On Sat, Mar 11, 2006 at 07:41:02AM -0800, Angilberto Muniz Sb wrote: > I think I've got it, Eric. > > According to "usrp_standard.h" the set_mux method > understand the mux value a differente way... > > BTW does the same mux value works for rx way? > > Angilberto.
The Tx and Rx mux work differently. from class usrp_standard_rx: /*! * \brief Set input mux configuration. * * This determines which ADC (or constant zero) is connected to * each DDC input. There are 4 DDCs. Each has two inputs. * * <pre> * Mux value: * * 3 2 1 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 * +-------+-------+-------+-------+-------+-------+-------+-------+ * | Q3 | I3 | Q2 | I2 | Q1 | I1 | Q0 | I0 | * +-------+-------+-------+-------+-------+-------+-------+-------+ * * Each 4-bit I field is either 0,1,2,3 * Each 4-bit Q field is either 0,1,2,3 or 0xf (input is const zero) * All Q's must be 0xf or none of them may be 0xf * </pre> */ bool set_mux (int mux); from class usrp_standard_tx: /*! * \brief Set output mux configuration. * * <pre> * 3 2 1 * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 * +-------------------------------+-------+-------+-------+-------+ * | | DAC3 | DAC2 | DAC1 | DAC0 | * +-------------------------------+-------+-------+-------+-------+ * * There are two interpolators with complex inputs and outputs. * There are four DACs. * * Each 4-bit DACx field specifies the source for the DAC and * whether or not that DAC is enabled. Each subfield is coded * like this: * * 3 2 1 0 * +-+-----+ * |E| N | * +-+-----+ * * Where E is set if the DAC is enabled, and N specifies which * interpolator output is connected to this DAC. * * N which interp output * --- ------------------- * 0 chan 0 I * 1 chan 0 Q * 2 chan 1 I * 3 chan 1 Q * </pre> */ bool set_mux (int mux); _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
