33 lines
857 B
C
33 lines
857 B
C
#ifndef GS_UTIL_DRIVERS_I2C_MASTER_H
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#define GS_UTIL_DRIVERS_I2C_MASTER_H
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/* Copyright (c) 2013-2018 GomSpace A/S. All rights reserved. */
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/**
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@file
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I2C master interface.
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*/
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#include <gs/util/drivers/i2c/common.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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Perform transaction to I2C slave.
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@param[in] device hardware device (bus)
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@param[in] addr slave address
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@param[in] tx transmit buffer
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@param[in] txlen number of bytes to transmit
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@param[out] rx receive buffer - can be NULL.
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@param[in] rxlen number of bytes to receive.
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@param[in] timeout_ms timeout in milliseconds, primarily for locking the I2C channel.
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@return_gs_error_t
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*/
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gs_error_t gs_i2c_master_transaction(uint8_t device, uint8_t addr, const void * tx, size_t txlen, void * rx, size_t rxlen, int timeout_ms);
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#ifdef __cplusplus
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}
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#endif
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#endif
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