About MDrak.1

MDrak.1 · 2021-12-08

Enabled DMA2_CLKSPI3_CLKset DMA2_CSELR = 0x00000033;GPIO is set up correctly and has clk enabledCMAR1 CMAR2 CPAR1 CPAR2 sSetup interrupts for DMAe Channel 1 and 2 and their prioritiessetup spi3 cr1 cr2DMA2_CNDTR2 DMA2_CNDTR1RESET Ints with DMA2_IFCRF...

MDrak.1 · 2022-01-13

I ran the tests with corrected values and had more success. The DMA_Transmit started correctly. However the DMA Receiver was never started. The SPR Status register showed receive FIFO overrun. I could not find any SPI DMA Receive Interrupts that were...

MDrak.1 · 2021-12-10

Yes I copied the register value incorrectly. Twice. In my code I had 0x40013c3c then I copied it to my list as 0x40013c03 and the correct value is 0x40003c0c. I will test with that. Incorrect data register address should stop things from working. Tha...

MDrak.1 · 2021-12-09

This is the state of registers before I set the TXDMAEN bit, which should start the process.DMA2ISR 0IFCR WCCR1 0X000 0093 THIS INCLUDES THE FOLLOWING SET BITS MINC DIR TCIE ENCNTDR1 0X0000 0011CPAR1 0X4001 3C03CMAR1 0X2000 6F64CCR2 0X00 2083 T...

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STM32L462 Can not start DMA transfer via SPI.

Re: STM32L462 Can not start DMA transfer via SPI.

Re: STM32L462 Can not start DMA transfer via SPI.

Re: STM32L462 Can not start DMA transfer via SPI.