-
Notifications
You must be signed in to change notification settings - Fork 0
/
new_relay_control.py
95 lines (79 loc) · 3.19 KB
/
new_relay_control.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
# -*- coding: utf-8 -*-
import RPi.GPIO as GPIO
import serial
from time import sleep
'''2路继电器开关控制函数,单独继电器开关控制和全部开关控制'''
class relay(object):
def __init__(self):
self.relay_all_on_order = ['02 05 00 00 FF 00 8C 09', '02 05 00 01 FF 00 DD C9',
'02 0F 00 00 00 08 01 FF FE C0']
self.relay_all_off_order = ['02 05 00 00 00 00 CD F9', '02 05 00 01 00 00 9C 39',
'02 0F 00 00 00 08 01 00 BE 80']
self.relay1 = 1
self.relay2 = 2
self.all_relay = 3
self.port = '/dev/ttyAMA0'
def relay_send(self, send_order):
if self.port:
relay_serial = serial.Serial(self.port, 9600)
GPIO.setmode(GPIO.BCM)
GPIO.setup(17, GPIO.OUT)
if not relay_serial.isOpen():
relay_serial.Open()
while True:
GPIO.output(17, GPIO.HIGH)
sleep(0.01)
relay_serial.write(bytes.fromhex(send_order))
# relay_serial.write(bytes(send_order))
sleep(0.01)
GPIO.output(17, GPIO.LOW)
count = relay_serial.inWaiting()
if count > 0:
GPIO.output(17, GPIO.LOW)
sleep(0.01)
recv = relay_serial.read(count)
GPIO.output(17, GPIO.HIGH)
sleep(0.01)
print("recv: ", recv)
# recv_bytes = binascii.b2a_hex(recv)
# recv_str = binascii.b2a_hex(recv_bytes).decode('utf-8')
recv_str = str(recv.hex())
print("recv_str: ", recv_str)
if recv_str == "00":
print("error")
else:
return recv_str
sleep(0.5)
def ALL_ON(self):
send_order = self.relay_all_on_order[self.all_relay - 3]
print(send_order)
get_return = self.relay_send(send_order)
return get_return
def ALL_OFF(self):
send_order = self.relay_all_off_order[self.all_relay - 3]
get_return = self.relay_send(send_order)
print("继电器控制: ALL_RELAY_OFF")
return get_return
def RELAY1_ON(self):
send_order = self.relay_all_on_order[self.relay1 - 1]
get_return = self.relay_send(send_order)
print("继电器控制: RELAY1_ON")
return get_return
def RELAY1_OFF(self):
send_order = self.relay_all_off_order[self.relay1 - 1]
get_return = self.relay_send(send_order)
print("继电器控制: RELAY1_OFF")
return get_return
def RELAY2_ON(self):
send_order = self.relay_all_on_order[self.relay2 - 1]
get_return = self.relay_send(send_order)
print("继电器控制: RELAY2_ON")
return get_return
def RELAY2_OFF(self):
send_order = self.relay_all_off_order[self.relay2 - 1]
get_return = self.relay_send(send_order)
print("继电器控制: RELAY2_OFF")
return get_return
# if __name__ == "__main__":
# relay = relay()
# relay.port = '/dev/ttyAMA0'