
+import json
+
+app = Flask(__name__)
+
+tree = ET.parse('containers.xml')
+root = tree.getroot()
+
+tree2 = ET.parse('consumption.xml')
+root2 = tree2.getroot()
+
+@app.route("/")
+def index():
+	with open('weights.txt','r') as r:
+		a = r.readline()
+	a = a.split(" ")
+	json_data = []
+	for container in root.findall('container'):
+		content = container.find('content').text
+		iden = container.get('id')
+		json_data.append({"content": content, "left": a[int(iden)-1]})
+	return jsonify(json_data)
+
+@app.route("/containers/")
+def containers():
+	json_data = []
+	for container in root.findall('container'):
+		iden = container.get('id')
+		content = container.find('content').text
+		left = container.find('left').text
+		json_data.append({"id": iden,"content": content, "left": left})
+	return jsonify(json_data)
+
+
+@app.route("/container/<iden>")
+def container(iden):
+	json_data = []
+	for container in root.findall('.//container[@id="'+iden+'"]'):
+		iden = container.get('id')
+		content = container.find('content').text
+		left = container.find('left').text
+		saturated_fat = container.find('saturated_fat').text
+		polyunsaturated_fat = container.find('polyunsaturated_fat').text
+		monounsaturated_fat = container.find('monounsaturated_fat').text
+		cholestrol = container.find('cholestrol').text
+		sodium = container.find('sodium').text
+		potassium = container.find('potassium').text
+		carbohydrates = container.find('carbohydrates').text
+		dietary_fiber = container.find('dietary_fiber').text
+		sugars = container.find('sugars').text
+		protein = container.find('protein').text
+		vitamin_a = container.find('vitamin_a').text
+		vitamin_c = container.find('vitamin_c').text
+		calcium = container.find('calcium').text
+		iron = container.find('iron').text
+		json_data.append({"id": iden,"content": content, "left": left, "polyunsaturated_fat": polyunsaturated_fat, "monounsaturated_fat": monounsaturated_fat, "cholestrol": cholestrol, "sodium": sodium, "potassium": potassium, "carbohydrates": carbohydrates, "dietary_fiber": dietary_fiber, "sugars": sugars, "protein": protein, "vitamin_a": vitamin_a, "vitamin_c": vitamin_c, "calcium": calcium, "iron": iron})
+	return jsonify(json_data)
+
+@app.route("/consumption_all/")
+def consumption_all():
+	json_data = []
+	for container in root2.findall('.//container'):
+		for left in container:
+			json_data.append({"timestamp": left.get("at"), "left": left.text})
+	return jsonify(json_data)
+
+@app.route("/consumption/<iden>")
+def consumption(iden):
+	json_data = []
+	for container in root2.findall('.//container[@id="'+iden+'"]'):
+		for left in container:
+			json_data.append({"timestamp": left.get("at"), "left": left.text})
+	return jsonify(json_data)
+
+app.run(host= '0.0.0.0')

intel_fice2.py

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+from hx711 import Hx711
+from time import sleep
+calibration_factor = -7050.0
+a1 = Hx711(36,20)
+a2 = Hx711(48,14)
+a1.set_scale(calibration_factor)
+a2.set_scale(calibration_factor)
+a1.tare(1)
+a2.tare(1)
+borders = [10,20,30,40,50,60]
+l1 = 5
+l2 = 55
+threshold_w = 1.0
+threshold_x = 4
+x  =float()
+w = float()
+x_p = 0.0
+w_p = 0.0
+x_n = float()
+w_n = float()
+mark = [0.0,0.0,0.0,0.0,0.0,0.0] # places on the shelf for containers
+mark2 = [0,0,0,0,0,0]
+while 1:
+        arr = []
+        arr2 = []
+        for i in range(10):
+                arr.append(a1.get_units(1))
+                arr2.append(a2.get_units(1))
+        arr.sort()
+        arr2.sort()
+
+        r1 = (arr[6]+ arr[5] + arr[3] + arr[4])/4
+        r2 = (arr2[6] + arr2[5] + arr2[3] + arr2[4])/4
+
+        w = r1 + r2
+        if w > threshold_w:
+                x = (r1*l1 + r2*l2)/w
+
+                if  w-w_p > threshold_w or w_p-w > threshold_w or x-x_p > threshold_x or x_p-x > threshold_x : 
+                        w_n = w - w_p
+                        x_n = (w*x - w_p*x_p)/w_n
+
+                        for i in range(6):
+                                if x_n < borders[i]:
+                                        if w_n > 0:
+                                                mark[i] =  w_n # replacing 1 with the weight added
+                                                mark2[i] = 1
+                                                print "Container Added at : " + str(i + 1)
+                                        elif w_n < 0:
+                                                mark2[i] = 0
+                                                mark[i] = 0
+                                                print "Container Removed from : " + str(i+1)
+                                        break
+
+        else:
+                for i in range(6):
+                        mark2[i] = 0
+                        mark[i] = 0.0 # not sure about this slot
+                x = 0
+	w_p = w
+	x_p = x
+        string = str()
+        string2 = str()
+        for i in range(6):
+                string = string + str(mark[i]) + " "
+                string2 = string2 + str(mark2[i]) + " "
+        print string
+        print string2
+	with open('weights.txt','w') as w:
+		w.write(string)
+
+
+        a1.power_down()
+        a2.power_down()
+        sleep(1)
+        a1.power_up()
+        a2.power_up()
+
+

test.py

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+from hx711 import Hx711
+a = Hx711(36,20)
+abuf = []
+while 1:
+	abuf = []
+	for i in range(10):
+		abuf.append(a.read())
+
+	abuf.sort()
+	string = str()
+	for i in range(10):
+		string = string  +  str(abuf[i]) + " "
+
+	aval = (abuf[4] + abuf[3] + abuf[5] + abuf[6])/4	
+	print aval
+	print string

test2.py

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+from hx711 import Hx711
+a = Hx711(48,14)
+while 1:
+	print a.read()
+
+

weights.txt

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+0.0 0.0 0.0 0.0 0.0 0.0