# OpenHarmony Device Development Documentation - [Device Development Guide](device-dev-guide.md) - Getting Started - Getting Started with Mini and Small Systems (IDE Mode, Recommended) - [Mini and Small System Overview](quick-start/quickstart-ide-lite-overview.md) - Environment Preparation - [Setting Up the Windows+Ubuntu Hybrid Build Environment](quick-start/quickstart-ide-lite-env-setup-win-ubuntu.md) - [Obtaining Source Code](quick-start/quickstart-ide-lite-sourcecode-acquire.md) - [Creating a Source Code Project](quick-start/quickstart-ide-lite-create-project.md) - Running a Hello World Program - Hi3861 Development Board - [Writing a Hello World Program](quick-start/quickstart-ide-lite-steps-hi3861-application-framework.md) - [Building](quick-start/quickstart-ide-lite-steps-hi3861-building.md) - [Burning](quick-start/quickstart-ide-lite-steps-hi3861-burn.md) - [Networking](quick-start/quickstart-ide-lite-steps-hi3861-netconfig.md) - [Debugging and Verification](quick-start/quickstart-ide-lite-steps-hi3861-debug.md) - [Running](quick-start/quickstart-ide-lite-steps-hi3861-running.md) - Hi3516 Development Board - [Writing a Hello World Program](quick-start/quickstart-ide-lite-steps-hi3516-application-framework.md) - [Building](quick-start/quickstart-ide-lite-steps-hi3516-building.md) - [Burning](quick-start/quickstart-ide-lite-steps-hi3516-burn.md) - [Running](quick-start/quickstart-ide-lite-steps-hi3516-running.md) - Appendix - [Introduction to the Hi3861 Development Board](quick-start/quickstart-ide-lite-introduction-hi3861.md) - [Introduction to the Hi3516 Development Board](quick-start/quickstart-ide-lite-introduction-hi3516.md) - Getting Started with Mini and Small Systems (Installation Package Mode) - [Mini and Small System Overview](quick-start/quickstart-lite-overview.md) - [Environment Preparation](quick-start/quickstart-lite-env-setup.md) - Running a Hello World Program - Hi3861 Development Board - [Setting Up the Hi3861 Development Board Environment](quick-start/quickstart-lite-steps-hi3861-setting.md) - [Writing a Hello World Program](quick-start/quickstart-lite-steps-hi3861-application-framework.md) - [Building](quick-start/quickstart-lite-steps-hi3861-building.md) - [Burning](quick-start/quickstart-lite-steps-hi3861-burn.md) - [Networking](quick-start/quickstart-lite-steps-hi3861-netconfig.md) - [Debugging and Verification](quick-start/quickstart-lite-steps-hi3861-debug.md) - [Running](quick-start/quickstart-lite-steps-hi3816-running.md) - Hi3516 Development Board - [Setting Up the Hi3516 Development Board Environment](quick-start/quickstart-lite-steps-hi3516-setting.md) - [Writing a Hello World Program](quick-start/quickstart-lite-steps-hi3516-application-framework.md) - [Building](quick-start/quickstart-lite-steps-hi3516-building.md) - [Burning](quick-start/quickstart-lite-steps-hi3516-burn.md) - [Running](quick-start/quickstart-lite-steps-hi3516-running.md) - FAQs - [Fixing hb Installation Issues](quick-start/quickstart-lite-faq-hb.md) - [Fixing Compilation Issues](quick-start/quickstart-lite-faq-compose.md) - [Fixing Burning Issues](quick-start/quickstart-lite-faq-burning.md) - Appendix - Introduction to Development Boards - [Introduction to the Hi3861 Development Board](quick-start/quickstart-lite-introduction-hi3861.md) - [Introduction to the Hi3516 Development Board](quick-start/quickstart-lite-introduction-hi3516.md) - [Reference](quick-start/quickstart-lite-reference.md) - Getting Started with Standard System (IDE Mode, Recommended) - [Standard System