22 volatile unsigned char *
const base;
24 MRMSPI(
volatile unsigned char *base);
27 virtual void select(
unsigned id) OVERRIDE FINAL;
28 virtual epicsUInt8
cycle(epicsUInt8 in) OVERRIDE FINAL;
virtual epicsUInt8 cycle(epicsUInt8 in)=0
virtual void select(unsigned id)=0
Select numbered device. 0 clears selection.
Interface for SPI Master.