55 lines
1.2 KiB
C
55 lines
1.2 KiB
C
/*
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* Copyright (c) 2021, Commonwealth Scientific and Industrial Research
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* Organisation (CSIRO) ABN 41 687 119 230.
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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/*
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* This is not a real ADC driver. It is used to instantiate struct
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* devices for the "vnd,adc" devicetree compatible used in test code.
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*/
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#define DT_DRV_COMPAT vnd_adc
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#include <zephyr/drivers/adc.h>
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#include <zephyr/device.h>
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#include <zephyr/kernel.h>
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static int vnd_adc_channel_setup(const struct device *dev,
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const struct adc_channel_cfg *channel_cfg)
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{
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return -ENOTSUP;
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}
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static int vnd_adc_read(const struct device *dev,
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const struct adc_sequence *sequence)
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{
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return -ENOTSUP;
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}
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#ifdef CONFIG_ADC_ASYNC
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static int vnd_adc_read_async(const struct device *dev,
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const struct adc_sequence *sequence,
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struct k_poll_signal *async)
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{
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return -ENOTSUP;
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}
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#endif
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static const struct adc_driver_api vnd_adc_api = {
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.channel_setup = vnd_adc_channel_setup,
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.read = vnd_adc_read,
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#ifdef CONFIG_ADC_ASYNC
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.read_async = vnd_adc_read_async,
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#endif
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};
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#define VND_ADC_INIT(n) \
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DEVICE_DT_INST_DEFINE(n, NULL, NULL, NULL, NULL, \
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POST_KERNEL, \
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CONFIG_KERNEL_INIT_PRIORITY_DEVICE, \
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&vnd_adc_api);
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DT_INST_FOREACH_STATUS_OKAY(VND_ADC_INIT)
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