PI-STAR API for NEXTION,#MMDVM

API DOC
Not found,  but you can find the code define from G4KLX Project

https://github.com/g4klx/MMDVMHost/blob/master/Nextion.h
https://github.com/g4klx/MMDVMHost/blob/master/Nextion.cpp

Flash Nextion Firmware online(ssh),

thanks Peng Hui Ping VR2VYE provide this method ,from now not need TF Card. Video demo follow my facebook status and the end of this article.

First publish in https://www.facebook.com/winters.cn/posts/1620668804697067

*Now not support board 4 PINs header output mode, Pi-Star setting Nextion (Modem)

Prepare tools

1x USBtoTTL Adapter, such as CP2102, PL2303 model

require pyserial runtime

How to do

1) login ssh mode:

http://pi-star:2222

default login

usr: pi-star

pas: raspberry

Copy the follow RED text ,then Ctrl+V, and press ENTER,

Notice that rpi-rw, sudo su , su pi-star, just support one line one time

#Change system to Read and Write

rpi-rw

Step 1, Install require runtime . VERY IMPORTANT!

sudo su; 

rpi-rw; 

cd /tmp;

git clone https://github.com/pyserial/pyserial.git;

cd pyserial;

python setup.py install;

#When install  runtime complete,change to pi-star user

su pi-star

cd /home/pi-star

#Download nextion.py

wget https://raw.githubusercontent.com/g4klx/MMDVMHost/master/Nextion_G4KLX/nextion.py

Step 2, download Nextion firmware (*.tft not *.HMI)

#Download Nextion firmware to current directory

#for 4.3 inch NX4827T043

wget https://github.com/nano-mmdvm/Duplex_hotSPOT/raw/master/nextion/NX4827T043_G4KLX_ShowIP_by_BI7JTA.tft

#for 3.2 inch NX4024T032

wget https://github.com/nano-mmdvm/Duplex_hotSPOT/raw/master/nextion/NX4024T032_G4KLX_ShowIP_by_BI7JTA.tft

Step 3, flash use command 

#5) Stop MMDVMHost serice

sudo pistar-watchdog.service stop; sudo systemctl stop mmdvmhost.timer; sudo systemctl stop mmdvmhost.service

#6)Flash to /dev/ttyUSB0

python nextion.py NX4827T043_G4KLX_ShowIP_by_BI7JTA.tft /dev/ttyUSB0

#Flash to /dev/S2 when using modem,4 PINs header

Now not support

#7) Startup MMDVMHost service

sudo pistar-watchdog.service start; sudo systemctl start mmdvmhost.timer; sudo systemctl start mmdvmhost.service