如何进行OpenNI-Linux-Arm64-2.3.0.66安装与调试，很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。
最近在研究某摄像头，通过USB插入到Arm64的板子上进行安装调试，这里尝试着把过程记录下来。
从官网上下载相应系统和版本的SDK，我这里是Linux-ARM64版本的，下载的是 OpenNI-Linux-Arm64-2.3.0.66 。或者wget链接地址
计算
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proxychains4 wget https://abzg-oss.oss-cn-shenzhen.aliyuncs.com/files/OpenNI-Linux-Arm64-2.3.0.66.zip
[proxychains] config file found: /etc/proxychains.conf
[proxychains] preloading /usr/local/lib/libproxychains4.so
[proxychains] DLL init: proxychains-ng 4.14
--2021-02-08 20:57:26-- https://abzg-oss.oss-cn-shenzhen.aliyuncs.com/files/OpenNI-Linux-Arm64-2.3.0.66.zip
正在解析主机 abzg-oss.oss-cn-shenzhen.aliyuncs.com (abzg-oss.oss-cn-shenzhen.aliyuncs.com)... 224.0.0.1
正在连接 abzg-oss.oss-cn-shenzhen.aliyuncs.com (abzg-oss.oss-cn-shenzhen.aliyuncs.com)|224.0.0.1|:443... [proxychains]
Strict chain ... 172.18.6.135:8001 ... abzg-oss.oss-cn-shenzhen.aliyuncs.com:443 ... OK
已连接。
已发出 HTTP 请求，正在等待回应... 200 OK
长度： 3758034 (3.6M) [application/zip]
正在保存至: “OpenNI-Linux-Arm64-2.3.0.66.zip”
OpenNI-Linux-Arm64-2.3.0.66.zip 100%
[===================================>] 3.58M 7.57MB/s in 0.5s
2021-02-08 20:57:27 (7.57 MB/s) - 已保存 “OpenNI-Linux-Arm64-2.3.0.66.zip” [3758034/3758034])解压，目录结构如下
-rw-rw-r-- 1 work work 9753 Sep 29 16:54 CHANGES.txt
-rw-rw-r-- 1 work work 11358 Sep 29 16:54 LICENSE
-rw-rw-r-- 1 work work 31653 Sep 29 16:54 NOTICE
-rw-rw-r-- 1 work work 5615 Sep 29 16:54 README
drwxrwxr-x 3 work work 4096 Jan 12 15:52 Redist
-rw-rw-r-- 1 work work 1863 Sep 29 16:54 ReleaseNotes.txt
drwxrwxr-x 12 work work 4096 Jan 12 15:52 Samples
drwxrwxr-x 3 work work 4096 Jan 12 15:52 Tools
drwxrwxr-x 8 work work 4096 Jan 12 15:52 include
-rw-rw-r-- 1 work work 2138 Mar 10 2020 install.sh
-rw-rw-r-- 1 work work 1221 Sep 29 16:54 orbbec-usb.rules阅读README文件，其中
0 OpenNI-Linux-Arm64-2.3.0.66 > cat README
OpenNI
------
Website: http://structure.io/openni
Building Prerequisites
======================
...
Linux
-----
- GCC 4.x
From: http://gcc.gnu.org/releases.html
Or via apt:
sudo apt-get install g++
- Python 2.6+/3.x
From: http://www.python.org/download/
Or via apt:
sudo apt-get install python
- LibUSB 1.0.x
From: http://sourceforge.net/projects/libusb/files/libusb-1.0/
Or via apt:
sudo apt-get install libusb-1.0-0-dev
- LibUDEV
sudo apt-get install libudev-dev
- JDK 6.0
From: http://www.oracle.com/technetwork/java/javase/downloads/jdk-6u32-downloads-1594644.html
Or via apt:
sudo apt-get install openjdk-6-jdk
- FreeGLUT3
From: http://freeglut.sourceforge.net/index.php#download
Or via apt:
sudo apt-get install freeglut3-dev
- Doxygen
From: http://www.stack.nl/~dimitri/doxygen/download.html#latestsrc
Or via apt:
sudo apt-get install doxygen
- GraphViz
From: http://www.graphviz.org/Download_linux_ubuntu.php
Or via apt:
sudo apt-get install graphviz
...
