DHCOM STM32MP1 Linux: Difference between revisions

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=== RS-485 on picoITX ===
=== RS-485 on picoITX ===
:'''RS-485 device'''
:{| class="wikitable" style="width: 400px"
||DHCOM UART 2||<tt>/dev/ttySTM2</tt>
|}
:'''Compilation on target'''
:{| class="wikitable"
|<tt>''gcc tty_rs485_test.c -o tty_rs485_test''</tt>
|}
:'''Set tty device to raw mode'''
:{| class="wikitable"
|<tt>''stty -F /dev/ttySTM2 115200 cs8 raw -echo''</tt>
|}
:'''Send data with demo program'''
:{| class="wikitable"
|<tt>''echo -n -e "\n\rHallo RS485 Welt!" | ./tty_rs485_test /dev/ttySTM2''</tt>
|}
:'''Receive data with demo program'''
:{| class="wikitable"
|<tt>''./tty_rs485_test /dev/ttySTM2''</tt>
|}


=== CAN interface ===
=== CAN interface ===

Revision as of 05:34, 9 April 2020

Kernel Userspace Interfaces to Access Hardware

RS-485 on picoITX

RS-485 device
DHCOM UART 2 /dev/ttySTM2
Compilation on target
gcc tty_rs485_test.c -o tty_rs485_test
Set tty device to raw mode
stty -F /dev/ttySTM2 115200 cs8 raw -echo
Send data with demo program
./tty_rs485_test /dev/ttySTM2
Receive data with demo program
./tty_rs485_test /dev/ttySTM2

CAN interface