def sendwater(node,wtime,rate):
xbee = cmanager.beemanager("/dev/ttyUSB0",4)
ran = False
errcount = 0
#print chr(0) + chr(int(node))
while((ran != True) and (errcount < 10)):
response = xbee.sendwater((wtime * 2),chr(0) + chr(int(node)))
if(response != "no reply"):
ran = True
else:
errcount = errcount + 1
print response
with open(paths.basepath + "wlog.htm", 'a') as logfile:
logfile.write(time.strftime("%d/%m-%H:%M") + "," + str(node) + "," + str(wtime) + "," + str(rate)+ "," + str(response) + "\n")
def sendwater(node, wtime, rate):
xbee = cmanager.beemanager("/dev/ttyUSB0", 4)
ran = False
errcount = 0
#print chr(0) + chr(int(node))
while ((ran != True) and (errcount < 10)):
response = xbee.sendwater((wtime * 2), chr(0) + chr(int(node)))
if (response != "no reply"):
ran = True
else:
errcount = errcount + 1
print response
with open(paths.basepath + "wlog.htm", 'a') as logfile:
logfile.write(
time.strftime("%d/%m-%H:%M") + "," + str(node) + "," +
str(wtime) + "," + str(rate) + "," + str(response) + "\n")
px = x
coefs = thetas[1:] # remove constant term
for val in coefs:
total = total + (val * px)
px = px * x
return total + thetas[0] # add constant term
x = np.array([0.08, 0.67, 0.82, 1.1, 1.42, 1.58, 2.0, 2.19, 2.5, 2.7])
y = np.array([0, 5.6, 8.1, 13.5, 20.0, 25.4, 35.0, 40.0, 45.0, 50.0])
p = np.polyfit(x, y, 6)
theta = [2.497237134237162, 3.1272141051382456, 3.76424478871247, 3.492216475657672, -1.0697925500533265]
repeats = 10
thisbee = cmanager.beemanager("/dev/ttyUSB0", 2)
with open(paths.basepath + "nodelist", "r") as nodfile: # read list of nodes
nodereader = csv.reader(nodfile)
# required = nodereader.next()
for required in nodereader: # for each node
response = False
error = True
errors = 0
timeout = 0
theta = [float(required[4]), float(required[5]), float(required[6]), float(required[7]), float(required[8])]
print required
while (error == True) and (errors < 1): # try transmit unit ack recieved or failed 3 times
error = False
while (response == False) and (timeout < repeats): # try the transmission up to 10 times
response = thisbee.readmoisture(chr(0) + chr(int(required[1])))
for val in coefs:
total = total + (val * px)
px = px * x
return total + thetas[0] #add constant term
x = np.array([0.08, 0.67, 0.82, 1.1, 1.42, 1.58, 2.0, 2.19, 2.5, 2.7])
y = np.array([0, 5.6, 8.1, 13.5, 20.0, 25.4, 35.0, 40.0, 45.0, 50.0])
p = np.polyfit(x, y, 6)
theta = [
2.497237134237162, 3.1272141051382456, 3.76424478871247, 3.492216475657672,
-1.0697925500533265
]
repeats = 10
thisbee = cmanager.beemanager('/dev/ttyUSB0', 2)
with open(paths.basepath + "nodelist", "r") as nodfile: #read list of nodes
nodereader = csv.reader(nodfile)
#required = nodereader.next()
for required in nodereader: #for each node
response = False
error = True
errors = 0
timeout = 0
theta = [
float(required[4]),
float(required[5]),
float(required[6]),
float(required[7]),
float(required[8])
taillist = thelist[-1]
volts = float(taillist[1]) #take last entry for volts and response
response = taillist[0]
with open(paths.basepath + "errors.htm", 'a') as outfile:
outfile.write("unable to read, defaulting to last value," +
time.strftime("%d/%m-%H:%M") + "\n")
else: #set volts value
volts = float(response) * 0.00318 #convert response to voltage
print theta
print str(Htheta(theta, volts))
return volts, response, theta #return voltage , slave response and the coefficients used fo this node
repeats = 10 #set repeats limit
thisbee = cmanager.beemanager('/dev/ttyUSB0', 2) #create xbee manager
with open(paths.basepath + "nodelist", "r") as nodfile: #read list of nodes
nodereader = csv.reader(nodfile)
for required in nodereader: #for each node
volts, response, theta = getvolts(required)
try:
with open(paths.basepath + "levels" + required[0] + ".csv",
'a') as outfile: #write log to file
outfile.write(
str(response.rstrip("\r\n")) + "," + str(volts) + "," +
str(Htheta(theta, volts)) + "," + str(required[2]) +
time.strftime(",%Y,%m,%e,%H,%M") + "\n")
except Exception, e:
print str(e)