Overview](quick-start/quickstart-ide-standard-overview.md) - Environment Preparation - [Setting Up the Windows+Ubuntu Hybrid Build Environment](quick-start/quickstart-ide-standard-env-setup-win-ubuntu.md) - [Obtaining Source Code](quick-start/quickstart-ide-standard-sourcecode-acquire.md) - [Creating a Source Code Project](quick-start/quickstart-ide-standard-create-project.md) - Running a Hello World Program - Hi3516 Development Board - [Writing a Hello World Program](quick-start/quickstart-ide-standard-running-hi3516-create.md) - [Building](quick-start/quickstart-ide-standard-running-hi3516-build.md) - [Burning](quick-start/quickstart-ide-standard-running-hi3516-burning.md) - [Running](quick-start/quickstart-ide-standard-running-hi3516-running.md) - RK3568 Development Board - [Writing a Hello World Program](quick-start/quickstart-ide-standard-running-rk3568-create.md) - [Building](quick-start/quickstart-ide-standard-running-rk3568-build.md) - [Burning](quick-start/quickstart-ide-standard-running-rk3568-burning.md) - [Running](quick-start/quickstart-ide-standard-running-rk3568-running.md) - Appendix - [Introduction to the Hi3516 Development Board](quick-start/quickstart-ide-standard-board-introduction-hi3516.md) - [Introduction to the RK3568 Development Board](quick-start/quickstart-ide-standard-board-introduction-rk3568.md) - Getting Started with Standard System (Installation Package Mode) - [Standard System Overview](quick-start/quickstart-standard-overview.md) - [Setting Up Environments for Standard System](quick-start/quickstart-standard-env-setup.md) - Running a Hello World Program - Hi3516 Development Board - [Writing a Hello World Program](quick-start/quickstart-standard-running-hi3516-create.md) - [Building](quick-start/quickstart-standard-running-hi3516-build.md) - [Burning](quick-start/quickstart-standard-running-hi3516-burning.md) - [Running](quick-start/quickstart-standard-running-hi3516-running.md) - RK3568 Development Board - [Writing a Hello World Program](quick-start/quickstart-standard-running-rk3568-create.md) - [Building](quick-start/quickstart-standard-running-rk3568-build.md) - [Burning](quick-start/quickstart-standard-running-rk3568-burning.md) - [Running](quick-start/quickstart-standard-running-rk3568-running.md) - FAQs - [Fixing hb Installation Issues](quick-start/quickstart-standard-faq-hb.md) - [Fixing Compilation Issues](quick-start/quickstart-standard-faq-compose.md) - [Fixing Burning Issues](quick-start/quickstart-standard-faq-burning.md) - Appendix - Introduction to Development Boards - [Introduction to the Hi3516 Development Board](quick-start/quickstart-standard-board-introduction-hi3516.md) - [Introduction to the RK3568 Development Board](quick-start/quickstart-standard-board-introduction-rk3568.md) - [Reference](quick-start/quickstart-standard-reference.md) - [Obtaining Source Code](get-code/sourcecode-acquire.md) - Compatibility and Security - [Privacy Protection](security/security-privacy-protection.md) - [Security Guidelines](security/security-guidelines-overall.md) - Porting - Mini System SoC Porting Guide - Porting Preparations - [Before You Start](porting/porting-chip-prepare-knows.md) - [Building Adaptation Process](porting/porting-chip-prepare-process.md) - Kernel Porting - [Overview](porting/porting-chip-kernel-overview.md) - [Basic Kernel Adaptation](porting/porting-chip-kernel-adjustment.md) - [Kernel Porting Verification](porting/porting-chip-kernel-verify.md) - Board-Level OS Porting - [Overview](porting/porting-chip-board-overview.md) - [Board-Level Driver