43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-06-19 thread-liu the first version
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*/
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#ifndef __DAC_H__
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#define __DAC_H__
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#include <rtthread.h>
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struct rt_dac_device;
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struct rt_dac_ops
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{
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rt_err_t (*disabled)(struct rt_dac_device *device, rt_uint32_t channel);
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rt_err_t (*enabled)(struct rt_dac_device *device, rt_uint32_t channel);
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rt_err_t (*convert)(struct rt_dac_device *device, rt_uint32_t channel, rt_uint32_t *value);
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};
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struct rt_dac_device
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{
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struct rt_device parent;
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const struct rt_dac_ops *ops;
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};
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typedef struct rt_dac_device *rt_dac_device_t;
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typedef enum
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{
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RT_DAC_CMD_ENABLE,
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RT_DAC_CMD_DISABLE,
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} rt_dac_cmd_t;
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rt_err_t rt_hw_dac_register(rt_dac_device_t dac,const char *name, const struct rt_dac_ops *ops, const void *user_data);
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rt_uint32_t rt_dac_write(rt_dac_device_t dev, rt_uint32_t channel, rt_uint32_t value);
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rt_err_t rt_dac_enable(rt_dac_device_t dev, rt_uint32_t channel);
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rt_err_t rt_dac_disable(rt_dac_device_t dev, rt_uint32_t channel);
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#endif /* __dac_H__ */
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