import time
import ilififowriter
ilififowriter.init_fifo('/dev/mmcblk0p6')
devId = 1
collectionId = devId
sensorId = 'volt'
sampleValueStep = 1.0001
sampleValue = 0
for i in range(10):
sampleTimestamp = int(time.time())
sampleValue = sampleValue + sampleValueStep
ilififowriter.store_sample(sampleTimestamp, collectionId, devId, sensorId, sampleValue)
time.sleep(5)
# Continuously listen for sensor mote packets and send them to Intelligent.li
print 'Continuously read packets and send them to Intelligent.li'
while True:
try:
response = xbee.wait_read_frame()
msgType = struct.unpack("B", response['rf_data'][0])[0]
if msgType == 0xf3:
sourceAddress = ByteToHex(response['source_addr_long'])
sensorString = response['rf_data'][1:]
print 'info received from ' + sourceAddress + ': ' + sensorString
sampleTimestamp = int(time.time())
deviceID = int(sourceAddress, 16)
collectionID = deviceID
# parse the string we received from the sensor mote
try:
names = sensorString.split("&")[0].split("=")[1].split(",")
values = sensorString.split("&")[1].split("=")[1].split(",")
for idx, val in enumerate(names):
sensorID = val
sensorValue = float(filter( lambda x: x in '0123456789.', values[idx])) # cleaning up any funny non-numeric chars
print 'storing: ' + sensorID + '=' + '%f' % sensorValue
ilififowriter.store_sample(sampleTimestamp, collectionID, deviceID, sensorID, sensorValue)
except IndexError:
print sensorString
else:
print 'not a recognised message type.'
except KeyboardInterrupt:
break
ser.close()