Building
========
Building on Windows:
Open the solution OpenNI.sln
Building on Linux / OS X:
Run:
$ make
Cross-Compiling for ARM on Linux:
The following environment variables should be defined:
- ARM_CXX=<path to cross-compilation g++>
- ARM_STAGING=<path to cross-compilation staging dir>
Then, run:
$ PLATFORM=Arm make
Building for Android:
- Create a workspace in eclipse
- Import all projects under root directory
Creating OpenNI2 Package
========================
- Go into the directory 'Packaging'
- Run ReleaseVersion.py [x86|x64|Arm|Android]
- Installer will be placed in the 'Final' directory
Building in an armhf qemu-enabled docker container
==================================================
- Note: we're building from the osrf fork which has a couple of minor tweaks compared to the orbbec upstream repo (https://github.com/orbbec/OpenNI2/compare/orbbec-dev...osrf:orbbec-dev?expand=1):
- don't force soft-float in third-party software (because we're building with hard-float)
- disable documentation generation (because we don't need it, and also because doxygen seems to just hang in this environment).
- Check out the code (because git doesn't work inside qemu):
$ git clone https://github.com/osrf/OpenNI2
$ cd OpenNI2
$ git checkout orbbec-dev
$ cd ..
- Start docker, mounting in the git repo:
$ docker run -ti -v `pwd`/OpenNI2:/tmp/OpenNI2 osrf/ubuntu_armhf:trusty bash
- Now inside docker, install prereqs (we're removing udev because it somehow conflicts with libudev-dev; we're leaving out doxygen and graphviz because we're not going to build docs):
# apt-get update
# apt-get remove -y --force-yes udev
# apt-get install -y build-essential python libusb-1.0-0-dev libudev-dev openjdk-6-jdk freeglut3-dev
- Still inside docker, build the release package (note that, instead of running `ReleaseVersion.py` inside `Packaging`, you could just run `make HAS_JAVA=1 release` at the top level):
# cd /tmp/OpenNI2/Packaging
# ./ReleaseVersion.py Arm
- If all goes well, there will be a file in the docker container called something like `/tmp/OpenNI2/Packaging/Final/OpenNI-Linux-Arm-2.3.tar.bz2`. It's also in the corresponding place in the host filesystem, so it will survive exiting the container. That file contains the compiled libraries (importantly, `OpenNI-Linux-Arm-2.3/Redist/libOpenNI2.so`).这里指明了一些软件运行所需的依赖和安装方法，这里就不再赘述。后续的 building 等不是必须的操作。
在解压后的目录中，执行 install.sh 文件
sudo sh install.sh
该脚本一共做了两件事，为摄像头设备增加UDEV规则，把开发环境写到 OpenNIDevEnvironment文件中。
cat OpenNIDevEnvironment
export OPENNI2_INCLUDE=/home/work/abc/OpenNI-Linux-Arm64-2.3.0.65/Include
export OPENNI2_REDIST=/home/work/abc/OpenNI-Linux-Arm64-2.3.0.65/Redist注意第一个环境变量的Include，实际的目录名称为 include，记得改过来（要么把目录名称改成大写，要么把环境变量改成小写，我这里是选择改环境变量。）
然后再进行加载使其生效。
source OpenNIDevEnvironment检查一下
env | grep OPENNI2_INCLUDE
OPENNI2_INCLUDE=/home/work/abc/OpenNI-Linux-Arm64-2.3.0.66/include在Samples目录下，我们可以看到很多样例
drwxrwxr-x 3 work work 4096 Jan 20 22:10 Bin
drwxrwxr-x 2 work work 4096 Jan 20 22:10 ClosestPointViewer
drwxrwxr-x 2 work work 4096 Jan 20 22:10 EventBasedRead
drwxrwxr-x 2 work work 4096 Jan 20 22:10 MWClosestPoint
drwxrwxr-x 2 work work 4096 Jan 20 22:10 MWClosestPointApp
drwxrwxr-x 2 work work 4096 Jan 20 22:10 MultiDepthViewer
drwxrwxr-x 3 work work 4096 Feb 8 17:28 MultipleStreamRead
drwxrwxr-x 3 work work 4096 Jan 21 20:06 SimpleRead
drwxrwxr-x 3 work work 4096 Jan 27 10:59 SimpleViewer
drwxrwxr-x 3 work work 4096 Jan 20 22:10 SimpleViewer.java我们就以SimpleRead为例，来测试一下。进入目录，结构如下：
总用量 52
drwxrwxr-x 2 work work 4096 Jan 12 15:52 .
