{ "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "planned_cases": 18, "executed_cases": 18, "passed_cases": 18, "full_matrix_pass": true, "cases": [ { "pass": true, "failures": [], "production": { "case": 0, "fault": 0, "emg": 10041, "foot": 263, "shank": 252, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 61, "udp": 1123, "discarded": 0, "writes": 85, "syncs": 4, "closes": 1, "pages": 192 }, "saved_record_count": 10558, "saved_bytes": 679808, "quality": { "source_sha256": "7595ded38e93e04740bba797800a985357dff1a7a96ef9226fe6ca536a020d47", "synthetic": true, "counts": { "emg": 10041, "foot": 263, "shank": 252, "status": 1, "end": 1 }, "session_finalized": true, "structurally_complete": true, "no_detected_sample_loss": true, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 515, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7983.860514640921, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 10041, "foot_records": 263, "shank_records": 252, "battery_mv": 3800, "queue_high_water": 61 }, "issues": [], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 1123, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 1 }, "error": null, "session": "848f9845-af346559", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 263, "timestamp_us": 2185001, "flags": 2 }, "shank": { "accel_g": [ 0.0009765625, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 252, "timestamp_us": 2185002, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 10041, "foot_records": 263, "shank_records": 252, "battery_mv": 3800, "queue_high_water": 61 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_db240349.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 10557, "ended": true, "first_sequence": { "2": 1, "7": 1, "3": 1 }, "sequence_gaps": { "7": 1 }, "stop_reason": 0 }, "udp_packets": 1123, "source_sha256": "e02b62a04e16270a11d6cd84723bbc410af0314d22e6bb389b3fb99eb9b2fc3a", "case": "normal", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "0373e61464793f511b677504c931a176d8efff8e6cf4babee8454cfe9db77947", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 1, "fault": 0, "emg": 10041, "foot": 263, "shank": 252, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 421, "udp": 1081, "discarded": 0, "writes": 85, "syncs": 4, "closes": 1, "pages": 192 }, "saved_record_count": 10558, "saved_bytes": 679808, "quality": { "source_sha256": "e63d98512dc3d89abdffc340d6f2418f6439653b9e19186ccdd165d84670a5a5", "synthetic": true, "counts": { "emg": 10041, "foot": 263, "shank": 252, "status": 1, "end": 1 }, "session_finalized": true, "structurally_complete": true, "no_detected_sample_loss": true, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 515, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7983.866863453611, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 10041, "foot_records": 263, "shank_records": 252, "battery_mv": 3800, "queue_high_water": 421 }, "issues": [], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 1081, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 345 }, "error": null, "session": "2336f23f-81898384", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 263, "timestamp_us": 2185001, "flags": 2 }, "shank": { "accel_g": [ 0.0009765625, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 252, "timestamp_us": 2185002, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 10041, "foot_records": 263, "shank_records": 252, "battery_mv": 3800, "queue_high_water": 421 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_f83a5395.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 10213, "ended": true, "first_sequence": { "2": 1, "7": 1, "3": 1 }, "sequence_gaps": { "7": 330, "2": 7, "3": 8 }, "stop_reason": 0 }, "udp_packets": 1081, "source_sha256": "6ba58d40c5056ae09d97f0f6f0dfe84da257e7b68084daf3a7c86e2a03028521", "case": "write-delay-50ms", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "4223920c84437526f83dcd7eea8b64c83b81686c04f52d1a3638a10084145f1b", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 2, "fault": 2, "emg": 2063, "foot": 63, "shank": 52, "missed": 0, "dropped": 1, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 2048, "udp": 27, "discarded": 0, "writes": 20, "syncs": 3, "closes": 1, "pages": 192 }, "saved_record_count": 2178, "saved_bytes": 143488, "quality": { "source_sha256": "55a582e5fe20bf63dcf5421c9d1cc35c8b58b9dcd4fd38f4b66fb692ec28484a", "synthetic": true, "counts": { "emg": 2062, "foot": 63, "shank": 52, "status": 0, "end": 1 }, "session_finalized": true, "structurally_complete": false, "no_detected_sample_loss": false, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 115, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7983.915953886203, "last_status": { "timer_missed": 