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hakehuangcarlescufi
hakehuang
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carlescufi
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tests: add mcux edma channel link test
test minor/major link mode on frdm_k64f and mimxrt1060_evk log as below: Running test suite dma_m2m_link_test =================================================================== START - test_dma_m2m_chan0_1_major_link Preparing DMA Controller: Chan_ID=1, BURST_LEN=1 Starting the transfer DMA transfer done ch 0 It is harder to be kind than to be wise........ It is harder to PASS - test_dma_m2m_chan0_1_major_link =================================================================== START - test_dma_m2m_chan0_1_minor_link Preparing DMA Controller: Chan_ID=1, BURST_LEN=1 Starting the transfer DMA transfer done ch 0 It is harder to be kind than to be wise........ It is harder to be kind than to PASS - test_dma_m2m_chan0_1_minor_link =================================================================== START - test_dma_m2m_chan0_1_minor_major_link Preparing DMA Controller: Chan_ID=1, BURST_LEN=1 Starting the transfer DMA transfer done ch 0 DMA transfer done ch 1 It is harder to be kind than to be wise........ It is harder to be kind than to be wise........ PASS - test_dma_m2m_chan0_1_minor_major_link =================================================================== Test suite dma_m2m_link_test succeeded =================================================================== PROJECT EXECUTION SUCCESSFUL Signed-off-by: Hake Huang <[email protected]>
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‎tests/drivers/dma/chan_link_transfer/CMakeLists.txt‎

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# SPDX-License-Identifier: Apache-2.0
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cmake_minimum_required(VERSION 3.13.1)
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find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE})
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project(chan_link_transfer)
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FILE(GLOB app_sources src/*.c)
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target_sources(app PRIVATE ${app_sources})

‎tests/drivers/dma/chan_link_transfer/prj.conf‎

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CONFIG_DMA=y
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CONFIG_ZTEST=y
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CONFIG_LOG=y
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CONFIG_DMA_LOG_LEVEL_INF=y

‎tests/drivers/dma/chan_link_transfer/prj_shell.conf‎

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CONFIG_DMA=y
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CONFIG_ZTEST=y
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CONFIG_CONSOLE_HANDLER=y
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CONFIG_SHELL=y

‎tests/drivers/dma/chan_link_transfer/src/main.c‎

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/*
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* Copyright (c) 2020 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr.h>
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#include <ztest.h>
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extern void test_dma_m2m_chan0_1_major_link(void);
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extern void test_dma_m2m_chan0_1_minor_link(void);
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extern void test_dma_m2m_chan0_1_minor_major_link(void);
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#ifdef CONFIG_SHELL
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TC_CMD_DEFINE(test_dma_m2m_chan0_1_major_link)
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TC_CMD_DEFINE(test_dma_m2m_chan0_1_minor_link)
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TC_CMD_DEFINE(test_dma_m2m_chan0_1_minor_major_link)
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SHELL_CMD_REGISTER(test_dma_m2m_chan0_1_major_link, NULL, NULL,
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TC_CMD_ITEM(test_dma_m2m_chan0_1_major_link));
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SHELL_CMD_REGISTER(test_dma_m2m_chan0_1_minor_link, NULL, NULL,
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TC_CMD_ITEM(test_dma_m2m_chan0_1_minor_link));
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SHELL_CMD_REGISTER(test_dma_m2m_chan0_1_minor_major_link, NULL, NULL,
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TC_CMD_ITEM(test_dma_m2m_chan0_1_minor_major_link));
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#endif
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void test_main(void)
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{
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#ifndef CONFIG_SHELL
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ztest_test_suite(
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dma_m2m_link_test,
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ztest_unit_test(test_dma_m2m_chan0_1_major_link),
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ztest_unit_test(test_dma_m2m_chan0_1_minor_link),
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ztest_unit_test(test_dma_m2m_chan0_1_minor_major_link));
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ztest_run_test_suite(dma_m2m_link_test);
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#endif
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}