drwxrwxr-x 12 work work 4096 Jan 12 15:52 ..
-rw-rw-r-- 1 work work 5080 Mar 10 2020 CommonCppMakefile
-rw-rw-r-- 1 work work 1710 Mar 10 2020 CommonDefs.mak
-rw-rw-r-- 1 work work 538 Mar 10 2020 CommonTargets.mak
-rw-rw-r-- 1 work work 631 Mar 10 2020 Makefile
-rw-rw-r-- 1 work work 3535 Mar 10 2020 OniSampleUtilities.h
-rw-rw-r-- 1 work work 493 Mar 10 2020 Platform.Arm
-rw-rw-r-- 1 work work 521 Mar 10 2020 Platform.Arm64
-rw-rw-r-- 1 work work 150 Mar 10 2020 Platform.x64
-rw-rw-r-- 1 work work 531 Mar 10 2020 Platform.x86
-rw-rw-r-- 1 work work 3500 Mar 10 2020 main.cppinclude CommonDefs.mak
BIN_DIR = Bin
INC_DIRS = \
../../Include \
../Common
SRC_FILES = *.cpp
USED_LIBS += OpenNI2
EXE_NAME = SimpleRead
CFLAGS += -Wall
ifndef OPENNI2_INCLUDE
$(error OPENNI2_INCLUDE is not defined. Please define it or 'source' the OpenNIDevEnvironment file from the installation)
else ifndef OPENNI2_REDIST
$(error OPENNI2_REDIST is not defined. Please define it or 'source' the OpenNIDevEnvironment file from the installation)
endif
INC_DIRS += $(OPENNI2_INCLUDE)
include CommonCppMakefile
.PHONY: copy-redist
copy-redist:
cp -R $(OPENNI2_REDIST)/* $(OUT_DIR)
$(OUTPUT_FILE): copy-redist把 INC_DIRS 中的 ../../Include \ 改成实际的 ../../include \，而 ../Common 目录其实并不存在，也可以注释掉。
main.cpp 文件
/*****************************************************************************
* *
* OpenNI 2.x Alpha *
* Copyright (C) 2012 PrimeSense Ltd. *
* *
* This file is part of OpenNI. *
* *
* Licensed under the Apache License, Version 2.0 (the "License"); *
* you may not use this file except in compliance with the License. *
* You may obtain a copy of the License at *
* *
* http://www.apache.org/licenses/LICENSE-2.0 *
* *
* Unless required by applicable law or agreed to in writing, software *
* distributed under the License is distributed on an "AS IS" BASIS, *
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. *
* See the License for the specific language governing permissions and *
* limitations under the License. *
* *
*****************************************************************************/
#include <stdio.h>
#include <OpenNI.h>
#include "OniSampleUtilities.h"
#define SAMPLE_READ_WAIT_TIMEOUT 2000 //2000ms
using namespace openni;
int main(int argc, char* argv[])
{
Status rc = OpenNI::initialize();
if (rc != STATUS_OK)
{
printf("Initialize failed\n%s\n", OpenNI::getExtendedError());
return 1;
}
Device device;
if (argc < 2)
rc = device.open(ANY_DEVICE);
else
rc = device.open(argv[1]);
if (rc != STATUS_OK)
{
printf("Couldn't open device\n%s\n", OpenNI::getExtendedError());
return 2;
}
VideoStream depth;
if (device.getSensorInfo(SENSOR_DEPTH) != NULL)
{
rc = depth.create(device, SENSOR_DEPTH);
if (rc != STATUS_OK)
{
