DHCOR STM32MP1 Linux
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Linux Userspace Commands
Unsing the internal RTC
- Read out the current date
# date
- Set a specific system time
# date -s "2020-01-30 10:00:00"
- Save the current system time to the RTC of the STM32MP1
# hwclock -w
- 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