Adaptation](porting/porting-chip-board-driver.md) - [Implementation of APIs at the HAL](porting/porting-chip-board-hal.md) - [System Modules](porting/porting-chip-board-component.md) - [lwIP Module Adaptation](porting/porting-chip-board-lwip.md) - [Third-party Module Adaptation](porting/porting-chip-board-bundle.md) - [XTS](porting/porting-chip-board-xts.md) - [FAQs](porting/porting-chip-faqs.md) - Small System SoC Porting Guide - Porting Preparations - [Before You Start](porting/porting-smallchip-prepare-needs.md) - [Compilation and Building](porting/porting-smallchip-prepare-building.md) - Kernel Porting - [LiteOS Cortex-A](porting/porting-smallchip-kernel-a.md) - [Linux Kernel](porting/porting-smallchip-kernel-linux.md) - Driver Porting - [Overview](porting/porting-smallchip-driver-overview.md) - [Platform Driver Porting](porting/porting-smallchip-driver-plat.md) - [Device Driver Porting](porting/porting-smallchip-driver-oom.md) - Standard System SoC Porting Guide - [Standard System Porting Guide](porting/standard-system-porting-guide.md) - [A Method for Rapidly Porting the OpenHarmony Linux Kernel](porting/porting-linux-kernel.md) - Third-Party Library Porting Guide for Mini and Small Systems - [Overview](porting/porting-thirdparty-overview.md) - [Porting a Library Built Using CMake](porting/porting-thirdparty-cmake.md) - [Porting a Library Built Using Makefile](porting/porting-thirdparty-makefile.md) - Mini System SoC Porting Cases - [Mini-System Devices with Screens — Bestechnic SoC Porting Case](porting/porting-bes2600w-on-minisystem-display-demo.md) - [Combo Solution – ASR Chip Porting Case](porting/porting-asr582x-combo-demo.md) - Subsystem Development - Kernel - Kernel for Mini Systems - [Kernel Overview](kernel/kernel-mini-overview.md) - Basic Kernel - [Interrupt Management](kernel/kernel-mini-basic-interrupt.md) - [Task Management](kernel/kernel-mini-basic-task.md) - Memory Management - [Basic Concepts](kernel/kernel-mini-basic-memory-basic.md) - [Static Memory](kernel/kernel-mini-basic-memory-static.md) - [Dynamic Memory](kernel/kernel-mini-basic-memory-dynamic.md) - Kernel Communication Mechanisms - [Event](kernel/kernel-mini-basic-ipc-event.md) - [Mutex](kernel/kernel-mini-basic-ipc-mutex.md) - [Queue](kernel/kernel-mini-basic-ipc-queue.md) - [Semaphore](kernel/kernel-mini-basic-ipc-sem.md) - [Time Management](kernel/kernel-basic-mini-time.md) - [Software Timer](kernel/kernel-mini-basic-soft.md) - Extended Components - [C++ Support](kernel/kernel-mini-extend-support.md) - [CPUP](kernel/kernel-mini-extend-cpup.md) - [Dynamic Loading](kernel/kernel-mini-extend-dynamic-loading.md) - File System - [FAT](kernel/kernel-mini-extend-file-fat.md) - [LittleFS](kernel/kernel-mini-extend-file-lit.md) - Kernel Debugging - Memory Debugging - [Memory Information Statistics](kernel/kernel-mini-memory-debug-mes.md) - [Memory Leak Check](kernel/kernel-mini-imemory-debug-det.md) - [Memory Corruption Check](kernel/kernel-mini-memory-debug-cet.md) - [Exception Debugging](kernel/kernel-mini-memory-exception.md) - [Trace](kernel/kernel-mini-memory-trace.md) - [LMS](kernel/kernel-mini-memory-lms.md) - Appendix - [Kernel Coding Specification](kernel/kernel-mini-appx-code.md) - [Doubly Linked List](kernel/kernel-mini-appx-data-list.md) - Standard Libraries - [CMSIS Support](kernel/kernel-mini-appx-lib-cmsis.md) - [POSIX Support](kernel/kernel-mini-appx-lib-posix.md) - Kernel for Small Systems - [Kernel Overview](kernel/kernel-small-overview.md) - Kernel Startup - [Startup in Kernel Space](kernel/kernel-small-start-kernel.md) - [Startup in User