NEXTION LCD FONT WIZARD FULL
I wish they hadn't bothered with the arduino library as I'm sure without it someone would have made a full featured one that worked. Nextion HMI pricing seems pretty darn good though. Nextion Editor seems pretty darn good though. So much time was wasted chasing things I thought must have been an issue with my code because they are so basic. I'm only posting to point out to newcomers not to assume anything really works in the nextion arduino library. I use that ray guys modification and it works fine however if I load the original library many commands are not always received by the arduino (at baud rate of 115200 I haven't tested other speeds). Serail communication is so poor it gets unusable. (get around this by specifying name to object as page0. NexNumber just doesn't work above 16 bits (modified mine)Īll NexTouch objects are setup specifying page id/object id/name but if you happen to use the same names on different pages set functions will change the values on whatever page the nextion screen happens to be on.
I gotta say nextion arduino library seems really buggy at least to a novice like me. So, what should I do? Just keep it to myself, or is there somewhere else I can post it that it might be easy for others to find and use? You can'y even send them a message without creating an account on their website.
Their forum is no longer available, and apparently all support is now paid. I thought it would be nice to pass the updated library back to Nextion, but they apparently no longer have ANY interest in communication with customers. ALL other interfaces are unchanged, except that they now work reliably. The ONLY change I made to the interface is to the init call, to make it easier to work with other baud rates. I've been using the modified library for weeks, and it works perfectly. I looked at the code, and found whoever wrote had not the slightest clue what they were doing, as the code does some monumentally STOOOOPID things, like randomly tossing anything from a single character to entire messages! So, I basically scrapped virtually all of their communications code, and re-wrote it so it now works as it should.
NEXTION LCD FONT WIZARD SERIAL
If you leave your Serial.print() commands in this case they will send data to the Nextion.As many people are aware, the Arduino library provided by Nextion is, well, The way it handles the serial communications is about as brain-dead as it can be, and often causes lost messages, especially event messages, and sometimes causes the whole system to just hang. If you are using an Arduino with only one hardware serial port (like the Arduino UNO) and want to use hardware serial you will have to use "#define nextion Serial" AND will need to remove all code that uses Serial for debugging. Note that you can replace "Serial1" with Serial or Serial2 or whatever Serial ports your particular Arduino has. SoftwareSerial nextion(2, 3) // Nextion TX to pin 2 and RX to pin 3 of ArduinoĪdd the following define to assign a hardware serial port to "nextion": However, Hardware Serial can be used also:Ĭomment out the following code (line 47):
NEXTION LCD FONT WIZARD SOFTWARE
NOTE: The examples use Software Serial to communicate with the Nextion. Nextion LCD Touchscreen Library Functions
Nextion LCD Touchscreen Tutorial for Arduino A simple arduino library for the Itead Nextion HMI
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