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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 | /* * Copyright (c) 2018 Intel Corporation * * SPDX-License-Identifier: Apache-2.0 */ #include <zephyr.h> #include <device.h> #include <ztest.h> #include <misc/printk.h> #define DUMMY_PORT_1 "dummy" #define DUMMY_PORT_2 "dummy_driver" #define BAD_DRIVER "bad_driver" /** * @brief Test cases to verify device objects * * Verify zephyr device driver apis with different device types * * @defgroup kernel_device_tests Device * * @ingroup all_tests * * @{ */ /** * @brief Test device object binding * * Validates device binding for an existing and a non-existing device object. * It creates a dummy_driver device object with basic init and configuration * information and validates its binding. * * @see device_get_binding(), device_busy_set(), device_busy_clear(), * DEVICE_AND_API_INIT() */ void test_dummy_device(void) { struct device *dev; dev = device_get_binding(DUMMY_PORT_1); zassert_equal(dev, NULL, NULL); dev = device_get_binding(DUMMY_PORT_2); zassert_false((dev == NULL), NULL); device_busy_set(dev); device_busy_clear(dev); /* device_get_binding() returns false for device object * with failed init. */ dev = device_get_binding(BAD_DRIVER); zassert_true((dev == NULL), NULL); } /** * @brief Test device binding for existing device * * Validates device binding for an existing device object. * * @see device_get_binding(), DEVICE_AND_API_INIT() */ static void test_dynamic_name(void) { struct device *mux; char name[sizeof(DUMMY_PORT_2)]; snprintk(name, sizeof(name), "%s", DUMMY_PORT_2); mux = device_get_binding(name); zassert_true(mux != NULL, NULL); } /** * @brief Test device binding for non-existing device * * Validates binding of a random device driver(non-defined driver) named * "ANOTHER_BOGUS_NAME". * * @see device_get_binding(), DEVICE_AND_API_INIT() */ static void test_bogus_dynamic_name(void) { struct device *mux; char name[64]; snprintk(name, sizeof(name), "ANOTHER_BOGUS_NAME"); mux = device_get_binding(name); zassert_true(mux == NULL, NULL); } #ifdef CONFIG_DEVICE_POWER_MANAGEMENT /** * @brief Test system device list query API with PM enabled. * * It queries the list of devices in the system, used to suspend or * resume the devices in PM applications. * * @see device_list_get() */ static void build_suspend_device_list(void) { int devcount; struct device *devices; device_list_get(&devices, &devcount); zassert_false((devcount == 0), NULL); } /** * @brief Test device binding for existing device with PM enabled. * * Validates device binding for an existing device object with Power management * enabled. It also checks if the device is in the middle of a transaction, * sets/clears busy status and validates status again. * * @see device_get_binding(), device_busy_set(), device_busy_clear(), * device_busy_check(), device_any_busy_check(), * device_list_get(), device_set_power_state() */ void test_dummy_device_pm(void) { struct device *dev; int busy, ret; dev = device_get_binding(DUMMY_PORT_2); zassert_false((dev == NULL), NULL); busy = device_any_busy_check(); zassert_true((busy == 0), NULL); /* Set device state to DEVICE_PM_ACTIVE_STATE */ ret = device_set_power_state(dev, DEVICE_PM_ACTIVE_STATE, NULL, NULL); zassert_true((ret == 0), "Unable to set active state to device"); device_busy_set(dev); busy = device_any_busy_check(); zassert_false((busy == 0), NULL); busy = device_busy_check(dev); zassert_false((busy == 0), NULL); device_busy_clear(dev); busy = device_busy_check(dev); zassert_true((busy == 0), NULL); /* Set device state to DEVICE_PM_FORCE_SUSPEND_STATE */ ret = device_set_power_state(dev, DEVICE_PM_FORCE_SUSPEND_STATE, NULL, NULL); zassert_true((ret == 0), "Unable to force suspend device"); build_suspend_device_list(); } #else static void build_suspend_device_list(void) { ztest_test_skip(); } void test_dummy_device_pm(void) { ztest_test_skip(); } #endif /** * @} */ void test_main(void) { ztest_test_suite(device, ztest_unit_test(test_dummy_device_pm), ztest_unit_test(build_suspend_device_list), ztest_unit_test(test_dummy_device), ztest_user_unit_test(test_bogus_dynamic_name), ztest_user_unit_test(test_dynamic_name)); ztest_run_test_suite(device); } |