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README
MIT

OpenHarmony Mini System Projects(Hi3861)

项目简介

OpenHarmony是由开放原子开源基金会(OpenAtom Foundation)孵化及运营的开源项目,目标是面向全场景、全连接、全智能时代,基于开源的方式,搭建一个智能终端设备操作系统的框架和平台,促进万物互联产业的繁荣发展。

目前,OpenHarmony从系统复杂程度的维度(由简单到复杂)可以分成三类系统:轻量系统(Mini System)、小型系统(Small System)和标准系统(Standard System)。其中,轻量系统面向基于MCU类处理器(如Arm Cortex-M、RISC-V 32等)的设备,硬件资源极其有限,支持设备最小内存为128KB,提供多种轻量级的网络协议、轻量级的图形框架,以及丰富的IOT总线读写组件等。轻量系统可支撑的产品包括智能家居领域的连接类模组、传感器设备、穿戴类设备等。(本仓库不涉及小型系统和标准系统的相关内容,与其相关的资料请查阅OpenHarmony官网进行了解。)

OpenHarmony轻量系统已经适配到多款不同架构的芯片上,其中,海思Hi3861V100芯片平台结合OpenHarmony轻量系统的相关产品(包含开发板),是OpenHarmony社区中比较典型的实践例子,相关的学习资源和开发资料也非常丰富,非常适合新手入门学习和了解OpenHarmony系统的开发技术,例如润和软件基于Hi3861和OpenHarmony轻量系统推出的几个开源项目开源大师兄套件智能家居套件智能小车套件)。

基于海思Hi3861V100芯片平台的OpenHarmony轻量系统项目,支持Linux环境下和Windows环境下的开发(包括代码编辑和固件编译),但仅支持Windows环境下的固件烧录。本仓库代码以及文档,基于<物联网技术及应用>课程代码仓库,针对开源大师兄、智能家居、智能小车等项目做针对性地适配和说明,是在Windows环境下实现OpenHarmony轻量系统相关学习和开发的比较合适的环境。

搭建基础开发环境

1. 获取OpenHarmony基础代码

这是必需的OpenHarmony轻量系统的基础代码(基于OpenHarmony的v3.0.x-LTS分支代码),可以通过以下两种方法获取:

方法一:直接获取代码压缩包到本地解压

登录到Gitee的以下主页(即Hi3861BaseCode仓库):

https://gitee.com/liangkzgitee/Hi3861

在如下图的“克隆/下载”下拉菜单中选择“下载ZIP”,下载源代码压缩包“Hi3861-master.zip”到本地。

获取基础代码

将压缩包 “Hi3861-master.zip” 解压到Windows系统下某磁盘的根目录下,并将文件夹改名为”Hi3861“。

注意:因为windows自身的限制,文件路径不能超过260个字符,路径过长有可能会导致编译失败:会提示account_related_group_manager_mock.c: No such file or directory之类报错信息。所以建议将这份基础代码放在磁盘根目录下并将文件夹改名为较短的“Hi3861”即可。

方法二:通过Git工具获取代码到本地

注意:这种方法获取代码,需要先在Windows系统中安装git工具,并配置好码云开发者账号信息、设置码云SSH公钥,具体操作步骤请参考码云的帮助文档信息进行操作。

登录到Gitee的以下主页(即Hi3861BaseCode仓库):

https://gitee.com/liangkzgitee/Hi3861

在如下图的“克隆/下载”下拉菜单中选择“复制”,复制代码仓库的地址(https://gitee.com/liangkzgitee/Hi3861.git),然后:

  1. 在Windows中打开命令行工具,切换路径到某个磁盘根目录下(如 X:\>)。

    注意:请尽量在磁盘根目录下获取该基础代码,因为windows自身的限制,路径不能超过260个字符,路径过长有可能会导致编译失败:会提示account_related_group_manager_mock.c: No such file or directory之类报错信息,如果出现这个编译失败的提示信息,请减短基础代码存放的路径长度后再试。

