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Dreamer3D · 2024-09-05

Hello,I'm working with two F4 STM32 boards using the SPI communication.The two boards are connect to each other using the SPI1 connectivity. The first board is configured as a Master and only send data. And the second is configured as a Slave and onl...

Dreamer3D · 2024-09-04

Hello,I'm commucating two STM32 F4 boards using SPIThe first board is configured as a Master and used to only transmit data #define message_tx_size 4 uint8_t message_tx[message_tx_size] = "ABCD"; .... int main(void){ while (1){ HAL_SPI_Transmit...

Dreamer3D · 2024-08-30

Hello,I'm using two STM32F4 nucleo boards and my goal is to transmit data unidirectionnaly from one board to another using SPI in a loop.The first board is configured as a Master and it only transmits data. And the second one is configured as a Slave...

Dreamer3D · 2024-09-19

I added the code for configuring the NSS on the Master, and did not change anything on the Slave, but this still did not resolve the problem. I want to add some additional information: when I run the slave, I receive the correct data for the first it...

Dreamer3D · 2024-09-19

Thank you for responding to me,I already address the issue with manual delays. I removed the manual delays.I also an Hardware NSS Signal: Output Signal for the Master and Input Signal for the Slave. But this also did not resolve the problem. I use a...

Dreamer3D · 2024-09-19

Hello,I already posted my problem a few weeks ago, but it is still not resolved. This is the link to my last post: Re: \0 is added in the front of my message when using HAL_SPI_Receive_DMA() My goal is to use two STM32F4 boards to transfer data: the ...

Dreamer3D · 2024-09-05

I did not change anything on the transmiter, and I change to 0xff the memeset on the receiver. But it still not work. The data is only OK on the first itteration.I saw something from a forum on community.st.com about clearing the buffer. It migth be ...

Dreamer3D · 2024-09-05

I have two different problems :1) I can receive data from the transmiter when using DMA, but not with Interupt, using the exact code2) When I receive data using DMA, the data is alterd, an '\0' added at the begening of my message. This happens after ...

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Impossible to receive data in loop using SPI with interupt

\0 is added in the front of my message when using HAL_SPI_Receive_DMA()

Data received altered after some itteration using HAL_SPI_Receive_DMA()

Re: \0 is added in the front of my message when using HAL_SPI_Receive_DMA()

Re: \0 is added in the front of my message when using HAL_SPI_Receive_DMA()

Message altered when reading data on SPI using two borads on Master-Slave configuration

Re: \0 is added in the front of my message when using HAL_SPI_Receive_DMA()

Re: Impossible to receive data in loop using SPI with interupt