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K1 OH5.0 系统定制说明

修订记录

修订版本修订日期修订说明
0012025-01-13初始版本
0022025-04-18添加“camera通路定制”章节

1. UI 定制

Boot logo 可放置在 2 个位置:

  • 所有方案共用的 boot logo 放置在 device/soc/spacemit/k1/kernel/boot/bootfs,如下,同一个图案的 boot logo 有 4 张图,分 4 个方向,每个方案根据需要选择不同方向的 logo,一般情况下,都是选用 0° 的 logo 图片。
|-- boot_logo_spacemit_0.bmp
|-- boot_logo_spacemit_180.bmp
|-- boot_logo_spacemit_270.bmp
`-- boot_logo_spacemit_90.bmp
  • 特定方案定制的 boot logo 放置在 device/board/spacemit/xxx/kernel/boot/bootfs,如下:
|-- boot_logo_ry_270.bmp

bootlogo 对于图像的要求为 32bit 的 bmp 图像,放置新的 boot logo 在上述目录,再修改 device/board/spacemit/musepaper/kernelbuild_kernel.sh 文件,拷贝 boot logo 到打包路径即可。

cp ${OHOS_SOURCE_ROOT}/device/soc/${DEVICE_BOARD}/k1/kernel/boot/bootfs/boot_logo_spacemit_0.bmp ${OHOS_IMAGES_DIR}/bootfs/bianbu.bmp

Kernel logo 是在 boot logo 之后和开机动画之间展示的 logo,目的是避免 boot logo 和开机动画之间黑屏太久,一般 kernel logo 的图案和 boot logo 保持一致。

kernel_logo 放置在 device/board/spacemit/common/kernel_logo,如下:

|-- kernel_logo_ry_270.ppm
|-- kernel_logo_spacemit_0.ppm
|-- kernel_logo_spacemit_180.ppm
|-- kernel_logo_spacemit_270.ppm
`-- kernel_logo_spacemit_90.ppm

Kernel logo 为 ppm 格式,添加新的 kernel logo 后,再修改 device/board/spacemit/xxx/kernelbuild_kernel.sh 文件,拷贝 kernel logo 到内核的编译路径即可。

cp -rf ${OHOS_SOURCE_ROOT}/device/board/${DEVICE_BOARD}/common/kernel_logo/kernel_logo_spacemit_0.ppm ${KERNEL_BUILD_ROOT}/drivers/video/logo/logo_linux_clut224.ppm

1.2.1. bmp 转 ppm

  • 安装转换工具
sudo apt-get install netpbm
  • 执行脚本,会在当前目录生成 xxx.ppm
./bmp2ppm.sh xxx.bmp

脚本内容如下:

 #!/bin/bash
if [ " $1" == " " ];
then
echo "usage:$0 bmp_file"
exit 0
fi

if [ -f "$1" ]
then
echo $1
else
echo "no find file [$1]"
exit 0
fi

name=${1%%.*}
bmptopnm $1 > $name.pnm
pnmquant 224 $name.pnm > $name.clut224.pnm
pnmtoplainpnm $name.clut224.pnm > $name.ppm
rm $name.pnm $name.clut224.pnm

1.3. 更换开机动画

更换开机动画有 2 种方式,一个是更换原生开机动画,另一个是添加定制动画,下面分别说明:

1.3.1. 更换原生动画

原生开机动画是 foundation/graphic/graphic_2d/frameworks/bootanimation/databootpic.zip,可以替换这个 zip 包。

开机动画 zip 包内容包括:

|-- config.json
`-- OH_bootAni compressed
|-- OH_bootAni_00000.jpg
|-- OH_bootAni_00001.jpg
|-- OH_bootAni_00002.jpg
|-- OH_bootAni_00003.jpg
|-- ...
|-- OH_bootAni_00146.jpg
|-- OH_bootAni_00147.jpg
|-- OH_bootAni_00148.jpg
`-- OH_bootAni_00149.jpg

config.json 的内容为:

{
"Remark": "FrameRate Support 30, 60 frame rate configuration",
"FrameRate": 30
}

自己定制开机动画需要按照上面的格式和内容来定制。

1.3.2. 添加定制动画

vendor/spacemit/xxx 目录下,加入 bootanimation_custom_config.json 配置文件,里面配置定制动画的路径,如下:

{
"cust.bootanimation.pics": "/sys_prod/etc/bootanimation/cust_bootpic.zip",
"cust.bootanimation.sounds": "/sys_prod/etc/bootanimation/cust_bootsound.wav",
"cust.bootanimation.video": "/sys_prod/etc/bootanimation/cust_bootvideo.mp4"
}

并在上述文件对应的路径放入定制开机动画。

1.4. 更换开机音乐

更换开机音乐有 2 种方式,一个是更换原生开机音乐,另一个是添加定制音乐,下面分别说明:

1.4.1. 更换原生音乐

原生开机音乐是 foundation/graphic/graphic_2d/frameworks/bootanimation/databootsound.wav,可以替换这个 wav 文件,音乐的时长不用太长。

1.4.2. 添加定制音乐

vendor/spacemit 目录下,加入 bootanimation_custom_config.json 配置文件,里面配置定制音乐的路径,如下:

{
"cust.bootanimation.pics": "/sys_prod/etc/bootanimation/cust_bootpic.zip",
"cust.bootanimation.sounds": "/sys_prod/etc/bootanimation/cust_bootsound.wav",
"cust.bootanimation.video": "/sys_prod/etc/bootanimation/cust_bootvideo.mp4"
}

并在上述文件对应的路径放入定制开机音乐。

1.5. 更换开机视频

更换开机视频有 2 种方式,一个是更换原生开机视频,另一个是添加定制视频,下面分别说明:

1.5.1. 更换原生视频

原生开机视频是 foundation/graphic/graphic_2d/frameworks/bootanimation/databootvideo.mp4,可以替换这个 mp4 文件,确保开机视频的视频编码格式为 H.264,视频长宽比例与屏幕长宽比例一致。

1.5.2. 添加定制视频

vendor/spacemit 目录下,加入 bootanimation_custom_config.json 配置文件,里面配置定制视频的路径,如下:

{
"cust.bootanimation.pics": "/sys_prod/etc/bootanimation/cust_bootpic.zip",
"cust.bootanimation.sounds": "/sys_prod/etc/bootanimation/cust_bootsound.wav",
"cust.bootanimation.video": "/sys_prod/etc/bootanimation/cust_bootvideo.mp4"
}

并在上述文件对应的路径放入定制开机视频。

1.6. 开机视频切换为开机动画

目前系统中默认开启了开机视频,没有使用开机动画,如果想要切换为开机动画,需要关闭开机视频播放,进行修改:vendor/spacemit/xxx/config.json"component": "graphic_2d" 中添加 graphic_2d_feature_player_framework_enable = false,如下所示:

fuqiang@snode2:~/workspace/oh5_r_release/vendor/spacemit/musepaper2$ git diff
diff --git a/musepaper2/config.json b/musepaper2/config.json
index d70ad50..ef16ca6 100755
--- a/musepaper2/config.json
+++ b/musepaper2/config.json
@@ -21,7 +21,8 @@
"subsystem": "graphic",
"components": [
{
"component": "graphic_2d",
"features": [
"graphic_2d_feature_ace_enable_gpu = true",
"graphic_2d_feature_parallel_render_enable = true",
- "graphic_2d_feature_rs_enable_eglimage = true"
+ "graphic_2d_feature_rs_enable_eglimage = true",
+ "graphic_2d_feature_player_framework_enable = false"
]
},
{

2. 应用定制

2.1. 预置应用

2.1.1. 添加预置应用

  • 将 hap 放置于 applications/standard/hap
  • 修改 applications/standard/hap/BUILD.gn 配置,如下例(以浏览器 hap 为例):
diff --git a/BUILD.gn b/BUILD.gn
index c9ea451..87ed7aa 100755
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -407,6 +407,13 @@ ohos_prebuilt_etc("tetris_hap") {
subsystem_name = "applications"
}

+ohos_prebuilt_etc("broswer_hap") {
+ source = "Broswer.hap"
+ module_install_dir = "app/ohos.samples.browser"
+ part_name = "prebuilt_hap"
+ subsystem_name = "applications"
+}
+
group("hap") {
deps = [
":calendarData_hap",
@@ -464,6 +471,7 @@ group("hap") {
"//applications/standard/hap:wuziqi_hap",
"//applications/standard/hap:deviceinfo_hap",
"//applications/standard/hap:tetris_hap",
+ "//applications/standard/hap:broswer_hap",
]
if (defined(product_name) && product_name == "watchos") {
deps -= [

  • 修改 vendor/spacemit/xxx/preinstall-config/install_list.json 配置进行安装,如下例:
diff --git a/musepaper/preinstall-config/install_list.json b/musepaper/preinstall-config/install_list.json
index dd859c2..0107e85 100755
--- a/musepaper/preinstall-config/install_list.json
+++ b/musepaper/preinstall-config/install_list.json
@@ -220,6 +220,10 @@
"app_dir": "/system/app/ohos.samples.game2048",
"removable": false
},
+ {
+ "app_dir": "/system/app/ohos.samples.label",
+ "removable": false
+ },
{
"app_dir": "/system/app/com.example.Digital_Huarong_Road",
"removable": false

2.1.2. 删除预置应用

删除应用是添加应用的逆操作,可以参考上面章节,将 vendor/spacemit/xxx/preinstall-config/install_list.json 中的对应 hap 的配置删除即可。

2.1.3. 预置应用可卸载

很多预置的系统应用是不可拆卸的,如果想将预置应用修改为可拆卸,修改如下:vendor/spacemit/xxx/preinstall-config/install_list.json 中将对应应用的 "removable" 设置为 true,如下所示:

{
"app_dir" : "/system/app/com.ohos.note",
"removable" : true
},

2.2. 替换系统应用

通过 Ability 来区分的话,系统应用又会分为如下两类:

