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stm32-rs / stm32h7xx-hal

Peripheral access API for STM32H7 series microcontrollers
BSD Zero Clause License
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Fix invalid read test logic in sdmmc example #452

Closed phoracek closed 1 year ago

phoracek commented 1 year ago

The read check is processing a buffer 10 blocks long. The check then reads data from the SD card 10 times to then report the speed of "Read 10 blocks at X bytes/second". The problem is that it actually reads 10*10 blocks.

With this patch, read_blocks is used correctly to populate a continuous buffer.

phoracek commented 1 year ago

Better to tackle this as a part of https://github.com/stm32-rs/stm32h7xx-hal/pull/453 which reworks the example anyway.