0, "queue_dropped": 1, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 2063, "foot_records": 63, "shank_records": 52, "battery_mv": 3800, "queue_high_water": 2048 }, "issues": [ { "kind": "counter_mismatch", "stream": "emg", "reported": 2063, "decoded": 2062 }, { "kind": "abnormal_stop", "reason": 2 } ], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 27, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 1905 }, "error": null, "session": "3b93f024-b78402c8", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 44, "timestamp_us": 1090001, "flags": 2 }, "shank": { "accel_g": [ 0.0009765625, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 33, "timestamp_us": 1090002, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 1, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 2063, "foot_records": 63, "shank_records": 52, "battery_mv": 3800, "queue_high_water": 2048 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_677c028b.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 273, "ended": true, "first_sequence": { "2": 1, "7": 1, "3": 1 }, "sequence_gaps": { "7": 1582, "2": 28, "3": 28 }, "stop_reason": 2 }, "udp_packets": 27, "source_sha256": "0140e4481f7d7838f421d98fb8fcc119dacf86b74312a5be3de46f6bc458114e", "case": "queue-stall-350ms", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "4626ea588428efcd78d9a029188f17f0aef9f6e0fe454785196d9430c9fc5b96", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 3, "fault": 1, "emg": 234, "foot": 17, "shank": 6, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 12, "udp": 34, "discarded": 0, "writes": 3, "syncs": 1, "closes": 1, "pages": 192 }, "saved_record_count": 128, "saved_bytes": 12288, "quality": { "source_sha256": "adfb730fddd6141f0bc50030f6c11e6bad6331572f65ceae86c532d0e331b838", "synthetic": true, "counts": { "emg": 111, "foot": 14, "shank": 3, "status": 0, "end": 0 }, "session_finalized": false, "structurally_complete": false, "no_detected_sample_loss": false, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 17, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7984.321695579589, "last_status": null, "issues": [ { "kind": "missing_end", "message": "Unfinalized session; trailing samples may be lost." } ], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 34, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 0 }, "error": null, "session": "2a4b3c8e-de2de8b5", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 17, "timestamp_us": 955001, "flags": 2 }, "shank": { "accel_g": [ 0.0009765625, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 6, "timestamp_us": 955002, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 234, "foot_records": 17, "shank_records": 6, "battery_mv": 3800, "queue_high_water": 12 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_ad112b16.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 257, "ended": true, "first_sequence": { "2": 1, "7": 1, "3": 1 }, "sequence_gaps": {}, "stop_reason": 1 }, "udp_packets": 34, "source_sha256": "83cece88806befed019357955113a6ac0417d11c592b8215a19cd24ec89d5fb6", "case": "storage-write-error", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "d3e65fa64fc3c993df15a39a1b690a7ec02a861db3e2971abd5d0619de85ddc4", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 4, "fault": 7, "emg": 3187, "foot": 91, "shank": 80, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 61, "udp": 363, "discarded": 0, "writes": 29, "syncs": 3, "closes": 1, "pages": 192 }, "saved_record_count": 3359, "saved_bytes": 219072, "quality": { "source_sha256": "bcefadce3cd49b51698f3b7a70f5cdb88b005a2935debe81a6532962cb274014", "synthetic": true, "counts": { "emg": 3187, "foot": 91, "shank": 80, "status": 0, "end": 1 }, "session_finalized": true, "structurally_complete": false, "no_detected_sample_loss": false, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 171, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7983.841866805661, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 3187, "foot_records": 91, "shank_records": 80, "battery_mv": 3800, "queue_high_water": 61 }, "issues": [ { "kind": "abnormal_stop", "reason": 7 } ], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 363, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 0 }, "error": null, "session": "604b434e-a7fd050b", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 91, "timestamp_us": 1325001, "flags": 2 }, "shank": { "accel_g": [ 0.0009765625, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 80, "timestamp_us": 1325002, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 3187, "foot_records": 91, "shank_records": 80, "battery_mv": 3800, "queue_high_water": 61 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_b09b96b9.