  2. 在磁盘根目录下执行以下命令获取OpenHarmony基础代码:

    git clone https://gitee.com/liangkzgitee/Hi3861.git

下载代码后,可在当前磁盘下获得“Hi3861”目录,其中便是完整的基础代码。

2. 获取编译工具链

下载Hi3861V100编译工具链:

https://hispark.obs.cn-east-3.myhuaweicloud.com/DevTools_Hi3861V100_v1.0.zip

将该压缩包复制到上面一步下载的OpenHarmony基础代码的 “Hi3861\tools\” 目录下,直接解压出来,结果如下图所示:

安装编译工具链

解压完成后即可删除或移除“DevTools_Hi3861V100_v1.0.zip”压缩包,以节省磁盘存储空间。

3. 命令行下编译OpenHarmony基础代码生成固件

在“Hi3861\”目录下双击运行“Hi3861_BuildEntry.bat”脚本,首次运行该脚本时会先执行env_set.py脚本检查并自动安装必需的依赖工具,如pip、ohos-build、SCons等,自动安装完成后会进入如下的命令行提示符,此时可以输入“hb set” 命令:

hb set

在 “Input code path:” 处输入英文状态下的句点 “.”,接下来会默认选中 “wifiiot_hispark_pegasus”,此时敲入回车键即可

执行完“hb set”命令后,会在 src\目录下生成一个“ohos_config.json”文件,该文件记录了当前编译的“wifiiot_hispark_pegasus”项目的基本信息。

再在新出现的命令行提示符中输入 “hb build -f” 命令,即可开始全编译OpenHarmony系统固件。

hb build -f

如果编译中出现异常,则请根据提示排查异常后,再次执行“hb build -f”命令进行编译。

编译成功会提示:

[OHOS INFO] wifiiot_hispark_pegasus build success [OHOS INFO] cost time: 0:00:28

最终编译生成的可烧录固件就是:

Hi3861\src\out\hispark_pegasus\wifiiot_hispark_pegasus\Hi3861_wifiiot_app_allinone.bin

该固件可烧录到基于Hi3861V100芯片方案的OpenHarmony产品。

获取具体项目的源代码

注意:以下几步是获取具体项目的相关源代码。

大师兄项目可选的PZstudio代码

获取OpenHarmony基础代码之后,命令行切换路径到 Hi3861\src\applications\sample\OpenBrother\ 目录下,再执行如下命令获取pzstudio代码:

git clone https://gitee.com/Open-Brother/pzstudio.git

大师兄项目可选的工厂测试代码

获取OpenHarmony基础代码之后,命令行切换路径到 Hi3861\src\applications\sample\OpenBrother\ 目录下,再执行如下命令获取开源大师兄工厂测试代码:

git clone https://gitee.com/liangkzgitee/TestFwk.git

大师兄项目可选的PzCar项目代码

获取OpenHarmony基础代码之后,命令行切换路径到 Hi3861\src\applications\sample\OpenBrother\ 目录下,再执行如下命令获取开源大师兄PzCar项目代码:

git clone https://gitee.com/liangkzgitee/PzCar.git

智能家居项目的示例代码

智能家居套件的示例代码已经默认下载到 Hi3861\src\vendor\hihope\hispark_pegasus\demo 目录下,而以下路径下的示例程序,也可参考着使用:

Hi3861\src\vendor\bearpi\bearpi_hm_nano\demo

Hi3861\src\vendor\hisilicon\hispark_M1\demo

Hi3861\src\vendor\hisilicon\hispark_pegasus\demo\

Hi3861\src\vendor\hqyj\fs_hi3861\demo

在编译智能家居项目相关的示例程序时,只需要修改 Hi3861\src\applications\sample\WiFi_IOT\BUILD.gn文件,增加新的编译目标,指向具体的示例程序即可。

智能小车项目的控制代码

获取OpenHarmony基础代码之后,命令行切换路径到 Hi3861\src\applications\sample\SmartCar\ 目录下,再执行如下命令获取智能小车项目的控制代码:

git clone https://gitee.com/hihope_iot/hispark-pegasus-smart-car.git

修改编译脚本

在获取上述的必需代码和可选代码之后,用文本编辑器打开 Hi3861\src\applications\sample\BUILD.gn 文件,根据当前实际需要编译的项目来打开对应的编译目标,如下:

lite_component("app") {
#    "OpenBrother:app",  # 编译开源大师兄的固件,打开这个编译目标
#    "SmartCar:app",     # 编译智能小车套件固件,打开这个编译目标
#    "WiFi_IOT:app",     # 编译智能家居套件固件,打开这个编译目标
  ]
}

