Smart Wearable Technology Solution

• Wearable (Watch) Solutions Technical Wizard
  • 1. Suggestions on the use of series chips in wearable products
    • 1.1 GR551x Series
      • 1.1.1 Key performance parameters
      • 1.1.2 Material number
    • 1.2 GR5526 Series
      • 1.2.1 Key performance parameters
      • 1.2.2 Material number
    • 1.3 GR5525 Series
      • 1.3.1 Key performance parameters
      • 1.3.2 Material number
    • 1.4 Selection reference
      • 1.4.1 Parameter comparison
      • 1.4.2 GR5525 vs GR551x
      • 1.4.3 GR5526 vs GR5525
      • 1.4.4 General reference for type selection
  • 2. Reference to the scheme
• GR5526 (1)-User Guide for watch reference scheme
  • 1. GR5526 Wear (Watch) Ref.
    • 1.1 Example Project
    • 1.2 Drive reference
    • 1.3 LVGL GUI Framework Instructions
  • 2. Instructions for use of the migration
    • 2.1 typical peripheral adaptation
      • 2.1.1 Adaptation of screen driver
      • 2.1.2 Touch adaptation
      • 2.1.3 Data Nor Flash Adaptation
    • 2.2 Lvgl related
      • 2.2.1 Resolution Configuration
      • 2.2.2 Color configuration
      • 2.2.3 Frame Buffer
      • 2.2.4 Definition of frame format
    • 2.3 User Task Description
• GR5526 (2)-Generate image resources for Lvgl specification
  • 1. Tool introduction
  • 2. Generate a picture resource
    • 2.1 Prepare picture resource data
    • 2.2 Organize image directory format
    • 2.3 Perform resource generation
  • 3. Use of build resource files
    • 3.1 Burn the.bin file
    • 3.Adjust the source code descriptor file according to the actual situation of the project
    • 3.3 Embed the source code.c/.h file into the Lvgl project
    • 3.4 Download address of related tools
• GR5526 (3)-Generate font resources for Lvgl specification
  • 1. Tool introduction
  • 2. Use of tools
    • 2.1 Prepare Tools and Font Resources
    • 2.2. Generate bitmap source code files according to application requirements
    • 2.Embed the generated.c source code into the lvgl application project
  • 3. Other considerations
    • 3.1 Appendix
• GR5526 (4)-Merge Lvgl font bitmaps into bin
  • 1. Use background and description
  • 2. Lvgl format bitmap data to bin films
    • 2.1How to generate fonts for Lvgl
    • 2.2 Generates font resources that conform to the Lvgl specification for GPU adaptation
    • 2.Method of generating font bitmap bin file
    • 2.4 Script Tool Download
• GR5526 (5)- Build a reference application for Lvgl
  • 1. Foreword
  • 2.Download the sample project for a taste
  • 3. Write the first LVGL interface
    • 3.1 Find the GUI entry point
    • 3.Write a LVGL interface
  • 4. LVGL basic concepts
    • 4.1 LVGL object
    • 4.2 LVGL style
  • 5. Revamping the first LVGL interface
• GR5526 (6)-Power Debug Reference for Watch Demo
  • 1. Refer to the engineering description
  • 2. Low Power Mode Background
  • 3. Low Power Debugging Based on Watch Demo
    • 3.1 Principle
    • 3.2 Test environment setup
    • 3.3 The main tasks of the Watch Demo project related to hibernation
    • 3.4 Working mode design of Watch Demo
    • 3.5 Sleep Mode Debugging
      • 3.5.1 Principles
      • 3.5.2 General conditions
      • 3.5.3 Method for determining whether the peripheral is in working state
      • 3.5.4 Examples
    • 3.6 Current waveform of each operation mode
      • 3.6.1 Current waveform of working mode switching
      • 3.6.2 Current Waveform with BLE Broadcast Sleep
• GR5526 (7)-Debugging rendering exceptions using savebin
  • 1. Background
  • 2. Analyze Frame Buffer
    • 2.1 Get Frame Buffer Parameters
    • 2.2 Capture frame buffer data in debugging state
    • 2.3 Check buffer exception
• GR5526 (8)-Graphical FAQ and Solution Reference
  • 1. Lvgl display class problem
    • 1.1 Lvgl When rotating an image, the image appears to be foldover at some rotation angles.
• GR5526 (9)-Display Controller Driver Configuration Reference
  • 1. Display controller
    • 1.1Initialization function parameter
    • 1.2 Frame data sending interface parameters
  • 2. Other DC Interface Timing Diagram
    • 2.1 app_graphics_dc_spi_send
    • 2.2 app_graphics_dc_dspi_send_cmd_in_3wire_1lane
    • 2.3 app_graphics_dc_dspi_send_cmd_data_in_3wire_1lane
    • 2.4 app_graphics_dc_dspi_send_cmd_data_in_4wire_2lane
    • 2.5 app_graphics_dc_dspi_send_cmd_datas_in_4wire_2lane