[GPS_Standard] Command strings

[Rex Pearson]

Have got the unit working and can send the "P" command to get to get the
status string but it seems to respond very intermittently.  I get the data
from the PIC regularly at about a 20 sec interval.

 

I have not been able to get the "Txxx" command to do anything.  Have been
sending T0100 to try to force the DAC to a value.

 

I can see the receive data pin on the 18F2220 changing ok.

 

Has anybody experienced this problem and would appreciate any suggestions

 

Thanks

 

Rex