rp2040-hal v0.5.0

[0.5.0] - 2022-06-13

MSRV

The Minimum-Supported Rust Version (MSRV) for this release is 1.61

Added

• RP2040 specific #[entry] macro that releases spinlocks - @jannic
• Start multiple state machines in sync with each other - @astraw
• Unsafe fn for freeing all spinlocks when you can't use the RP2040 entry macro (eg RTIC) - @9names
• Optional feature for enabling defmt formatting for i2c errors - @ithinuel
• Accessor for getting the offset of an installed PIO program - @fenax

Changed

• Use thread send safe UART* marker when splitting, improves UART ergonmics - @marius-meissner
• Improve performance for hardware division instrinsics. Internal intrinsics cleanup - @Sizurka
• Provide a better alarm abstraction - @ithinuel
• Update Multicore::spawn to be able to take a closure without requiring alloc.
  Improve Multicore ergonomics and add example for how to use new API - @Liamolucko
• Allow PIO program to be 32 instructions long, was previously limited to 31 - @jannic
• Fix Typos - @mqy, @danbev
• Replace generic pio::Tx::write with write_u8_replicated, write_u16_replicated, and update
  write to take a u32. The generic version was too easy to misuse. - @9names

Removed

• I2c async driver. Use new one at https://github.com/ithinuel/rp2040-async-i2c/ - @ithinuel
• Unused fields from UartPeripheral and Reader - @jannic