A316 Firmware-Free MCU Development Guide¶
Development Overview¶
This document provides comprehensive guidance for XU316 and MCU communication development, helping developers implement XU316-MCU communication functionality in the correct sequence. The development process is divided into several main steps, each with corresponding reference documentation and detailed instructions.
Development Steps¶
Objective: Understand the basic concepts and protocol structure of XU316-MCU communication
Reference Documentation: XU316 and MCU Communication Protocol Command Macro Definitions
Key Learning Points:
- Master the basic structure of frame format (frame header, command, data length, checksum, frame tail)
- Understand data length definitions for various commands
- Familiarize with audio format enumerations and type definitions
- Learn the composition of command data structures
Objective: Implement basic communication functions between XU316 and MCU
Reference Documentation: XU316 and MCU Communication Protocol Reference
Development Tasks:
- Implement ring buffer initialization and management
- Implement data frame encapsulation and transmission
- Implement data frame reception and parsing
- Implement CRC32 and simple checksum calculation
- Implement basic communication protocol processing flow
Objective: Configure XU316 audio interfaces and related parameters
Reference Documentation: XU316 Audio Interface Control Code Examples
Development Tasks:
- Configure I2S master/slave mode
- Set audio sampling rate and bit depth
- Configure audio channel count
- Set volume control parameters
- Configure various audio interfaces (SPDIF, ADAT, DSD, etc.)