def set_device_params(req):
"""Sets the device parameters as per the arguments sent
Takes mid,fan,heat as paramter
Returns status_code = 200, data={temp:temp of the device} if succesful
else
status_code = 500 , data={error:errorMessage}
"""
mid = int(req.POST.get('mid'))
fan = int(req.POST.get('fan'))
heat = int(req.POST.get('heat'))
usb_path = settings.MID_PORT_MAP.get(mid, None)
if usb_path is None:
retVal = {"status_code": 400, "message": "Invalid MID"}
return HttpResponse(json.dumps(retVal),
content_type='application/json')
#trying to connect to device
# check if SBHS device is connected
if not os.path.exists(usb_path):
retVal = {
"status_code": 500,
"message": "Device Not connected to defined USB Port"
}
return HttpResponse(json.dumps(retVal),
content_type='application/json')
try:
board = sbhs.Sbhs()
board.machine_id = mid
board.boardcon = serial.Serial(port=usb_path,
baudrate=9600,
bytesize=8,
parity='N',
stopbits=1,
timeout=2) #orignal stopbits = 1
board.status = 1
if board.setFan(fan) and board.setHeat(heat):
retVal = {"status_code": 200, "message": board.getTemp()}
return HttpResponse(json.dumps(retVal),
content_type='application/json')
else:
retVal = {
"status_code": 500,
"message": "Could not set the parameters.Try again."
}
return HttpResponse(json.dumps(retVal),
content_type='application/json')
except serial.serialutil.SerialException:
retVal = {
"status_code": 500,
"message": "Could not connect to the device.Try again."
}
return HttpResponse(json.dumps(retVal),
content_type='application/json')
def initiation(req):
username = req.POST.get("username")
password = req.POST.get("password")
user = authenticate(username=username, password=password)
if user is not None:
if user.is_active:
user1 = Account.objects.select_related().filter(id=user.id)
user1 = user1[0]
filename = datetime.datetime.strftime(datetime.datetime.now(), "%Y%b%d_%H_%M_%S.txt")
log_dir = os.path.join(settings.EXPERIMENT_LOGS_DIR, user.username)
if not os.path.exists(log_dir):
os.makedirs(log_dir)
f = open(os.path.join(log_dir, filename), "a")
f.close()
""" Initialize Global Values """
GlobalValues.instantaneous_time = 0
GlobalValues.room_temp = 29 + random.uniform(-2, 2)
GlobalValues.max_temp = 68 + random.uniform(-0.3, 0.3)
LOGIN(req, user)
e = Experiment()
e.user = user
e.log = os.path.join(log_dir, filename)
e.save()
boards = sbhs.Sbhs(user.coeff_ID)
global boards
STATUS = 1
MESSAGE = filename
else:
STATUS = 0
MESSAGE = "Your account is not activated yet. Please check your email for activation link."
else:
STATUS = 0
MESSAGE = "Invalid username or password"
return HttpResponse(json.dumps({"STATUS": STATUS, "MESSAGE": MESSAGE}))
SBHS_ADMINS = (
("Amol Mandhane", "+91-9999999999", "*****@*****.**"),
("Amol Mandhane", "+91-9999999999", "*****@*****.**"),
)
else:
from sbhs_server.sbhs_admin_config import SBHS_ADMINS
SBHS_GLOBAL_LOG_DIR = os.path.join(BASE_DIR, 'log')
from sbhs_server import sbhs
boards = {}
with open(os.path.join(BASE_DIR, 'map_machine_ids.txt')) as f:
for line in f:
try:
data = line.split("=")
brd = sbhs.Sbhs()
b = brd.connect(int(data[0]))
assert b == True
key = int(brd.getMachineId())
assert key > 0
brd.reset_board()
boards[str(key)] = {"board": brd, "experiment_id": None}
except:
pass
online_mids = [int(i) for i in boards.keys()]
import sys
print >> sys.stderr, online_mids[1:33] #srikant
#srikant
#f = open('/tmp/online_mids', 'w')
