On Wed, Sep 16, 2009 at 04:40:33PM -0300, Tiago Rogério Mück wrote: > Hello, > > We are working on a custom FPGA build that is going to need more then > the 32 registers available for user's builds. I looked at > fpga_regs_standard.v/fpga_regs_common.v and > seems that the registers 96-127 are not being used. Is there a problem > in using these registers ? Or in extending the registers address space > beyond 127?
You should be good up to 127. The host code, the FX2 firmware and the FPGA code limit the register number to 7-bits (1 bit is used to code for read vs write in the SPI transaction that is used to read or write the FPGA registers). Eric _______________________________________________ Discuss-gnuradio mailing list [email protected] http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
