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hideakitai / ESP32DMASPI

SPI library for ESP32 which use DMA buffer to send/receive transactions
MIT License
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Why is the transmission data length limited to a multiple of 4? #63

Closed TopgunZh closed 4 weeks ago

TopgunZh commented 1 month ago

image

hideakitai commented 1 month ago

Please refer to https://docs.espressif.com/projects/esp-idf/en/stable/esp32/api-reference/peripherals/spi_master.html

32-bit aligned (starting from a 32-bit boundary and having a length of multiples of 4 bytes).