test: add adc_dma test application

add adc_dma test application
enable periodic_trigger flag for adc edma

enable for frdm_k64f and frdm_k82f

Signed-off-by: Hake Huang <[email protected]>

Author: hakehuang

tests/drivers/adc/adc_dma/CMakeLists.txt

@@ -0,0 +1,9 @@
+# SPDX-License-Identifier: Apache-2.0
+
+cmake_minimum_required(VERSION 3.13.1)
+
+find_package(Zephyr HINTS $ENV{ZEPHYR_BASE})
+project(adc_dma)
+
+FILE(GLOB app_sources src/*.c)
+target_sources(app PRIVATE ${app_sources})

tests/drivers/adc/adc_dma/boards/frdm_k64f.conf

@@ -0,0 +1,7 @@
+#
+# Copyright (c) 2020, NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+CONFIG_ADC_MCUX_ADC16_ENABLE_EDMA=y

tests/drivers/adc/adc_dma/boards/frdm_k64f.overlay

@@ -0,0 +1,12 @@
+/*
+* Copyright (c) 2020, NXP
+*
+* SPDX-License-Identifier: Apache-2.0
+*/
+&adc0 {
+	clk-source = <0>;
+	hw-trigger-src = <4>;
+	continuous-convert;
+	high-speed;
+	periodic-trigger;
+};

tests/drivers/adc/adc_dma/boards/frdm_k82f.conf

@@ -0,0 +1,7 @@
+#
+# Copyright (c) 2020, NXP
+#
+# SPDX-License-Identifier: Apache-2.0
+#
+
+CONFIG_ADC_MCUX_ADC16_ENABLE_EDMA=y

tests/drivers/adc/adc_dma/boards/frdm_k82f.overlay

@@ -0,0 +1,12 @@
+/*
+* Copyright (c) 2020, NXP
+*
+* SPDX-License-Identifier: Apache-2.0
+*/
+&adc0 {
+	clk-source = <0>;
+	hw-trigger-src = <4>;
+	continuous-convert;
+	high-speed;
+	periodic-trigger;
+};

tests/drivers/adc/adc_dma/prj.conf

@@ -0,0 +1,10 @@
+CONFIG_ZTEST=y
+
+CONFIG_ADC=y
+CONFIG_ADC_ASYNC=y
+CONFIG_ADC_LOG_LEVEL_INF=y
+CONFIG_HEAP_MEM_POOL_SIZE=1024
+CONFIG_TEST_USERSPACE=y
+CONFIG_DMA=y
+CONFIG_COUNTER=y
+CONFIG_ADC_MCUX_ADC16_HW_TRIGGER=y

tests/drivers/adc/adc_dma/src/main.c

@@ -0,0 +1,39 @@
+/*
+ * Copyright (c) 2020, NXP
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+
+#include <zephyr.h>
+#include <ztest.h>
+
+extern void test_adc_sample_one_channel(void);
+extern void test_adc_sample_two_channels(void);
+extern void test_adc_asynchronous_call(void);
+extern void test_adc_sample_with_interval(void);
+extern void test_adc_repeated_samplings(void);
+extern void test_adc_invalid_request(void);
+extern const struct device *get_adc_device(void);
+extern const struct device *get_count_device(void);
+extern struct k_poll_signal async_sig;
+
+void test_main(void)
+{
+	k_object_access_grant(get_adc_device(), k_current_get());
+	k_object_access_grant(get_count_device(), k_current_get());
+#ifdef CONFIG_ADC_ASYNC
+	k_object_access_grant(&async_sig, k_current_get());
+	k_poll_signal_init(&async_sig);
+	k_thread_system_pool_assign(k_current_get());
+#endif
+
+	ztest_test_suite(adc_dma_test,
+			 ztest_user_unit_test(test_adc_sample_one_channel),
+			 ztest_user_unit_test(test_adc_sample_two_channels),
+			 ztest_user_unit_test(test_adc_asynchronous_call),
+			 ztest_unit_test(test_adc_sample_with_interval),
+			 ztest_unit_test(test_adc_repeated_samplings),
+			 ztest_user_unit_test(test_adc_invalid_request));
+	ztest_run_test_suite(adc_dma_test);
+}