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spi_event_t_SPI_EV_RECV_DMA_READY

esp_idf_hal::sys

Constant spi_event_t_SPI_EV_RECV_DMA_READY 

Source 
pub const spi_event_t_SPI_EV_RECV_DMA_READY: u32 = 16; // 16u32
Expand description

< Slave has loaded its RX data buffer to the hardware (DMA).