Add DB2OE Nextion layouts.

2025-12-22 16:25:45 +08:00 · 2017-08-20 12:35:03 +01:00
parent 9a7828566d
commit cd38a29156
38 changed files with 0 additions and 0 deletions
--- a/Nextion_G4KLX/nextion.py
+++ b/Nextion_G4KLX/nextion.py
@@ -0,0 +1,136 @@
+'''
+ *   Copyright (C) 2016 Alex Koren
+ *
+ *   This program is free software; you can redistribute it and/or modify
+ *   it under the terms of the GNU General Public License as published by
+ *   the Free Software Foundation; either version 2 of the License, or
+ *   (at your option) any later version.
+ *
+ *   This program is distributed in the hope that it will be useful,
+ *   but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *   GNU General Public License for more details.
+ *
+ *   You should have received a copy of the GNU General Public License
+ *   along with this program; if not, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+'''
+
+import serial
+import time
+import sys
+import os
+import re
+
+e = "\xff\xff\xff"
+
+def getBaudrate(ser, fSize=None, checkModel=None):
+    for baudrate in (2400, 4800, 9600, 19200, 38400, 57600, 115200):
+        ser.baudrate = baudrate
+        ser.timeout = 3000 / baudrate + .2
+        print 'Trying with baudrate: ' + str(baudrate) + '...'
+        ser.write("\xff\xff\xff")
+        ser.write('connect')
+        ser.write("\xff\xff\xff")
+        r = ser.read(128)
+        if 'comok' in r:
+            print 'Connected with baudrate: ' + str(baudrate) + '...'
+            noConnect = False
+            status, unknown1, model, fwversion, mcucode, serial, flashSize = r.strip("\xff\x00").split(',')
+            print 'Status: ' + status.split(' ')[0]
+            if status.split(' ')[1] == "1":
+                print 'Touchscreen: yes'
+            else:
+                print 'Touchscreen: no'
+            print 'Model: ' + model
+            print 'Firmware version: ' + fwversion
+            print 'MCU code: ' + mcucode
+            print 'Serial: ' + serial
+            print 'Flash size: ' + flashSize
+            if fSize and fSize > flashSize:
+                print 'File too big!'
+                return False
+            if checkModel and not checkModel in model:
+                print 'Wrong Display!'
+                return False
+            return True
+    return False
+
+def setDownloadBaudrate(ser, fSize, baudrate):
+    ser.write("")
+    ser.write("whmi-wri " + str(fSize) + "," + str(baudrate) + ",0" + e)
+    time.sleep(.05)
+    ser.baudrate = baudrate
+    ser.timeout = .5
+    r = ser.read(1)
+    if "\x05" in r:
+        return True
+    return False
+
+def transferFile(ser, filename, fSize):
+    with open(filename, 'rb') as hmif:
+        dcount = 0
+        while True:
+            data = hmif.read(4096)
+            if len(data) == 0:
+                break
+            dcount += len(data)
+            ser.timeout = 5
+            ser.write(data)
+            sys.stdout.write('\rDownloading, %3.1f%%...'% (dcount / float(fSize) * 100.0))
+            sys.stdout.flush()
+            ser.timeout = .5
+            time.sleep(.5)
+            r = ser.read(1)
+            if "\x05" in r:
+                continue
+            else:
+                print
+                return False
+                break
+        print
+    return True
+
+def upload(ser, filename, checkModel=None):
+    if not getBaudrate(ser, os.path.getsize(filename), checkModel):
+        print 'Could not find baudrate'
+        exit(1)
+
+    if not setDownloadBaudrate(ser, os.path.getsize(filename), 115200):
+        print 'Could not set download baudrate'
+        exit(1)
+
+    if not transferFile(ser, filename, os.path.getsize(filename)):
+        print 'Could not transfer file'
+        exit(1)
+
+    print 'File transferred successfully'
+    exit(0)
+
+if __name__ == "__main__":
+    if len(sys.argv) != 4 and len(sys.argv) != 3:
+        print 'usage:\npython nextion.py file_to_upload.tft /path/to/dev/ttyDevice [nextion_model_name]\
+        \nexample: nextion.py newUI.tft /dev/ttyUSB0 NX3224T024\
+        \nnote: model name is optional'
+        exit(1)
+
+    try:
+        ser = serial.Serial(sys.argv[2], 9600, timeout=5)
+    except serial.serialutil.SerialException:
+        print 'could not open serial device ' + sys.argv[2]
+        exit(1)
+    if serial.VERSION <= "3.0":
+        if not ser.isOpen():
+            ser.open()
+    else:
+        if not ser.is_open:
+            ser.open()
+
+    checkModel = None
+    if len(sys.argv) == 4:
+        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)