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tests: drivers: uart: Add test for async API using two instance
Add test which is using two independent UART devices. Validate behavior of asynchronous API. Signed-off-by: Krzysztof Chruściński <[email protected]>
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‎tests/drivers/uart/uart_async_dual/CMakeLists.txt

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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.20.0)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(uart_async_dual)
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target_sources(app PRIVATE src/main.c)

‎tests/drivers/uart/uart_async_dual/Kconfig

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# Copyright (c) 2024 Nordic Semiconductor ASA
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# SPDX-License-Identifier: Apache-2.0
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config UART_ASYNC_DUAL_TEST_TIMEOUT
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int "Single test case length (in milliseconds)"
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# For the simulated devices, which are run by default in CI, we set it to less to not spend too
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# much CI time
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default 500 if SOC_SERIES_BSIM_NRFXX
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default 3000
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help
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For how many loops will the stress test run. The higher this number the longer the
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test and therefore the higher likelihood an unlikely race/event will be triggered.
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config PM_RUNTIME_IN_TEST
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bool "Use runtime PM in the test"
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select PM_DEVICE
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select PM_DEVICE_RUNTIME
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# Include Zephyr's Kconfig
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source "Kconfig"

‎tests/drivers/uart/uart_async_dual/boards/nrf52_bsim.overlay

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/* SPDX-License-Identifier: Apache-2.0 */
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&pinctrl {
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uart0_default: uart0_default {
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group1 {
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psels = <NRF_PSEL(UART_RX, 1, 1)>,
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<NRF_PSEL(UART_TX, 1, 2)>,
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<NRF_PSEL(UART_RTS, 1, 3)>,
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<NRF_PSEL(UART_CTS, 1, 4)>;
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};
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};
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uart0_sleep: uart0_sleep {
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group1 {
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psels = <NRF_PSEL(UART_RX, 1, 1)>,
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<NRF_PSEL(UART_TX, 1, 2)>,
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<NRF_PSEL(UART_RTS, 1, 3)>,
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<NRF_PSEL(UART_CTS, 1, 4)>;
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low-power-enable;
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};
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};
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};
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dut: &uart0 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart0_default>;
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pinctrl-1 = <&uart0_sleep>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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zephyr,pm-device-runtime-auto;
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};
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&timer0 {
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status = "okay";
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interrupts = <8 0>;
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};
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/ {
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busy-sim {
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compatible = "vnd,busy-sim";
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status = "okay";
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counter = <&timer0>;
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};
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};

‎tests/drivers/uart/uart_async_dual/boards/nrf54h20dk_nrf54h20_common.dtsi

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/* SPDX-License-Identifier: Apache-2.0 */
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&pinctrl {
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uart134_alt_default: uart134_alt_default {
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group1 {
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psels = <NRF_PSEL(UART_RX, 0, 6)>;
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bias-pull-up;
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};
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group2 {
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psels = <NRF_PSEL(UART_RTS, 0, 8)>;
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};
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};
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uart134_alt_sleep: uart134_alt_sleep {
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group1 {
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psels = <NRF_PSEL(UART_RX, 0, 6)>,
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<NRF_PSEL(UART_RTS, 0, 8)>;
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low-power-enable;
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};
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};
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uart137_alt_default: uart137_alt_default {
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group1 {
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psels = <NRF_PSEL(UART_TX, 0, 7)>;
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};
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group2 {
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psels = <NRF_PSEL(UART_CTS, 0, 9)>;
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bias-pull-up;
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};
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};
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uart137_alt_sleep: uart137_alt_sleep {
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group1 {
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psels = <NRF_PSEL(UART_TX, 0, 7)>,
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<NRF_PSEL(UART_CTS, 0, 9)>;
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low-power-enable;
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};
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};
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uart120_default_alt: uart120_default_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 7, 7)>,
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<NRF_PSEL(UART_RTS, 7, 5)>;
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};
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group2 {
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psels = <NRF_PSEL(UART_RX, 7, 4)>,
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<NRF_PSEL(UART_CTS, 7, 6)>;
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bias-pull-up;
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};
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};
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uart120_sleep_alt: uart120_sleep_alt {
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group1 {
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psels = <NRF_PSEL(UART_TX, 7, 7)>,
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<NRF_PSEL(UART_RX, 7, 4)>,
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<NRF_PSEL(UART_RTS, 7, 5)>,
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<NRF_PSEL(UART_CTS, 7, 6)>;
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low-power-enable;
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};
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};
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};
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dut: &uart134 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart134_alt_default>;
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pinctrl-1 = <&uart134_alt_sleep>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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zephyr,pm-device-runtime-auto;
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};
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dut_aux: &uart137 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart137_alt_default>;
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pinctrl-1 = <&uart137_alt_sleep>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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zephyr,pm-device-runtime-auto;
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};
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dut2: &uart120 {
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pinctrl-0 = <&uart120_default_alt>;
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pinctrl-1 = <&uart120_sleep_alt>;
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pinctrl-names = "default", "sleep";
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current-speed = <115200>;
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hw-flow-control;
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zephyr,pm-device-runtime-auto;
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};
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&timer137 {
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status = "okay";
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interrupts = <467 0>;
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};
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/ {
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busy-sim {
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compatible = "vnd,busy-sim";
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status = "okay";
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counter = <&timer137>;
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};
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};

