Task1 Mutex on t.length=128*8; t.tx_buffer=sendbuf; t.rx_buffer=recvbuf; ret=spi_slave_transmit(RCV_HOST, &t, portMAX_DELAY); Mutex off Task2 tg.length=128*8; tg.tx_buffer=sendbuf; tg.rx_buffer=recvbuf; ret=spi_slave_transmit(RCV_HOST, &tg, portMAX_DELAY); Attention question. Why if I send from any ...

How to receive SPI data by interrupt. Not by Gpio_ss, but as bytes arrive in the hardware bus. Slave.

Do you have any ideas how you can implement such an algorithm over the SPI bus.since the master needs to have up-to-date latest data at the time of their receipt.

Thanks for the explanation!

I am in the function with the maximum delay waiting for the master to send me data in order to send him the data stored in sendbufer in response. But while I was waiting, I decided to change the data in sendbufer. The question is what data will go to the master new or previous. Task1 t.length=128*8;...

Great! But if I need to block the interrupt only on the GPIO13 and do not touch the rest and it should be in the task

I have a section of code where it is impossible for an interrupt to work. How can this be implemented? For example, the
instruction 1
instruction 2
disable interrupt
main instruction
enable interrupt
...