Artila Matrix-520 Manuel de l'utilisateur - Page 14
Parcourez en ligne ou téléchargez le pdf Manuel de l'utilisateur pour {nom_de_la_catégorie} Artila Matrix-520. Artila Matrix-520 17 pages. Linux arm9 industry box computer
Matrix-520 User Guide
4.3 lcdctl
lcdctl is used to control the LCD display. Use lcdctl to display user message, please prepare 2x18 text
message and save it as a file. Then use lcdctl filename to display the message on the LCD screen.
Use lcdctl —ip 0 to display the ip address of the network setting on the LCD screen. The parameter
time is the refresh rate in second and use lcdctl —cpu 0 to display the system loading information.
4.4 gpioctl
gpioctl is used to control the programmable digital I/O port located on the DB25 connector. Following
example is to configure DIO1 as digital input and DIO2 as digital output with low output state.
4.5 vplay
vplay is used to play audio file in wave format.
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