[arm-allstar] help with bcd_control_usb_fob.sh script

Jeff Jurenka ayrton.productions at gmail.com
Mon Dec 11 17:22:57 EST 2023


I need basic help understanding the bit mapping in the *bcd_control_usb_fob.sh
*script.

The USB-RIM Lite (Maxtrac) has GPIO 5,6,7,8 connected via buffer
transistors to pins 6, 8, 14 and 12 on the 16 pin option connector on the
GM300.
I'm using 4 lines for radio channel steering of all 16 channels. Besides
programming the ACCESSORY CONNECTOR CONFIG on GM300 radio as follows:

PINS     DESCRIPTION               DATA DIR    BEBOUNCE    ACT LEVEL
4            EXTERNAL ALARM      Output          No                    High
6            CHANNEL SELECT 1    Input            No                    Low
8            CHANNEL SELECT 2    Input            No                    Low
9            EMERGENCY SWITCH Output         Yes                  high
12          CHANNEL SELECT 4    Input            No                    Low
14          CHANNEL SELECT 3    Input            No                    Low

How do I "map the bits in the *bcd_control_usb_fob.sh *script?

#JEFF bit1=1
#JEFF bit2=2
#JEFF bit4=4
#JEFF bit8=5

bit1=5
bit2=6
bit4=7
bit8=8

Thank you.

Jeff KD6GDB



 What exactly do i need to configure


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