  • UIAbility,如:Settings、Photos、Camera 等,这类系统应用能够展示在桌面。
  • ExtensionAbility,如:Launcher、SystemUI、Settingsdata 等,这类系统应用有的创建了窗口从而能显示界面,而有的则属于无页面的常驻服务去提供对应的能力。

因此传统的 hdc install 命令以及 IDE 的自动安装都无法正常安装,这个时候,就需要用到系统应用的替换。

以 Launcher 为例,系统应用的替换步骤如下:

  • 找到 Launcher 预置 hap 路径 /system/app/com.ohos.launcher,可以看到该路径下有 2 个 hap:Launcher.hapLauncher_Settings.hap
  • 执行以下指令
hdc shell mount -o remount,rw /
hdc shell rm -rf /data/*
hdc file send Launcher.hap /system/app/com.ohos.launcher/Launcher.hap
hdc file send Launcher_Settings.hap /system/app/com.ohos.launcher/Launcher_Settings.hap
hdc shell reboot
  • 即可正常替换安装自己构建的 Launcher

2.3. 相册

2.3.1. 推送视频

  • 准备 xxx.mp4 视频
  • 通过 hdc 将视频推入机器
D:\>hdc file send D:\xxx.mp4 /storage/media/100/local/files/Videos/
  • 触发媒体扫描
D:\>hdc shell
# scanner
#
  • 打开 相册 应用,播放视频,如果没有视频,将 相册 应用后台删除,重新进入

2.3.2. 推送图片

  • 准备 xxx.jpg 或者 xxx.png 图片
  • 通过 hdc 将图片推入机器
D:\>hdc file send D:\xxx.jpg /storage/media/100/local/files/Pictures/
  • 触发媒体扫描
D:\>hdc shell
# scanner
#
  • 打开 相册 应用,显示图片,如果没有图片,将 相册 应用后台删除,重新进入

2.4. Launcher

2.4.1. 替换背景图片

背景图片需要准备 2 张,1 张清晰,1 张模糊,配对使用,如下:

主要修改下面几个位置:

  • 修改 systemui,替换下面图片后,重新编译 systemui,将新生成的 hap 放入 applications/standard/hap 文件夹

    • applications/standard/systemui/product/phone/dropdownpanel/src/main/resources/phone/media/dropdownpanel_bgc.jpg
  • 修改 launcher,替换下面图片后,重新编译 launcher,将新生成的 hap 放入 applications/standard/hap 文件夹

    • applications/standard/launcher/product/phone/src/main/ets/common/pics
    • applications/standard/launcher/feature/appcenter/src/main/ets/default/common/pics/ic_wallpaper_form_manager.jpg
    • applications/standard/launcher/feature/form/src/main/ets/default/common/pics/ic_wallpaper_form_manager.jpg
    • applications/standard/launcher/feature/recents/src/main/ets/default/common/pics/ic_wallpaper_recent.jpg
  • 修改系统,替换下面图片后,和上面修改的 hap 一起编译生成新的 img

    • base/theme/wallpaper_mgr/frameworks/native/data/

2.4.2. 替换 launcher

  • 给自己的应用打上补丁,伪装成 launcher

    diff --git a/entry/src/main/ets/pages/Index.ets b/entry/src/main/ets/pages/Index.ets
    index 8e2d24a..f72e81a 100644
    --- a/entry/src/main/ets/pages/Index.ets
    +++ b/entry/src/main/ets/pages/Index.ets
    @@ -1,3 +1,8 @@
    +import hilog from '@ohos.hilog';
    +import systemParameterEnhance from '@ohos.systemParameterEnhance';
    +
    +const DOMAIN = 0x0000;
    +
    @Entry
    @Component
    struct Index {
    @@ -20,4 +25,26 @@ struct Index {
    .height('100%')
    .width('100%')
    }
    +
    + onPageShow(): void {
    + hilog.info(DOMAIN, 'launcher', 'onPageShow');
    + let firstActivate:boolean | undefined = AppStorage.get('firstActivate');
    + if (typeof firstActivate !== 'boolean') {
    + hilog.info(DOMAIN, 'launcher', 'first activate not defined');
    + AppStorage.setOrCreate('firstActivate', true);
    + this.voteBootEvent();
    + } else if (firstActivate) {
    + this.voteBootEvent();
    + }
    + }
    +
    + private voteBootEvent(): void {
    + try {
    + AppStorage.setOrCreate('firstActivate', false);
    + systemParameterEnhance.setSync('bootevent.launcher.ready', 'true');
    + hilog.info(DOMAIN, 'launcher', 'set bootevent.launcher.ready -> true');
    + } catch (err) {
    + hilog.error(DOMAIN, 'launcher', 'set voteBootEvent err: %{public}s', JSON.stringify(err));
    + }
    + }
    }
    \ No newline at end of file
    diff --git a/entry/src/main/module.json5 b/entry/src/main/module.json5
    index e691821..0812247 100644
    --- a/entry/src/main/module.json5
    +++ b/entry/src/main/module.json5
    @@ -2,8 +2,9 @@
    "module": {
    "name": "entry",
    "type": "entry",
    + "srcEntry": "./ets/entryability/EntryAbility.ets",
    "description": "$string:module_desc",
    - "mainElement": "EntryAbility",
    + "mainElement": "com.ohos.launcher.MainAbility",
    "deviceTypes": [
    "default"
    ],
    @@ -12,7 +13,8 @@
    "pages": "$profile:main_pages",
    "abilities": [
    {
    - "name": "EntryAbility",
    + "priority": 2,
    + "name": "com.ohos.launcher.MainAbility",
    "srcEntry": "./ets/entryability/EntryAbility.ets",
    "description": "$string:EntryAbility_desc",
    "icon": "$media:layered_image",
    @@ -23,28 +25,17 @@
    "skills": [
    {
    "entities": [
    - "entity.system.home"
    + "entity.system.home",
    + "flag.home.intent.from.system"
    ],
    "actions": [
    - "action.system.home"
    + "action.system.home",
    + "com.ohos.action.main",
    + "action.form.publish",
    ]
    }
    ]
    }
    - ],
    - "extensionAbilities": [
    - {
    - "name": "EntryBackupAbility",
    - "srcEntry": "./ets/entrybackupability/EntryBackupAbility.ets",
    - "type": "backup",
    - "exported": false,
    - "metadata": [
    - {
    - "name": "ohos.extension.backup",
    - "resource": "$profile:backup_config"
    - }
    - ]
    - }
    ]
    }
    }
    \ No newline at end of file
  • 获取应用的 fingerprint

提高 hilog 打印等级并关闭隐私

hilog -b D
hilog -p off
hilog | grep fingerprint > /mnt/1.txt

尝试安装 hap,可以在 hilog 中检索到 fingerprint

hdc file send your_launcher.hap /mnt/Launcher.hap
hdc shell bm install -p /mnt/Launcher.hap
  • 更新 install_list_capability.json

将新的 fingerprint 拷贝到 install_list_capability.json 中 launcher 对应的位置,并更新到 /system/etc/app/install_list_capability.json

hdc file send D:\_Resource\oh\install_list_capability.json /mnt/
hdc shell mount -o rw,remount /
hdc shell cp /mnt/install_list_capability.json /system/etc/app/install_list_capability.json
  • 删除 launcher_settings.hap

删除 /system/hap/com.ohos.launcher/launcher_settings.hap

hdc shell rm /system/hap/com.ohos.launcher/launcher_settings.hap
  • 安装应用


    hdc file send your_launcher.hap /mnt/Launcher.hap
    hdc shell mount -o rw,remount /
    hdc shell cp /mnt/Launcher.hap /system/app/com.ohos.launcher/Launcher.hap
    hdc shell rm -rf /data/*
  • reboot

    hdc shell reboot

2.5. 锁屏

2.5.1. 去掉锁屏

  • applications/standard/hap/BUILD.gn 文件中去除锁屏应用相关的代码,如下:
diff --git a/BUILD.gn b/BUILD.gn
index e213683..7382b97 100755
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -463,7 +463,6 @@ group("hap") {
"//applications/standard/hap:note_hap",
"//applications/standard/hap:notificationManagement_hap",
"//applications/standard/hap:photos_hap",
- "//applications/standard/hap:screenLock_hap",
"//applications/standard/hap:screen_shot_hap",
"//applications/standard/hap:settingsData_hap",
"//applications/standard/hap:settings_faceauth_hap",
@@ -518,7 +517,6 @@ group("hap") {
"//applications/standard/hap:navigationBar_hap",
"//applications/standard/hap:notificationManagement_hap",
"//applications/standard/hap:photos_hap",
- "//applications/standard/hap:screenLock_hap",
"//applications/standard/hap:screen_shot_hap",
"//applications/standard/hap:settingsData_hap",
"//applications/standard/hap:settings_faceauth_hap",

  • foundation/systemabilitymgr/safwk/etc/profile/foundation.cfg 文件中去除开机时对锁屏应用状态的检测,如下:
diff --git a/etc/profile/foundation.cfg b/etc/profile/foundation.cfg
index f2573fa..1a21510 100644
--- a/etc/profile/foundation.cfg
+++ b/etc/profile/foundation.cfg
@@ -25,7 +25,6 @@
"name" : "services:restartfoundation",
"cmds" : [
"unset_bootevent bootevent.appfwk.ready",
- "unset_bootevent bootevent.lockscreen.ready",
"unset_bootevent bootevent.launcher.ready",
"reset appspawn",
"reset accountmgr",
@@ -141,7 +140,6 @@
"bootevents": [
"bootevent.wms.fullscreen.ready",
"bootevent.appfwk.ready",
- "bootevent.lockscreen.ready",
"bootevent.launcher.ready",
"bootevent.wms.ready"
],

