typedef enum { SENSECORE_DIOA, SENSECORE_DIOB, SENSECORE_DIOC, SENSECORE_DIOD, SENSECORE_TXA, SENSECORE_TXB, SENSECORE_TXC, SENSECORE_TXD, SENSECORE_CSA, SENSECORE_CSB, SENSECORE_CSC, SENSECORE_CSD, SENSECORE_RXA, SENSECORE_RXB, SENSECORE_RXC, SENSECORE_RXD } SENSECORE_BUS_SIGNAL_t;
SENSECORE_BUS_SIGNAL_t enumerates the sixteen signals that the I/O expander provides.