Hi,
I have a question in connection of the AD9361 chip. I have found sourcefiles on analogdevice github, and I would like to get more information about the parameters in the AD9361: sw/main.c Source File
Could you please send me a link, where can I find more information about what and how these parameters affect?
There is a 6 element array among the parameters:
{983040000, 245760000, 122880000, 61440000, 30720000, 30720000},//uint32_t rx_path_clock_frequencies[6] *** adi,rx-path-clock-frequencies
Which clock drives what?
The parameters:
82AD9361_InitParam default_init_param = {
83 /* Identification number */
86 40000000UL, //reference_clk_rate
88 1, //two_rx_two_tx_mode_enable *** adi,2rx-2tx-mode-enable
89 1, //frequency_division_duplex_mode_enable *** adi,frequency-division-duplex-mode-enable
90 0, //tdd_use_dual_synth_mode_enable *** adi,tdd-use-dual-synth-mode-enable
91 0, //tdd_skip_vco_cal_enable *** adi,tdd-skip-vco-cal-enable
92 0, //tx_fastlock_delay_ns *** adi,tx-fastlock-delay-ns
93 0, //rx_fastlock_delay_ns *** adi,rx-fastlock-delay-ns
94 0, //rx_fastlock_pincontrol_enable *** adi,rx-fastlock-pincontrol-enable
95 0, //tx_fastlock_pincontrol_enable *** adi,tx-fastlock-pincontrol-enable
96 0, //external_rx_lo_enable *** adi,external-rx-lo-enable
97 0, //external_tx_lo_enable *** adi,external-tx-lo-enable
98 5, //dc_offset_tracking_update_event_mask *** adi,dc-offset-tracking-update-event-mask
99 6, //dc_offset_attenuation_high_range *** adi,dc-offset-tracking-update-event-mask
100 5, //dc_offset_attenuation_low_range *** adi,dc-offset-tracking-update-event-mask
101 0x28, //dc_offset_count_high_range *** adi,dc-offset-tracking-update-event-mask
102 0x32, //dc_offset_count_low_range *** adi,dc-offset-tracking-update-event-mask
103 0, //tdd_use_fdd_vco_tables_enable *** adi,tdd-use-fdd-vco-tables-enable
104 0, //split_gain_table_mode_enable *** adi,split-gain-table-mode-enable
105 MAX_SYNTH_FREF, //trx_synthesizer_target_fref_overwrite_hz *** adi,trx-synthesizer-target-fref-overwrite-hz
106 0, // qec_tracking_slow_mode_enable *** adi,qec-tracking-slow-mode-enable
108 0, //ensm_enable_pin_pulse_mode_enable *** adi,ensm-enable-pin-pulse-mode-enable
109 0, //ensm_enable_txnrx_control_enable *** adi,ensm-enable-txnrx-control-enable
111 2400000000UL, //rx_synthesizer_frequency_hz *** adi,rx-synthesizer-frequency-hz
112 2400000000UL, //tx_synthesizer_frequency_hz *** adi,tx-synthesizer-frequency-hz
114 {983040000, 245760000, 122880000, 61440000, 30720000, 30720000},//uint32_t rx_path_clock_frequencies[6] *** adi,rx-path-clock-frequencies
115 {983040000, 122880000, 122880000, 61440000, 30720000, 30720000},//uint32_t tx_path_clock_frequencies[6] *** adi,tx-path-clock-frequencies
116 18000000,//rf_rx_bandwidth_hz *** adi,rf-rx-bandwidth-hz
117 18000000,//rf_tx_bandwidth_hz *** adi,rf-tx-bandwidth-hz
119 0, //rx_rf_port_input_select *** adi,rx-rf-port-input-select
120 0, //tx_rf_port_input_select *** adi,tx-rf-port-input-select
121 /* TX Attenuation Control */
122 10000, //tx_attenuation_mdB *** adi,tx-attenuation-mdB
123 0, //update_tx_gain_in_alert_enable *** adi,update-tx-gain-in-alert-enable
124 /* Reference Clock Control */
125 0, //xo_disable_use_ext_refclk_enable *** adi,xo-disable-use-ext-refclk-enable
126 {8, 5920}, //dcxo_coarse_and_fine_tune[2] *** adi,dcxo-coarse-and-fine-tune
