About IRodr.2

IRodr.2 · 2021-06-10

Hello to everyone. I'm creating a project where i need to communicate via SPI. My main board, is configured as full duplex Master, and i have other STM working as full duplex slave. But, i have a problem. If i configure the boards to just have one fu...

IRodr.2 · 2021-05-29

Hi,I'm trying to use SPI to communicate between two boards. On the MASTER side, i am using the HAL_SPI_Transmit(&hspi4, (uint8_t*)TxData,sizeof(TxData),100); and on the slave side i have enabled the interrupt, HAL_SPI_Receive_IT(&hspi4,RxData,1); The...

IRodr.2 · 2021-04-06

Hi, I have two H743ZI2 board. I am trying to send and receive the message with interrupts. When i push the blue button it send the message. But the message is never received.... I already check everything but i can't find the error. I am using a MCP2...

IRodr.2 · 2021-06-10

hmmmm.... But i already send to you all the code that i wrote..... The goal is, when i click the blue button on the board, it starts to transmit the data..... and with the interrupt it would receive the message

IRodr.2 · 2021-06-10

Hi, thanks for your answer. The data here is dummy just for test porpuses, but it will be important in the future. What part of the code do you think it would be usefull?

IRodr.2 · 2021-05-31

thanks! i found the solution. I didn't set neither the pullup or pulldown. After i set as pulldown it started working properly. Thank you all.

IRodr.2 · 2021-05-30

I am not using as far as i know CS....

IRodr.2 · 2021-05-30

Hi, thanks for your response. I dint' get the point... i am only sending 0x01, and have a buffer size of 1 on the Slave side.

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SPI always calling callback

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Can't exchange messages FDCAN STM32H743ZI2

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