Dan H. wrote:
Discuss-gnuradio mailing list
I replied hours ago from my normal email account, but don’t see it on
list. So I’ll post again from Nabble- forgive me if it shows up twice.
This sounds related to the problems I was seeing after a program ran,
the transmitter kept going. So I made that FPGA patch that zeroes out
the DACs (somewhat indirectly- it’s early in the TX path) whenever the
FIFO empties. The way I understand it (correct me if I’m wrong),
some/most of the applications just disable the transmitter rather than
waiting for the buffer to empty- and in those cases, the transmitter
keeps going. So in my tests, if I ctrl+c’d, the transmitter quit going,
but if I let the program terminate normally, it kept going.
Short of a complicated FPGA modification, the changes have to be made in
the various parts of the code to let the FIFO empty before disabling.
Perhaps Eric or Matt can comment further or tell you that I’m wrong.
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