比如打开编译开源大师兄的固件的编译目标后,可以再进入 OpenBrother 子目录,打开其中的BUILD.gn文件,进一步打开要编译的目标,如下:

lite_component("app") {
  features = [       # 注意:下面两个编译目标同时打开会提示编译异常
#   "TestFwk:app",   # 编译开源大师兄的工厂测试固件,打开这个编译目标
    "pzstudio:app",  # 编译开源大师兄的出厂固件(带Python功能),打开这个编译目标
#   "PzCar:pzcar_demo",  # 编译开源大师兄的PzCar项目固件,打开这个编译目标
  ]
}

如果当前编译的是智能家居或者智能小车的固件,则可以分别进入WiFi_IOT子目录或SmartCar子目录去编辑对应的BUILD.gn文件,实现对更细粒度的编译目标的开关。

修改功能模块的开关

基于海思Hi3861V100芯片平台的OpenHarmony轻量系统项目,会根据实际项目的需要打开或者关闭系统提供的一些功能模块,比如I2C功能、SPI功能、UART功能等,这时候需要根据实际需要来修改如下文件:

Hi3861\src\device\hisilicon\hispark_pegasus\sdk_liteos\build\config\usr_config.mk

注意:同路径下的sdk.mk文件的配置,也可以根据实际需要来修改配置,但无特别需要一般不改。

对usr_config.mk文件经常用到功能模块的修改如下:

#
# BSP Settings
#
CONFIG_I2C_SUPPORT=y
# CONFIG_I2S_SUPPORT is not set
CONFIG_SPI_SUPPORT=y
# CONFIG_DMA_SUPPORT is not set
# CONFIG_SDIO_SUPPORT is not set
# CONFIG_SPI_DMA_SUPPORT is not set
# CONFIG_UART_DMA_SUPPORT is not set
CONFIG_PWM_SUPPORT=y
# CONFIG_PWM_HOLD_AFTER_REBOOT is not set
CONFIG_AT_SUPPORT=y
CONFIG_FILE_SYSTEM_SUPPORT=y
CONFIG_UART0_SUPPORT=y
CONFIG_UART1_SUPPORT=y
CONFIG_UART2_SUPPORT=y
# end of BSP Settings

如果未打开对应模块的支持开关,编译时可能会报一些接口未定义的异常。

编译具体项目的固件

在前面提到的 Hi3861\src\applications\sample\BUILD.gn 编译脚本中,如果三个项目都注释掉的话,默认编译OpenHarmony轻量系统的基础代码;如果打开任意项目,则在编译基础代码的基础上,再增加编译对应项目的目标。

不管是否编译具体项目,它们的编译步骤、生成的可烧录固件的路径和名字,都是一样的。

编译烧录固件,支持命令行编译固件和IDE中的一建编译。

方法一:命令行编译烧录固件

完成上面的工具链配置和代码获取后,即可开始直接在命令行下编译烧录固件。

请参考 “搭建基础开发环境”小节中的 “命令行下编译OpenHarmony基础代码生成固件” 的说明进行操作和编译即可。

方法二:IDE一键编译烧录固件

OpenHarmony提供了一个IDE(DevEco Studio)可以方便开发者阅读和编辑代码、编译和烧录固件。请参考以下步骤在IDE中导入工程后进行编译固件和烧录固件等操作。

  1. 下载并安装Windows版本的HUAWEI DevEco Device Tool(devicetool-windows-tool-3.1.0.500.zip):https://device.harmonyos.com/cn/develop/ide#download

  2. 导入SDK: 打开已安装DevEco Decive Tool插件的VSCode, 在DevEco Device Tool主页点击"导入工程", 弹窗中选择SDK代码目录(X:\Hi3861), 点击“导入”.

    IDE导入工程 IDE导入工程代码
  3. 后续弹窗"SOC"选择"HI3861", 开发板选择"hi3861", 点击"导入".

