Run two DMAs simultaneously on STM32F407
I am working on a project that uses an STM32F4 disc board to read and write external ADC and DAC with two SPI interfaces. SPI1 (DMA2 Stream3) is set to TX only to write waveform to a DAC, and SPI3 (DMA1 Stream0) is set to RX only to read an ADC. Whe...