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 |
001 | 2025-01-13 | 初始版本 |
002 | 2025-04-18 | 添加“camera通路定制”章节 |
1. UI 定制
1.1. 更换 boot logo
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/kernel
的 build_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
1.2. 更换 kernel logo
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/kernel
的 build_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/data
的 bootpic.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/data
的 bootsound.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/data
的 bootvideo.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
的 "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.hap
和Launcher_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
- 在
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",
- 在
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%')
}
}