    IDE导入工程SOC
  4. 配置编译工具链路径: 点击左侧的“工程配置”, 在右侧窗口找到“compiler_bin_path”, 选择到之前下载的开发工具路径, 选择env_set.py文件所在的目录层级.

    配置编译工具链路径2
  5. 编译: 点击左侧“Build”或“Rebuild”,开始一建编译系统固件.

    编译成功
  6. 烧录: 硬件连接电脑, 如电脑未安装CH340G驱动, 先安装 Hi3861\tools\usb_serial_driver 路径下的CH341SER.EXE串口驱动. 然后点击左侧“工程配置”, 找到“upload_port”选项, 选择开发板对应的烧录串口进行烧录.

    选择串口
  7. 点击左侧的“Uploade”按键,然后根据终端的提示按一下开发板的复位键, 现在, 你的第一个OpenHarmony程序已经在你的开发板上运行起来了. :thumbsup:

具体的IDE使用详情,请参考本文档同目录下的 “README_hdu_origin.md” 文档的 “Windows IDE环境搭建”部分的说明进行操作即可。

开源大师兄项目

开源大师兄项目提供了图形化的PZstudio开发工具。

PZstudio工具的下载、安装和使用

PZstudio下载链接 http://www.polygonzone.com/PZStudioInstaller.zip

PZstudio包含了大师兄开发板的API文档、例程、图形化编程、脚本下载、固件烧写功能。

下载并安装PZstudio后,上述所有功能都可在PZstudio界面中使用。

PZstudio或HiBurn烧录固件

用PZstudio烧录开源大师兄固件,可以在PZstudio界面的“文件”中选择“烧写固件”,在弹出的对话框中选中连接到大师兄开发板上的COM口,开发板选择“大师兄板”,选择“自定义固件”,固件选择上面编译出来的固件:

src\out\hispark_pegasus\wifiiot_hispark_pegasus\Hi3861_wifiiot_app_allinone.bin

然后点击“写入”,根据提示复位大师兄开发板即可烧写固件。

烧录固件

如果想要烧写回出厂固件,则请选择“专有固件”,选择默认的固件进行烧写即可。

在PZStudio的安装路径下的 ...\PZStudio\firmware\dsx\ 目录下,有出厂固件以及HiBurn.exe烧录工具,也可以使用这个HiBurn.exe工具来烧录大师兄开发板的固件,请按该目录下的Readme.docx文档进行操作和烧录即可。

