SPI/DMA Setup for Burst SPI reads

[Jean Paul Talledo Vilela]

Posted on November 06, 2017 at 10:37

Hello

I am interfacing the STM32F407 with the ADE9000 chip that supports burst reads which means, after requesting a data set (write command from STM32F4) I can clock out as many bytes I can, the chip increments the address every 32  clocks.

Can I use DMA with this SPI burst read? can somebody guide me how to setup SPI/DMA for 32 bit data?

#spi #dma

[marcosolano9]

Hi, do you solved your problem? and how.. i'm intrested.... thanks

[waclawek.jan]

32 bits = 2 x 16 bits... What is the problem?

JW

[marcosolano9]

mine was a sarcastic question ... thanks

[Chopra.Deepak]

Hello

are you able to get data of ADE9000 with stm32?because i try many configuration and CPOL = high,CPHA = 2edge (mode3) as per stm32cubemx.if you are able to help me please guide me to communicate with ade9000.i try even many mcu like stm32f030 ,stm32h743 and stm32f429.

[marcosolano9]

little gift for you... this work for me like a charm... (SPL LIBS)

SPI_InitStructure.SPI_CPOL=SPI_CPOL_Low;

SPI_InitStructure.SPI_CPHA=SPI_CPHA_1Edge;

SPI_InitStructure.SPI_Direction=SPI_Direction_2Lines_FullDuplex;

SPI_InitStructure.SPI_Mode=SPI_Mode_Master;

SPI_InitStructure.SPI_DataSize=SPI_DataSize_8b;

SPI_InitStructure.SPI_NSS=SPI_NSS_Soft;

SPI_InitStructure.SPI_BaudRatePrescaler=SPI_BaudRatePrescaler_32; //16=5.25MHz

SPI_InitStructure.SPI_FirstBit=SPI_FirstBit_MSB;

SPI_InitStructure.SPI_CRCPolynomial=7;

SPI_Init(ADE9000_SPI,&SPI_InitStructure);

[Woula]

Hi,

I bought anADE9000 Shield Eval Board. I am trying to interface it with an STM32F429ZI-Disco board. My problem is about data i read through SPI are not as expected according to the register table in the datasheet. I attached my program and my serial port capture. Could you help me please ? 

My SPI Configauration: 

SPI Speed : 10 MHz

SPI Mode 0

CRC Disabled

8 Bit data length

MSB First

Thanks !