RPi Pico WAV Player Versions Save

Added

• Support Hi-Res WAV up to 24bit / 192KHz
• Display bit resolution and sampling frequency
• Support Mono WAV
• Add LCD Config in Config Menu
• Force to reset ConfigParam when format revision changed to avoid mulfunction

Changed

• Use submodule for pico_audio_i2s_32b library
• Change pullup register for buttons into conditional pullup for power on by any HP buttons

Fixed

• Correct track number display when no TAG information in WAV file
• Don't display empty album art when no JPEG
• Fix resume play freeze when card contents have been changed

Fixed

• Fix build error of "cannot find -lmy_pico_stdio_usb_headers"
• Delete obsolete CENTER button completely not to disturb other button actions when pullup is not attached. issue#4

Changed

• Support pico-sdk 1.5.1 (previously 1.4.0)
• Update FatFs R0.15 (previously R0.14b)
• Remove external pullup resistors for PLUS, MINUS buttons
• Remove external pullup resistors for MISO, MOSI of microsd SPI
• Clean up libraries. pico_fatfs and pico_st7735_80x160 are switched to submodules.
• Change I2C DMA scheme from single buffer to double buffers

Fixed

• Small fix for fatfs CS handling

Added

• Add gpio_disable_pulls() to SD-Card SPI pins

Changed

• Adjust ADC conversion coefficient for static battery check

Added

• Support ChargeMode which allows to remove USB charge selection switch

Changed

• No hardware modification needed in Raspberry Pi Pico board
  • External circuit around battery charger revised to be compliant to pico-datasheet.pdf
  • Use built-in battery voltage check circuit (static battery check) as default
• Increase display charactor length of title, artist and album. add measure to prevent buffer overflow
• Remove GPIO center button and integrated into GP26 ADC level detection to detect wake up trigger

from v0.8.0 (Initial Release)

• invert GP27 logic and rename from AUDIO_MUTE_CTRL to AUDIO_DAC_ENABLE