  • 去除窗口控制器对锁屏信号的响应;因为这里我们只是去掉了锁屏应用,但触发锁屏的机制还在,比如说按键触发和遥控器触发,只是没有实际的响应,如果不去掉,当再触发进入锁屏的机制,可能会出现应用界面冻结,修改在 foundation/window/window_manager/wmserver/src/window_controller.cpp 文件,如下:
diff --git a/wmserver/src/window_controller.cpp b/wmserver/src/window_controller.cpp
index 32c6a60ec..98df12ffc 100644
--- a/wmserver/src/window_controller.cpp
+++ b/wmserver/src/window_controller.cpp
@@ -783,8 +783,8 @@ void WindowController::NotifyDisplayStateChange(DisplayId defaultDisplayId, sptr
WLOGFD("NotifyDisplayStateChange start: %{public}u", type);
switch (type) {
case DisplayStateChangeType::BEFORE_SUSPEND: {
- isScreenLocked_ = true;
- windowRoot_->ProcessWindowStateChange(WindowState::STATE_FROZEN, WindowStateChangeReason::KEYGUARD);
+ //isScreenLocked_ = true;
+ //windowRoot_->ProcessWindowStateChange(WindowState::STATE_FROZEN, WindowStateChangeReason::KEYGUARD);
break;
}
case DisplayStateChangeType::BEFORE_UNLOCK: {

  • 副作用:无下拉菜单

2.6. USB 通信定制

2.6.1. 使用 USB DDK 通信

  • 使用 Deveco Studio 创建 Native C++ 工程
  • 在 entry/build-profile.json5 添加 riscv64 适配
{
"apiType": "stageMode",
"buildOption": {
"externalNativeOptions": {
"path": "./src/main/cpp/CMakeLists.txt",
"arguments": "",
"abiFilters": [
"riscv64"
],
"cppFlags": "",
}
},
"buildOptionSet": [
{
"name": "release",
"arkOptions": {
"obfuscation": {
"ruleOptions": {
"enable": false,
"files": [
"./obfuscation-rules.txt"
]
}
}
},
"nativeLib": {
"debugSymbol": {
"strip": true,
"exclude": []
}
}
},
],
"targets": [
{
"name": "default"
},
{
"name": "ohosTest",
}
]
}
  • 在 entry/src/main/module.json5 申请权限:
...
"requestPermissions": [
{
"name": "ohos.permission.ACCESS_DDK_USB"
}
]
...
  • 链接动态库

修改 entry/src/main/cpp/CMakeLists.txt 添加相关 lib:

target_link_libraries(entry PUBLIC libace_napi.z.so libhilog_ndk.z.so libusb_ndk.z.so)
  • entry/src/main/cpp/napi_init.cpp 中添加 USB 读写逻辑:
#include "napi/native_api.h"
#include <usb/usb_ddk_api.h>
#include <usb/usb_ddk_types.h>
#include <hilog/log.h>

uint64_t interfaceHandle = 0;
struct UsbDeviceMemMap *devMmap = nullptr;


static napi_value UsbInit(napi_env env, napi_callback_info info)
{
napi_value result;
// 初始化USB DDK
OH_Usb_Init();
struct UsbDeviceDescriptor devDesc;
uint64_t deviceId = 0x0000000200000002; //对应耳机usb节点:/dev/bus/usb/001/003 001对应高八位 004对应第八位
// 获取设备描述符
OH_Usb_GetDeviceDescriptor(deviceId, &devDesc);
struct UsbDdkConfigDescriptor *config = nullptr;
// 获取配置描述符
OH_Usb_GetConfigDescriptor(deviceId, 1, &config);
// 根据配置描述符,找到所需要通信的interfaceIndex
uint8_t interfaceIndex = 0;
// 声明接口

int ret = OH_Usb_ClaimInterface(deviceId, interfaceIndex, &interfaceHandle);
// 释放配置描述符
OH_Usb_FreeConfigDescriptor(config);

napi_create_int32(env, ret, &result);
return result;
}

static napi_value UsbSend(napi_env env, napi_callback_info info)
{
napi_value result;
// 超时时间,设置为1s;
uint32_t timeout = 1000;

//获取deviceid、devicekey
struct UsbControlRequestSetup setupWrite1;
setupWrite1.bmRequestType = 0x40;
setupWrite1.bRequest = 0x09;
setupWrite1.wValue = 0x200;
setupWrite1.wIndex = 0x4;
setupWrite1.wLength = 0x10;
uint8_t dataWrite1[10] = {0xA5,0x5A,0xFA,0x02,0x02,0x00,0x16};
uint32_t dataWriteLen1 = 10;
// 发送控制写请求
OH_Usb_SendControlWriteRequest(interfaceHandle, &setupWrite1, timeout, dataWrite1, dataWriteLen1);

struct UsbControlRequestSetup setupRead;
setupRead.bmRequestType = 0xC0;
setupRead.bRequest = 0x01;
setupRead.wValue = 0x101;
setupRead.wIndex = 0x4;
setupRead.wLength = 0x100;
uint8_t dataRead[256] = {};
uint32_t dataReadLen = 256;
// 发送控制读请求
int ret = OH_Usb_SendControlReadRequest(interfaceHandle, &setupRead, timeout, dataRead, &dataReadLen);
for(int i = 0; i < 10; i++){
OH_LOG_Print(_LOG_APP_, _LOG_ERROR_, 0xff, "usb-ddk", "data read:%{public}x", dataRead[i]);
}

napi_create_int32(env, ret, &result);
return result;
}

static napi_value UsbDestroy(napi_env env, napi_callback_info info)
{
napi_value result;
// 销毁缓冲区
// 释放接口
int ret = OH_Usb_ReleaseInterface(interfaceHandle);
// 释放USB DDK
OH_Usb_Release();

napi_create_int32(env, ret, &result);
return result;
}


EXTERN_C_START
static napi_value Init(napi_env env, napi_value exports)
{
napi_property_descriptor desc[] = {
{ "usbInit", nullptr, UsbInit, nullptr, nullptr, nullptr, _napi_default_, nullptr },
{ "usbDestroy", nullptr, UsbDestroy, nullptr, nullptr, nullptr, _napi_default_, nullptr },
{ "usbSend", nullptr, UsbSend, nullptr, nullptr, nullptr, _napi_default_, nullptr }
};
napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
return exports;
}
EXTERN_C_END

static napi_module demoModule = {
.nm_version = 1,
.nm_flags = 0,
.nm_filename = nullptr,
.nm_register_func = Init,
.nm_modname = "entry",
.nm_priv = ((void*)0),
.reserved = { 0 },
};

extern "C" __attribute__((constructor)) void RegisterEntryModule(void)
{
napi_module_register(&demoModule);
}
  • entry/src/main/cpp/types/libentry/Index.d.ts 中添加声明:
**export const **usbInit: () => number;
**export **const usbDestroy: () => number;
export const usbSend: () => number;

UI 中调用:

**import **testNapi **from **'libentry.so';

@Entry
@Component
**struct **Index {
@State message: string = 'Control Red Led';
build() {
Row() {
Column() {
Text(**this**.message)
.fontSize(50)
.fontWeight(FontWeight.Bold)
.onClick(() => {
testNapi.usbInit(); //传入资源对象,以及访问的rawfile文件夹名称
testNapi.usbSend();
testNapi.usbDestroy();
})
}
.width('100%')
}
.height('100%')
}
}

2.6.2. 使用 HID DDK 通信

由于 OH5.0 版本 hid ddk 的功能实现尚未完全,可通过直接读写 hidraw 节点实现通信。

  • 内核打开 hidraw 配置(kernel\linux\spacemit_kernel-6.6\arch\riscv\configs\k1_defconfig)
CONFIG_HIDRAW=y
  • 修改 hidraw 节点读写权限(base\startup\init\ueventd\etc\ueventd.config)
/dev/bus/usb/* 0666 0 0
  • 使用 Deveco Studio 创建 Native C++ 工程
  • 在 entry/build-profile.json5 添加 riscv64 适配
{
"apiType": "stageMode",
"buildOption": {
"externalNativeOptions": {
"path": "./src/main/cpp/CMakeLists.txt",
"arguments": "",
"abiFilters": [
"riscv64"
],
"cppFlags": "",
}
},
"buildOptionSet": [
{
"name": "release",
"arkOptions": {
"obfuscation": {
"ruleOptions": {
"enable": false,
"files": [
"./obfuscation-rules.txt"
]
}
}
},
"nativeLib": {
"debugSymbol": {
"strip": true,
"exclude": []
}
}
},
],
"targets": [
{
"name": "default"
},
{
"name": "ohosTest",
}
]
}
  • 链接动态库

