refer to:
https://infocenter.nordicsemi.com/index.jsp?topic=%2Fug_nrf91_dk%2FUG%2Fnrf91_DK%2Fboard_controller.html
devzone.nordicsemi.com/.../problem-with-uart0-on-nrf9160dk
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Hardware
SW10 turn to NRF52
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
create in
~/ncs/zephyr/samples/hello_world/nrf9160dk_nrf52840.overlay
&uart0 {
compatible = "nordic,nrf-uarte";
current-speed = <115200>;
status = "okay";
tx-pin = <5>;
rx-pin = <3>;
rts-pin = <0xffffffff>;
cts-pin = <0xffffffff>;
};
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
~/ncs/zephyr/boards/arm/nrf9160dk_nrf52840/nrf9160dk_nrf52840_defconfig
#add
CONFIG_UART_INTERRUPT_DRIVEN=y
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
SES IDE
project Hello world
Board Name: nrf9160dk_nrf52840
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.config
#
# Serial Drivers
#
CONFIG_UART_NRFX=y
CONFIG_UART_0_NRF_UARTE=y
CONFIG_UART_0_ENHANCED_POLL_OUT=y
# CONFIG_UART_0_NRF_PARITY_BIT is not set
CONFIG_UART_0_NRF_TX_BUFFER_SIZE=32
CONFIG_NRF_UARTE_PERIPHERAL=y
# CONFIG_UART_ALTERA_JTAG is not set
# CONFIG_UART_XLNX_UARTLITE is not set
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
another rs232 usb
cat /dev/ttyUSB0
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
can not read any char from Uart0, how do i do? need help
