User Manual

CDriver User Guide 15

5 Using I

CDriver

5.1 The display

The main display on the screen has three sections. The top section is a heat-

map showing all 112 legal I

C addresses. Devices that are currently active

are white. Inactive devices fade to yellow, purple and ﬁnally blue. The middle

section is a symbolic interpretation of current I

C trafﬁc. Details on this are

below. The bottom two lines show a representation of the SDA (blue) and SCL

(yellow) signals.

The symbolic decode section shows I

C transactions as they happen. Start

and stop are shown as S and P symbols. After a S symbol the address

byte is shown, with a right arrow (write) or left arrow (read). There are gray

lines connecting the address byte to its heat-map indicator. Following this is a

series of data bytes. Each byte is shown in hex, with either a green dot (ACK)