| /* |
| * Copyright (c) 2020 Seagate Technology LLC |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr.h> |
| #include <ztest.h> |
| #include <drivers/led.h> |
| |
| #define BRIGHTNESS_MAX 100 |
| #define TEST_MAX_COLORS 8 |
| #define COLOR_FULL 0xff |
| |
| #if DT_NODE_HAS_STATUS(DT_ALIAS(led_controller_0), okay) |
| #define LED_CTRL_NODE_ID DT_ALIAS(led_controller_0) |
| #define LED_CTRL_DEV_NAME DT_LABEL(LED_CTRL_NODE_ID) |
| #else |
| #error "LED controller device not found" |
| #endif |
| |
| #define _COLOR_MAPPING(led_node_id) \ |
| const uint8_t test_color_mapping_##led_node_id[] = \ |
| DT_PROP(led_node_id, color_mapping) |
| |
| #define COLOR_MAPPING(led_node_id) \ |
| IF_ENABLED(DT_NODE_HAS_PROP(led_node_id, color_mapping), \ |
| (_COLOR_MAPPING(led_node_id);)) |
| |
| #define LED_INFO_COLOR(led_node_id) \ |
| { \ |
| .label = DT_LABEL(led_node_id), \ |
| .index = DT_PROP_OR(led_node_id, index, 0), \ |
| .num_colors = \ |
| DT_PROP_LEN(led_node_id, color_mapping), \ |
| .color_mapping = test_color_mapping_##led_node_id, \ |
| }, |
| |
| #define LED_INFO_NO_COLOR(led_node_id) \ |
| { \ |
| .label = DT_LABEL(led_node_id), \ |
| .index = DT_PROP_OR(led_node_id, index, 0), \ |
| .num_colors = 0, \ |
| .color_mapping = NULL, \ |
| }, |
| |
| #define LED_INFO(led_node_id) \ |
| COND_CODE_1(DT_NODE_HAS_PROP(led_node_id, color_mapping), \ |
| (LED_INFO_COLOR(led_node_id)), \ |
| (LED_INFO_NO_COLOR(led_node_id))) |
| |
| #define LED_CONTROLLER_INFO(node_id) \ |
| \ |
| DT_FOREACH_CHILD(node_id, COLOR_MAPPING) \ |
| \ |
| const struct led_info test_led_info[] = { \ |
| DT_FOREACH_CHILD(node_id, LED_INFO) \ |
| }; \ |
| \ |
| static ZTEST_DMEM int num_leds = ARRAY_SIZE(test_led_info) |
| |
| LED_CONTROLLER_INFO(LED_CTRL_NODE_ID); |
| |
| static ZTEST_BMEM const struct device *led_ctrl; |
| |
| const struct device *get_led_controller(void) |
| { |
| return device_get_binding(LED_CTRL_DEV_NAME); |
| } |
| |
| void test_led_setup(void) |
| { |
| led_ctrl = get_led_controller(); |
| zassert_not_null(led_ctrl, |
| "LED controller " LED_CTRL_DEV_NAME " not found"); |
| |
| zassert_not_equal(num_leds, 0, |
| "No LEDs subnodes found in DT for controller " |
| LED_CTRL_DEV_NAME); |
| } |
| |
| void test_led_get_info(void) |
| { |
| uint8_t led; |
| int ret; |
| |
| if (!led_ctrl || !num_leds) |
| ztest_test_skip(); |
| |
| for (led = 0; led < num_leds; led++) { |
| const struct led_info *info; |
| uint8_t col; |
| |
| ret = led_get_info(led_ctrl, led, &info); |
| if (ret == -ENOTSUP) { |
| TC_PRINT("led_get_info() syscall is not supported.\n"); |
| ztest_test_skip(); |
| return; |
| } |
| |
| zassert_equal(ret, 0, "LED %d - led_get_info() error (ret=%d)", |
| led, ret); |
| |
| zassert_true(!strcmp(info->label, test_led_info[led].label), |
| "LED %d - label: %s instead of %s", |
| led, info->label, test_led_info[led].label); |
| |
| zassert_equal(info->index, test_led_info[led].index, |
| "LED %d - index: %d instead of %d", led, |
| info->index, test_led_info[led].index); |
| |
| zassert_equal(info->num_colors, test_led_info[led].num_colors, |
| "LED %d - num_colors: %d instead of %d", led, |
| info->num_colors, test_led_info[led].num_colors); |
| |
| TC_PRINT("LED %d - label: %s, index: %d, num_colors: %d", |
| led, info->label, info->index, info->num_colors); |
