def read():
reader = rc522()
try:
print("begin reading")
id, data = reader.read()
return id, data
except Exception as error:
print("error haappen:%s" % str(error))
finally:
GPIO.cleanup()
def write():
reader = rc522()
try:
data = raw_input("input data: ")
print("input data is: " + data)
print("place your card to write")
reader.write(data)
print("write success")
return data
except Exception as error:
print("error haappen: " + str(error))
finally:
GPIO.cleanup()
def write():
reader = rc522()
try:
id, data1 = reader.read()
data = raw_input("input data: ")
print("input data is: " + (data))
print("place your card to write")
data1 = int(data1) + int(data)
data1 = str(data1)
reader.write(data1)
print("write success")
return data1
except Exception as error:
print("error haappen: " + str(error))
finally:
GPIO.cleanup()
def rfid(sock):
print("请刷卡")
reader = rc522()
try:
id, data = reader.read()
print("id is " + str(id))
print("data is " + str(data))
data = int(data) - 2
data = str(data)
reader.write(data)
tcp(sock)
except Exception as error:
print("error haappen: " + str(error))
finally:
GPIO.cleanup()
def getValue(name, value):
global OPENED
while OPENED:
reader = rc522()
try:
print("begin reading.")
idid, info = reader.read()
print("id is {}".format(idid))
print("information is {}".format(info))
except Exception as error:
print("error is {}".format(error))
finally:
GPIO.cleanup()
if idid != None:
send_data = {"idid": "{}".format(idid), "info": "{}".format(info)}
req = requests.post(REMOTE_SERVER_URL + "?data=" + str(send_data))
print("time: " + str(datetime.datetime.now()))
print("send {0}".format(send_data))
time.sleep(SLEEP_SECOND)
import RPi.GPIO as GPIO
from mfrc522 import SimpleMFRC522 as rc522
reader = rc522()
LED_number = 7
READ = 0
WRITE = 1
operation = READ
GPIO.setup(LED_number, GPIO.OUT)
while True:
try:
if operation == READ:
print("begin reading ")
id, data = reader.read()
data = data.strip()
print("id is " + str(id))
print("data is " + str(data))
try:
value = float(data)
if value > 100:
GPIO.output(LED_number, GPIO.HIGH)
else:
GPIO.output(LED_number, GPIO.LOW)
print('input data is ' + str(value))
except Exception as error:
print('input data "' + data + '" is not digit only')
print("error: " + str(error))
if operation == WRITE:
data = raw_input("input data:")
print("input data is: " + data)