修改 entry/src/main/cpp/CMakeLists.txt 添加相关 lib:

target_link_libraries(entry PUBLIC libace_napi.z.so libhilog_ndk.z.so)
  • entry/src/main/cpp/napi_init.cpp 中添加 HID 节点读写逻辑,写数据示例如下:
#include "napi/native_api.h"
#include <hilog/log.h>
#include <iostream>
#include <fcntl.h>
#include <unistd.h>
#include <cstdint>
#include <cerrno>


static napi_value HidTest(napi_env env, napi_callback_info info)
{
napi_value result;
const uint8_t hid_data[] = {
0x2E, 0xAA, 0xEC, 0x6B, 0x00, 0x07, 0xA2, 0xA4,
0x43, 0xA5, 0xA5, 0xC1, 0x5A, 0xF6, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
const size_t data_len = sizeof(hid_data);

int fd = open("/dev/hidraw1", O_WRONLY);
if (fd == -1) {
OH_LOG_Print(_LOG_APP_, _LOG_ERROR_, 0xff, "hid-ddk", "open hidraw error");
}

ssize_t write_result = write(fd, hid_data, data_len);
if (write_result == -1) {
OH_LOG_Print(_LOG_APP_, _LOG_ERROR_, 0xff, "hid-ddk", "write error:%{public}s",std::strerror(errno));
}

if (write_result != static_cast<ssize_t>(data_len)) {
OH_LOG_Print(_LOG_APP_, _LOG_ERROR_, 0xff, "hid-ddk", "only write:%{public}zu",data_len);
} else {
OH_LOG_Print(_LOG_APP_, _LOG_ERROR_, 0xff, "hid-ddk", "write success:%{public}zu",write_result);
}

close(fd);
fd = -1;

napi_create_uint32(env, write_result, &result);
return result;
}

EXTERN_C_START
static napi_value Init(napi_env env, napi_value exports)
{
napi_property_descriptor desc[] = {
{ "hidTest", nullptr, HidTest, nullptr, nullptr, nullptr, _napi_default_, nullptr },
};
napi_define_properties(env, exports, sizeof(desc) / sizeof(desc[0]), desc);
return exports;
}
EXTERN_C_END

static napi_module demoModule = {
.nm_version = 1,
.nm_flags = 0,
.nm_filename = nullptr,
.nm_register_func = Init,
.nm_modname = "entry",
.nm_priv = ((void*)0),
.reserved = { 0 },
};

extern "C" __attribute__((constructor)) void RegisterEntryModule(void)
{
napi_module_register(&demoModule);
}
  • entry/src/main/cpp/types/libentry/Index.d.ts 中添加声明:
**export const hidTest: () => number;**
  • UI 中调用:
**import **testNapi **from **'libentry.so';

@Entry
@Component
**struct **Index {
@State message: string = 'Control Red Led';
build() {
Row() {
Column() {
Text(**this**.message)
.fontSize(50)
.fontWeight(FontWeight.Bold)
.onClick(() => {
testNapi.hidTest();
})
}
.width('100%')
}
.height('100%')
}
}

3. 系统定制

3.1. 添加系统属性

3.1.1. 固定值系统属性

vendor/spacemit/xxx/etc/param/product_xxx.para 中添加即可,如下:

const.product.name="MUSEPAPER"
const.product.manufacturer="SPACEMIT"
const.product.brand="MUSEPAPER"
const.software.model="1.0.0.1"
const.product.hardwareversion="1.0.0.0"
const.product.software.version="1.0.0.1"
const.product.incremental.version="1.0.0.0"
const.build.product="MUSEPAPER"

添加的属性可以是已经存在的系统属性,这里进行覆盖,也可以是新添加的自定义名称的属性。

3.1.2. 读取值系统属性

读取值系统属性不是固定值,是需要在开机阶段通过读取节点等方式动态获取并写入到属性中的,添加逻辑和固定值系统属性不同。

主要在 base/startup/init/services/init/standard/init.c 中进行添加,代码中已经添加了获取 CPU 型号和 MEM 大小的例子,以获取内存大小为例说明:

  • 添加通过节点读取信息的接口
void get_memory_size(char *buffer) {
FILE *fp = fopen("/proc/meminfo", "r");
if (!fp) {
perror("Could not open /proc/meminfo");
return;
}

char line[BUFFER_SIZE];
while (fgets(line, sizeof(line), fp)) {
if (strstr(line, "MemTotal")) {
char *colon = strchr(line, ':');
if (colon) {
unsigned long mem_kb;
sscanf(colon + 1, "%lu", &mem_kb);
float mem_gb = mem_kb / (1024.0 * 1024.0);
snprintf(buffer, BUFFER_SIZE, "%d GB", closest_value(mem_gb));
break;
}
}
}
fclose(fp);
}
  • 在 RegisteSystemParameter 中调用接口写入属性
void RegisteSystemParameter(void){
...
char memory_size[BUFFER_SIZE] = "Unknown";

...
get_memory_size(memory_size);

...
i = SystemWriteParameter("const.product.mem", memory_size);
INIT_LOGI("const.product.mem = %s, ret = %d", memory_size, i);
}

3.2. 电源管理定制

主要修改 vendor/spacemit/xxx/power_config/power_mode_config.xml,如下:

<!--
Power Mode Definitions:
MODE_NORMAL = 600,
MODE_POWER_SAVE = 601,
MODE_PERFORMANCE = 602,
MODE_EXTREME_POWER_SAVE = 603,
-->
<!--
Action Definitions:
DisplayOffTime = 101,
SystemAutoSleepTime = 102,
AutoAdjustBrightness = 103,
AutoWindowRotation = 107,
SystemBrightness = 115,
VibratorsState = 120,
-->
<switch_proxy version="1">
<proxy id="600">
<switch id="101" value="300000" recover_flag="0"/>
<switch id="102" value="0" recover_flag="0"/>
<switch id="103" value="-1" recover_flag="0"/>
<switch id="107" value="1" recover_flag="0"/>
<switch id="115" value="76" recover_flag="0"/>
<switch id="120" value="1" recover_flag="0"/>
</proxy>
<proxy id="601">
<switch id="101" value="10000" recover_flag="0"/>
<switch id="102" value="5000" recover_flag="0"/>
<switch id="103" value="-1" recover_flag="0"/>
<switch id="107" value="-1" recover_flag="0"/>
<switch id="115" value="50" recover_flag="0"/>
<switch id="120" value="-1" recover_flag="0"/>
</proxy>
<proxy id="602">
<switch id="101" value="-1" recover_flag="0"/>
<switch id="102" value="-1" recover_flag="0"/>
<switch id="103" value="-1" recover_flag="0"/>
<switch id="107" value="1" recover_flag="0"/>
<switch id="115" value="255" recover_flag="0"/>
<switch id="120" value="1" recover_flag="0"/>
</proxy>
<proxy id="603">
<switch id="101" value="5000" recover_flag="0"/>
<switch id="102" value="1000" recover_flag="0"/>
<switch id="103" value="-1" recover_flag="0"/>
<switch id="107" value="-1" recover_flag="0"/>
<switch id="115" value="25" recover_flag="0"/>
<switch id="120" value="-1" recover_flag="0"/>
</proxy>
</switch_proxy>

该文件主要定义了几种电源管理模式,包括正常/省电/性能/超级省电等,以及对应管理模式的参数,包括关屏时间,待机时间等。

3.2.1. 设置不关屏休眠

默认系统是在 MODE_NORMAL 模式,可以通过命令切换到其他模式,比如不想让系统进入休眠,可以通过命令切换到性能模式,如下:

power-shell setmode 602

3.2.2. 设置关屏时间

关屏时间主要通过 DisplayOffTime(101) 来修改,单位为 毫秒(ms),举例如下:

<switch id="101" value="300000" recover_flag="0"/>
//300000 表示开机后,3分钟后关屏

<switch id="101" value="-1" recover_flag="0"/>
//-1 表示永不关屏

3.2.3. 设置深度休眠时间

深度休眠时间主要通过 SystemAutoSleepTime(102) 来修改,单位为 毫秒(ms),举例如下:

<switch id="102" value="0" recover_flag="0"/>
//0 表示关屏后马上休眠

<switch id="102" value="5000" recover_flag="0"/>
//5000 表示关屏5s后,进入休眠

<switch id="102" value="-1" recover_flag="0"/>
//-1 表示只关屏,不休眠

3.3. 窗口管理定制

主要修改 vendor/spacemit/musepaper2/window_config 路径下的 display_manager_config.xmlwindow_manager_config.xml

3.3.1. display_manager_config.xml

 <Configs>
<!--Window display dpi, valid range is 80~640, use 0 if no configuration is requeired-->
<dpi>240</dpi>
<!-- Indicate the deviation between the default device display direction and the direction -->
<!-- of the sensor. Use 0 in default, available values are {0, 90, 180, 270} -->
<defaultDeviceRotationOffset>0</defaultDeviceRotationOffset>
<!-- Svg path for cutout, use empty string if there is not cutout on the screen -->
<!-- format: string -->
<!-- default value: empty string -->
<!-- sample: M 100,100 m -75,0 a 75,75 0 1,0 150,0 a 75,75 0 1,0 -150,0 z -->
<defaultDisplayCutoutPath></defaultDisplayCutoutPath>
<!-- Indicates the boundary of the curved screen, each value corresponds to the px from each edge -->
<!-- format: number(left) number(top) number(right) number(bottom) -->
<!-- default value: 0 0 0 0 -->
<!-- sample: 150 150 0 0 -->
<curvedScreenBoundary>0 0 0 0</curvedScreenBoundary>
<!-- Indicates whether the built-in display is a waterfall display -->
<!-- format: boolean -->
<!-- default value: false -->
<!-- sample: false -->
<isWaterfallDisplay enable="false"></isWaterfallDisplay>

<!-- Indicate whether to enable display area compression for waterfall display when displayed in landscape -->
<!-- or landscape_inverted mode. -->
<!-- This configuration item takes effect only when isWaterfallDisplay above is true -->
<!-- format: boolean -->
<!-- default value: false -->
<isWaterfallAreaCompressionEnableWhenHorizontal enable="false"></isWaterfallAreaCompressionEnableWhenHorizontal>

<!-- Indicate the size of both sides of the waterfall display which to be compressed when displayed in landscape -->
<!-- or landscape_inverted mode. -->
<!-- This configuration item takes effect only when isWaterfallDisplay above is true -->
<!-- format: uint32_t, the unit is vp. -->
<!-- default value: 0 -->
<waterfallAreaCompressionSizeWhenHorzontal>0</waterfallAreaCompressionSizeWhenHorzontal>

<!-- Indicates orientation of the built-in screen -->
<!-- 0: Orientation::UNSPECIFIED -->
<!-- 1: Orientation::VERTICAL 2: Orientation::HORIZONTAL-->
<!-- 3: Orientation::REVERSE_VERTICAL 4: Orientation::REVERSE_HORIZONTAL -->
<buildInDefaultOrientation>0</buildInDefaultOrientation>
</Configs>

