Welcome to CQ38W-1126B Manual

Quick Start

• 1. Introduction
  • 1.1. Size
• 2. Serial debug

Upgrade Firmware

• 1. Boot mode description
  • 1.1. Preface
  • 1.2. How to get the Firmwares
  • 1.3. Upgrade method
  • 1.4. Boot media
  • 1.5. Boot mode
• 2. Upgrade the firmware via USB cable
  • 2.1. Introduction
  • 2.2. Preparatory Tools
  • 2.3. Prepare Firmware
  • 2.4. Install the Upgrade Tool
  • 2.5. Enter Upgrade mode
  • 2.6. Upgrade the firmware
  • 2.7. FAQs
• 3. MaskRom mode
• 4. Upgrade the firmware via SD card
  • 4.1. Introduction
  • 4.2. Preparatory Tools
  • 4.3. Operation Steps

Linux

• 1. Compile Linux firmware
  • 1.1. Download Firefly_Linux_SDK
  • 1.2. Compile Yocto firmware
  • 1.3. Compile Debian firmware
  • 1.4. Compile Buildroot firmware
• 2. Firefly Linux User Guide

Port Usage

• 1. ADC
  • 1.1. Introduction
  • 1.2. DTS configuration
  • 1.3. Drive instructions
  • 1.4. Interface specification
  • 1.5. FAQs
• 2. Camera
  • 2.1. Camera Low-Level Debugging
  • 2.2. PHY Introduction
  • 2.3. Full Mode
  • 2.4. Split Mode
  • 2.5. Previewing the Camera on a Linux System
• 3. Ethernet
  • 3.1. Dts Configuration
• 4. GPIO
  • 4.1. Introduction
  • 4.2. GPIO Pin to calculate
  • 4.3. Input And Output
  • 4.4. Interrupt
  • 4.5. Reuse
  • 4.6. Debugging Method
  • 4.7. FAQs
• 5. LED
  • 5.1. Introduction
  • 5.2. Controlling LEDs by device
  • 5.3. Using trigger control LED
• 6. RTC
  • 6.1. Introduction
  • 6.2. Driver RTC
  • 6.3. Interface usage
  • 6.4. FAQs
• 7. UART
  • 7.1. Introduction
  • 7.2. DTS Configuration
  • 7.3. Send And Receive Verification
• 8. Watchdog
  • 8.1. Introduction
  • 8.2. DTS configuration
  • 8.3. usage

Other

• 1. NPU
  • 1.1. RKNN Model
  • 1.2. Non-RKNN Model
  • 1.3. RKNN-Toolkit2
  • 1.4. Detailed Development Documents

Questions and answers

• 1. Linux Device Tree (DTS) Manual
  • 1.1. Find the Device Tree
  • 1.2. Modify the Device Tree
  • 1.3. Compile and Download

Hardware resources

• 1. Hardware Interfaces
  • 1.1. Board Interface Specification