1# FAQs Overview 2 3 4FAQs are used to help developers solve problems frequently encountered during development. They cover a wide range of topics. 5 6 7## Environment Setup 8 9 10### Mini and Small Systems 11 12- hb installation 13 14 - [Garbled Characters and Segmentation Faults](../faqs/faqs-environment-setup.md) 15 16 - ["cannot import 'sysconfig' from 'distutils'"](../faqs/faqs-environment-setup.md) 17 18 - ["module 'platform' has no attribute 'linux_distribution'"](../faqs/faqs-environment-setup.md) 19 20 - ["Could not find a version that satisfies the requirement ohos-build"](../faqs/faqs-environment-setup.md) 21 22- Python3 Installation 23 24 - ["configure: error: no acceptable C compiler found in $PATH"](../faqs/faqs-environment-setup.md) 25 26 - ["-bash: make: command not found"](../faqs/faqs-environment-setup.md) 27 28 - ["zlib not available"](../faqs/faqs-environment-setup.md) 29 30 - ["No module named '_ctypes'"](../faqs/faqs-environment-setup.md) 31 32- [lsb_release Error During kconfiglib Installation](../faqs/faqs-environment-setup.md) 33 34- ["ImportError: No module named apt_pkg"](../faqs/faqs-environment-setup.md) 35 36 37## Compilation and Building 38 39 40### Mini and Small Systems 41 42- ["usr/sbin/ninja: invalid option -- w"](../faqs/faqs-building.md) 43 44- ["/usr/bin/ld: cannot find -lncurses"](../faqs/faqs-building.md) 45 46- ["line 77: mcopy: command not found"](../faqs/faqs-building.md) 47 48- ["riscv32-unknown-elf-gcc: error trying to exec 'cc1': execvp: No such file or directory"](../faqs/faqs-building.md) 49 50- ["No module named 'Crypto'"](../faqs/faqs-building.md) 51 52- ["xx.sh : xx unexpected operator"](../faqs/faqs-building.md) 53 54- ["Could not find a version that satisfies the requirement six>=1.9.0"](../faqs/faqs-building.md) 55 56- ["cannot find -lgcc"](../faqs/faqs-building.md) 57 58- [Failed to Find Python](../faqs/faqs-building.md) 59 60- [Failed to Find Python 3](../faqs/faqs-building.md) 61 62 63## Burning 64 65 66### Mini and Small Systems 67 68- ["Error: Opening COMxx: Access denied" Displayed When I Start Burning](../faqs/faqs-burning.md) 69 70- [The Image Failed To Be Burnt](../faqs/faqs-burning.md) 71 72- [No Command Output Is Displayed](../faqs/faqs-burning.md) 73 74- [Windows-based PC Failed to Be Connected to the Board](../faqs/faqs-burning.md) 75 76 77## Kernel 78 79 80### Basic Kernel 81 82- [What are the differences between APIs provided by LiteOS-A and LiteOS-M?](../faqs/faqs-kernel.md) 83 84- [How do I analyze thread stack overflow?](../faqs/faqs-kernel.md) 85 86 87### File System 88 89- [What should I do when the Hi3516 board fails to open the same file in write mode (LiteOS-A)?](../faqs/faqs-kernel.md) 90 91 92### Chip Adaptation 93 94- [What hardware platforms are supported by the LiteOS kernel?](../faqs/faqs-kernel.md) 95 96- [What chip architectures are supported by the LiteOS kernel?](../faqs/faqs-kernel.md) 97 98 99### Third-party Components 100 101- [Which third-party components are supported?](../faqs/faqs-kernel.md) 102 103- [What should I do if the key length verification fails when OpenSSL is used?](../faqs/faqs-kernel.md) 104 105- [Does setsockopt support SO_RCVBUF and SO_SNDBUF?](../faqs/faqs-kernel.md) 106 107 108### Compilation and Linking 109 110- [How do I run an application developed by ARM Linux on LiteOS-A?](../faqs/faqs-kernel.md) 111 112- [What operating system is used for compilation? What compiler is used?](../faqs/faqs-kernel.md) 113 114- [For a third-party component that is independently compiled into a static library and used on LiteOS-M, what should I do when the component's global variable value is incorrect or the system is suspended after the component's function is called?](../faqs/faqs-kernel.md) 115 116- [What should I do if the message "use VFP register arguments, xxx.o does not" is displayed when LiteOS-A generates a target executable file?](../faqs/faqs-kernel.md) 117 118- [What should I do when calling clock_gettime obtains an incorrect time?](../faqs/faqs-kernel.md) 119 120 121## Porting 122 123- [How Do I Mount the Heap Memory to the Kernel?](../faqs/faqs-porting.md) 124 125 126## Startup and Recovery 127 128- [System Startup Interrupted Due to "parse failed!" Error](../faqs/faqs-startup.md) 129 130- [System Restarted Repeatedly](../faqs/faqs-startup.md) 131 132- [Failed to Call the SetParameter or GetParameter API with Correct Parameter Values](../faqs/faqs-startup.md) 133 134 135## System Applications 136 137 138### Utils 139 140- [Failure in running the KV store on the LiteOS-A kernel (Hi3516 or Hi3518) due to incorrect path setting for the KV store](../faqs/faqs-system-applications.md) 141 142 143### Visual Applications 144 145- [Is there a global variable that can be accessed by all pages?](../faqs/faqs-system-applications.md) 146 147- [How do I obtain DOM elements?](../faqs/faqs-system-applications.md) 148 149- [How do I pass values between pages?](../faqs/faqs-system-applications.md) 150 151- [How do I scroll a list to an item?](../faqs/faqs-system-applications.md) 152 153- [Does the <text> component support multiple lines?](../faqs/faqs-system-applications.md) 154 155- [Why is a component not displayed?](../faqs/faqs-system-applications.md) 156 157- [How do I implement scrolling on a page?](../faqs/faqs-system-applications.md) 158 159- [Why do not the left and top attributes take effect?](../faqs/faqs-system-applications.md) 160 161- [Why does not dynamic binding take effect?](../faqs/faqs-system-applications.md) 162 163- [How do I implement relative and absolute positioning?](../faqs/faqs-system-applications.md) 164 165- [How do I display or hide a component?](../faqs/faqs-system-applications.md) 166 167- [What are the precautions for using the Margin attribute?](../faqs/faqs-system-applications.md) 168 169- [What are the precautions for event subscription?](../faqs/faqs-system-applications.md) 170 171- [What are the precautions for using dynamic binding?](../faqs/faqs-system-applications.md) 172 173- [How does the loop attribute take effect for <swiper>?](../faqs/faqs-system-applications.md) 174 175- [What are the precautions for using an array?](../faqs/faqs-system-applications.md) 176 177 178### hdc 179 180- [hdc_std Failed to Connect to a Device](../faqs/faqs-system-applications.md) 181 182- [hdc_std Failed to Run](../faqs/faqs-system-applications.md) 183