Constant esp_idf_sys::periph_interrput_t_ETS_SPI1_DMA_INTR_SOURCE

source ยท 
pub const periph_interrput_t_ETS_SPI1_DMA_INTR_SOURCE: periph_interrput_t = 52;
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< interrupt of SPI1 DMA, SPI1 is for flash read/write, do not use this