Space](kernel/kernel-small-start-user.md) - Basic Kernel - [Interrupt and Exception Handling](kernel/kernel-small-basic-interrupt.md) - Process Management - [Process](kernel/kernel-small-basic-process-process.md) - [Task](kernel/kernel-small-basic-process-thread.md) - [Scheduler](kernel/kernel-small-basic-process-scheduler.md) - Memory Management - [Heap Memory Management](kernel/kernel-small-basic-memory-heap.md) - [Physical Memory Management](kernel/kernel-small-basic-memory-physical.md) - [Virtual Memory Management](kernel/kernel-small-basic-memory-virtual.md) - [Virtual-to-Physical Mapping](kernel/kernel-small-basic-inner-reflect.md) - Kernel Communication Mechanisms - [Event](kernel/kernel-small-basic-trans-event.md) - [Semaphore](kernel/kernel-small-basic-trans-semaphore.md) - [Mutex](kernel/kernel-small-basic-trans-mutex.md) - [Queue](kernel/kernel-small-basic-trans-queue.md) - [RW Lock](kernel/kernel-small-basic-trans-rwlock.md) - [Futex](kernel/kernel-small-basic-trans-user-mutex.md) - [Signal](kernel/kernel-small-basic-trans-user-signal.md) - [Time Management](kernel/kernel-small-basic-time.md) - [Software Timer](kernel/kernel-small-basic-softtimer.md) - [Atomic Operation](kernel/kernel-small-basic-atomic.md) - Extension Components - [System Call](kernel/kernel-small-bundles-system.md) - [Dynamic Loading and Linking](kernel/kernel-small-bundles-linking.md) - [Virtual Dynamic Shared Object](kernel/kernel-small-bundles-share.md) - [LiteIPC](kernel/kernel-small-bundles-ipc.md) - File Systems - [Virtual File System](kernel/kernel-small-bundles-fs-virtual.md) - Supported File Systems - [FAT](kernel/kernel-small-bundles-fs-support-fat.md) - [JFFS2](kernel/kernel-small-bundles-fs-support-jffs2.md) - [NFS](kernel/kernel-small-bundles-fs-support-nfs.md) - [Ramfs](kernel/kernel-small-bundles-fs-support-ramfs.md) - [procfs](kernel/kernel-small-bundles-fs-support-procfs.md) - [File System Adaptation](kernel/kernel-small-bundles-fs-new.md) - Debugging and Tools - Shell - [Introduction to the Shell](kernel/kernel-small-debug-shell-overview.md) - [Shell Command Development Guidelines](kernel/kernel-small-debug-shell-guide.md) - [Shell Command Programming Example](kernel/kernel-small-debug-shell-build.md) - Shell Command Reference - System Commands - [cpup](kernel/kernel-small-debug-shell-cmd-cpup.md) - [date](kernel/kernel-small-debug-shell-cmd-date.md) - [dmesg](kernel/kernel-small-debug-shell-cmd-dmesg.md) - [exec](kernel/kernel-small-debug-shell-cmd-exec.md) - [free](kernel/kernel-small-debug-shell-cmd-free.md) - [help](kernel/kernel-small-debug-shell-cmd-help.md) - [hwi](kernel/kernel-small-debug-shell-cmd-hwi.md) - [kill](kernel/kernel-small-debug-shell-cmd-kill.md) - [log](kernel/kernel-small-debug-shell-cmd-log.md) - [memcheck](kernel/kernel-small-debug-shell-cmd-memcheck.md) - [oom](kernel/kernel-small-debug-shell-cmd-oom.md) - [pmm](kernel/kernel-small-debug-shell-cmd-pmm.md) - [reset](kernel/kernel-small-debug-shell-cmd-reset.md) - [sem](kernel/kernel-small-debug-shell-cmd-sem.md) - [stack](kernel/kernel-small-debug-shell-cmd-stack.md) - [su](kernel/kernel-small-debug-shell-cmd-su.md) - [swtmr](kernel/kernel-small-debug-shell-cmd-swtmr.md) - [systeminfo](kernel/kernel-small-debug-shell-cmd-sysinfo.md) - [task](kernel/kernel-small-debug-shell-cmd-task.md) - [uname](kernel/kernel-small-debug-shell-cmd-uname.md) - [vmm](kernel/kernel-small-debug-shell-cmd-vmm.md) - [watch](kernel/kernel-small-debug-shell-cmd-watch.md) - [reboot](kernel/kernel-small-debug-shell-cmd-reboot.md) - [top](kernel/kernel-small-debug-shell-cmd-top.md) - File