‎tests/drivers/dma/chan_link_transfer/src/test_dma.c‎

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/*
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* Copyright (c) 2020 NXP
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/**
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* @file
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* @brief Verify zephyr dma link transfer
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* @details
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* - Test Steps
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* -# Set dma channel configuration including source/dest addr, burstlen
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* -# Set direction memory-to-memory
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* -# Start transfer tx -> rx
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* -# after a major/minor loop trigger another channel to transfer, rx -> rx2
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* - Expected Results
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* -# Data is transferred correctly from src to dest
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*/
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#include <zephyr.h>
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#include <drivers/dma.h>
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#include <ztest.h>
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#define DMA_DEVICE_NAME CONFIG_DMA_0_NAME
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#define TEST_DMA_CHANNEL_0 (0)
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#define TEST_DMA_CHANNEL_1 (1)
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#define RX_BUFF_SIZE (48)
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#ifdef CONFIG_NOCACHE_MEMORY
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static __aligned(32) char tx_data[RX_BUFF_SIZE] __used
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__attribute__((__section__(".nocache")));
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static const char TX_DATA[] = "It is harder to be kind than to be wise........";
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static __aligned(32) char rx_data[RX_BUFF_SIZE] __used
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__attribute__((__section__(".nocache.dma")));
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static __aligned(32) char rx_data2[RX_BUFF_SIZE] __used
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__attribute__((__section__(".nocache.dma")));
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#else
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static const char tx_data[] = "It is harder to be kind than to be wise........";
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static char rx_data[RX_BUFF_SIZE] = { 0 };
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static char rx_data2[RX_BUFF_SIZE] = { 0 };
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#endif
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static void test_done(const struct device *dma_dev, void *arg, uint32_t id,
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int error_code)
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{
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if (error_code == 0) {
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TC_PRINT("DMA transfer done ch %d\n", id);
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} else {
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TC_PRINT("DMA transfer met an error\n");
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}
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}
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static int test_task(int minor, int major)
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{
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struct dma_config dma_cfg = { 0 };
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struct dma_block_config dma_block_cfg = { 0 };
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const struct device *dma = device_get_binding(DMA_DEVICE_NAME);
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if (!dma) {
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TC_PRINT("Cannot get dma controller\n");
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return TC_FAIL;
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}
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#ifdef CONFIG_NOCACHE_MEMORY
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memcpy(tx_data, TX_DATA, sizeof(TX_DATA));
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#endif
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dma_cfg.channel_direction = MEMORY_TO_MEMORY;
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dma_cfg.source_data_size = 1U;
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dma_cfg.dest_data_size = 1U;
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dma_cfg.source_burst_length = 16;
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dma_cfg.dest_burst_length = 16;
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dma_cfg.dma_callback = test_done;
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dma_cfg.complete_callback_en = 0U;
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dma_cfg.error_callback_en = 1U;
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dma_cfg.block_count = 1U;
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dma_cfg.head_block = &dma_block_cfg;
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#ifdef CONFIG_DMA_MCUX_TEST_SLOT_START
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dma_cfg.dma_slot = CONFIG_DMA_MCUX_TEST_SLOT_START;
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#endif
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TC_PRINT("Preparing DMA Controller: Chan_ID=%u, BURST_LEN=%u\n",
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TEST_DMA_CHANNEL_1, 8 >> 3);
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TC_PRINT("Starting the transfer\n");
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(void)memset(rx_data, 0, sizeof(rx_data));
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(void)memset(rx_data2, 0, sizeof(rx_data2));
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dma_block_cfg.block_size = sizeof(tx_data);
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dma_block_cfg.source_address = (uint32_t)tx_data;
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dma_block_cfg.dest_address = (uint32_t)rx_data2;
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if (dma_config(dma, TEST_DMA_CHANNEL_1, &dma_cfg)) {
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TC_PRINT("ERROR: transfer\n");
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return TC_FAIL;
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}
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#ifdef CONFIG_DMA_MCUX_TEST_SLOT_START
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dma_cfg.dma_slot = CONFIG_DMA_MCUX_TEST_SLOT_START + 1;
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#endif
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dma_cfg.source_chaining_en = minor;
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dma_cfg.dest_chaining_en = major;
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dma_cfg.linked_channel = TEST_DMA_CHANNEL_1;
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dma_block_cfg.block_size = sizeof(tx_data);
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dma_block_cfg.source_address = (uint32_t)tx_data;
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dma_block_cfg.dest_address = (uint32_t)rx_data;
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if (dma_config(dma, TEST_DMA_CHANNEL_0, &dma_cfg)) {
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TC_PRINT("ERROR: transfer\n");
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return TC_FAIL;
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}
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if (dma_start(dma, TEST_DMA_CHANNEL_0)) {
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TC_PRINT("ERROR: transfer\n");
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return TC_FAIL;
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}
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k_sleep(K_MSEC(2000));
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TC_PRINT("%s\n", rx_data);
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TC_PRINT("%s\n", rx_data2);
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if (minor == 0 && major == 1) {
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/* major link only trigger lined channel minor loop once */
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if (strncmp(tx_data, rx_data2,
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dma_cfg.source_burst_length) != 0)
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return TC_FAIL;
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} else if (minor == 1 && major == 0) {
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/* minor link trigger linked channel except the last one*/
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if (strncmp(tx_data, rx_data2,
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dma_block_cfg.block_size - dma_cfg.source_burst_length) != 0)
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return TC_FAIL;
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} else if (minor == 1 && major == 1) {
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if (strcmp(tx_data, rx_data2) != 0)
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return TC_FAIL;
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}
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return TC_PASS;
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}
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/* export test cases */
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void test_dma_m2m_chan0_1_major_link(void)
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{
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zassert_true((test_task(0, 1) == TC_PASS), NULL);
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}
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void test_dma_m2m_chan0_1_minor_link(void)
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{
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zassert_true((test_task(1, 0) == TC_PASS), NULL);
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}
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void test_dma_m2m_chan0_1_minor_major_link(void)
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{
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zassert_true((test_task(1, 1) == TC_PASS), NULL);
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}

‎tests/drivers/dma/chan_link_transfer/testcase.yaml‎

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tests:
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drivers.dma:
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min_ram: 16
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depends_on: dma
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tags: drivers dma
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platform_allow: frdm_k64f mimxrt1060_evk
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drivers.dma.interactive:
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depends_on: dma
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extra_args: CONF_FILE=prj_shell.conf
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min_ram: 16
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tags: drivers dma
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harness: keyboard
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platform_allow: frdm_k64f mimxrt1060_evk

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