DHCOM STM32MP1 Linux: Difference between revisions
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|<tt>''./tty_rs485_test /dev/ttySTM2''</tt> | |<tt>''./tty_rs485_test /dev/ttySTM2''</tt> | ||
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:* [[media:Tty_rs485_test.zip | tty_rs485_test.c]] | |||
=== CAN interface === | === CAN interface === | ||
Revision as of 05:39, 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
