Changed
- Support pico-sdk 1.5.1 (previously 1.4.0)
- Change library name to pico_spdif_rx (previously spdif_rx)
- Replace PICO_SPDIF_RX_PIO, PICO_SPDIF_RX_DMA_IRQ macro with add_compile_definitions() in CmakeLists.txt
- Use alarm pool instead of immediate hardware alarm number
Fixed
- Fix CMakeLlists.txt filename (PR by DaveVdE)