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test: logging: add testcase for multi-instance log backend uart
Add testcase for the multi-instance log backend uart using emulated uart. Signed-off-by: Yong Cong Sin <ycsin@meta.com>
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# Copyright (c) 2023 Meta | ||
# SPDX-License-Identifier: Apache-2.0 | ||
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cmake_minimum_required(VERSION 3.20.0) | ||
find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE}) | ||
project(log_backend_uart_test) | ||
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FILE(GLOB app_sources src/*.c) | ||
target_sources(app PRIVATE ${app_sources}) |
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# Copyright (c) 2021 Nordic Semiconductor ASA | ||
# SPDX-License-Identifier: Apache-2.0 | ||
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module = SAMPLE_MODULE | ||
module-str = Test logging API | ||
source "subsys/logging/Kconfig.template.log_config" | ||
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source "Kconfig.zephyr" |
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/* | ||
* Copyright (c) 2023 Meta | ||
* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
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/ { | ||
chosen { | ||
zephyr,log-uart = &log_uarts; | ||
}; | ||
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log_uarts: log_uarts { | ||
compatible = "zephyr,log-uart"; | ||
uarts = <&euart0 &euart1>; | ||
}; | ||
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euart0: uart-emul0 { | ||
compatible = "zephyr,uart-emul"; | ||
status = "okay"; | ||
current-speed = <0>; | ||
rx-fifo-size = <256>; | ||
tx-fifo-size = <256>; | ||
}; | ||
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euart1: uart-emul1 { | ||
compatible = "zephyr,uart-emul"; | ||
status = "okay"; | ||
current-speed = <0>; | ||
rx-fifo-size = <256>; | ||
tx-fifo-size = <256>; | ||
}; | ||
}; |
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# Copyright (c) 2023 Meta | ||
# SPDX-License-Identifier: Apache-2.0 | ||
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CONFIG_ZTEST=y | ||
CONFIG_ASSERT=y | ||
CONFIG_TEST_LOGGING_DEFAULTS=n | ||
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CONFIG_LOG=y | ||
CONFIG_LOG_BACKEND_UART=y | ||
CONFIG_LOG_MODE_IMMEDIATE=y | ||
CONFIG_LOG_PRINTK=n |
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/* | ||
* Copyright (c) 2023 Meta | ||
* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
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/ { | ||
chosen { | ||
zephyr,log-uart = &log_uarts; | ||
}; | ||
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log_uarts: log_uarts { | ||
compatible = "zephyr,log-uart"; | ||
uarts = <&euart0>; | ||
}; | ||
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euart0: uart-emul0 { | ||
compatible = "zephyr,uart-emul"; | ||
status = "okay"; | ||
current-speed = <0>; | ||
rx-fifo-size = <256>; | ||
tx-fifo-size = <256>; | ||
}; | ||
}; |
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/* | ||
* Copyright (c) 2023 Meta | ||
* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
*/ | ||
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#include <zephyr/ztest.h> | ||
#include <zephyr/logging/log.h> | ||
#include <zephyr/logging/log_backend.h> | ||
#include <zephyr/drivers/uart.h> | ||
#include <zephyr/drivers/serial/uart_emul.h> | ||
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LOG_MODULE_REGISTER(test, CONFIG_SAMPLE_MODULE_LOG_LEVEL); | ||
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#define EMUL_UART_NUM DT_NUM_INST_STATUS_OKAY(zephyr_uart_emul) | ||
#define EMUL_UART_NODE(i) DT_NODELABEL(euart##i) | ||
#define EMUL_UART_DEV_INIT(i, _) DEVICE_DT_GET(EMUL_UART_NODE(i)) | ||
#define EMUL_UART_TX_FIFO_SIZE(i) DT_PROP(EMUL_UART_NODE(i), tx_fifo_size) | ||
#define SAMPLE_DATA_SIZE EMUL_UART_TX_FIFO_SIZE(0) | ||
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#define TEST_DATA "0123456789ABCDEF" | ||
BUILD_ASSERT(strlen(TEST_DATA) < SAMPLE_DATA_SIZE); | ||
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struct log_backend_uart_fixture { | ||
const struct device *dev[EMUL_UART_NUM]; | ||
}; | ||
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static void *uart_emul_setup(void) | ||
{ | ||
static struct log_backend_uart_fixture fixture = { | ||
.dev = {LISTIFY(EMUL_UART_NUM, EMUL_UART_DEV_INIT, (,))}}; | ||
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for (size_t i = 0; i < EMUL_UART_NUM; i++) { | ||
zassert_not_null(fixture.dev[i]); | ||
} | ||
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return &fixture; | ||
} | ||
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static void uart_emul_before(void *f) | ||
{ | ||
struct log_backend_uart_fixture *fixture = f; | ||
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for (size_t i = 0; i < EMUL_UART_NUM; i++) { | ||
uart_irq_tx_disable(fixture->dev[i]); | ||
uart_irq_rx_disable(fixture->dev[i]); | ||
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uart_emul_flush_rx_data(fixture->dev[i]); | ||
uart_emul_flush_tx_data(fixture->dev[i]); | ||
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uart_err_check(fixture->dev[i]); | ||
} | ||
} | ||
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ZTEST_F(log_backend_uart, test_log_backend_uart_multi_instance) | ||
{ | ||
zassert_equal(log_backend_count_get(), EMUL_UART_NUM, "Unexpected number of instance(s)"); | ||
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LOG_RAW(TEST_DATA); | ||
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for (size_t i = 0; i < EMUL_UART_NUM; i++) { | ||
uint8_t tx_content[SAMPLE_DATA_SIZE] = {0}; | ||
size_t tx_len; | ||
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tx_len = uart_emul_get_tx_data(fixture->dev[i], tx_content, sizeof(tx_content)); | ||
zassert_equal(tx_len, strlen(TEST_DATA), | ||
"%d: TX buffer length does not match. Expected %d, got %d", | ||
i, strlen(TEST_DATA), tx_len); | ||
zassert_mem_equal(tx_content, TEST_DATA, strlen(tx_content)); | ||
} | ||
} | ||
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ZTEST_SUITE(log_backend_uart, NULL, uart_emul_setup, uart_emul_before, NULL, NULL); |
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# Copyright (c) 2023 Meta | ||
# SPDX-License-Identifier: Apache-2.0 | ||
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common: | ||
tags: | ||
- logging | ||
- backend | ||
- uart | ||
platform_allow: qemu_x86 | ||
tests: | ||
logging.backend.uart.single: | ||
extra_args: DTC_OVERLAY_FILE="./single.overlay" | ||
logging.backend.uart.multi: | ||
extra_args: DTC_OVERLAY_FILE="./multi.overlay" |