I am trying to create a repeating trigger to start an SPI transfer to read 12 x 16 bit values from an external ADC.I have configured the SPI with a Rx DMA to receive the data and have created a timer to trigger a second DMA to write to the SPI->CR1 r...

I have set up TIM2 as a slave triggered by ITR1,  But have not started any other timers to generate a suitable TRGO to trigger TIM2.  However, when I run the software I can see an output from TIM2 as soon as it is started.If I change TIM2 to be trigg...