‎tests/drivers/uart/uart_async_dual/boards/nrf54h20dk_nrf54h20_cpuapp.conf

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CONFIG_PM_DEVICE=y
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CONFIG_PM_DEVICE_RUNTIME=y

‎tests/drivers/uart/uart_async_dual/boards/nrf54h20dk_nrf54h20_cpuapp.overlay

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/* SPDX-License-Identifier: Apache-2.0 */
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#include "nrf54h20dk_nrf54h20_common.dtsi"
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&dut {
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memory-regions = <&cpuapp_dma_region>;
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};
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&dut_aux {
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memory-regions = <&cpuapp_dma_region>;
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};
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&dma_fast_region {
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status = "okay";
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};
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&dut2 {
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status = "okay";
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memory-regions = <&dma_fast_region>;
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};

‎tests/drivers/uart/uart_async_dual/boards/nrf54h20dk_nrf54h20_cpuppr.overlay

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/* SPDX-License-Identifier: Apache-2.0 */
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#include "nrf54h20dk_nrf54h20_common.dtsi"
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&timer137 {
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interrupts = <467 (NRF_DEFAULT_IRQ_PRIORITY + 1)>;
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};

‎tests/drivers/uart/uart_async_dual/boards/nrf54h20dk_nrf54h20_cpurad.overlay

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/* SPDX-License-Identifier: Apache-2.0 */
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#include "nrf54h20dk_nrf54h20_common.dtsi"
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&dut {
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memory-regions = <&cpurad_dma_region>;
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};
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&dut_aux {
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memory-regions = <&cpurad_dma_region>;
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};

‎tests/drivers/uart/uart_async_dual/boards/nrf54l15dk_nrf54l15_cpuapp.overlay

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/* SPDX-License-Identifier: Apache-2.0 */
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&pinctrl {
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uart21_default: uart21_default {
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group1 {
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psels = <NRF_PSEL(UART_RX, 1, 8)>;
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bias-pull-up;
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};
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group2 {
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psels = <NRF_PSEL(UART_RTS, 1, 10)>;
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};
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};
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uart21_sleep: uart21_sleep {
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group1 {
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psels = <NRF_PSEL(UART_RX, 1, 8)>,
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<NRF_PSEL(UART_RTS, 1, 10)>;
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low-power-enable;
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};
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};
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uart22_default: uart22_default {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 9)>;
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};
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group2 {
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psels = <NRF_PSEL(UART_CTS, 1, 11)>;
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bias-pull-up;
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};
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};
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uart22_sleep: uart22_sleep {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 9)>,
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<NRF_PSEL(UART_CTS, 1, 11)>;
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low-power-enable;
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};
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};
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};
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dut: &uart21 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart21_default>;
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pinctrl-1 = <&uart21_sleep>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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};
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dut_aux: &uart22 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart22_default>;
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pinctrl-1 = <&uart22_sleep>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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};
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&timer20 {
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status = "okay";
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interrupts = <202 0>;
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};
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/ {
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busy-sim {
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compatible = "vnd,busy-sim";
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status = "okay";
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counter = <&timer20>;
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};
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};

‎tests/drivers/uart/uart_async_dual/boards/nrf54l15pdk_nrf54l15_cpuapp.overlay

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/* SPDX-License-Identifier: Apache-2.0 */
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&pinctrl {
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uart21_default: uart21_default {
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group1 {
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psels = <NRF_PSEL(UART_RX, 1, 8)>;
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bias-pull-up;
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};
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group2 {
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psels = <NRF_PSEL(UART_RTS, 1, 10)>;
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};
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};
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uart21_sleep: uart21_sleep {
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group1 {
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psels = <NRF_PSEL(UART_RX, 1, 8)>,
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<NRF_PSEL(UART_RTS, 1, 10)>;
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low-power-enable;
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};
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};
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uart22_default: uart22_default {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 9)>;
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};
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group2 {
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psels = <NRF_PSEL(UART_CTS, 1, 11)>;
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bias-pull-up;
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};
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};
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uart22_sleep: uart22_sleep {
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group1 {
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psels = <NRF_PSEL(UART_TX, 1, 9)>,
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<NRF_PSEL(UART_CTS, 1, 11)>;
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low-power-enable;
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};
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};
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};
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dut: &uart21 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart21_default>;
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pinctrl-1 = <&uart21_sleep>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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zephyr,pm-device-runtime-auto;
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};
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dut_aux: &uart22 {
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status = "okay";
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current-speed = <115200>;
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pinctrl-0 = <&uart22_default>;
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pinctrl-1 = <&uart22_sleep>;
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pinctrl-names = "default", "sleep";
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hw-flow-control;
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zephyr,pm-device-runtime-auto;
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};
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&timer20 {
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status = "okay";
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interrupts = <202 0>;
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};
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/ {
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busy-sim {
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compatible = "vnd,busy-sim";
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status = "okay";
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counter = <&timer20>;
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};
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};

‎tests/drivers/uart/uart_async_dual/boards/nrf9160dk_nrf9160.conf

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CONFIG_UART_NRFX_UARTE_ENHANCED_RX=y

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