127 0, //clk_output_mode_select *** adi,clk-output-mode-select
129 2, //gc_rx1_mode *** adi,gc-rx1-mode
130 2, //gc_rx2_mode *** adi,gc-rx2-mode
131 58, //gc_adc_large_overload_thresh *** adi,gc-adc-large-overload-thresh
132 4, //gc_adc_ovr_sample_size *** adi,gc-adc-ovr-sample-size
133 47, //gc_adc_small_overload_thresh *** adi,gc-adc-small-overload-thresh
134 8192, //gc_dec_pow_measurement_duration *** adi,gc-dec-pow-measurement-duration
135 0, //gc_dig_gain_enable *** adi,gc-dig-gain-enable
136 800, //gc_lmt_overload_high_thresh *** adi,gc-lmt-overload-high-thresh
137 704, //gc_lmt_overload_low_thresh *** adi,gc-lmt-overload-low-thresh
138 24, //gc_low_power_thresh *** adi,gc-low-power-thresh
139 15, //gc_max_dig_gain *** adi,gc-max-dig-gain
141 2, //mgc_dec_gain_step *** adi,mgc-dec-gain-step
142 2, //mgc_inc_gain_step *** adi,mgc-inc-gain-step
143 0, //mgc_rx1_ctrl_inp_enable *** adi,mgc-rx1-ctrl-inp-enable
144 0, //mgc_rx2_ctrl_inp_enable *** adi,mgc-rx2-ctrl-inp-enable
145 0, //mgc_split_table_ctrl_inp_gain_mode *** adi,mgc-split-table-ctrl-inp-gain-mode
147 10, //agc_adc_large_overload_exceed_counter *** adi,agc-adc-large-overload-exceed-counter
148 2, //agc_adc_large_overload_inc_steps *** adi,agc-adc-large-overload-inc-steps
149 0, //agc_adc_lmt_small_overload_prevent_gain_inc_enable *** adi,agc-adc-lmt-small-overload-prevent-gain-inc-enable
150 10, //agc_adc_small_overload_exceed_counter *** adi,agc-adc-small-overload-exceed-counter
151 4, //agc_dig_gain_step_size *** adi,agc-dig-gain-step-size
152 3, //agc_dig_saturation_exceed_counter *** adi,agc-dig-saturation-exceed-counter
153 1000, // agc_gain_update_interval_us *** adi,agc-gain-update-interval-us
154 0, //agc_immed_gain_change_if_large_adc_overload_enable *** adi,agc-immed-gain-change-if-large-adc-overload-enable
155 0, //agc_immed_gain_change_if_large_lmt_overload_enable *** adi,agc-immed-gain-change-if-large-lmt-overload-enable
156 10, //agc_inner_thresh_high *** adi,agc-inner-thresh-high
157 1, //agc_inner_thresh_high_dec_steps *** adi,agc-inner-thresh-high-dec-steps
158 12, //agc_inner_thresh_low *** adi,agc-inner-thresh-low
159 1, //agc_inner_thresh_low_inc_steps *** adi,agc-inner-thresh-low-inc-steps
160 10, //agc_lmt_overload_large_exceed_counter *** adi,agc-lmt-overload-large-exceed-counter
161 2, //agc_lmt_overload_large_inc_steps *** adi,agc-lmt-overload-large-inc-steps
162 10, //agc_lmt_overload_small_exceed_counter *** adi,agc-lmt-overload-small-exceed-counter
163 5, //agc_outer_thresh_high *** adi,agc-outer-thresh-high
164 2, //agc_outer_thresh_high_dec_steps *** adi,agc-outer-thresh-high-dec-steps
165 18, //agc_outer_thresh_low *** adi,agc-outer-thresh-low
166 2, //agc_outer_thresh_low_inc_steps *** adi,agc-outer-thresh-low-inc-steps
167 1, //agc_attack_delay_extra_margin_us; *** adi,agc-attack-delay-extra-margin-us
168 0, //agc_sync_for_gain_counter_enable *** adi,agc-sync-for-gain-counter-enable
170 64, //fagc_dec_pow_measuremnt_duration *** adi,fagc-dec-pow-measurement-duration
171 260, //fagc_state_wait_time_ns *** adi,fagc-state-wait-time-ns
172 /* Fast AGC - Low Power */
173 0, //fagc_allow_agc_gain_increase *** adi,fagc-allow-agc-gain-increase-enable
174 5, //fagc_lp_thresh_increment_time *** adi,fagc-lp-thresh-increment-time
175 1, //fagc_lp_thresh_increment_steps *** adi,fagc-lp-thresh-increment-steps
