DHCOR STM32MP1 Linux: Difference between revisions
From Wiki-DB
Jump to navigationJump to search
No edit summary |
|||
Line 4: | Line 4: | ||
:'''Unsing the internal RTC''' | :'''Unsing the internal RTC''' | ||
:At first the time needs to be set: | |||
:{| class="wikitable" style="width: | :{| class="wikitable" style="width: 500px" | ||
|| | ||Display current time||''# date''</tt> | ||
|- | |||
||Change time ||''# date -s "2020-01-30 10:00:00"''</tt> | |||
|} | |} | ||
:Next save the current time to the internal RTC: | |||
:{| class="wikitable" style="width: 500px" | |||
||Save the current time to the hardware clock||''# hwclock -w'' | |||
|} | |||
Revision as of 08:52, 22 July 2020
PAGE IS UNDER CONSTRUCTION!
Linux Userspace Commands
- Unsing the internal RTC
- At first the time needs to be set:
Display current time # date Change time # date -s "2020-01-30 10:00:00"
- Next save the current time to the internal RTC:
Save the current time to the hardware clock # hwclock -w
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
- Download example source code