61 lines
1.8 KiB
C
61 lines
1.8 KiB
C
/*-
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* Free/Libre Near Field Communication (NFC) library
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*
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* Libnfc historical contributors:
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* Copyright (C) 2009 Roel Verdult
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* Copyright (C) 2009-2013 Romuald Conty
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* Copyright (C) 2010-2012 Romain Tarti?re
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* Copyright (C) 2010-2013 Philippe Teuwen
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* Copyright (C) 2012-2013 Ludovic Rousseau
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* Additional contributors of this file:
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*
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* This program is free software: you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by the
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* Free Software Foundation, either version 3 of the License, or (at your
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* option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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/**
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* @file i2c.h
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* @brief I2C driver header
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*/
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#ifndef __NFC_BUS_I2C_H__
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# define __NFC_BUS_I2C_H__
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# include <sys/time.h>
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# include <stdio.h>
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# include <string.h>
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# include <stdlib.h>
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# include <linux/i2c-dev.h>
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# include <nfc/nfc-types.h>
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// extern const struct i2c_driver linux_i2c_driver;
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typedef void *i2c_device;
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# define INVALID_I2C_BUS (void*)(~1)
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# define INVALID_I2C_ADDRESS (void*)(~2)
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i2c_device i2c_open(const char *pcI2C_busName, uint32_t devAddr);
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void i2c_close(const i2c_device id);
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int i2c_read(i2c_device id, uint8_t *pbtRx, const size_t szRx, void *abort_p, int timeout);
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int i2c_write(i2c_device id, const uint8_t *pbtTx, const size_t szTx, int timeout);
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char **i2c_list_ports(void);
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#endif // __NFC_BUS_I2C_H__
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