Commands - [cat](kernel/kernel-small-debug-shell-file-cat.md) - [cd](kernel/kernel-small-debug-shell-file-cd.md) - [chgrp](kernel/kernel-small-debug-shell-file-chgrp.md) - [chmod](kernel/kernel-small-debug-shell-file-chmod.md) - [chown](kernel/kernel-small-debug-shell-file-chown.md) - [cp](kernel/kernel-small-debug-shell-file-cp.md) - [format](kernel/kernel-small-debug-shell-file-format.md) - [ls](kernel/kernel-small-debug-shell-file-ls.md) - [lsfd](kernel/kernel-small-debug-shell-file-lsfd.md) - [mkdir](kernel/kernel-small-debug-shell-file-mkdir.md) - [mount](kernel/kernel-small-debug-shell-file-mount.md) - [partinfo](kernel/kernel-small-debug-shell-file-partinfo.md) - [partition](kernel/kernel-small-debug-shell-file-partition.md) - [pwd](kernel/kernel-small-debug-shell-file-pwd.md) - [rm](kernel/kernel-small-debug-shell-file-rm.md) - [rmdir](kernel/kernel-small-debug-shell-file-rmdir.md) - [statfs](kernel/kernel-small-debug-shell-file-statfs.md) - [sync](kernel/kernel-small-debug-shell-file-sync.md) - [touch](kernel/kernel-small-debug-shell-file-touch.md) - [writeproc](kernel/kernel-small-debug-shell-file-write.md) - [umount](kernel/kernel-small-debug-shell-file-umount.md) - [du](kernel/kernel-small-debug-shell-file-du.md) - [mv](kernel/kernel-small-debug-shell-file-mv.md) - Network Commands - [arp](kernel/kernel-small-debug-shell-net-arp.md) - [dhclient](kernel/kernel-small-debug-shell-net-dhclient.md) - [ifconfig](kernel/kernel-small-debug-shell-net-ifconfig.md) - [ipdebug](kernel/kernel-small-debug-shell-net-ipdebug.md) - [netstat](kernel/kernel-small-debug-shell-net-netstat.md) - [ntpdate](kernel/kernel-small-debug-shell-net-ntpdate.md) - [ping](kernel/kernel-small-debug-shell-net-ping.md) - [ping6](kernel/kernel-small-debug-shell-net-ping6.md) - [telnet](kernel/kernel-small-debug-shell-net-telnet.md) - [tftp](kernel/kernel-small-debug-shell-net-tftp.md) - [Magic Key](kernel/kernel-small-debug-shell-magickey.md) - [User-Space Exception Information](kernel/kernel-small-debug-shell-error.md) - [Trace](kernel/kernel-small-debug-trace.md) - [perf](kernel/kernel-mini-memory-perf.md) - [LMS](kernel/kernel-small-memory-lms.md) - [CPUP](kernel/kernel-small-debug-process-cpu.md) - Memory Debugging - [Memory Information Statistics](kernel/kernel-small-debug-memory-info.md) - [Memory Leak Check](kernel/kernel-small-debug-memory-leak.md) - [Memory Corruption Check](kernel/kernel-small-debug-memory-corrupt.md) - User-Mode Memory Debugging - [Basic Concepts](kernel/kernel-small-debug-user-concept.md) - [Working Principles](kernel/kernel-small-debug-user-function.md) - Usage - [API Description](kernel/kernel-small-debug-user-guide-api.md) - How to Use - [Calling APIs](kernel/kernel-small-debug-user-guide-use-api.md) - [Using the CLI](kernel/kernel-small-debug-user-guide-use-cli.md) - [Typical Memory Problems](kernel/kernel-small-debug-user-faqs.md) - Other Kernel Debugging Methods - [Dying Gasp](kernel/kernel-small-debug-trace-other-lastwords.md) - [Common Fault Locating Methods](kernel/kernel-small-debug-trace-other-faqs.md) - Appendix - Basic Data Structure - [Doubly Linked List](kernel/kernel-small-apx-dll.md) - [Bitwise Operation](kernel/kernel-small-apx-bitwise.md) - [Standard Library](kernel/kernel-small-apx-library.md) - Kernel for Standard Systems - [Linux Kernel Overview](kernel/kernel-standard-overview.md) - [Applying Patches on OpenHarmony Development Boards](kernel/kernel-standard-patch.md) - [Guidelines for Building the Linux Kernel](kernel/kernel-standard-build.md) - Enhanced