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Merge pull request #201 from phl0/nextion.py

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Add proper error handling to nextion.py
This commit is contained in:
Jonathan Naylor
2016-11-06 21:58:31 +00:00
committed by GitHub
parent 4f94ed375c 3f6a34a8b5
commit 29a8f7fd94
1 changed files with 9 additions and 3 deletions
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12
Nextion/nextion.py
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@@ -20,6 +20,7 @@ import serial
import time import time
import sys import sys
import os import os
import re
e = "\xff\xff\xff" e = "\xff\xff\xff"
@@ -105,9 +106,10 @@ if __name__ == "__main__":
\nnote: model name is optional' \nnote: model name is optional'
exit(1) exit(1)
ser = serial.Serial(sys.argv[2], 9600, timeout=5) try:
if not ser: ser = serial.Serial(sys.argv[2], 9600, timeout=5)
print 'could not open device' except serial.serialutil.SerialException:
print 'could not open serial device ' + sys.argv[2]
exit(1) exit(1)
if not ser.is_open: if not ser.is_open:
ser.open() ser.open()
@@ -115,4 +117,8 @@ if __name__ == "__main__":
checkModel = None checkModel = None
if len(sys.argv) == 4: if len(sys.argv) == 4:
checkModel = sys.argv[3] checkModel = sys.argv[3]
pattern = re.compile("^NX\d{4}[TK]\d{3}$")
if not pattern.match(checkModel):
print 'Invalid model name. Please give a correct one (e.g. NX3224T024)'
exit(1)
upload(ser, sys.argv[1], checkModel) upload(ser, sys.argv[1], checkModel)