176 /* Fast AGC - Lock Level */
177 10, //fagc_lock_level *** adi,fagc-lock-level */
178 1, //fagc_lock_level_lmt_gain_increase_en *** adi,fagc-lock-level-lmt-gain-increase-enable
179 5, //fagc_lock_level_gain_increase_upper_limit *** adi,fagc-lock-level-gain-increase-upper-limit
180 /* Fast AGC - Peak Detectors and Final Settling */
181 1, //fagc_lpf_final_settling_steps *** adi,fagc-lpf-final-settling-steps
182 1, //fagc_lmt_final_settling_steps *** adi,fagc-lmt-final-settling-steps
183 3, //fagc_final_overrange_count *** adi,fagc-final-overrange-count
184 /* Fast AGC - Final Power Test */
185 0, //fagc_gain_increase_after_gain_lock_en *** adi,fagc-gain-increase-after-gain-lock-enable
186 /* Fast AGC - Unlocking the Gain */
187 /* 0 = MAX Gain, 1 = Optimized Gain, 2 = Set Gain */
188 0, //fagc_gain_index_type_after_exit_rx_mode *** adi,fagc-gain-index-type-after-exit-rx-mode
189 1, //fagc_use_last_lock_level_for_set_gain_en *** adi,fagc-use-last-lock-level-for-set-gain-enable
190 1, //fagc_rst_gla_stronger_sig_thresh_exceeded_en *** adi,fagc-rst-gla-stronger-sig-thresh-exceeded-enable
191 5, //fagc_optimized_gain_offset *** adi,fagc-optimized-gain-offset
192 10, //fagc_rst_gla_stronger_sig_thresh_above_ll *** adi,fagc-rst-gla-stronger-sig-thresh-above-ll
193 1, //fagc_rst_gla_engergy_lost_sig_thresh_exceeded_en *** adi,fagc-rst-gla-engergy-lost-sig-thresh-exceeded-enable
194 1, //fagc_rst_gla_engergy_lost_goto_optim_gain_en *** adi,fagc-rst-gla-engergy-lost-goto-optim-gain-enable
195 10, //fagc_rst_gla_engergy_lost_sig_thresh_below_ll *** adi,fagc-rst-gla-engergy-lost-sig-thresh-below-ll
196 8, //fagc_energy_lost_stronger_sig_gain_lock_exit_cnt *** adi,fagc-energy-lost-stronger-sig-gain-lock-exit-cnt
197 1, //fagc_rst_gla_large_adc_overload_en *** adi,fagc-rst-gla-large-adc-overload-enable
198 1, //fagc_rst_gla_large_lmt_overload_en *** adi,fagc-rst-gla-large-lmt-overload-enable
199 0, //fagc_rst_gla_en_agc_pulled_high_en *** adi,fagc-rst-gla-en-agc-pulled-high-enable
200 0, //fagc_rst_gla_if_en_agc_pulled_high_mode *** adi,fagc-rst-gla-if-en-agc-pulled-high-mode
201 64, //fagc_power_measurement_duration_in_state5 *** adi,fagc-power-measurement-duration-in-state5
203 1, //rssi_delay *** adi,rssi-delay
204 1000, //rssi_duration *** adi,rssi-duration
205 3, //rssi_restart_mode *** adi,rssi-restart-mode
206 0, //rssi_unit_is_rx_samples_enable *** adi,rssi-unit-is-rx-samples-enable
207 1, //rssi_wait *** adi,rssi-wait
209 256, //aux_adc_decimation *** adi,aux-adc-decimation
210 40000000UL, //aux_adc_rate *** adi,aux-adc-rate
212 1, //aux_dac_manual_mode_enable *** adi,aux-dac-manual-mode-enable
213 0, //aux_dac1_default_value_mV *** adi,aux-dac1-default-value-mV
214 0, //aux_dac1_active_in_rx_enable *** adi,aux-dac1-active-in-rx-enable
215 0, //aux_dac1_active_in_tx_enable *** adi,aux-dac1-active-in-tx-enable
216 0, //aux_dac1_active_in_alert_enable *** adi,aux-dac1-active-in-alert-enable
217 0, //aux_dac1_rx_delay_us *** adi,aux-dac1-rx-delay-us
218 0, //aux_dac1_tx_delay_us *** adi,aux-dac1-tx-delay-us
219 0, //aux_dac2_default_value_mV *** adi,aux-dac2-default-value-mV
220 0, //aux_dac2_active_in_rx_enable *** adi,aux-dac2-active-in-rx-enable
221 0, //aux_dac2_active_in_tx_enable *** adi,aux-dac2-active-in-tx-enable
222 0, //aux_dac2_active_in_alert_enable *** adi,aux-dac2-active-in-alert-enable
