Loading...
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 | /* * Copyright (c) 2018 Intel Corporation * * SPDX-License-Identifier: Apache-2.0 */ #include <zephyr.h> #include <device.h> #include <init.h> #include <ztest.h> #include <sys/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); } static struct init_record { bool pre_kernel; bool is_in_isr; bool is_pre_kernel; } init_records[4]; static struct init_record *rp = init_records; static int add_init_record(bool pre_kernel) { rp->pre_kernel = pre_kernel; rp->is_pre_kernel = k_is_pre_kernel(); rp->is_in_isr = k_is_in_isr(); ++rp; return 0; } static int pre1_fn(struct device *dev) { return add_init_record(true); } static int pre2_fn(struct device *dev) { return add_init_record(true); } static int post_fn(struct device *dev) { return add_init_record(false); } static int app_fn(struct device *dev) { return add_init_record(false); } SYS_INIT(pre1_fn, PRE_KERNEL_1, 0); SYS_INIT(pre2_fn, PRE_KERNEL_2, 0); SYS_INIT(post_fn, POST_KERNEL, 0); SYS_INIT(app_fn, APPLICATION, 0); /** * @brief Test detection of initialization before kernel services available. * * Confirms check is correct. * * @see k_is_pre_kernel() */ void test_pre_kernel_detection(void) { struct init_record *rpe = rp; zassert_equal(rp - init_records, 4U, "bad record count"); rp = init_records; while ((rp < rpe) && rp->pre_kernel) { zassert_equal(rp->is_in_isr, false, "rec %zu isr", rp - init_records); zassert_equal(rp->is_pre_kernel, true, "rec %zu pre-kernel", rp - init_records); ++rp; } zassert_equal(rp - init_records, 2U, "bad pre-kernel count"); while (rp < rpe) { zassert_equal(rp->is_in_isr, false, "rec %zu isr", rp - init_records); zassert_equal(rp->is_pre_kernel, false, "rec %zu post-kernel", rp - init_records); ++rp; } } #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_unit_test(test_pre_kernel_detection), ztest_user_unit_test(test_bogus_dynamic_name), ztest_user_unit_test(test_dynamic_name)); ztest_run_test_suite(device); } |