iPod IWIP3G User Guide - Page 110
Set Control Cd
UPC - 649241862819
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6.15 SET CONTROL CD This command enables or disables the carrier detect signal (CD) in iWRAP. Carrier detect signal can be used to indicate that iWRAP has an active Bluetooth connection. With "SET CONTROL CD" command, one PIO line can be configured to act as a CD signal. 6.15.1 Syntax Synopsis: SET CONTROL CD {cd_mask} {datamode} Description: cd_mask datamode This is a bit mask, which defines the GPIO lines used for CD signaling For example, value 20 (HEX) must be used for PIO5. 20 (HEX) = 100000 (BIN) For PIO6, the value is 40 40 (HEX) = 1000000 (BIN) This parameter defines how the carrier detect signal works. 0 CD signal is driven high if there are one or more connections. 1 CD signal is driven high only in data mode. Events: SYNTAX ERROR This event occurs if incorrect parameters are given List format: SET CONTROL CD {cd_mask} {datamode} 110