v0.13.0

New Features

• USB support (#295).
• Added Pwm::{swap_output_pin, clear_output_pin} to allow for more flexible PWM pin management (#335).
• Added an API for the NVMC peripheral (#337).

Enhancements

• [breaking change] Update rand_core and cortex-m dependencies (#332).
• Make the deprecated SPI peripheral available on all nRF52 chips (#344).

Fixes

• Fix TWIS transfer is_done() always returns true (#329).
• Fix mistake in SPIS Transfer is_done to borrow inner (#330).
• Fix I2S frequency mapping (#333).
• [breaking change] Make Pwm::set_output_pin take the pin by-value to fix its soundness (#335).