Temelelektronik.info

Bilgiler > RFID Reader Projesi ESP8266 MFRC522-Micropython



RFID Reader Projesi ESP8266 MFRC522-Micropython


#main.py___________________________
import mfrc522
from os import uname
from time import sleep

#_______Gosterge Ledi ve buzzer Ayarlama_____
from machine import Pin
greenled=Pin(15,Pin.OUT)
led=Pin(2,Pin.OUT)
buzzer=Pin(13,Pin.OUT)


#_____uyari tonu cal
def ot():
    buzzer.value(1)
    sleep(0.3)
    buzzer.value(0)
    


#______Internet sitesine log post etme
from urllib import urequest
def icerik_gonder(var):
    response = urequest.urlopen("http://www.temelelektronik.info/okul/log.aspx?usr={}".format(var))
    page_source = response.read().decode('Windows-1254')
    response.close()
    
    a=page_source.count(var)
    if a>1:    
        ot()
    # set the correct charset below
    print(page_source)
    print('siteye veri gonderildi')



#______ESP'yi internete baglama
import network
wlan = network.WLAN(network.STA_IF)
wlan.active(True)
wlan.connect('HUAWEI P smart 2019', '12345687')
if wlan.isconnected():            
    print('network config:', wlan.ifconfig())





#________RFID Kart Okuma_________
def do_read():

    if uname()[0] == 'WiPy':
        rdr = mfrc522.MFRC522("GP14", "GP16", "GP15", "GP22", "GP17")
    elif uname()[0] == 'esp8266':
        rdr = mfrc522.MFRC522(0, 2, 4, 5, 14)
    else:
        raise RuntimeError("Unsupported platform")

    print("")
    print("Place card before reader to read from address 0x08")
    print("")

    try:
        while True:

            (stat, tag_type) = rdr.request(rdr.REQIDL)

            if stat == rdr.OK:

                (stat, raw_uid) = rdr.anticoll()

                if stat == rdr.OK:
#                    print("New card detected")
#                    print("  - tag type: 0x%02x" % tag_type)
#                    print("  - uid   : 0x%02x%02x%02x%02x%02x" % (raw_uid[0], raw_uid[1], raw_uid[2], raw_uid[3], raw_uid[4]))
#                    print("")
#                    print('liste uzunlugu'+str(len(raw_uid)))
                    return(str(raw_uid[0])+str(raw_uid[1])+str(raw_uid[2])+str(raw_uid[3])+str(raw_uid[4]))
#                    if rdr.select_tag(raw_uid) == rdr.OK:
#                        key = [0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF]
#                        if rdr.auth(rdr.AUTHENT1A, 8, key, raw_uid) == rdr.OK:
#                            print("Address 8 data: %s" % rdr.read(8))
#                            rdr.stop_crypto1()
#                        else:
#                            print("Authentication error")
#                    else:
#                        print("Failed to select tag")
#
    except KeyboardInterrupt:
        print("Bye")



#________Ekrana hata yazdirma ayari
import esp
esp.osdebug(0)          # redirect vendor O/S debugging messages to UART(0)



#___________Ana Program__________________
while True:

    try:
        var=do_read()
        if len(var)>0:
            icerik_gonder(var)
            print(var)
            sleep(0.6)

    except Exception as e:
        print(e)
        sleep(0.2)

        
    

#mfrc522.py ___________________________________
from machine import Pin, SPI
from os import uname


class MFRC522:

    OK = 0
    NOTAGERR = 1
    ERR = 2

    REQIDL = 0x26
    REQALL = 0x52
    AUTHENT1A = 0x60
    AUTHENT1B = 0x61

    def __init__(self, sck, mosi, miso, rst, cs):
        self.sck = Pin(sck, Pin.OUT)
        self.mosi = Pin(mosi, Pin.OUT)
        self.miso = Pin(miso)
        self.rst = Pin(rst, Pin.OUT)
        self.cs = Pin(cs, Pin.OUT)

        self.rst.value(0)
        self.cs.value(1)
        
        board = uname()[0]

        if board == 'WiPy' or board == 'LoPy' or board == 'FiPy':
            self.spi = SPI(0)
            self.spi.init(SPI.MASTER, baudrate=1000000, pins=(self.sck, self.mosi, self.miso))
        elif board == 'esp8266':
            self.spi = SPI(baudrate=100000, polarity=0, phase=0, sck=self.sck, mosi=self.mosi, miso=self.miso)
            self.spi.init()
        else:
            raise RuntimeError("Unsupported platform")

        self.rst.value(1)
        self.init()

    def _wreg(self, reg, val):

        self.cs.value(0)
        self.spi.write(b'%c' % int(0xff & ((reg << 1) & 0x7e)))
        self.spi.write(b'%c' % int(0xff & val))
        self.cs.value(1)

    def _rreg(self, reg):

        self.cs.value(0)
        self.spi.write(b'%c' % int(0xff & (((reg << 1) & 0x7e) | 0x80)))
        val = self.spi.read(1)
        self.cs.value(1)

        return val[0]

    def _sflags(self, reg, mask):
        self._wreg(reg, self._rreg(reg) | mask)