Kernel Features - [Enhanced SWAP](kernel/kernel-standard-mm-eswap.md) - Task Scheduling - [Related Thread Group](kernel/kernel-standard-sched-rtg.md) - [Lightweight CPU Isolation](kernel/kernel-standard-sched-cpuisolation.md) - Driver - HDF - [HDF Overview](driver/driver-hdf-overview.md) - [Driver Development](driver/driver-hdf-development.md) - [Driver Service Management](driver/driver-hdf-servicemanage.md) - [Driver Message Mechanism Management](driver/driver-hdf-message-management.md) - [Driver Configuration Management](driver/driver-hdf-manage.md) - [HDF Development Example](driver/driver-hdf-sample.md) - Platform Driver Development - [ADC](driver-platform-adc-develop.md) - [DAC](driver-platform-dac-develop.md) - [GPIO](driver-platform-gpio-develop.md) - [HDMI](driver-platform-hdmi-develop.md) - [I2C](driver-platform-i2c-develop.md) - [I3C](driver-platform-i3c-develop.md) - [MIPI CSI](driver-platform-mipicsi-develop.md) - [MIPI DSI](driver-platform-mipidsi-develop.md) - [MMC](driver-platform-mmc-develop.md) - [PIN](driver-platform-pin-develop.md) - [PWM](driver-platform-pwm-develop.md) - [Regulator](driver-platform-regulator-develop.md) - [RTC](driver-platform-rtc-develop.md) - [SDIO](driver-platform-sdio-develop.md) - [SPI](driver-platform-spi-develop.md) - [UART](driver-platform-uart-develop.md) - [WatchDog](driver-platform-watchdog-develop.md) - Platform Driver Usage - [ADC](driver-platform-adc-des.md) - [DAC](driver-platform-dac-des.md) - [GPIO](driver-platform-gpio-des.md) - [HDMI](driver-platform-hdmi-des.md) - [I2C](driver-platform-i2c-des.md) - [I3C](driver-platform-i3c-des.md) - [MIPI CSI](driver-platform-mipicsi-des.md) - [MIPI DSI](driver-platform-mipidsi-des.md) - [PIN](driver-platform-pin-des.md) - [PWM](driver-platform-pwm-des.md) - [Regulator](driver-platform-regulator-des.md) - [RTC](driver-platform-rtc-des.md) - [SDIO](driver-platform-sdio-des.md) - [SPI](driver-platform-spi-des.md) - [UART](driver-platform-uart-des.md) - [WatchDog](driver-platform-watchdog-des.md) - Peripheral Driver Usage - [LCD](driver/driver-peripherals-lcd-des.md) - [Touchscreen](driver/driver-peripherals-touch-des.md) - [Sensor](driver/driver-peripherals-sensor-des.md) - [WLAN](driver/driver-peripherals-external-des.md) - [Audio](driver/driver-peripherals-audio-des.md) - [USB](driver/driver-peripherals-usb-des.md) - [Camera](driver/driver-peripherals-camera-des.md) - [Vibrator](driver-peripherals-vibrator-des.md) - [Light](driver-peripherals-light-des.md) - Compilation and Building - [Building Guidelines for Mini and Small Systems](subsystems/subsys-build-mini-lite.md) - [Building Guidelines for Standard Systems](subsystems/subsys-build-standard-large.md) - [Build System Coding Specifications and Best Practices](subsystems/subsys-build-gn-coding-style-and-best-practice.md) - [Building the Kconfig Visual Configuration](subsystems/subsys-build-gn-kconfig-visual-config-guid.md) - [Distributed Remote Startup](subsystems/subsys-remote-start.md) - Graphics - [Graphics](subsystems/subsys-graphics-overview.md) - [Development Guidelines on Container Components](subsystems/subsys-graphics-container-guide.md) - [Development Guidelines on Layout Container Components](subsystems/subsys-graphics-layout-guide.md) - [Development Guidelines on Common Components](subsystems/subsys-graphics-common-guide.md) - [Development Guidelines on Animators](subsystems/subsys-graphics-animation-guide.md) - Multimedia - Camera - [Overview](subsystems/subsys-multimedia-camera-overview.md) - [Development Guidelines on