Constant esp_idf_svc::hal::sys::spi_event_t_SPI_EV_SEND_DMA_READY

source ยท 
pub const spi_event_t_SPI_EV_SEND_DMA_READY: u32 = 4; // 4u32
Expand description

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