diff options
Diffstat (limited to 'firmware/microblaze')
| -rw-r--r-- | firmware/microblaze/apps/txrx.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/firmware/microblaze/apps/txrx.c b/firmware/microblaze/apps/txrx.c index bc8598768..686fda2fd 100644 --- a/firmware/microblaze/apps/txrx.c +++ b/firmware/microblaze/apps/txrx.c @@ -386,6 +386,61 @@ void handle_udp_ctrl_packet( ctrl_data_out.id = USRP2_CTRL_ID_DONE_WITH_THAT_AUX_ADC_DUDE; break; + /******************************************************************* + * DDC + ******************************************************************/ + case USRP2_CTRL_ID_SETUP_THIS_DDC_FOR_ME_BRO: + dsp_rx_regs->freq = ctrl_data_in->data.ddc_args.freq_word; + + //setup the interp and half band filters + { + uint32_t decim = ctrl_data_in->data.ddc_args.decim; + uint32_t hb1 = 0; + uint32_t hb2 = 0; + if (!(decim & 1)){ + hb2 = 1; + decim = decim >> 1; + } + if (!(decim & 1)){ + hb1 = 1; + decim = decim >> 1; + } + uint32_t decim_word = (hb1<<9) | (hb2<<8) | decim; + dsp_rx_regs->decim_rate = decim_word; + printf("Decim: %d, register %d\n", ctrl_data_in->data.ddc_args.decim, decim_word); + } + + ctrl_data_out.id = USRP2_CTRL_ID_TOTALLY_SETUP_THE_DDC_DUDE; + break; + + /******************************************************************* + * DUC + ******************************************************************/ + case USRP2_CTRL_ID_SETUP_THIS_DUC_FOR_ME_BRO: + dsp_tx_regs->freq = ctrl_data_in->data.duc_args.freq_word; + dsp_tx_regs->scale_iq = ctrl_data_in->data.duc_args.scale_iq; + + //setup the interp and half band filters + { + uint32_t interp = ctrl_data_in->data.duc_args.interp; + uint32_t hb1 = 0; + uint32_t hb2 = 0; + if (!(interp & 1)){ + hb2 = 1; + interp = interp >> 1; + } + if (!(interp & 1)){ + hb1 = 1; + interp = interp >> 1; + } + uint32_t interp_word = (hb1<<9) | (hb2<<8) | interp; + dsp_tx_regs->interp_rate = interp_word; + printf("Interp: %d, register %d\n", ctrl_data_in->data.duc_args.interp, interp_word); + } + + ctrl_data_out.id = USRP2_CTRL_ID_TOTALLY_SETUP_THE_DUC_DUDE; + break; + default: ctrl_data_out.id = USRP2_CTRL_ID_HUH_WHAT; |