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36 lines
896 B
C
36 lines
896 B
C
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/*
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* Generic i2c ops
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*
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* These ops always appear first in an implementation-specific
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* object, so the generic ops can be cast to the implementation-
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* specific object in the handlers.
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*
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* Written in 2010-2020 by Andy Green <andy@warmcat.com>
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*
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* This file is made available under the Creative Commons CC0 1.0
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* Universal Public Domain Dedication.
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*/
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#if !defined(__LWS_I2C_H__)
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#define __LWS_I2C_H__
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#include <stdint.h>
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#include <stddef.h>
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typedef struct lws_i2c_ops {
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int (*start)(struct lws_i2c_ops *ctx);
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void (*stop)(struct lws_i2c_ops *ctx);
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int (*write)(struct lws_i2c_ops *ctx, uint8_t data);
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int (*read)(struct lws_i2c_ops *ctx);
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void (*set_ack)(struct lws_i2c_ops *octx, int ack);
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} lws_i2c_ops_t;
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int
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lws_i2c_command(lws_i2c_ops_t *ctx, uint8_t ads, uint8_t c);
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int
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lws_i2c_command_list(lws_i2c_ops_t *ctx, uint8_t ads, const uint8_t *buf, size_t len);
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#endif
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