diff options
Diffstat (limited to 'host/lib/rfnoc/ddc_block_control.cpp')
| -rw-r--r-- | host/lib/rfnoc/ddc_block_control.cpp | 26 |
1 files changed, 14 insertions, 12 deletions
diff --git a/host/lib/rfnoc/ddc_block_control.cpp b/host/lib/rfnoc/ddc_block_control.cpp index abf8d1f7b..99a00dd1d 100644 --- a/host/lib/rfnoc/ddc_block_control.cpp +++ b/host/lib/rfnoc/ddc_block_control.cpp @@ -34,21 +34,22 @@ constexpr uint32_t REG_CHAN_OFFSET = 2048; using namespace uhd::rfnoc; -const uint16_t ddc_block_control::MINOR_COMPAT = 0; +const uint16_t ddc_block_control::MINOR_COMPAT = 1; const uint16_t ddc_block_control::MAJOR_COMPAT = 0; const uint32_t ddc_block_control::RB_COMPAT_NUM = 0; // read this first const uint32_t ddc_block_control::RB_NUM_HB = 8; const uint32_t ddc_block_control::RB_CIC_MAX_DECIM = 16; -const uint32_t ddc_block_control::SR_N_ADDR = 128 * 8; -const uint32_t ddc_block_control::SR_M_ADDR = 129 * 8; -const uint32_t ddc_block_control::SR_CONFIG_ADDR = 130 * 8; -const uint32_t ddc_block_control::SR_FREQ_ADDR = 132 * 8; -const uint32_t ddc_block_control::SR_SCALE_IQ_ADDR = 133 * 8; -const uint32_t ddc_block_control::SR_DECIM_ADDR = 134 * 8; -const uint32_t ddc_block_control::SR_MUX_ADDR = 135 * 8; -const uint32_t ddc_block_control::SR_COEFFS_ADDR = 136 * 8; +const uint32_t ddc_block_control::SR_N_ADDR = 128 * 8; +const uint32_t ddc_block_control::SR_M_ADDR = 129 * 8; +const uint32_t ddc_block_control::SR_CONFIG_ADDR = 130 * 8; +const uint32_t ddc_block_control::SR_FREQ_ADDR = 132 * 8; +const uint32_t ddc_block_control::SR_SCALE_IQ_ADDR = 133 * 8; +const uint32_t ddc_block_control::SR_DECIM_ADDR = 134 * 8; +const uint32_t ddc_block_control::SR_MUX_ADDR = 135 * 8; +const uint32_t ddc_block_control::SR_COEFFS_ADDR = 136 * 8; +const uint32_t ddc_block_control::SR_TIME_INCR_ADDR = 137 * 8; class ddc_block_control_impl : public ddc_block_control { @@ -478,11 +479,12 @@ private: // Rate change = M/N _ddc_reg_iface.poke32(SR_N_ADDR, decim, chan); - // FIXME: - // - eiscat DDC had a real mode, where M needed to be 2 - // - TwinRX had some issues with M == 1 _ddc_reg_iface.poke32(SR_M_ADDR, 1, chan); + // Configure time increment in ticks per M output samples + _ddc_reg_iface.poke32(SR_TIME_INCR_ADDR, + uint32_t(get_tick_rate()/get_output_rate(chan)), chan); + if (cic_decim > 1 and hb_enable == 0) { RFNOC_LOG_WARNING( "The requested decimation is odd; the user should expect passband " |