ESP-IDF-PT2258

An ESP-IDF audio control implementation for the PT2258 6-Channel Electronic Volume Controller IC

• Overview
  • Repository Structure
    • 📂 pt2258 (I2C Driver)
  • Adding to Your Project
    • Option 1: ESP Component Manager (Recommended)
    • Option 2: Git Submodule

Components

• pt2258 (I2C Driver)
  • Features
  • Hardware Specifications & Timing
    • I2C Addressing
    • Critical Hardware Considerations
  • Usage Example
    • ESP-IDF Native Driver
    • ESP-ADF i2c_bus Driver
    • Espressif IoT Solution i2c_bus
  • API Reference
    • PT2258_I2C_ADDR_0_8BIT
    • PT2258_I2C_ADDR_1_8BIT
    • PT2258_I2C_ADDR_2_8BIT
    • PT2258_I2C_ADDR_3_8BIT
    • PT2258_I2C_ADDR_0
    • PT2258_I2C_ADDR_1
    • PT2258_I2C_ADDR_2
    • PT2258_I2C_ADDR_3
    • PT2258_MIN_ATTENUATION
    • PT2258_MAX_ATTENUATION
    • PT2258_TOTAL_CHANNELS
    • pt2258_handle_t
    • pt2258_write_cb_t
    • pt2258_ch_t
      • PT2258_CH_ALL
      • PT2258_CH_1
      • PT2258_CH_2
      • PT2258_CH_3
      • PT2258_CH_4
      • PT2258_CH_5
      • PT2258_CH_6
    • pt2258_create()
    • pt2258_delete()
    • pt2258_clear_registers()
    • pt2258_set_attenuation()
    • pt2258_set_mute()
    • pt2258_config_t
      • write_cb
      • i2c_dev_handle