主要修改的配置为:

  • dpi:像素密度,dpi 越大图标越小
  • buildInDefaultOrientation:桌面旋转角度配置

3.3.2. window_manager_config.xml

主要用于配置窗口动画,效果等,修改不多

3.4. 网络管理定制

3.4.1. wifi 定制

3.4.1.1. 驱动调试

该调试功能主要由进迭进行,确保驱动层功能正常,并能够编译出 ko。

3.4.1.2. 拷贝 ko(以 rtl8852bs 为例)

device/board/spacemit/xxx/kernelbuild_kernel.sh 中进行拷贝,如下:

function cp_ko(){
# cp ko to userspace
cp ${KERNEL_BUILD_ROOT}/drivers/usb/typec/typec.ko ${OHOS_SOURCE_ROOT}/device/board/${DEVICE_BOARD}/${DEVICE_NAME}/kernel/ko
cp ${KERNEL_BUILD_ROOT}/drivers/usb/typec/husb239.ko ${OHOS_SOURCE_ROOT}/device/board/${DEVICE_BOARD}/${DEVICE_NAME}/kernel/ko
cp ${KERNEL_BUILD_ROOT}/drivers/net/wireless/realtek/rtl8852be/8852be.ko ${OHOS_SOURCE_ROOT}/device/board/${DEVICE_BOARD}/${DEVICE_NAME}/kernel/ko
cp ${KERNEL_BUILD_ROOT}/drivers/net/wireless/realtek/rtl8852bs/8852bs.ko ${OHOS_SOURCE_ROOT}/device/board/${DEVICE_BOARD}/${DEVICE_NAME}/kernel/ko
}

在编译完内核后,将内核编译目录下的 ko 拷贝到 OpenHarmony 系统的目录下,在编译 OpenHarmony 的时候,会将这些 ko 拷贝到 vendor 分区并进行打包。

3.4.1.3. 加载 ko(以 8852bs 为例)

device/board/spacemit/xxx/cfginit.xxx.cfg 中进行 ko 的加载,如下:

{
"name" : "fs",
"cmds" : [
"insmod /vendor/modules/8852bs.ko ifname=wlan0 if2name=p2p0",
"insmod /vendor/modules/typec.ko",
"insmod /vendor/modules/husb239.ko"
]
},

开机后,会在 init 进程中,加载这些 ko,通过 lsmod 命令查看是否加载成功,如下:

# lsmod
Module Size Used by
husb239 110592 0
typec 323584 1 husb239
8852bs 10031104 0

3.4.2. BT 定制

待添加

3.4.3. 4G 定制

待添加

3.5. 多媒体系统定制

3.5.1. 音频通路定制

vendor\spacemit\xxx\hals\audio\alsa_adapter.json 添加声卡信息。

{
"adapters": [
{
"name": "primary",
"cardId": 0,
"cardName": "sndes8326"
},
{
"name": "usb",
"cardId": 1,
"cardName": "C"
}
]
}

vendor\spacemit\xxx\hals\audio\config\riscv64\audio_policy_config.xml 配置不同声卡的音频属性,包括播放、录制下的采样率、通道数、buffer 大小等。

        <adapter name="primary" supportSelectScene="0">
<pipes>
<pipe name="primary_output" role="output">
<paProp lib="libmodule-hdi-sink.z.so" role="sink" fixed_latency="1" render_in_idle_state="1" moduleName="Speaker"/>
<streamProps>
<streamProp format="s16le" sampleRates="48000" channelLayout="CH_LAYOUT_STEREO" bufferSize="4096"/>
</streamProps>
<attributes>
<attribute name="preload" value="true"/>
</attributes>
</pipe>
<pipe name="primary_input" role="input">
<paProp lib="libmodule-hdi-source.z.so" role="source" moduleName="Built_in_mic"/>
<streamProps>
<streamProp format="s16le" sampleRates="48000" channelLayout="CH_LAYOUT_STEREO" bufferSize="4096"/>
</streamProps>
</pipe>
</pipes>
<devices>
<device name="Speaker_Out" type="DEVICE_TYPE_SPEAKER" pin="PIN_OUT_SPEAKER" role="output" supportPipes="primary_output"/>
<device name="Wired_Headset_Out" type="DEVICE_TYPE_WIRED_HEADSET" pin="PIN_OUT_HEADSET" role="output" supportPipes="primary_output"/>
<device name="Wired_Headphones_Out" type="DEVICE_TYPE_WIRED_HEADPHONES" pin="PIN_OUT_HEADPHONE" role="output" supportPipes="primary_output"/>
<device name="Builtin_Mic_In" type="DEVICE_TYPE_MIC" pin="PIN_IN_MIC" role="input" supportPipes="primary_input"/>
<device name="Wired_Headset_In" type="DEVICE_TYPE_WIRED_HEADSET" pin="PIN_IN_HS_MIC" role="input" supportPipes="primary_input"/>
</devices>
</adapter>
<adapter name="usb">
<pipes>
<pipe name="usb_output" role="output">
<paProp lib="libmodule-hdi-sink.z.so" role="sink" fixed_latency="1" render_in_idle_state="1" moduleName="Usb_arm_speaker"/>
<streamProps>
<streamProp format="s16le" sampleRates="48000" channelLayout="CH_LAYOUT_STEREO" bufferSize="4096"/>
</streamProps>
<attributes>
<attribute name="preload" value="true"/>
</attributes>
</pipe>
<pipe name="usb_input" role="input">
<paProp lib="libmodule-hdi-source.z.so" role="source" moduleName="Usb_arm_mic"/>
<streamProps>
<streamProp format="s16le" sampleRates="48000" channelLayout="CH_LAYOUT_STEREO" bufferSize="19200"/>
</streamProps>
</pipe>
</pipes>
<devices>
<device name="Usb_Headset_Out" type="DEVICE_TYPE_USB_HEADSET" pin="PIN_OUT_USB_HEADSET" role="output" supportPipes="usb_output"/>
<device name="Usb_Headset_In" type="DEVICE_TYPE_USB_HEADSET" pin="PIN_IN_USB_HEADSET" role="input" supportPipes="usb_input"/>
</devices>
</adapter>

3.5.2. camera 通路定制(mipi)

完成 camera 通路的适配,包括以下三个步骤:

  1. 确保 camera 底层驱动正常,保证 cam-test 的 demo 正常出图
  2. 确保 svivi 虚拟摄像头驱动正常,保证 v4l2_test_spacemit 正常出图
  3. 适配 camera 到 OH 框架

下面分 3 个小结进行详细说明:

3.5.2.1. 确保 camera 底层驱动正常

  • cam-test 应用点亮一款 OH 已支持的摄像头,只需两步

第一步:

确定摄像头是接在开发板的哪个 MIPI CSI 接口上,假如是接在了 MIPI CSI1 硬件接口,则运行以下命令探测摄像头

cam-test /system/profile/csi1_camera_detect.json

(如果摄像头是接在了 MIPI CSI2 硬件接口则使用 csi2_camera_detect.json

运行结果如下:

......
I: ./sensors/cam_sensors_module.c(235): "detect ov16a10_spm sensors in csi1: success, set 3840x2160 to 1920x1080"
I: auto_detect_camera(1401): "auto detect sensor ===================== finish "
I: update_json_file(672): "save json to /data/csi1_camera_auto.json success"

cam-test 将会自动探测 mipi csi1 上已支持的摄像头 id,如果成功探测到将生成可用的 json 文件到/data/目录,该 json 文件将在后面的步骤中使用到。如果没有探测到,说明没有支持此摄像头,或者硬件有问题,或者软件配置不正确,此情况下建议请求 进迭工程师 提供支持。

从上述运行 log 还可以得出,ov16a10 sensor 生成的 json 默认使用模式 0,sensor 输出分辨率为 3840x2160,isp 输出分辨率为 1920x1080。json 配置文件的更多描述,请参阅《camera 快速启动指南》的 JSON 参数说明章节。

第二步:

运行下列命令,使用自动生成的 json 配置文件,启动摄像头出图 500 帧,并保存第 250 帧。

cam-test /data/csi1_camera_auto.json

如果观察到下列打印,则表明摄像头开流有后数据输出。该第一大步骤完成。

I: cpp_client_receive_mctf_buffers(1833): "CPP0: frameid 1, fps 30.0"

如果运行失败,建议请求 进迭工程师 提供支持。请提供 cam-test 测试 log 文件,dmesg 内核打印文件,以及测试情况说明。

  • cam-test 应用点亮一款 OH 未支持的新摄像头

请参阅《camera 快速启动指南》快速点亮导览中的情况二,和文档有差别的地方是 cam-test 源码路径变更为

device/soc/spacemit/k1/hardware/camera

其余基本相同,此处不再赘述。

3.5.2.2. 确保 svivi 虚拟摄像头驱动正常

经过第一步骤,已经可以确定 camera 的软硬件是正常可用的,接下来需要跑通 svivi 虚拟摄像头驱动,为后面 camera 摄像头适配 OH 做好准备工作。

首先,需要按照以下步骤简单调整前面生成的 json 配置:

  • 新增 use_v4l:1 字段,切换 cam-test 处于 v4l2 功能模式
{
"tuning_server_enable":1,
"show_fps":1,
"auto_run": 0,
//新增 "use_v4l":1,
"use_v4l":1,
......
}
  • 如果该摄像头是后摄,则重命名该文件为 svivi_cam1.json;如果该摄像头是前摄,则重命名该文件为 svivi_cam2.json,并放置到 /system/profile/ 目录。
  • 使用 v4l2_test_spacemit 执行下列命令测试 svivi 虚拟摄像头驱动。

如果使用的摄像头是后摄,则操作 /dev/video23,执行的命令如下:

v4l2_test_spacemit --device /dev/video23 --set-fmt-video width=1920,height=1080,pixelformat=NV12 --verbose --stream-dmabuf --stream-loop  --stream-save 10 --stream-to=/data/test.yuv