223 0, //aux_dac2_rx_delay_us *** adi,aux-dac2-rx-delay-us
224 0, //aux_dac2_tx_delay_us *** adi,aux-dac2-tx-delay-us
225 /* Temperature Sensor Control */
226 256, //temp_sense_decimation *** adi,temp-sense-decimation
227 1000, //temp_sense_measurement_interval_ms *** adi,temp-sense-measurement-interval-ms
228 0xCE, //temp_sense_offset_signed *** adi,temp-sense-offset-signed
229 1, //temp_sense_periodic_measurement_enable *** adi,temp-sense-periodic-measurement-enable
231 0xFF, //ctrl_outs_enable_mask *** adi,ctrl-outs-enable-mask
232 0, //ctrl_outs_index *** adi,ctrl-outs-index
233 /* External LNA Control */
234 0, //elna_settling_delay_ns *** adi,elna-settling-delay-ns
235 0, //elna_gain_mdB *** adi,elna-gain-mdB
236 0, //elna_bypass_loss_mdB *** adi,elna-bypass-loss-mdB
237 0, //elna_rx1_gpo0_control_enable *** adi,elna-rx1-gpo0-control-enable
238 0, //elna_rx2_gpo1_control_enable *** adi,elna-rx2-gpo1-control-enable
239 /* Digital Interface Control */
240 1, //pp_tx_swap_enable *** adi,pp-tx-swap-enable
241 1, //pp_rx_swap_enable *** adi,pp-rx-swap-enable
242 0, //tx_channel_swap_enable *** adi,tx-channel-swap-enable
243 0, //rx_channel_swap_enable *** adi,rx-channel-swap-enable
244 1, //rx_frame_pulse_mode_enable *** adi,rx-frame-pulse-mode-enable
245 0, //two_t_two_r_timing_enable *** adi,2t2r-timing-enable
246 0, //invert_data_bus_enable *** adi,invert-data-bus-enable
247 0, //invert_data_clk_enable *** adi,invert-data-clk-enable
248 0, //fdd_alt_word_order_enable *** adi,fdd-alt-word-order-enable
249 0, //invert_rx_frame_enable *** adi,invert-rx-frame-enable
250 0, //fdd_rx_rate_2tx_enable *** adi,fdd-rx-rate-2tx-enable
251 0, //swap_ports_enable *** adi,swap-ports-enable
252 0, //single_data_rate_enable *** adi,single-data-rate-enable
253 1, //lvds_mode_enable *** adi,lvds-mode-enable
254 0, //half_duplex_mode_enable *** adi,half-duplex-mode-enable
255 0, //single_port_mode_enable *** adi,single-port-mode-enable
256 0, //full_port_enable *** adi,full-port-enable
257 0, //full_duplex_swap_bits_enable *** adi,full-duplex-swap-bits-enable
258 0, //delay_rx_data *** adi,delay-rx-data
259 0, //rx_data_clock_delay *** adi,rx-data-clock-delay
260 4, //rx_data_delay *** adi,rx-data-delay
261 7, //tx_fb_clock_delay *** adi,tx-fb-clock-delay
262 0, //tx_data_delay *** adi,tx-data-delay
263 150, //lvds_bias_mV *** adi,lvds-bias-mV
264 1, //lvds_rx_onchip_termination_enable *** adi,lvds-rx-onchip-termination-enable
265 0, //rx1rx2_phase_inversion_en *** adi,rx1-rx2-phase-inversion-enable
267 37000, //low_high_gain_threshold_mdB *** adi,txmon-low-high-thresh
268 0, //low_gain_dB *** adi,txmon-low-gain
269 24, //high_gain_dB *** adi,txmon-high-gain
270 0, //tx_mon_track_en *** adi,txmon-dc-tracking-enable
271 0, //one_shot_mode_en *** adi,txmon-one-shot-mode-enable
272 511, //tx_mon_delay *** adi,txmon-delay
273 8192, //tx_mon_duration *** adi,txmon-duration
274 2, //tx1_mon_front_end_gain *** adi,txmon-1-front-end-gain
275 2, //tx2_mon_front_end_gain *** adi,txmon-2-front-end-gain
276 48, //tx1_mon_lo_cm *** adi,txmon-1-lo-cm
277 48, //tx2_mon_lo_cm *** adi,txmon-2-lo-cm
279 -1, //gpio_resetb; /* reset-gpios */
281 -1, //gpio_sync; /* sync-gpios */
282 -1, //gpio_cal_sw1; /* cal-sw1-gpios */
283 -1 //gpio_cal_sw2; /* cal-sw2-gpios */
Kind Regards,
Richard
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