| |
| if (!info->num_colors) |
| continue; |
| |
| TC_PRINT(" color_mapping: "); |
| |
| for (col = 0; col < info->num_colors; col++) { |
| zassert_equal(info->color_mapping[col], |
| test_led_info[led].color_mapping[col], |
| "LED %d - color_mapping[%d]=%d instead of %d", |
| led, col, info->color_mapping[col], |
| test_led_info[led].color_mapping[col]); |
| TC_PRINT("%d", info->color_mapping[col]); |
| } |
| TC_PRINT("\n"); |
| } |
| } |
| |
| void test_led_on(void) |
| { |
| uint8_t led; |
| int ret; |
| |
| if (!led_ctrl || !num_leds) |
| ztest_test_skip(); |
| |
| for (led = 0; led < num_leds; led++) { |
| ret = led_on(led_ctrl, led); |
| zassert_equal(ret, 0, "LED %d - failed to turn on", led); |
| } |
| } |
| |
| void test_led_off(void) |
| { |
| uint8_t led; |
| int ret; |
| |
| if (!led_ctrl || !num_leds) |
| ztest_test_skip(); |
| |
| for (led = 0; led < num_leds; led++) { |
| ret = led_off(led_ctrl, led); |
| zassert_equal(ret, 0, "LED %d - failed to turn off", led); |
| } |
| } |
| |
| void test_led_set_color(void) |
| { |
| uint8_t led; |
| uint8_t colors[TEST_MAX_COLORS + 1]; |
| int ret; |
| |
| if (!led_ctrl || !num_leds) |
| ztest_test_skip(); |
| |
| for (led = 0; led < num_leds; led++) { |
| uint8_t num_colors = test_led_info[led].num_colors; |
| uint8_t col; |
| |
| if (num_colors > TEST_MAX_COLORS) { |
| TC_PRINT("LED %d - skip set_color test, num_colors: %d" |
| " (test limit is %d)", |
| led, num_colors, TEST_MAX_COLORS); |
| continue; |
| } |
| |
| memset(colors, 0, sizeof(colors)); |
| |
| /* Try to set more colors than supported. */ |
| ret = led_set_color(led_ctrl, led, num_colors + 1, colors); |
| zassert_not_equal(ret, 0, "LED %d - setting %d" |
| " colors should fail (%d supported)", |
| led, num_colors + 1, num_colors); |
| |
| if (!num_colors) { |
| continue; |
| } |
| |
| /* Try to set less colors than supported. */ |
| ret = led_set_color(led_ctrl, led, num_colors - 1, colors); |
| zassert_not_equal(ret, 0, "LED %d - setting %d" |
| " colors should fail (%d supported)", |
| led, num_colors - 1, num_colors); |
| |
| /* Ensure the LED is on to get a visual feedback. */ |
| led_set_brightness(led_ctrl, led, BRIGHTNESS_MAX / 2); |
| |
| /* Set each color gradually to its maximum level. */ |
| for (col = 0; col < num_colors; col++) { |
| uint16_t level; |
| |
| memset(colors, 0, sizeof(colors)); |
| |
| for (level = 0; level <= COLOR_FULL; level++) { |
| colors[col] = level; |
| |
| ret = led_set_color(led_ctrl, led, |
| num_colors, colors); |
| zassert_equal(ret, 0, |
| "LED %d - failed to set color[%d] to %d", |
| led, level); |
| } |
| } |
| } |
| } |
| |
| void test_led_set_brightness(void) |
| { |
| uint8_t led; |
| int ret; |
| |
| if (!led_ctrl || !num_leds) |
| ztest_test_skip(); |
| |
| for (led = 0; led < num_leds; led++) { |
| uint16_t level; |
| |
| for (level = 0; level <= BRIGHTNESS_MAX; level++) { |
| ret = led_set_brightness(led_ctrl, led, level); |
| zassert_equal(ret, 0, |
| "LED %d - failed to set brightness to %d", |
| led, level); |
| } |
| for (level = BRIGHTNESS_MAX + 1; level <= 255; level++) { |
| ret = led_set_brightness(led_ctrl, led, level); |
| zassert_not_equal(ret, 0, |
| "LED %d - setting brightness to %d" |
| " should fail (maximum: %d)", |
| led, level, BRIGHTNESS_MAX); |
| } |
| } |
| } |