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Created Guide To Setup thermal printer from source code (markdown)

GNU 2022-06-05 20:02:10 +08:00
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Guide-To-Setup-thermal-printer-from-source-code.md Normal file

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# Prepare
Before everything
We assume that you have a Devterm with stock os running
and a little bit of Linux compiling experience
know how to install packages through `apt`
## CM3 or CM4
```
sudo apt install -y wiringpi libwiringpi-dev libcups2-dev
```
## A06 A04
```
git clone https://github.com/clockworkpi/DevTerm.git
cd DevTerm/Code/devterm_wiringpi_cpi/
sudo ./build
#chose 0 or 1 depend which board you have
```
## R01
```
git clone https://github.com/clockworkpi/DevTerm.git
wget https://github.com/WiringPi/WiringPi/archive/refs/tags/final_official_2.50.tar.gz
tar zxvf final_official_2.50.tar.gz
cd WiringPi-final_official_2.50/
cp ../DevTerm/Code/patch/d1/wiringCP0329.patch .
git apply wiringCP0329.patch
sudo ./build
#Choice: 2
```
# Compile thermal printer code
```
git clone https://github.com/clockworkpi/DevTerm.git
cd DevTerm/Code/thermal_printer
make
sudo systemctl stop devterm-printer
sudo cp -rf devterm_thermal_printer.elf /usr/local/bin
sudo systemctl start devterm-printer
```
## debug or run it from manually
1. setup socat socket for data receving for thermal printer
```
sudo socat -d -d pty,link=/tmp/DEVTERM_PRINTER_OUT,raw,echo=0 pty,link=/tmp/DEVTERM_PRINTER_IN,raw,echo=0
sudo ./usr/local/bin/devterm_socat.sh # <- this .sh file is in DevTerm/Code/thermal_printer/usr/local/bin/
```
1. run devterm_thermal_printer.elf
```
sudo ./devterm_thermal_printer.elf
```
now you can test the printer by cat or echo something into `/tmp/DEVTERM_PRINTER_IN`
eg: `echo "hello world\n\n\n\n\n\n\n\n\n\n" > /tmp/DEVTERM_PRINTER_IN
## For cups
just install `devterm-thermal-printer-cups`
``` sudo apt install devterm-thermal-printer-cups```
this package will add a CUPS serial printer adapter,a CUPS filter for the DevTerm's thermal printer
and will let other programs to print content through image printing using DevTerm's thermal printer
source code is in https://github.com/clockworkpi/DevTerm/tree/main/Code/devterm_thermal_printer_cups
all devterm related deb packages available at
https://github.com/clockworkpi/apt