Ulf Lilleengen cbff0398bb Add IRQ-driven buffered USART implementation for STM32 v2 usart (#356) ... * Add IRQ-driven buffered USART implementation for STM32 v2 usart * Implementation based on nRF UARTE, but simplified to not use DMA to avoid complex interaction between DMA and USART. * Implementation of AsyncBufRead and AsyncWrite traits * Some unit tests to ring buffer * Update polyfill version * Update sub module to get usart IRQ fix		2021-08-16 17:16:49 +02:00
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src	Add IRQ-driven buffered USART implementation for STM32 v2 usart (#356)	2021-08-16 17:16:49 +02:00
Cargo.toml	Rename embassy-extras to embassy-hal-common	2021-07-29 13:44:51 +02:00