Mity CPU Platforms » MitySOM-5CSX Altera Cyclone V

09/20/2017

BW 08:30 PM Software Development: spi mode error

I'm trying to uses the hps spi controller and am getting an error trying to set the spi mode. I'm using spidev and when I run this code:
ret = ioctl(fd, SPI_IOC_WR_MODE, SPI_MODE_1);
if (ret == -1)
pabort("can't get spi mode");
... Brian Wentworth

09/18/2017

NH 05:54 PM Software Development: RE: Using EEPROM available on MitySOM-5CSX

Update: Thanks to your help we have been able to successfully use a partition of the QSPI NOR flash to store critical system information. There was a change of formatting for the device tree between kernel versions such that after updati... Nicholas Herbert