如果使用的摄像头是前摄,则操作 /dev/video24,执行的命令如下:

v4l2_test_spacemit --device /dev/video24 --set-fmt-video width=1920,height=1080,pixelformat=NV12 --verbose --stream-dmabuf --stream-loop  --stream-save 10 --stream-to=/data/test.yuv

测试正常的输出 log 如下:

#v4l2_test_spacemit --device /dev/video24 --set-fmt-video width=1920,height=1080,pixelformat=NV12 --verbose --stream-dmabuf --stream-loop  --stream-save 10 --stream-to=test.yuv
stream_save:10
main:847 [WARN]can't get codec type

VIDIOC_G_FMT: ok, type:9
VIDIOC_S_FMT: ok, type:9
Format Video Capture Multiplanar:
Width/Height : 1920/1080
Pixel Format : 'NV12' (Y/UV 4:2:0)
Field : None
Number of planes : 1
Colorspace : sRGB
Plane 0 :
Bytes per Line : 1920
Size Image : 2073600
start buffer preprocessing
VIDIOC_REQBUFS: ok, type:9, count:4
VIDIOC_QUERYBUF: ok, type:9
Index : 0
Type : V4L2_BUF_TYPE_VIDEO_CAPTURE_MPLANE
Flags : 0
Field : 1
Sequence : 0
Length : 1
Bytesused: 0
Timestamp: 0.000000s
Plane : 0
Length : 3110400
Bytesused : 3110400
Data Offset: 0

VIDIOC_QBUF: ok, type:9
VIDIOC_QUERYBUF: ok, type:9
VIDIOC_QBUF: ok, type:9
VIDIOC_QUERYBUF: ok, type:9
VIDIOC_QBUF: ok, type:9
VIDIOC_QUERYBUF: ok, type:9
VIDIOC_QBUF: ok, type:9
start buffer queue
start to VIDIOC_STREAMON
VIDIOC_STREAMON: ok, type:9
start select.
VIDIOC_DQBUF: ok, type:9
write_buffer_to_file:661 [INFO]capture w2f: 1 0 p:0x3f3b2c8000 0, 3110400
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 1
start select.
VIDIOC_DQBUF: ok, type:9
write_buffer_to_file:661 [INFO]capture w2f: 1 1 p:0x3f3afd0000 0, 3110400
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 2
start select.
VIDIOC_DQBUF: ok, type:9
write_buffer_to_file:661 [INFO]capture w2f: 1 2 p:0x3f3acd8000 0, 3110400
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 3
start select.
VIDIOC_DQBUF: ok, type:9
write_buffer_to_file:661 [INFO]capture w2f: 1 3 p:0x3f3a9e0000 0, 3110400
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 4
start select.
VIDIOC_DQBUF: ok, type:9
write_buffer_to_file:661 [INFO]capture w2f: 1 0 p:0x3f3b2c8000 0, 3110400
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 5
start select.
VIDIOC_DQBUF: ok, type:9
write_buffer_to_file:661 [INFO]capture w2f: 1 1 p:0x3f3afd0000 0, 3110400
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 6
start select.
VIDIOC_DQBUF: ok, type:9
write_buffer_to_file:661 [INFO]capture w2f: 1 2 p:0x3f3acd8000 0, 3110400
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 7
start select.
VIDIOC_DQBUF: ok, type:9
write_buffer_to_file:661 [INFO]capture w2f: 1 3 p:0x3f3a9e0000 0, 3110400
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 8
start select.
VIDIOC_DQBUF: ok, type:9
write_buffer_to_file:661 [INFO]capture w2f: 1 0 p:0x3f3b2c8000 0, 3110400
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 9
start select.
VIDIOC_DQBUF: ok, type:9
write_buffer_to_file:661 [INFO]capture w2f: 1 1 p:0x3f3afd0000 0, 3110400
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 10
start select.
VIDIOC_DQBUF: ok, type:9
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 11
start select.
VIDIOC_DQBUF: ok, type:9
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 12
start select.
VIDIOC_DQBUF: ok, type:9
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 13
start select.
VIDIOC_DQBUF: ok, type:9
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 14
start select.
VIDIOC_DQBUF: ok, type:9
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 15
start select.
VIDIOC_DQBUF: ok, type:9
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 16
start select.

handle_sig
VIDIOC_DQBUF: ok, type:9
VIDIOC_QBUF: ok, type:9
do_handle_cap:736 [INFO]m2m capture dequeue----------------: 17

start to VIDIOC_STREAMOFF
VIDIOC_STREAMOFF: ok, type:9
exit v4l2_main!
#

注意:分辨率最高仅能输出 1080p,且格式只能为 NV12。如果测试失败,请提供 /data/svivi_cam1.log/data/svivi_cam2.log 测试 log 文件,dmesg 内核打印文件,以及测试情况说明。

3.5.2.3. 适配 camera 到 OH 框架

  1. 参考标案 device/board/spacemit/musepaper2/camera/代码,移植代码到对应的方案目录 device/board/spacemit``/xxx/``camera/
  2. 需要确保 device/board/spacemit``/xxx/``camera/vdi_impl/v4l2/svivi_cam1.jsonsvivi_cam2.json 用的是前面步骤调试好的 json 文件
  3. 编译烧写固件,启动系统,打开相机,观察图像输出是否正常。如果测试失败,请提供 /data/svivi_cam1.log/data/svivi_cam2.log 测试 log 文件,dmesg 内核打印文件,hilog 测试 log 文件,以及测试情况说明

3.5.3. Usb camera 通路定制

Usb camera 通路支持通过修改 vendor/spacemit/xxx/hdf_config/uhdf/camera/hdi_impl/``camera_host_config.hcs 配置文件,实现以下各种应用场景的灵活定制 (最大支持2路)

  • 双 USB 摄像头切换预览场景
  • 双 MIPI 摄像头切换预览场景
  • 单 USB 摄像头 + 单 MIPI 摄像头预览场景
  • 单 USB 摄像头预览场景
  • 单 MIPI 摄像头预览场景

要实现以上定制化功能,需要在 camera_host_config.hcs 中定义四个 ability 节点,每个节点都代表一个相机。只有当节点的 cameraPosition 属性设置为 OHOS_CAMERA_POSITION_BACK / OHOS_CAMERA_POSITION_FRONT 状态时,camera``的``hap 才会打开对应的位置的相机使用,而对于设置为 OHOS_CAMERA_POSITION_OTHER 状态的节点将被忽略,不起效果。

camera_host_config.hcs 中,ability_01ability_02 分别对应第一个、第二个 mipi 摄像头;ability_03ability_04 分别对应第一个、第二个 usb 摄像头。目前,最多只能支持两个相机切换使用。

当拔掉 usb 相机后,要先退出相机应用再重新打开使用。并确保重新打开相机时候,使用到的 USB/MIPI 摄像头仍插着,否则将导致相机应用黑屏!

上述功能已经在 smt001 方案进行验证,在支持新方案时可以作为参考。下面将针对上面几种常用情况,分别举例进行说明:

3.5.3.1 双 USB 摄像头切换预览场景

在该配置中,lcam003 对应后摄,lcam004 对应前摄,也可以根据需求,调整前后摄位置,以及预览分辨(录像、拍照分辨率和预览分辨率大小一样)。

另外,在拔插 USB 相机后,需要重启相机应用才能正常预览。

root {
module="sample";
vdiLibList = [
"libcamera_host_vdi_impl_1.0.z.so"
];
camera_host_config {
match_attr = "camera_host_interface";
template ability {
logicCameraId = "lcam001";
physicsCameraIds = [
"CAMERA_FIRST"
];
metadata {
aeAvailableAntiBandingModes = [
"OHOS_CONTROL_AE_ANTIBANDING_MODE_OFF",
"OHOS_CONTROL_AE_ANTIBANDING_MODE_50HZ",
"OHOS_CONTROL_AE_ANTIBANDING_MODE_60HZ",
"OHOS_CONTROL_AE_ANTIBANDING_MODE_AUTO"
];
aeAvailableModes = ["OHOS_CONTROL_AE_MODE_ON"];
availableFpsRange = [15, 30];
aeCompensationRange = [0, 0];
aeCompensationSteps = [0, 1];
availableAwbModes = [
"OHOS_CONTROL_AWB_MODE_OFF"
];
sceneModesOverrides = [
"OHOS_CONTROL_AE_MODE_ON",
"OHOS_CONTROL_AWB_MODE_AUTO"
];
aeLockAvailable = "OHOS_CONTROL_AE_LOCK_AVAILABLE_FALSE";
awbLockAvailable = "OHOS_CONTROL_AWB_LOCK_AVAILABLE_FALSE";
sensitivityRange = [32, 2400];
exposureTimeRange = [100000, 200000000];
faceDetectMode = "OHOS_STATISTICS_FACE_DETECT_MODE_OFF";
maxFaceCount = 0;
flashAvailable = "OHOS_FLASH_INFO_AVAILABLE_FALSE";
lensFacing = "OHOS_LENS_FACING_FRONT";
opticalStabilizations = ["OHOS_LENS_OPTICAL_STABILIZATION_MODE_OFF"];
maxDigitalZoom = "1";
availableCharacteristicsKeys = [
...
];
availableRequestKeys = [
...
];
availableResultKeys = [
...
];
}
}
ability_01 :: ability {
...
}
ability_02 :: ability {
...
}
** **ability_03 :: ability {
logicCameraId = "lcam003";
physicsCameraIds = [
"CAMERA_THIRD"
];
metadata {
aeAvailableAntiBandingModes = [
"OHOS_CAMERA_AE_ANTIBANDING_MODE_OFF"
];
aeAvailableModes = ["OHOS_CAMERA_AE_MODE_OFF"];
availableFpsRange = [5, 10];
cameraPosition = "OHOS_CAMERA_POSITION_BACK";
cameraType = "OHOS_CAMERA_TYPE_WIDE_ANGLE";
cameraConnectionType ="CAMERA_CONNECTION_USB_PLUGIN";
cameraMemoryType ="OHOS_CAMERA_MEMORY_USERPTR";
faceDetectMaxNum = "10";
aeCompensationRange = [0, 0];
aeCompensationSteps = [0, 0];
availableAwbModes = [
"OHOS_CAMERA_AWB_MODE_OFF"
];
sensitivityRange = [32, 2400];
faceDetectMode = "OHOS_CAMERA_FACE_DETECT_MODE_OFF";
availableCharacteristicsKeys = [
...
];
availableRequestKeys = [
...
];
availableResultKeys = [
...
];
focalLength = "24.0";
focusAvailableModes = [
...
];
exposureAvailableModes = [
...
];
meterAvailableModes = [
...
];
flashAvailableModes = [
...
];
mirrorSupported = "OHOS_CAMERA_MIRROR_ON";
basicAvailableConfigurations = [
1, 640, 480,
1, 1080, 720,
1, 1280, 960,
1, 1920, 1080,
4, 640, 480,
4, 1080, 720,
4, 1280, 960,
4, 1920, 1080
];
sensorOrientationSupported = "270";
videoStabilizationAvailableModes = [
"OHOS_CAMERA_VIDEO_STABILIZATION_OFF"
];
flashAvailable = "OHOS_CAMERA_FLASH_FALSE";
afAvailable = [
"OHOS_CAMERA_AF_MODE_OFF"
];
zoomRatioRange = [
"1.0",
"1.0"
];
jpegOrientation= "270";
jpegQuality= "2";
}
}
ability_04 :: ability {
logicCameraId = "lcam004";
physicsCameraIds = [
"CAMERA_FOURTH"
];
metadata {
aeAvailableAntiBandingModes = [
"OHOS_CAMERA_AE_ANTIBANDING_MODE_OFF"
];
aeAvailableModes = ["OHOS_CAMERA_AE_MODE_OFF"];
availableFpsRange = [5, 10];
cameraPosition = "OHOS_CAMERA_POSITION_FRONT";
cameraType = "OHOS_CAMERA_TYPE_WIDE_ANGLE";
cameraConnectionType ="CAMERA_CONNECTION_USB_PLUGIN";
cameraMemoryType ="OHOS_CAMERA_MEMORY_USERPTR";
faceDetectMaxNum = "10";
aeCompensationRange = [0, 0];
aeCompensationSteps = [0, 0];
availableAwbModes = [
"OHOS_CAMERA_AWB_MODE_OFF"
];
sensitivityRange = [32, 2400];
faceDetectMode = "OHOS_CAMERA_FACE_DETECT_MODE_OFF";
availableCharacteristicsKeys = [
...
];
availableRequestKeys = [
...
];
availableResultKeys = [
...
];
focalLength = "24.0";
focusAvailableModes = [
...
];
exposureAvailableModes = [
...
];
meterAvailableModes = [
...
];
flashAvailableModes = [
...
];
mirrorSupported = "OHOS_CAMERA_MIRROR_ON";
basicAvailableConfigurations = [
1, 1280, 720,
1, 1080, 720,
1, 1280, 960,
1, 1920, 1080,
4, 640, 480,
4, 1080, 720,
4, 1280, 960,
4, 1920, 1080
];
sensorOrientationSupported = "270";
videoStabilizationAvailableModes = [
"OHOS_CAMERA_VIDEO_STABILIZATION_OFF"
];
flashAvailable = "OHOS_CAMERA_FLASH_FALSE";
afAvailable = [
"OHOS_CAMERA_AF_MODE_OFF"
];
zoomRatioRange = [
"1.0",
"1.0"
];
jpegOrientation= "270";
jpegQuality= "2";
}
}
}
}

3.5.3.2 双 MIPI 摄像头切换预览场景

在该配置中,lcam001 对应后摄,lcam002 对应前摄,也可以根据需求,调整前后摄位置,以及预览分辨(录像、拍照分辨率和预览分辨率大小一样)。

root {
......
ability_01 :: ability {
logicCameraId = "lcam001";
physicsCameraIds = [
"CAMERA_FIRST"
];
metadata {
aeAvailableAntiBandingModes = [
"OHOS_CAMERA_AE_ANTIBANDING_MODE_OFF"
];
aeAvailableModes = ["OHOS_CAMERA_AE_MODE_OFF"];
availableFpsRange = [5, 10];
cameraPosition = "OHOS_CAMERA_POSITION_BACK";
......
}
}
ability_02 :: ability {
logicCameraId = "lcam002";
physicsCameraIds = [
"CAMERA_SECOND"
];
metadata {
aeAvailableAntiBandingModes = [
"OHOS_CAMERA_AE_ANTIBANDING_MODE_OFF"
];
aeAvailableModes = ["OHOS_CAMERA_AE_MODE_OFF"];
availableFpsRange = [5, 10];
cameraPosition = "OHOS_CAMERA_POSITION_FRONT";
......
}
}
ability_03 :: ability {
......
}
ability_04 :: ability {
......
}
}
}

3.5.3.3 单 USB 摄像头 + 单 MIPI 摄像头预览场景

在该配置中,lcam001 对应 MIPI 后摄,lcam003 对应 USB 前摄,也可以根据需求,调整前后摄位置,以及预览分辨(录像、拍照分辨率和预览分辨率大小一样)。

root {
......
ability_01 :: ability {
logicCameraId = "lcam001";
physicsCameraIds = [
"CAMERA_FIRST"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_BACK";
......
}
}
ability_02 :: ability {
logicCameraId = "lcam002";
physicsCameraIds = [
"CAMERA_SECOND"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_OTHER";
......
}
}
ability_03 :: ability {
logicCameraId = "lcam003";
physicsCameraIds = [
"CAMERA_THIRD"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_FRONT";
......
}
}
ability_04 :: ability {
logicCameraId = "lcam004";
physicsCameraIds = [
"CAMERA_FOURTH"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_OTHER";
......
}
}
}
}

3.5.3.4 单 USB 摄像头预览场景

在该配置中,lcam003 对应 USB 后摄,也可以根据需求,调整预览分辨大小(录像、拍照分辨率和预览分辨率大小一样),或者前后摄配置。

root {
......
ability_01 :: ability {
logicCameraId = "lcam001";
physicsCameraIds = [
"CAMERA_FIRST"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_OTHER";
......
}
}
ability_02 :: ability {
logicCameraId = "lcam002";
physicsCameraIds = [
"CAMERA_SECOND"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_OTHER";
......
}
}
ability_03 :: ability {
logicCameraId = "lcam003";
physicsCameraIds = [
"CAMERA_THIRD"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_BACK";
......
}
}
ability_04 :: ability {
logicCameraId = "lcam004";
physicsCameraIds = [
"CAMERA_FOURTH"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_OTHER";
......
}
}
}
}

3.5.3.5 单 MIPI 摄像头预览场景

在该配置中,lcam001 对应 MIPI 后摄,也可以根据需求,调整预览分辨大小(录像、拍照分辨率和预览分辨率大小一样)。但需注意,当只有一个摄像头时,不能定义 OHOS_CAMERA_POSITION_FRONT 状态。

root {
......
ability_01 :: ability {
logicCameraId = "lcam001";
physicsCameraIds = [
"CAMERA_FIRST"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_BACK";
......
}
}
ability_02 :: ability {
logicCameraId = "lcam002";
physicsCameraIds = [
"CAMERA_SECOND"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_OTHER";
......
}
}
ability_03 :: ability {
logicCameraId = "lcam003";
physicsCameraIds = [
"CAMERA_THIRD"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_OTHER";
......
}
}
ability_04 :: ability {
logicCameraId = "lcam004";
physicsCameraIds = [
"CAMERA_FOURTH"
];
metadata {
......
cameraPosition = "OHOS_CAMERA_POSITION_OTHER";
......
}
}
}
}

3.5.4 硬件编解码通路定制

待添加

3.6. 支持存储外设

支持存储外设的方法基本都是在 foundation/filemanagement/storage_service/services/storage_daemon/disk_config 中配置存储路径

3.6.1. 支持 U 盘

foundation/filemanagement/storage_service/services/storage_daemon/services/storage_daemon/disk_config 中,添加配置如下:

sysPattern /devices/platform/soc/c0900100.udc/* label disk flag 0
sysPattern /devices/platform/soc/c0980100.ehci1/* label disk flag 0
sysPattern /devices/platform/soc/d4282bc8.usb3/c0a00000.dwc3/* label disk flag 0

正常情况下,插入 U 盘,内核会有识别和挂载的相关打印,如下:

  900.645659] usb 1-1.2: new high-speed USB device number 6 using mv-ehci
[ 900.777124] usb-storage 1-1.2:1.0: USB Mass Storage device detected
[ 900.784363] scsi host0: usb-storage 1-1.2:1.0
[ 900.789390] [I/USB_PNP_NOTIFY] UsbPnpNotifyCallback: action=0x1\x0d
[ 900.795540] [I/USB_PNP_NOTIFY] UsbPnpNotifyAddInitInfo:207 i=0, interfaceInfo=0x8-0x6-0x50-0x0\x0d
[ 900.804612] [I/USB_PNP_NOTIFY] UsbPnpNotifyReportThread: UsbPnpNotifyReportThread start!\x0d
[ 900.813047] [I/USB_PNP_NOTIFY] UsbPnpNotifyHdfSendEvent:373 device information, 3 usbDevAddr=18446743907588270080, devNum=6, busNum=1, infoTable=1-0x2ba3-0x1220!\x0d
[ 901.803764] scsi 0:0:0:0: Direct-Access Generic- SD/MMC 1.00 PQ: 0 ANSI: 6
[ 902.301131] sd 0:0:0:0: [sda] 61962240 512-byte logical blocks: (31.7 GB/29.5 GiB)
[ 902.311249] sd 0:0:0:0: [sda] Write Protect is off
[ 902.316369] sd 0:0:0:0: [sda] Mode Sense: 23 00 00 00
[ 902.323998] sd 0:0:0:0: [sda] Write cache: disabled, read cache: disabled, doesn't support DPO or FUA
[ 902.343818] sd 0:0:0:0: [sda] Attached SCSI removable disk
[ 902.344243] StorageDaemon: [IsMatch:38] config sysPattern /devices/platform/soc/d4280000.sdh/mmc_host/mmc0/*, device sysPattern /devices/platform/soc/c0980100.ehci1/usb1/1-1/1-1.2/1-1.2:1.0/host0/target0:0:0/0:0:0:0/block/sda
[ 902.345181] [pid=172][ueventd][INFO][ueventd_device_handler.c:85]symlink /dev/block/sda->/dev/block/platform/soc/c0980100.ehci1/sda
[ 902.370378] StorageDaemon: [IsMatch:38] config sysPattern /devices/platform/soc/c0900100.udc/*, device sysPattern /devices/platform/soc/c0980100.ehci1/usb1/1-1/1-1.2/1-1.2:1.0/host0/target0:0:0/0:0:0:0/block/sda
[ 902.401442] StorageDaemon: [IsMatch:38] config sysPattern /devices/platform/soc/d4282bc8.usb3/c0a00000.dwc3/*, device sysPattern /devices/platform/soc/c0980100.ehci1/usb1/1-1/1-1.2/1-1.2:1.0/host0/target0:0:0/0:0:0:0/block/sda
[ 902.421825] StorageDaemon: [IsMatch:38] config sysPattern /devices/platform/soc/c0980100.ehci1/*, device sysPattern /devices/platform/soc/c0980100.ehci1/usb1/1-1/1-1.2/1-1.2:1.0/host0/target0:0:0/0:0:0:0/block/sda
[ 902.442433] StorageDaemon: [ReadMetadata:178] Read metadata /sys/devices/platform/soc/c0980100.ehci1/usb1/1-1/1-1.2/1-1.2:1.0/host0/target0:0:0/0:0:0:0/block/sda/device/vendor
[ 902.490636] StorageDaemon: [CreateUnknownTabVol:239] disk-8-0 has unknown table
[ 902.583652] StorageDaemon: [ReadMetadata:93] ReadMetadata, fsUuid=6******9, fsType=ntfs, fsLabel=.
[ 902.592817] StorageDaemon: [CreateVolume:320] disk read volume metadata
[ 902.599618] StorageDaemon: [CreateVolume:55] create volume vol-8-0.
[ 902.607288] StorageDaemon: [Check:116] Handle Check
[ 902.695922] StorageDaemon: [ReadMetadata:93] ReadMetadata, fsUuid=6******9, fsType=ntfs, fsLabel=.
[ 902.752558] StorageDaemon: [Mount:84] Handle Mount
[ 902.841254] StorageDaemon: [ReadMetadata:93] ReadMetadata, fsUuid=6******9, fsType=ntfs, fsLabel=.
[ 902.888210] StorageDaemon: [DoMount:176] Ready to mount: external volume fstype is ntfs, mountflag is 0

执行 mount 命令,会看到 U 盘已经挂载,如下:

...
/dev/block/vol-8-0 on /mnt/data/external/662A30B72A308659 type fuseblk (rw,relatime,user_id=0,group_id=0,default_permissions,allow_other,blksize=4096)
...

3.6.2. 支持 tf 卡

foundation/filemanagement/storage_service/services/storage_daemon/services/storage_daemon/disk_config 中,添加配置如下:

sysPattern /devices/platform/soc/d4280000.sdh/mmc_host/mmc0/* label disk flag 0

3.6.3. 支持 ssd 硬盘

foundation/filemanagement/storage_service/services/storage_daemon/services/storage_daemon/disk_config 中,添加配置如下:

sysPattern /devices/platform/soc/ca800000.pcie/* label disk flag 0
sysPattern /devices/platform/soc/ca400000.pcie/* label disk flag 0

3.7. 恢复出厂模式定制

待添加

4. 内核定制

4.1. 修改内核 defconfig 配置

内核 defconfig 的位置在:

kernel/linux/spacemit_kernel-6.6/arch/riscv/configs/k1_defconfig

修改后,单独编译内核然后打包即可,如下:

./build.sh --product-name xxx --ccache --prebuilt-sdk -T build_kernel
./build/gen_zip.sh xxx

4.2. 修改内核 dts 配置

内核的 dts 配置的位置在:

kernel/linux/spacemit_kernel-6.6/arch/riscv/boot/dts/spacemit

如下所示:

|-- k1-x-camera-reserved-mm.dtsi
|-- k1-x-camera-sdk.dtsi
|-- k1-x-camera-sensor.dtsi
|-- k1-x_deb1.dts
|-- k1-x_deb2.dts
|-- k1-x.dtsi
|-- k1-x-efuse.dtsi
|-- k1-x_evb.dts
|-- k1-x-hdmi.dtsi
|-- k1-x_hs450.dts
|-- k1-x_kx312.dts
|-- k1-x-lcd.dtsi
|-- k1-x_lpi3a.dts
|-- k1-x_milkv-jupiter.dts
|-- k1-x_mingo.dts
|-- k1-x_MINI-PC.dts
|-- k1-x_MUSE-Book.dts
|-- k1-x_MUSE-Card.dts
|-- k1-x_MUSE-N1.dts
|-- k1-x_MUSE-Paper2.dts
|-- k1-x_MUSE-Paper.dts
|-- k1-x_MUSE-Paper-mini-4g.dts
|-- k1-x_MUSE-Pi.dts
|-- k1-x_opp_table.dtsi
|-- k1-x_pinctrl.dtsi
|-- k1-x_SMT001.dts
|-- k1-x_thermal_cooling.dtsi
|-- k1-x_ZT001H.dts
|-- lcd
| |-- lcd_ft8201sinx101_mipi.dtsi
| |-- lcd_gc9503v_mipi.dtsi
| |-- lcd_gx09inx101_mipi.dtsi
| |-- lcd_icnl9911c_mipi.dtsi
| |-- lcd_icnl9951r_mipi.dtsi
| |-- lcd_jd9365dah3_mipi.dtsi
| |-- lcd_jd9365da_mipi_1280x800.dtsi
| |-- lcd_lt8911_edp_1920x1080.dtsi
| |-- lcd_lt8911_edp_1920x1200.dtsi
| |-- lcd_lt9711_dp_1920x1080.dtsi
| `-- lcd_orisetech_ota7290b_mipi.dtsi
|-- m1-x_milkv-jupiter.dts
`-- Makefile

修改对应方案的 dts 配置后,单独编译内核然后打包即可,如下:

./build.sh --product-name xxx --ccache --prebuilt-sdk -T build_kernel
./build/gen_zip.sh xxx

4.3. 添加需要加载的 ko

如果需要将内核编译出来的 ko 文件在系统开机的时候加载,需要修改 OpenHarmony 上层的配置,主要分为 2 步:

4.3.1. 拷贝 ko

device/board/spacemit/xxx/kernelbuild_kernel.sh 中进行拷贝,如下:

function cp_ko(){
# cp ko to userspace
cp ${KERNEL_BUILD_ROOT}/drivers/usb/typec/typec.ko ${OHOS_SOURCE_ROOT}/device/board/${DEVICE_BOARD}/${DEVICE_NAME}/kernel/ko
cp ${KERNEL_BUILD_ROOT}/drivers/usb/typec/husb239.ko ${OHOS_SOURCE_ROOT}/device/board/${DEVICE_BOARD}/${DEVICE_NAME}/kernel/ko
cp ${KERNEL_BUILD_ROOT}/drivers/net/wireless/realtek/rtl8852be/8852be.ko ${OHOS_SOURCE_ROOT}/device/board/${DEVICE_BOARD}/${DEVICE_NAME}/kernel/ko
cp ${KERNEL_BUILD_ROOT}/drivers/net/wireless/realtek/rtl8852bs/8852bs.ko ${OHOS_SOURCE_ROOT}/device/board/${DEVICE_BOARD}/${DEVICE_NAME}/kernel/ko
}

在编译完内核后,将内核编译目录下的 ko 拷贝到 OpenHarmony 系统的目录下。

4.3.2. 加载 ko

device/board/spacemit/xxx/cfginit.xxx.cfg 中进行 ko 的加载,如下:

{
"name" : "fs",
"cmds" : [
"insmod /vendor/modules/8852bs.ko ifname=wlan0 if2name=p2p0",
"insmod /vendor/modules/typec.ko",
"insmod /vendor/modules/husb239.ko"
]
},

开机后,会在 init 进程中,加载这些 ko。

4.4. 给内核打补丁

先将对内核的修改生成补丁,然后将生成的补丁放置于 OpenHarmony 的配置目录下。

对于所有平台通用的补丁,放置在:

device/board/spacemit/kernel_patches/linux-6.6

对于特定平台使用的补丁,放置在:

device/board/spacemit/xxx/kernel/kernel_patch

device/board/spacemit/xxx/kernel 目录中的 build_kernel.sh 里面,打上相关 patch,如下:

patch -p1 <${OHOS_SOURCE_ROOT}/device/board/spacemit/kernel_patches/linux-6.6/0001-bounds_checking_function-include.patch
patch -p1 <${OHOS_SOURCE_ROOT}/device/board/spacemit/kernel_patches/linux-6.6/0002-fix-hmdfs-permission.patch
patch -p1 <${OHOS_SOURCE_ROOT}/device/board/${DEVICE_BOARD}/${DEVICE_NAME}/kernel/kernel_patch/0001-kernel-audio.patch

5. FAQ