Yes, software SPI is what you need to use if the hardware SPI pins are not available. The fact that when using software SPI you pass the pin numbers for SCLK and MOSI suggests to me that you can pick whichever pins you like for those.
Yes, software SPI is what you need to use if the hardware SPI pins are not available. The fact that when using software SPI you pass the pin numbers for SCLK and MOSI suggests to me that you can pick whichever pins you like for those.