Is there any one here who successfully tried controlling SPI CS using a GPIO ?
When I set SPI_NO_CS option, it throws error “Error: Invalid argument”.
unsigned mode = 0x3 | SPI_NO_CS;
ioctl(spi_fd, SPI_IOC_WR_MODE, &mode);
Is there a way to resolve this ? Thanks.
This is part of my bigger issue where one of my custom board having STM32F4 properly does SPI communication with nano using Jetpack 4.3, but doesn’t work with Jetpack 4.4 or 4.5.
Same SPI test and board on 2 different Jetpack!.
The issue is repeatable always!
I wanted to try some debugging steps by trying to manually control CS.