DNF Controls GC-32 GPIO Controller - Manual (Page 6)

Page 6 of 14
GPI Control, Single GPI
Command= 0x40
Data:
GPI# 0x01 through 0x20
GPI Debounce 0x00 – 0xFF (Internally, debounce time is multiplied by 10ms)
Send 44.4E.46.40.03.0A to set GPI#3’s debounce time to 100ms
GC-32 will respond with ACK
GPI Control, All GPIs
Command= 0x41
Data:
0x01
GPI Debounce 0x00 – 0xFF (Internally, debounce time is multiplied by 10ms)
Send 44.4E.46.40.03.0A to set all GPI debounce times to 100ms
GC-32 will respond with ACK
GPI Status, Single GPI Request status for a single GPI
Command= 0x50
Data:
GPI# 0x01 through 0x20
The GC-32 will respond with 44.4E.46.70.gg.xx.yy where gg= the specified GPI number and
xx.yy is the GPI’s 16 bit count value in MSB..LSB format. An even number indicates that the
GPI is currently off. An odd number indicates that the GPI is on. The count will increment
each time the GPI changes state.