-
-
Notifications
You must be signed in to change notification settings - Fork 32
/
_P211_RC522.py
167 lines (155 loc) · 4.71 KB
/
_P211_RC522.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
#!/usr/bin/env python3
#############################################################################
################## RC522 RFID Reader for RPIEasy ############################
#############################################################################
#
# Copyright (C) 2020 by Alexander Nagy - https://bitekmindenhol.blog.hu/
#
import plugin
import webserver
import rpieGlobals
import rpieTime
import misc
import time
import gpios
from mfrc522 import MFRC522
class Plugin(plugin.PluginProto):
PLUGIN_ID = 211
PLUGIN_NAME = "RFID - RC522"
PLUGIN_VALUENAME1 = "Tag"
def __init__(self,taskindex): # general init
plugin.PluginProto.__init__(self,taskindex)
self.dtype = rpieGlobals.DEVICE_TYPE_SPI
self.vtype = rpieGlobals.SENSOR_TYPE_TEXT
self.valuecount = 1
self.senddataoption = True
self.timeroption = False
self.timeroptional = False
self.formulaoption = False
self.reader = None
self.lastread = 0
self.readinprogress = 0
self.trigger = 0
def plugin_init(self,enableplugin=None):
plugin.PluginProto.plugin_init(self,enableplugin)
self.decimals[0] = -1
self.initialized = False
if self.enabled:
try:
spil = self.spi
except:
spil = -1
try:
rstpin = self.taskdevicepin[0]
except:
rstpin = -1
spil = -1
try:
ipin = self.taskdevicepin[1]
except:
ipin = -1
spil = -1
if spil>-1:
try:
gpios.HWPorts.remove_event_detect(int(ipin))
except:
pass
try:
self.reader = MFRC522(bus=spil,device=self.spidnum,pin_rst=rstpin)
self.initialized = True
self.timer100ms = True
self.readinprogress = 0
self.trigger = 0
self.lastread = 0
try:
if ipin>-1:
gpios.HWPorts.add_event_detect(int(ipin),gpios.FALLING,self.callback)
except:
pass
self.rc_clear_irq()
misc.addLog(rpieGlobals.LOG_LEVEL_DEBUG,"RC522 init ok")
except Exception as e:
self.initialized = False
misc.addLog(rpieGlobals.LOG_LEVEL_ERROR,"RC522 init error:"+str(e))
if self.initialized==False:
self.timer100ms = False
def timer_ten_per_second(self):
if self.timer100ms and self.initialized and self.trigger==0 and self.readinprogress==0:
self.trigger=1
try:
self.rc_activate_trigger()
except:
pass
self.trigger=0
return self.timer100ms
def callback(self,channel):
if self.readinprogress==0:
self.readinprogress = 1
if time.time()-self.lastread>=2: #do not retrigger within 2 seconds
id = None
try:
c = 0
while not id and c<3:
id = self.rc_read_id_no_block()
c += 1
except Exception as e:
id = None
if id is not None:
self.set_value(1,str(id),True)
self.lastread = time.time()
self._lastdataservetime = rpieTime.millis()
else:
time.sleep(0.5) #suppress quick readings
self.readinprogress = 0
self.rc_clear_irq()
if self.trigger==0:
self.rc_activate_trigger()
def rc_uid_to_num(self,uid):
n = 0
for i in range(0, 5):
n = n * 256 + uid[i]
return n
def rc_read_id_no_block(self):
(status, TagType) = self.reader.MFRC522_Request(self.reader.PICC_REQIDL)
if status != self.reader.MI_OK:
return None
(status, uid) = self.reader.MFRC522_Anticoll()
if status != self.reader.MI_OK:
return None
return self.rc_uid_to_num(uid)
def rc_activate_trigger(self):
self.reader.Write_MFRC522(0x09,0x26)
self.reader.Write_MFRC522(0x01,0x0C)
self.reader.Write_MFRC522(0x0D,0x87)
def rc_clear_irq(self):
self.reader.Write_MFRC522(0x04,0x7F) # clear all active irq
self.reader.Write_MFRC522(0x02,0xA0) # ComIEnReg active low, receive int
def webform_load(self): # create html page for settings
webserver.addFormPinSelect("Reset pin (required)","taskdevicepin1",self.taskdevicepin[0])
webserver.addFormNote("Set to an Output pin connected to RC522 reset pin!")
webserver.addFormPinSelect("IRQ pin (required)","taskdevicepin2",self.taskdevicepin[1])
webserver.addFormNote("Set to an Input-Pullup pin connected to RC522 IRQ pin!")
return True
def webform_save(self,params): # process settings post reply
changed = False
par = webserver.arg("taskdevicepin1",params)
if par == "":
par = 25
pval = self.taskdevicepin[0]
self.taskdevicepin[0] = int(par)
if pval != self.taskdevicepin[0]:
changed = True
par = webserver.arg("taskdevicepin2",params)
if par == "":
par = 18
pval = self.taskdevicepin[1]
self.taskdevicepin[1] = int(par)
if pval != self.taskdevicepin[1]:
changed = True
if changed:
self.plugin_init()
return True
def plugin_exit(self):
self.initialized = False
self.timer100ms = False
return True