/usr/include/aroarfw/caps.h is in aroarfw-dev 0.1~beta5-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/*
* Copyright (C) Philipp 'ph3-der-loewe' Schafft - 2012-2013
*
* This file is part of aroarfw, a RoarAudio framework for
* embedded systems (µControlers).
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 3
* or (at your option) any later version as published by
* the Free Software Foundation.
*
* aroarfw is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*/
#ifndef _AROARFW_CAPS_H_
#define _AROARFW_CAPS_H_
#include <stdint.h>
#include <aroarfw/vendor.h>
#include <aroarfw/types.h>
typedef union {
//! 32 bit unsigned int representation in network byte order
uint32_t u32;
//! Structure of standard ID splitted in parts
struct {
//! Standard Vendor
uint8_t vendor;
//! Upper 8 bits of standard number
uint8_t standardmsb;
//! Lower 8 bit of standard number
uint8_t standardlsb;
//! Standard version
uint8_t version;
} __RPACKED__ subm;
//! Standard ID as 4 byte array
uint8_t u8array[4];
} rstandard_t;
/** \brief Macro to initialize a constant array of standard IDs
\param _vendor The Vendor ID (of type rstdvendor_t).
\param _standard The standard number (in native byte order uint16_t)
\param _version The standard version (as uint8_t)
\return The Standard ID suitable for array initialization
*/
#define RSTANDARD_INIT(_vendor,_standard,_version) {.subm = { \
.vendor = (uint8_t)(rstdvendor_t)(_vendor), \
.standardmsb = (uint8_t)(uint16_t)(((_standard) & (uint16_t)0xFF00) >> (uint16_t)8), \
.standardlsb = (uint8_t)(uint16_t)(((_standard) & (uint16_t)0x00FF)), \
.version = (uint8_t)(_version) \
} \
}
/** \brief Macro to access the Vendor ID from a standard ID
\param x The Standard ID
\return The Vendor ID
*/
#define rstandard_getvendor(x) (((rstandard_t)(x)).subm.vendor)
/** \brief Macro to access the standard version from a standard ID
\param x The sStandard ID
\return The standard version
*/
#define rstandard_getversion(x) (((rstandard_t)(x)).subm.version)
/** \brief Macro to access the standard number from a standard ID in host native format
\param x The Standard ID
\return The standard number
*/
#define rstandard_getstandard(x) (((uint16_t)(((rstandard_t)(x)).subm.standardmsb) << (uint16_t)8) | \
((uint16_t)(((rstandard_t)(x)).subm.standardlsb)))
/** \brief Macro to convert a standard ID into a host native 32 bit unsigned integer
\param x The Standard ID
\return The Standard ID in native format
*/
#define rstandard_getu32hbo(x) RBO_NB2H32(&(x))
#endif
//ll
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