printf("Couldn't create depth stream\n%s\n", OpenNI::getExtendedError());
return 3;
}
}
rc = depth.start();
if (rc != STATUS_OK)
{
printf("Couldn't start the depth stream\n%s\n", OpenNI::getExtendedError());
return 4;
}
VideoFrameRef frame;
while (!wasKeyboardHit())
{
int changedStreamDummy;
VideoStream* pStream = &depth;
rc = OpenNI::waitForAnyStream(&pStream, 1, &changedStreamDummy, SAMPLE_READ_WAIT_TIMEOUT);
if (rc != STATUS_OK)
{
printf("Wait failed! (timeout is %d ms)\n%s\n", SAMPLE_READ_WAIT_TIMEOUT, OpenNI::getExtendedError());
continue;
}
rc = depth.readFrame(&frame);
if (rc != STATUS_OK)
{
printf("Read failed!\n%s\n", OpenNI::getExtendedError());
continue;
}
if (frame.getVideoMode().getPixelFormat() != PIXEL_FORMAT_DEPTH_1_MM && frame.getVideoMode().getPixelFormat() != PIXEL_FORMAT_DEPTH_100_UM)
{
printf("Unexpected frame format\n");
continue;
}
DepthPixel* pDepth = (DepthPixel*)frame.getData();
int middleIndex = (frame.getHeight()+1)*frame.getWidth()/2;
printf("[%08llu] %8d\n", (long long)frame.getTimestamp(), pDepth[middleIndex]);
}
depth.stop();
depth.destroy();
device.close();
OpenNI::shutdown();
return 0;
}其实是将镜头中心的点所获取到的深度信息不断地进行输出。
make输出
mkdir -p Bin/Intermediate/Arm64-Release/SimpleRead
g++ -MD -MP -MT "./Bin/Intermediate/Arm64-Release/SimpleRead/main.d Bin/Intermediate/Arm64-Release/SimpleRead/main.o" -c -march=armv8-a -O3 -fno-tree-pre -fno-strict-aliasing -ftree-vectorize -ffast-math -funsafe-math-optimizations -flax-vector-conversions -Wall -O2 -DNDEBUG -I../../include -I/home/work/abc/OpenNI-Linux-Arm64-2.3.0.66/include -DXN_NEON -fPIC -fvisibility=hidden -Werror -o Bin/Intermediate/Arm64-Release/SimpleRead/main.o main.cpp
mkdir -p Bin/Arm64-Release
cp -R /home/work/abc/OpenNI-Linux-Arm64-2.3.0.66/Redist/* Bin/Arm64-Release
g++ -o Bin/Arm64-Release/SimpleRead ./Bin/Intermediate/Arm64-Release/SimpleRead/main.o -LBin/Arm64-Release -lOpenNI2 -Wl,-rpath ./会发现目录下多了一个 Bin 目录
├── Bin
│ ├── Arm64-Release
│ │ ├── OpenNI.ini
│ │ ├── OpenNI2
│ │ ├── SimpleRead
│ │ ├── libDepthUtils.a
│ │ ├── libOpenNI2.so
│ │ └── libSonixCamera.a
│ └── Intermediate
│ └── Arm64-Release
├── CommonCppMakefile
├── CommonDefs.mak
├── CommonTargets.mak
├── Makefile
├── OniSampleUtilities.h
├── Platform.Arm
├── Platform.Arm64
├── Platform.x64
├── Platform.x86
└── main.cpp0 SimpleRead > ./Bin/Arm64-Release/SimpleRead
Warning: USB events thread - failed to set priority. This might cause loss of data...
[00000000] 3501
[00033688] 3501
[00067376] 3537
[00101065] 3501
[00303195] 3501
[00336884] 3537
[00370572] 3501
[00404261] 3501
.
.
.可以看到，这里就输出了深度信息。
至此，我们就把OpenNI在Linux/Ubuntu16.04-Arm64上安装成功了。
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原文链接：https://my.oschina.net/u/3412738/blog/4951166
