71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
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* Copyright (c) 2020 Innoseis B.V
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <errno.h>
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#include <zephyr/devicetree.h>
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#include <zephyr/drivers/eeprom.h>
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#include <zephyr/drivers/sensor/tmp116.h>
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#define DT_DRV_COMPAT ti_tmp116_eeprom
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struct eeprom_tmp116_config {
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const struct device *parent;
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};
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BUILD_ASSERT(CONFIG_EEPROM_INIT_PRIORITY >
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CONFIG_SENSOR_INIT_PRIORITY,
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"TMP116 eeprom driver must be initialized after TMP116 sensor "
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"driver");
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static size_t eeprom_tmp116_size(const struct device *dev)
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{
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return EEPROM_TMP116_SIZE;
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}
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static int eeprom_tmp116_write(const struct device *dev, off_t offset,
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const void *data, size_t len)
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{
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const struct eeprom_tmp116_config *config = dev->config;
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return tmp116_eeprom_write(config->parent, offset, data, len);
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}
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static int eeprom_tmp116_read(const struct device *dev, off_t offset, void *data,
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size_t len)
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{
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const struct eeprom_tmp116_config *config = dev->config;
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return tmp116_eeprom_read(config->parent, offset, data, len);
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}
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static int eeprom_tmp116_init(const struct device *dev)
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{
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const struct eeprom_tmp116_config *config = dev->config;
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if (!device_is_ready(config->parent)) {
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return -ENODEV;
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}
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return 0;
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}
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static const struct eeprom_driver_api eeprom_tmp116_api = {
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.read = eeprom_tmp116_read,
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.write = eeprom_tmp116_write,
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.size = eeprom_tmp116_size,
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};
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#define DEFINE_TMP116(_num) \
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static const struct eeprom_tmp116_config eeprom_tmp116_config##_num = { \
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.parent = DEVICE_DT_GET(DT_INST_BUS(_num)) \
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}; \
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DEVICE_DT_INST_DEFINE(_num, eeprom_tmp116_init, NULL, \
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NULL, &eeprom_tmp116_config##_num, POST_KERNEL, \
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CONFIG_EEPROM_INIT_PRIORITY, &eeprom_tmp116_api);
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DT_INST_FOREACH_STATUS_OKAY(DEFINE_TMP116);
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