    def _cflags(self, reg, mask):
        self._wreg(reg, self._rreg(reg) & (~mask))

    def _tocard(self, cmd, send):

        recv = []
        bits = irq_en = wait_irq = n = 0
        stat = self.ERR

        if cmd == 0x0E:
            irq_en = 0x12
            wait_irq = 0x10
        elif cmd == 0x0C:
            irq_en = 0x77
            wait_irq = 0x30

        self._wreg(0x02, irq_en | 0x80)
        self._cflags(0x04, 0x80)
        self._sflags(0x0A, 0x80)
        self._wreg(0x01, 0x00)

        for c in send:
            self._wreg(0x09, c)
        self._wreg(0x01, cmd)

        if cmd == 0x0C:
            self._sflags(0x0D, 0x80)

        i = 2000
        while True:
            n = self._rreg(0x04)
            i -= 1
            if ~((i != 0) and ~(n & 0x01) and ~(n & wait_irq)):
                break

        self._cflags(0x0D, 0x80)

        if i:
            if (self._rreg(0x06) & 0x1B) == 0x00:
                stat = self.OK

                if n & irq_en & 0x01:
                    stat = self.NOTAGERR
                elif cmd == 0x0C:
                    n = self._rreg(0x0A)
                    lbits = self._rreg(0x0C) & 0x07
                    if lbits != 0:
                        bits = (n - 1) * 8 + lbits
                    else:
                        bits = n * 8

                    if n == 0:
                        n = 1
                    elif n > 16:
                        n = 16

                    for _ in range(n):
                        recv.append(self._rreg(0x09))
            else:
                stat = self.ERR

        return stat, recv, bits

    def _crc(self, data):

        self._cflags(0x05, 0x04)
        self._sflags(0x0A, 0x80)

        for c in data:
            self._wreg(0x09, c)

        self._wreg(0x01, 0x03)

        i = 0xFF
        while True:
            n = self._rreg(0x05)
            i -= 1
            if not ((i != 0) and not (n & 0x04)):
                break

        return [self._rreg(0x22), self._rreg(0x21)]

    def init(self):

        self.reset()
        self._wreg(0x2A, 0x8D)
        self._wreg(0x2B, 0x3E)
        self._wreg(0x2D, 30)
        self._wreg(0x2C, 0)
        self._wreg(0x15, 0x40)
        self._wreg(0x11, 0x3D)
        self.antenna_on()

    def reset(self):
        self._wreg(0x01, 0x0F)

    def antenna_on(self, on=True):

        if on and ~(self._rreg(0x14) & 0x03):
            self._sflags(0x14, 0x03)
        else:
            self._cflags(0x14, 0x03)

    def request(self, mode):

        self._wreg(0x0D, 0x07)
        (stat, recv, bits) = self._tocard(0x0C, [mode])

        if (stat != self.OK) | (bits != 0x10):
            stat = self.ERR

        return stat, bits

    def anticoll(self):

        ser_chk = 0
        ser = [0x93, 0x20]

        self._wreg(0x0D, 0x00)
        (stat, recv, bits) = self._tocard(0x0C, ser)

        if stat == self.OK:
            if len(recv) == 5:
                for i in range(4):
                    ser_chk = ser_chk ^ recv[i]
                if ser_chk != recv[4]:
                    stat = self.ERR
            else:
                stat = self.ERR

        return stat, recv

    def select_tag(self, ser):

        buf = [0x93, 0x70] + ser[:5]
        buf += self._crc(buf)
        (stat, recv, bits) = self._tocard(0x0C, buf)
        return self.OK if (stat == self.OK) and (bits == 0x18) else self.ERR

    def auth(self, mode, addr, sect, ser):
        return self._tocard(0x0E, [mode, addr] + sect + ser[:4])[0]

    def stop_crypto1(self):
        self._cflags(0x08, 0x08)

    def read(self, addr):

        data = [0x30, addr]
        data += self._crc(data)
        (stat, recv, _) = self._tocard(0x0C, data)
        return recv if stat == self.OK else None

    def write(self, addr, data):

        buf = [0xA0, addr]
        buf += self._crc(buf)
        (stat, recv, bits) = self._tocard(0x0C, buf)

        if not (stat == self.OK) or not (bits == 4) or not ((recv[0] & 0x0F) == 0x0A):
            stat = self.ERR
        else:
            buf = []
            for i in range(16):
                buf.append(data[i])
            buf += self._crc(buf)
            (stat, recv, bits) = self._tocard(0x0C, buf)
            if not (stat == self.OK) or not (bits == 4) or not ((recv[0] & 0x0F) == 0x0A):
                stat = self.ERR

        return stat





 
sonraki bilgi:      Az Uyuma bunama ilişkisi
önceki bilgi:       Doğrudan Teminle Mal Alımı Basamakları
 
 
Bu sayfaya 187  defa bakıldı

Bu internet sitesi kar amacı gütmemektedir. Bu içeriğin siteden kaldırılmasını istiyorsanız alttaki butonu kullanarak içeriğin kaldırılması için istekte bulunabilirsiniz.