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usb: Skeleton platform code for FTDI FT4222 USB to i2c bridge

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Signed-off-by: Henry Bruce <henry.bruce@intel.com>
Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
This commit is contained in:
Henry Bruce
2015-05-27 15:36:46 -07:00
committed by Brendan Le Foll
parent 22a930e39e
commit 8f48df0533
15 changed files with 710 additions and 54 deletions
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51
include/mraa_func.h Normal file
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/*
* Author: Henry Bruce <henry.bruce@intel.com>
* Copyright (c) 2015 Intel Corporation.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#pragma once
#include "common.h"
#include "mraa.h"
#include "types.h"
typedef struct {
mraa_i2c_context (*i2c_init_raw) (unsigned int bus);
mraa_result_t (*i2c_frequency) (mraa_i2c_context dev, mraa_i2c_mode_t mode);
mraa_result_t (*i2c_address) (mraa_i2c_context dev, uint8_t addr);
int (*i2c_read) (mraa_i2c_context dev, uint8_t* data, int length);
uint8_t (*i2c_read_byte) (mraa_i2c_context dev);
uint8_t (*i2c_read_byte_data) (mraa_i2c_context dev, const uint8_t command);
uint16_t (*i2c_read_word_data) (mraa_i2c_context dev, const uint8_t command);
int (*i2c_read_bytes_data) (mraa_i2c_context dev, uint8_t command, uint8_t* data, int length);
mraa_result_t (*i2c_write) (mraa_i2c_context dev, const uint8_t* data, int length);
mraa_result_t (*i2c_write_byte) (mraa_i2c_context dev, const uint8_t data);
mraa_result_t (*i2c_write_byte_data) (mraa_i2c_context dev, const uint8_t data, const uint8_t command);
mraa_result_t (*i2c_write_word_data) (mraa_i2c_context dev, const uint16_t data, const uint8_t command);
mraa_result_t (*i2c_stop) (mraa_i2c_context dev);
} mraa_i2c_func_t;
typedef struct {
mraa_i2c_func_t* i2c;
} mraa_func_t;