class Reader(object):
def __init__(self, address):
writeResponse = False
try:
self.requester = GATTRequester(address, False)
self.connect()
self.send_data()
except:
print("Connection failed")
self.requester.connect(False)
def connect(self):
print("Connecting...", end=' ')
sys.stdout.flush()
self.requester.connect(True)
print("OK!")
def send_data(self):
status = True
profile = self.requester.read_by_handle(0x61)
time.sleep(2)
print(profile)
#Checks the profile loaded by the FPGA, if it's 12, then stop loop
while ("\x0c" not in profile):
#Attempt to set profile to 12
try:
self.requester.write_by_handle(0x61, str(bytearray([12])))
except RuntimeError:
status = False
break
#Delay time to allow for successful transfer
time.sleep(2)
print("Currently in profile loop")
try:
profile = self.requester.read_by_handle(0x61)
except RuntimeError:
status = False
break
time.sleep(2)
#time.sleep(3)
while status:
#Write the button press to reset data
try:
writeResponse = GATTResponse()
self.requester.write_by_handle_async(0x72, str(bytearray([1])),
writeResponse)
counter = 0
time.sleep(0.4)
information_taken = self.requester.read_by_handle(0xa2)[0]
counter = 0
time.sleep(0.5)
print("bytes received:", end=' ')
print(int(ord(information_taken[0])))
#first array containing value
data = {}
data[fields[0]] = 0
#send to bpressure array
data[fields[1]] = int(ord(information_taken[0]))
params = urllib.urlencode(data)
data = urllib.urlencode(data)
headers = {}
headers["Content-Type"] = 'application/x-www-form-urlencoded'
headers["Connection"] = "close"
headers["Content-Length"] = len(params)
headers["Phant-Private-Key"] = private_hash
c = httplib.HTTPConnection(base_url)
c.request("POST", "/input/" + public_hash + ".txt", params,
headers)
#send to website https://data.sparkfun.com/streams/7JYarO9dElfVn7vnlG5q
r = c.getresponse()
#print (r.status,r.reason)
#time.sleep(2)
except:
break
try:
self.requester.disconnect()
except:
print("disconnect failed")
time.sleep(0.3)
continue
#forward/back
right = olddata["root_y"] - data["root_y"]
left = data["root_y"] - olddata["root_y"]
#turn
right = ((right + (olddata["root_x"] - data["root_x"])) / 20) + 90
left = ((left + (olddata["root_x"] - data["root_x"])) / 20) + 90
left = toStr(left)
right = toStr(right)
full = right + left
req.write_by_handle_async(0x002a, str(bytearray(full)), response)
while not response.received():
time.sleep(0.1)
++retry
if retry > 3:
req.disconnect()
req.connect(True, "random")
retry = 0
try:
req.is_connected()
except:
req.connect(True, "random")
olddata = data
time.sleep(0.3)
