rpi_pico_wav_player
Hi-Res WAV player for Raspberry Pi Pico / Pico 2
Explore challenges of playing 192KHz WAV files on Raspberry Pi Pico. Overcome high throughput demands, RAM limits & real-time I²S re-initialization for seamless audio.
How the 160x80 LCD Backlight Is Managed in the RPi Pico WAV PlayerDiscover how the 160x80 LCD backlight is managed on the RPi Pico WAV player using PWM for dynamic brightness control based on idle time and user settings.
RPi Pico SD Card SPI Connections and FatFs Integration in rpi_pico_wav_playerDiscover RPi Pico SD card SPI connections using SPI 0 (GPIO 4-7) and explore FatFs integration with the pico_fatfs library in the rpi_pico_wav_player firmware. Learn how to implement file system support.
How to Update or Customize Configuration Parameters Stored in Flash Memory in rpi_pico_wav_playerLearn how to update or customize configuration parameters in rpi_pico_wav_player flash memory. Easily manage volume, UI mode, and playback settings using pico_flash_param.
How RPi Pico WAV Player Handles Seek Operations Within WAV FilesDiscover how RPi Pico WAV Player handles seek operations using a three-layer architecture to manage file pointers and safe seek limits for seamless audio playback. Learn more now.
PIO I2S Audio Configuration in Raspberry Pi Pico WAV Player: Complete Technical GuideLearn PIO I2S audio configuration for Raspberry Pi Pico WAV player. Discover how state machine 0, DMA, and GPIO pins create high-quality audio output.
How the File Menu System Is Implemented and Navigated in RPi Pico WAV PlayerDiscover how the RPi Pico WAV Player uses FatFs to implement a lazy-sorted file menu system and navigate directories with its C API. Learn the internals of this SD card file indexing.
RPi Pico WAV Player Audio File Format Limitations: A Complete Technical GuideDiscover RPi Pico WAV Player audio format limitations. Learn supported PCM WAV file specs: bit depth, channels, headers, and sample rates up to 192 kHz for your projects.
How to Interface with and Control the RPi Pico WAV Player Using the 3 Push ButtonsControl the RPi Pico WAV Player with 3 push buttons. Learn how to interface with its UI using the ui_control.h API to get button events like clicks and long presses.
Main Entry Points and Critical Functions in src/main.cpp for the Raspberry Pi Pico WAV PlayerExplore the main entry points and critical functions in src/main.cpp for the Raspberry Pi Pico WAV Player. Understand hardware detection, initialization, and the UI update loop.
How to Connect and Configure a 32-bit PCM5102 DAC for I2S Audio Output on Raspberry Pi PicoConnect and configure a 32-bit PCM5102 DAC for I2S audio on Raspberry Pi Pico. Learn to wire GPIO, set PLL, initialize I2S driver, and control mute for high-quality audio output.
How the JPEG Decoder Enables Cover Art Display in the RPi Pico WAV PlayerDiscover how the JPEG decoder in the RPi Pico WAV Player decompresses image data into RGB565 pixels, enabling real-time cover art display on your device.
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