79 lines
2.0 KiB
C
79 lines
2.0 KiB
C
/*
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* Copyright (c) 2022 Vestas Wind Systems A/S
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr/device.h>
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#include <zephyr/drivers/eeprom.h>
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#include <zephyr/drivers/eeprom/eeprom_fake.h>
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#include <zephyr/fff.h>
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#ifdef CONFIG_ZTEST
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#include <zephyr/ztest.h>
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#endif /* CONFIG_ZTEST */
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#define DT_DRV_COMPAT zephyr_fake_eeprom
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struct fake_eeprom_config {
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size_t size;
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};
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DEFINE_FAKE_VALUE_FUNC(int, fake_eeprom_read, const struct device *, off_t, void *, size_t);
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DEFINE_FAKE_VALUE_FUNC(int, fake_eeprom_write, const struct device *, off_t, const void *, size_t);
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DEFINE_FAKE_VALUE_FUNC(size_t, fake_eeprom_size, const struct device *);
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size_t fake_eeprom_size_delegate(const struct device *dev)
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{
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const struct fake_eeprom_config *config = dev->config;
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return config->size;
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}
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#ifdef CONFIG_ZTEST
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static void fake_eeprom_reset_rule_before(const struct ztest_unit_test *test, void *fixture)
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{
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ARG_UNUSED(test);
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ARG_UNUSED(fixture);
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RESET_FAKE(fake_eeprom_read);
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RESET_FAKE(fake_eeprom_write);
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RESET_FAKE(fake_eeprom_size);
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/* Re-install default delegate for reporting the EEPROM size */
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fake_eeprom_size_fake.custom_fake = fake_eeprom_size_delegate;
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}
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ZTEST_RULE(fake_eeprom_reset_rule, fake_eeprom_reset_rule_before, NULL);
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#endif /* CONFIG_ZTEST */
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static const struct eeprom_driver_api fake_eeprom_driver_api = {
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.read = fake_eeprom_read,
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.write = fake_eeprom_write,
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.size = fake_eeprom_size,
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};
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static int fake_eeprom_init(const struct device *dev)
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{
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ARG_UNUSED(dev);
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/* Install default delegate for reporting the EEPROM size */
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fake_eeprom_size_fake.custom_fake = fake_eeprom_size_delegate;
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return 0;
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}
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#define FAKE_EEPROM_INIT(inst) \
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static const struct fake_eeprom_config fake_eeprom_config_##inst = { \
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.size = DT_INST_PROP(inst, size), \
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}; \
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\
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DEVICE_DT_INST_DEFINE(inst, &fake_eeprom_init, NULL, NULL, \
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&fake_eeprom_config_##inst, \
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POST_KERNEL, CONFIG_EEPROM_INIT_PRIORITY, \
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&fake_eeprom_driver_api);
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DT_INST_FOREACH_STATUS_OKAY(FAKE_EEPROM_INIT)
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