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by the__alchemist
1089 days ago
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The other replies reflect my thoughts, so I don't have much to add. So, these are elaborations on those: It appears most of the peripheral support libs (eg those that use Embedded-HAL traits) are not designed with practical ends in mind; I've found it easier for all I2C/SPI etc devices I've used to start from scratch with a `setup` fn with datasheet references, than DMA transfers. So, you have these traits designed to abstract over busses etc; they sound nice in principle, but are (so far) not useful for writing firmware. I get a general sense that the OSS libs are designed with a "let's support this popular MCU/IC, and take advantage of Rust's type system and language features!" mindset. A bare minimum is done, it's tested on a dev board, then no further testing or work. There are flaws that show up immediately when designing a device with the lib in question. So, at least for the publicly-available things, they're designed in an abstract sense, instead of for a practical case. |
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