1'''
2SD - SD_write.py with synchronous mode.
3
4This example demonstrates how to read a message from SD card from WifiDAQE3AH.
5
6-------------------------------------------------------------------------------------
7Please change correct serial number or IP and port number BEFORE you run example code.
8
9For other examples please check:
10 https://github.com/WPC-Systems-Ltd/WPC_Python_driver_release/tree/main/examples
11See README.md file to get detailed usage of this example.
12
13Copyright (c) 2022-2024 WPC Systems Ltd. All rights reserved.
14'''
15
16## Python
17import time
18
19## WPC
20
21from wpcsys import pywpc
22
23def main():
24 ## Get Python driver version
25 print(f'{pywpc.PKG_FULL_NAME} - Version {pywpc.__version__}')
26
27 ## Create device handle
28 dev = pywpc.WifiDAQE3AH()
29
30 ## Connect to device
31 try:
32 dev.connect("192.168.5.38") ## Depend on your device
33 except Exception as err:
34 pywpc.printGenericError(err)
35 ## Release device handle
36 dev.close()
37 return
38
39 try:
40 ## Parameters setting
41 filename = "WPC_test.txt"
42 read_bytes = 5
43 mode = 1 ## 0 : write, 1 : read
44 timeout = 3 ## second
45
46 ## Open file in sdcard
47 err = dev.SD_openFile(filename, mode, timeout)
48 print(f"SD_openFile, status: {err}")
49
50 ## Get sdcard storage
51 storage = dev.SD_getStorage(timeout)
52 print(f"SD_getStorage: {storage}")
53
54 ## Read data form sdcard
55 read_data = dev.SD_readFile(read_bytes, timeout)
56 print(f"SD_readFile, data: {read_data}")
57
58 ## Close file in sdcard
59 err = dev.SD_closeFile(timeout)
60 print(f"SD_closeFile, status: {err}")
61 except Exception as err:
62 pywpc.printGenericError(err)
63
64 ## Disconnect network device
65 dev.disconnect()
66
67 ## Release device handle
68 dev.close()
69
70 return
71if __name__ == '__main__':
72 main()