80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
/*
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* Copyright (c) 2022 Thomas Stranger
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#define DT_DRV_COMPAT vnd_w1
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/*
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* This is not a real 1-Wire driver. It is only used to instantiate struct
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* devices for the "vnd,w1" devicetree compatibe used in test code.
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*/
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#include <zephyr/drivers/w1.h>
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struct w1_vnd_config {
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/** w1 master config, common to all drivers */
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struct w1_master_config master_config;
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};
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struct w1_vnd_data {
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/** w1 master data, common to all drivers */
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struct w1_master_data master_data;
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};
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static int w1_vnd_reset_bus(const struct device *dev)
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{
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return -ENOTSUP;
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}
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static int w1_vnd_read_bit(const struct device *dev)
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{
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return -ENOTSUP;
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}
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static int w1_vnd_write_bit(const struct device *dev, const bool bit)
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{
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return -ENOTSUP;
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}
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static int w1_vnd_read_byte(const struct device *dev)
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{
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return -ENOTSUP;
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}
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static int w1_vnd_write_byte(const struct device *dev, const uint8_t byte)
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{
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return -ENOTSUP;
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}
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static int w1_vnd_configure(const struct device *dev,
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enum w1_settings_type type, uint32_t value)
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{
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return -ENOTSUP;
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}
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static const struct w1_driver_api w1_vnd_api = {
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.reset_bus = w1_vnd_reset_bus,
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.read_bit = w1_vnd_read_bit,
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.write_bit = w1_vnd_write_bit,
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.read_byte = w1_vnd_read_byte,
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.write_byte = w1_vnd_write_byte,
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.configure = w1_vnd_configure,
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};
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static int w1_vnd_init(const struct device *dev)
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{
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return 0;
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}
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#define W1_VND_INIT(n) \
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static const struct w1_vnd_config w1_vnd_cfg_##inst = { \
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.master_config.slave_count = W1_INST_SLAVE_COUNT(inst) \
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}; \
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static struct w1_vnd_data w1_vnd_data_##inst = {}; \
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DEVICE_DT_INST_DEFINE(n, &w1_vnd_init, NULL, &w1_vnd_data_##inst, \
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&w1_vnd_cfg_##inst, POST_KERNEL, \
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CONFIG_W1_INIT_PRIORITY, &w1_vnd_api);
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DT_INST_FOREACH_STATUS_OKAY(W1_VND_INIT)
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