manifest.c
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/****************************************************************************
*
* Copyright (c) 2018 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file manifest.c
*
* This module supplies the interface to the manifest of hardware that is
* optional and dependent on the HW REV and HW VER IDs
*
* The manifest allows the system to know whether a hardware option
* say for example the PX4IO is an no-pop option vs it is broken.
*
*/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <board_config.h>
#include <stdbool.h>
#include "systemlib/px4_macros.h"
/****************************************************************************
* Pre-Processor Definitions
****************************************************************************/
typedef struct {
uint32_t hw_ver_rev; /* the version and revision */
const px4_hw_mft_item_t *mft; /* The first entry */
uint32_t entries; /* the lenght of the list */
} px4_hw_mft_list_entry_t;
typedef px4_hw_mft_list_entry_t *px4_hw_mft_list_entry;
#define px4_hw_mft_list_uninitialized (px4_hw_mft_list_entry) -1
static const px4_hw_mft_item_t device_unsupported = {0, 0, 0};
// List of components on a specific board configuration
// The index of those components is given by the enum (px4_hw_mft_item_id_t)
// declared in board_common.h
static const px4_hw_mft_item_t hw_mft_list_durandal[] = {
{
.present = 1,
.mandatory = 1,
.connection = px4_hw_con_onboard,
},
};
static px4_hw_mft_list_entry_t mft_lists[] = {
{0x0000, hw_mft_list_durandal, arraySize(hw_mft_list_durandal)},
};
/************************************************************************************
* Name: board_query_manifest
*
* Description:
* Optional returns manifest item.
*
* Input Parameters:
* manifest_id - the ID for the manifest item to retrieve
*
* Returned Value:
* 0 - item is not in manifest => assume legacy operations
* pointer to a manifest item
*
************************************************************************************/
__EXPORT px4_hw_mft_item board_query_manifest(px4_hw_mft_item_id_t id)
{
static px4_hw_mft_list_entry boards_manifest = px4_hw_mft_list_uninitialized;
if (boards_manifest == px4_hw_mft_list_uninitialized) {
uint32_t ver_rev = board_get_hw_version() << 8;
ver_rev |= board_get_hw_revision();
for (unsigned i = 0; i < arraySize(mft_lists); i++) {
if (mft_lists[i].hw_ver_rev == ver_rev) {
boards_manifest = &mft_lists[i];
break;
}
}
if (boards_manifest == px4_hw_mft_list_uninitialized) {
syslog(LOG_ERR, "[boot] Board %4x is not supported!\n", ver_rev);
}
}
px4_hw_mft_item rv = &device_unsupported;
if (boards_manifest != px4_hw_mft_list_uninitialized &&
id < boards_manifest->entries) {
rv = &boards_manifest->mft[id];
}
return rv;
}