Photographing](subsystems/subsys-multimedia-camera-photo-guide.md) - [Development Guidelines on Video Recording](subsystems/subsys-multimedia-camera-record-guide.md) - [Development Guidelines on Previewing](subsystems/subsys-multimedia-camera-preview-guide.md) - Audio and Video - [Overview](subsystems/subsys-multimedia-video-overview.md) - [Development Guidelines on Media Playback](subsystems/subsys-multimedia-video-play-guide.md) - [Development Guidelines on Media Recording](subsystems/subsys-multimedia-video-record-guide.md) - Utils - [Utils Overview](subsystems/subsys-utils-overview.md) - [Utils Development Guidelines](subsystems/subsys-utils-guide.md) - [Utils FAQ](subsystems/subsys-utils-faqs.md) - AI Framework - [AI Engine Framework](subsystems/subsys-aiframework-guide.md) - [Development Environment](subsystems/subsys-aiframework-envbuild.md) - Technical Specifications - [Code Management](subsystems/subsys-aiframework-tech-codemanage.md) - [Naming](subsystems/subsys-aiframework-tech-name.md) - [API Development](subsystems/subsys-aiframework-tech-interface.md) - Development Guidelines - [SDK](subsystems/subsys-aiframework-devguide-sdk.md) - [Plug-in](subsystems/subsys-aiframework-devguide-plugin.md) - [Configuration File](subsystems/subsys-aiframework-devguide-conf.md) - Development Examples - [KWS SDK](subsystems/subsys-aiframework-demo-sdk.md) - [KWS Plug-in](subsystems/subsys-aiframework-demo-plugin.md) - [KWS Configuration File](subsystems/subsys-aiframework-demo-conf.md) - Data Management - RDB - [RDB Overview](subsystems/subsys-data-relational-database-overview.md) - [RDB Development](subsystems/subsys-data-relational-database-guide.md) - Lightweight Data Store - [Lightweight Data Store Overview](subsystems/subsys-data-storage-overview.md) - [Lightweight Data Store Development](subsystems/subsys-data-storage-guide.md) - Sensor - [Sensor Overview](subsystems/subsys-sensor-overview.md) - [Sensor Usage Guidelines](subsystems/subsys-sensor-guide.md) - [Sensor Usage Example](subsystems/subsys-sensor-demo.md) - USB - [USB Overview](subsystems/subsys-usbservice-overview.md) - [USB Usage Guidelines](subsystems/subsys-usbservice-guide.md) - [USB Usage Example](subsystems/subsys-usbservice-demo.md) - Application Framework - [Overview](subsystems/subsys-application-framework-overview.md) - [Setting Up a Development Environment](subsystems/subsys-application-framework-envbuild.md) - [Development Guidelines](subsystems/subsys-application-framework-guide.md) - [Development Example](subsystems/subsys-application-framework-demo.md) - [OTA Update](subsystems/subsys-ota-guide.md) - Telephony - [Telephony Overview](subsystems/subsys-tel-overview.md) - [Telephony Development](subsystems/subsys-tel-guide.md) - Security - [Overview](subsystems/subsys-security-overview.md) - [Development on Application Signature Verification](subsystems/subsys-security-sigverify.md) - [Development on Application Permission Management](subsystems/subsys-security-rightmanagement.md) - [Development on IPC Authentication](subsystems/subsys-security-communicationverify.md) - [Development on Device Security Level Management](subsystems/subsys-security-devicesecuritylevel.md) - Startup - [Startup](subsystems/subsys-boot-overview.md) - [init Module](subsystems/subsys-boot-init.md) - [appspawn Module](subsystems/subsys-boot-appspawn.md) - [appspawn Module for the Standard System](subsystems/subsys-boot-appspawn-standard.md) - [bootstrap Module](subsystems/subsys-boot-bootstrap.md) - [syspara Module](subsystems/subsys-boot-syspara.md) - [FAQs](subsystems/subsys-boot-faqs.md) - [Reference](subsystems/subsys-boot-ref.md) - DFX - [DFX](subsystems/subsys-dfx-overview.md) - [HiLog Development](subsystems/subsys-dfx-hilog-rich.md) - [HiLog\_Lite Development](subsystems/subsys-dfx-hilog-lite.md) - [HiTrace Development](subsystems/subsys-dfx-hitrace.md) - [HiCollie Development](subsystems/subsys-dfx-hicollie.md) - HiSysEvent Development - [HiSysEvent Logging Configuration](subsystems/subsys-dfx-hisysevent-logging-config.md) - [HiSysEvent Logging](subsystems/subsys-dfx-hisysevent-logging.md) - [HiSysEvent Listening](subsystems/subsys-dfx-hisysevent-listening.md) - [HiSysEvent Query](subsystems/subsys-dfx-hisysevent-query.md) - [HiSysEvent Tool Usage](subsystems/subsys-dfx-hisysevent-tool.md) - [HiDumper Development](subsystems/subsys-dfx-hidumper.md) - [HiChecker Development](subsystems/subsys-dfx-hichecker.md) - Featured Topics - HPM Part - [HPM Part Overview](hpm-part/hpm-part-about.md) - [HPM Part Development](hpm-part/hpm-part-development.md) - [HPM Part Reference](hpm-part/hpm-part-reference.md) - Device Development Examples - Mini- and Small-System Devices - WLAN-connected Products - [LED Peripheral Control](guide/device-wlan-led-control.md) - [Third-Party SDK Integration](guide/device-wlan-sdk.md) - Cameras Without a Screen - Camera Control - [Overview](guide/device-iotcamera-control-overview.md) - Development Guidelines - [Photographing](guide/device-iotcamera-control-demo-photodevguide.md) - [Video Recording](guide/device-iotcamera-control-demo-videodevguide.md) - [Use Case](guide/device-iotcamera-control-example.md) - Cameras with a Screen - Screen and Camera Control - [Overview](guide/device-camera-control-overview.md) - Development Guidelines - [Photographing](guide/device-camera-control-demo-photoguide.md) - [Video Recording](guide/device-camera-control-demo-videoguide.md) - [Previewing](guide/device-camera-control-demo-previewguide.md) - [Use Case](guide/device-camera-control-example.md) - Visual Application Development - [Overview](guide/device-camera-visual-overview.md) - [Preparations](guide/device-camera-visual-prepare.md) - [Adding Pages](guide/device-camera-visual-addpage.md) - [Building the Home Page](guide/device-camera-visual-firstpage.md) - [Building the Details Page](guide/device-camera-visual-details.md) - [Debugging and Packaging](guide/device-camera-visual-debug.md) - [Running on the Device](guide/device-camera-visual-run.md) - [FAQs](guide/device-camera-visual-faqs.md) - Standard-System Devices - [Development Guidelines on Clock Apps](guide/device-clock-guide.md) - [Development Example for Platform Drivers](guide/device-driver-demo.md) - [Development Example for Peripheral Drivers](guide/device-outerdriver-demo.md) - Debugging - [Test Subsystem](subsystems/subsys-testguide-test.md) - Debugging Tools - [bytrace](subsystems/subsys-toolchain-bytrace-guide.md) - [hdc\_std](subsystems/subsys-toolchain-hdc-guide.md) - [hiperf](subsystems/subsys-toolchain-hiperf.md) - [XTS Certification](subsystems/subsys-xts-guide.md) - Tools - [Docker Environment](get-code/gettools-acquire.md) - [IDE](get-code/gettools-ide.md) - Hands-On Tutorials - [Codelabs](https://gitee.com/openharmony/codelabs/blob/master/README.md) - References - [FAQs Overview](faqs/faqs-overview.md) - [Environment Setup](faqs/faqs-environment-setup.md) - [Compilation and Building Subsystem](faqs/faqs-building.md) - [Burning](faqs/faqs-burning.md) - [Kernel](faqs/faqs-kernel.md) - [Porting](faqs/faqs-porting.md) - [Startup](faqs/faqs-startup.md) - [System Applications](faqs/faqs-system-applications.md)