智能家居项目

智能家居项目提供了大量的示例程序,方便开发者入门学习和验证OpenHarmony的技术架构以及设备开发相关技术。

智能小车项目

智能小车项目与智能家居项目类似,增加了一些新的传感器和外围设备的驱动开发和控制能力。

(1) The directories below are licensed under Apache License, Version 2.0. ./src/applications/sample/wifi-iot ./src/base/iot_hardware/peripheral/interfaces/kits ./src/base/global/i18n_standard ./src/base/global/i18n_lite ./src/base/global/resmgr_lite ./src/base/hiviewdfx/blackbox ./src/base/hiviewdfx/faultloggerd ./src/base/hiviewdfx/hiappevent ./src/base/hiviewdfx/hicollie ./src/base/hiviewdfx/hidumper_lite ./src/base/hiviewdfx/hievent_lite ./src/base/hiviewdfx/hilog ./src/base/hiviewdfx/hilog/adapter ./src/base/hiviewdfx/hilog_lite ./src/base/hiviewdfx/hisysevent ./src/base/hiviewdfx/hitrace ./src/base/hiviewdfx/hiview ./src/base/hiviewdfx/hiview/adapter ./src/base/hiviewdfx/hiview_lite ./src/base/iot_hardware/peripheral ./src/base/powermgr/battery_lite ./src/base/powermgr/powermgr_lite ./src/base/security/appverify ./src/base/security/deviceauth ./src/base/security/huks ./src/base/security/permission ./src/base/security/dataclassification ./src/base/sensors/miscdevice_lite ./src/base/sensors/sensor_lite ./src/base/startup/appspawn_lite ./src/base/startup/bootstrap_lite ./src/base/startup/init_lite ./src/base/startup/syspara_lite ./src/base/startup/appspawn_standard ./src/base/update/ota_lite ./src/build ./src/build/lite ./src/domains/iot/link ./src/foundation/appexecfwk/appexecfwk_lite ./src/foundation/appexecfwk/appexecfwk_lite/frameworks/bundle_lite ./src/foundation/appexecfwk/appexecfwk_lite/interfaces/innerkits/bundlemgr_lite ./src/foundation/appexecfwk/appexecfwk_lite/interfaces/kits/bundle_lite ./src/foundation/appexecfwk/appexecfwk_lite/services/bundlemgr_lite ./src/foundation/appexecfwk/appexecfwk_lite/utils/bundle_lite ./src/foundation/distributeddatamgr/appdatamgr ./src/foundation/communication/softbus_lite ./src/foundation/communication/wifi ./src/foundation/communication/wifi_aware ./src/foundation/communication/wifi_lite ./src/foundation/distributedschedule/samgr_lite ./src/prebuilts/lite/sysroot ./src/productdefine/common ./src/utils/native/lite ./src/device/hisilicon/hispark_pegasus/sdk_liteos ./src/device/hisilicon/hispark_pegasus/hi3861_adapter ./src/test/xts/tools ./src/test/xts/tools/lite ./src/test/xdevice (2) The directories below are licensed under GNU General Public License, version 2. ./src/third_party/mbedtls (3) The directories below are licensed under End User License Agreement. ./src/device/hisilicon/hispark_pegasus/sdk_liteos/build/libs ./src/device/hisilicon/hispark_pegasus/sdk_liteos/build/basebin (4) The directories below are licensed under MIT License ./src/third_party/cJSON ./src/third_party/ssd1306 (a) Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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It is safest to attach them to the start of each source file to most effectively convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. <one line to give the program's name and a brief idea of what it does.> Copyright (C) <year> <name of author> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program 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 program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA Also add information on how to contact you by electronic and paper mail. If the program is interactive, make it output a short notice like this when it starts in an interactive mode: Gnomovision version 69, Copyright (C) year name of author Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate parts of the General Public License. Of course, the commands you use may be called something other than `show w' and `show c'; they could even be mouse-clicks or menu items--whatever suits your program. You should also get your employer (if you work as a programmer) or your school, if any, to sign a "copyright disclaimer" for the program, if necessary. Here is a sample; alter the names: Yoyodyne, Inc., hereby disclaims all copyright interest in the program `Gnomovision' (which makes passes at compilers) written by James Hacker. <signature of Ty Coon>, 1 April 1989 Ty Coon, President of Vice This General Public License does not permit incorporating your program into proprietary programs. If your program is a subroutine library, you may consider it more useful to permit linking proprietary applications with the library. If this is what you want to do, use the GNU Library General Public License instead of this License. (c) End User License Agreement THIS END USER LICENSE AGREEMENT (“AGREEMENT”) IS A LEGAL AGREEMENT BETWEEN YOU (EITHER A SINGLE INDIVIDUAL, OR SINGLE LEGAL ENTITY) AND HISILICON (SHANGHAI) TECHNOLOGIES CO., LTD. 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YOU agree to comply fully with all laws and regulations of the United States and other countries ("Export Laws") to assure that the SOFTWARE, is not (1) exported, directly or indirectly, in violation of Export Laws, either to any countries that are subject to U.S.A. export restrictions or to any end user who has been prohibited from participating in the U.S.A. export transactions by any federal agency of the U.S.A. government; or (2) intended to be used for any purpose prohibited by Export Laws, including, without limitation, nuclear, chemical, or biological weapons proliferation. This Agreement shall be governed by and construed in accordance with the laws of People’s Republic of China, without reference to the principles of conflicts of laws. Any dispute arising out of or relating to this Agreement shall be submitted to Shenzhen Longgang District People’s court and the parties waive all objections to that jurisdiction and venue. 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Hi3861BaseCode是基于Hi3861V100和OpenHarmony的基础代码仓库,适用于开源大师兄、智能家居、智能小车等项目的系统固件的开发,本仓库源自<物联网技术及应用>课程代码仓库:https://gitee.com/HiSpark/hi3861_hdu_iot_application。 展开 收起
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