The rendering time of lag is as shown below: Caton performance has the following aspects: Network image rendering takes a long time The response of sliding up and down is slow, and the screen may even not move. It takes a lot of time to load and render a new page of data. There is […]
Tag: free
Transplantation of FreeRTOS on STM32F407 series development boards
RTOS real-time operating system FreeRTOS porting Add two folders to the project folder FreeRTOS_CORE and FreeRTOS_PORT Add list.c, queue.c, tasks.c in Source in FreeRTOS to the FreeRTOS_CORE kernel source folder Check out the Keil and MemMang in the Source in FreeRTOS and the portable migration folder. , RVDS three folders, and then find the folder […]
FreeRTOS_Queue(Queue)
Directory title 1. Queue characteristics 2. Queue function 2.1. Create queue 2.2. Write queue 2.3. Read queue 2.4. Reset queue 2.5. Delete queue 3. Queue set 3.1. Queue set creation 3.2. Add queues to queue sets 3.3. Read queue set 1. Queue characteristics Queues can be used to directly transmit information “Task to task“, “Task […]
Cross-compiler: taking freetype as an example
1 Some basic knowledge of program operation 1.1 Where to find header files when compiling a program? System directory: It is an include directory in the cross-compilation tool chain; you can also specify it yourself: use it when compiling “-I dir ” option specified. 1.2 Where to find library files when linking? System directory: It […]
(2) FreeRTOS mission control (1)
Table of Contents 1. Task delay vTaskDelay 2. Task delay vTaskDelayUntil 3. Task delay xTaskDelayUnti 1. Task delay vTaskDelay //task. h void vTaskDelay( const TickType_t xTicksToDelay); INCLUDE_vTaskDelay must be defined as 1 for this function to be available. Delay the task by the given number of ticks. The actual time the task remains blocked depends […]
FreeRTOS task creation and deletion, suspension and resumption
1. Create BaseType_t xTaskCreate( TaskFunction_t pxTaskCode, const char* const pxName, const uint16_t usStackDepth, void* const pvParameters, UBaseType_t uxPriority, TaskHandle_t* const pxCreateTask) This function is mainly used to create tasks. It creates tasks in a dynamic way. The space and stack size used by tasks created by the dynamic task creation function are managed by FreeRTOS. […]
Vue requirements: realize the function of free positioning of signatures/signatures on the page (essence: drag and drop of elements on the page)
Table of Contents Chapter 1 Effect Display Chapter 2 Understanding Tools 2.1 draggable 2.1.1 Understanding draggable 2.1.2 draggable method 2.1.3 Use examples to understand methods Chapter 3 Effect Realization 3.1 Implementation ideas 3.2 Code implementation 3.2.1 Points involved 3.2.2 Source generation Chapter 1 Effect Display Effect description: Click on the signature and seal in the […]
C++ concurrent programming practice – 07. Design lock-free concurrent data structures
Article directory Design lock-free concurrent data structures Definition and meaning non-blocking data structures lock-free data structure No wait data structure Pros and Cons of Lockless Structure Example of lock-free data structure Lock-free thread-safe stack Detecting unrecyclable nodes using risk pointers Use reference counting Memory model on lock-free stack Implement a lock-free thread-safe queue Guidance on […]
(1) FreeRTOS task creation and deletion
Table of Contents 1. Task creation xTaskCreate 2. Task creation xTaskCreateStatic 3. Task deletion vTaskDelete 1. Task creation xTaskCreate ? //task.h BaseType_t xTaskCreate( TaskFunction_t pvTaskCode, const char * const pcName, configSTACK_DEPTH_TYPE usStackDepth, void *pvParameters, UBaseType_t uxPriority, TaskHandle_t *pxCreatedTask ); ? Create a new task and add it to the list of tasks ready to run. […]
NeurIPS 2023 | Up! FreeMask: Improving segmentation model performance with densely annotated synthetic images
Click the Card below and follow the “CVer” public account AI/CV heavy-duty information, delivered as soon as possible Click to enter->[Image Segmentation and Transformer] Communication Group Author: LeolhYang (Source: Zhihu, authorized) | Editor: CVer https://zhuanlan.zhihu.com/p/663587260 Reply in the background of CVer WeChat public account: FreeMask, you can download the pdf and code of this paper […]