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 3359, "ended": true, "first_sequence": { "2": 1, "7": 1, "3": 1 }, "sequence_gaps": {}, "stop_reason": 7 }, "udp_packets": 363, "source_sha256": "2e1f74883af732892c502b38dea0c3c9d9c95586ae04e91c8897444afd0468cd", "case": "usb-attached-during-recording", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "0ef392ea7aa04a0ca9a7ef81dbad20c9a276627e4881e55ade92b00ee994d46f", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 5, "fault": 4, "emg": 24005, "foot": 612, "shank": 601, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 62, "udp": 2697, "discarded": 0, "writes": 200, "syncs": 6, "closes": 1, "pages": 192 }, "saved_record_count": 25222, "saved_bytes": 1618304, "quality": { "source_sha256": "0aff9901a827a413c207c83f0b542f9e80250aed7d36bd01613ceb10e9625cb9", "synthetic": true, "counts": { "emg": 24005, "foot": 612, "shank": 601, "status": 3, "end": 1 }, "session_finalized": true, "structurally_complete": false, "no_detected_sample_loss": false, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 1213, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7983.787629386485, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 24005, "foot_records": 612, "shank_records": 601, "battery_mv": 3200, "queue_high_water": 62 }, "issues": [ { "kind": "abnormal_stop", "reason": 4 } ], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 2697, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 1 }, "error": null, "session": "ac9cf221-e17c96dc", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 612, "timestamp_us": 3930001, "flags": 2 }, "shank": { "accel_g": [ 0.0009765625, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 601, "timestamp_us": 3930002, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 24005, "foot_records": 612, "shank_records": 601, "battery_mv": 3200, "queue_high_water": 62 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_47217555.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 25221, "ended": true, "first_sequence": { "2": 1, "7": 1, "3": 1 }, "sequence_gaps": { "7": 1 }, "stop_reason": 4 }, "udp_packets": 2697, "source_sha256": "f9a8491a1f5d6c3d34a9cd6f7c8e761fa5a40fa2eb24b751845c91f3acca5e55", "case": "battery-low", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "ae35ac0539b410c961dad1b9f386f048bc6a30c22075d6f3a6ed4f6ab0e574de", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 6, "fault": 6, "emg": 0, "foot": 11, "shank": 0, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 1, "queue_peak": 11, "udp": 5, "discarded": 0, "writes": 3, "syncs": 3, "closes": 1, "pages": 192 }, "saved_record_count": 12, "saved_bytes": 4864, "quality": { "source_sha256": "ef594f95db8a74c2b6a21daa0fa63f8702396a2482e2c1a813e06e07a79559ab", "synthetic": true, "counts": { "emg": 0, "foot": 11, "shank": 0, "status": 0, "end": 1 }, "session_finalized": true, "structurally_complete": false, "no_detected_sample_loss": false, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 11, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": null, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 1, "emg_records": 0, "foot_records": 11, "shank_records": 0, "battery_mv": 3800, "queue_high_water": 11 }, "issues": [ { "kind": "missing_stream", "stream": "emg" }, { "kind": "missing_stream", "stream": "shank" }, { "kind": "abnormal_stop", "reason": 6 } ], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 5, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 0 }, "error": null, "session": "2af0e059-a016668a", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 11, "timestamp_us": 925001, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 1, "emg_records": 0, "foot_records": 11, "shank_records": 0, "battery_mv": 3800, "queue_high_water": 11 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_6c1bec6c.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 12, "ended": true, "first_sequence": { "2": 1 }, "sequence_gaps": {}, "stop_reason": 6 }, "udp_packets": 5, "source_sha256": "e7003cf5d47c7808b905e047d842f3dcb518f6b416fe1b31a888ae00057207ad", "case": "adc-stuck-busy", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "3aae77f7054b53cc8450ae9e06bae804f45c490872824d8f673d048e34840c92", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 7, "fault": 3, "emg": 0, "foot": 0, "shank": 0, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 1, "adc_errors": 0, "queue_peak": 0, "udp": 4, "discarded": 0, "writes": 2, "syncs": 3, "closes": 1, "pages": 192 }, "saved_record_count": 1, "saved_bytes": 4160, "quality": { "source_sha256": "c6c9c007848ef7687281cbece3da24c8bb0c0c0e68aaaf021702581490f3cb1d", "synthetic": true, "counts": { "emg": 0, "foot": 0, "shank": 0, "status": 0, "end": 1 }, "session_finalized": true, "structurally_complete": false, "no_detected_sample_loss": false, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 0, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": null, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 1, "adc_errors": 0, "emg_records": 0, "foot_records": 0, "shank_records": 0, "battery_mv": 3800, "queue_high_water": 0 }, "issues": [ { "kind": "missing_stream", "stream": "emg" }, { "kind": "missing_stream", "stream": "foot" }, { "kind": "missing_stream", "stream": "shank" }, { "kind": "abnormal_stop", "reason": 3 } ], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 4, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 0 }, "error": null, "session": "cfdcf348-54a51fc3", "imu": {}, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 1, "adc_errors": 0, "emg_records": 0, "foot_records": 0, "shank_records": 0, "battery_mv": 3800, "queue_high_water": 0 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_120efde3.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 1, "ended": true, "first_sequence": {}, "sequence_gaps": {}, "stop_reason": 3 }, "udp_packets": 4, "source_sha256": "220280392051b599344906ae01640786a519be14e46448788301add07776ec2e", "case": "imu-fifo-overflow", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "26f3c0e482f56f6d91965c8f3c400a84cc69acec30c3eb0df111d562f5ae8620", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 8, "fault": 3, "emg": 803, "foot": 0, "shank": 20, "missed": 0, "dropped": 0, "imu_errors": 1, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 52, "udp": 101, "discarded": 0, "writes": 9, "syncs": 3, "closes": 1, "pages": 192 }, "saved_record_count": 824, "saved_bytes": 56832, "quality": { "source_sha256": "632342343f313c0b887a7c6755daf1fba24494bca695fddf7dbe01991cc23302", "synthetic": true, "counts": { "emg": 803, "foot": 0, "shank": 20, "status": 0, "end": 1 }, "session_finalized": true, "structurally_complete": false, "no_detected_sample_loss": false, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 20, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7983.8332354434415, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 1, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 803, "foot_records": 0, "shank_records": 20, "battery_mv": 3800, "queue_high_water": 52 }, "issues": [ { "kind": "missing_stream", "stream": "foot" }, { "kind": "abnormal_stop", "reason": 3 } ], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 101, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 0 }, "error": null, "session": "af81ed2a-9be4ad3a", "imu": { "shank": { "accel_g": [ 0.0009765625, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 20, "timestamp_us": 1025001, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 1, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 803, "foot_records": 0, "shank_records": 20, "battery_mv": 3800, "queue_high_water": 52 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_38d023d3.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 824, "ended": true, "first_sequence": { "7": 1, "3": 1 }, "sequence_gaps": {}, "stop_reason": 3 }, "udp_packets": 101, "source_sha256": "57596ecbe959d769c03937380128c17f25a51df2b1e9a554f25444d301517aae", "case": "imu-missing-interrupt", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "16a71cb0e3026f1a89ce14b29e1238f8a2bb9f4630bbd1ea4e8de9b2fa44e2f6", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 9, "fault": 0, "emg": 10043, "foot": 263, "shank": 252, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 58, "udp": 0, "discarded": 0, "writes": 85, "syncs": 4, "closes": 1, "pages": 192 }, "saved_record_count": 10560, "saved_bytes": 679936, "quality": { "source_sha256": "021f6fa566d1884cfbd271022df73582ff8343acb6292280a69602a93fc754fe", "synthetic": true, "counts": { "emg": 10043, "foot": 263, "shank": 252, "status": 1, "end": 1 }, "session_finalized": true, "structurally_complete": true, "no_detected_sample_loss": true, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 515, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7983.920850897376, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 10043, "foot_records": 263, "shank_records": 252, "battery_mv": 3800, "queue_high_water": 58 }, "issues": [], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 0, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 0 }, "error": null, "session": null, "imu": {}, "health": {} }, "udp_packets": 0, "source_sha256": "51fdc775308c29b89ba4ea389857122f7890fc5c98a2b74ad061ff7ecbe4c14c", "case": "no-wireless-subscriber", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "1e7260fcdbb74706a235e0b8cc882cd34717fd0eb03c81814868677e1c0c8e7f", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 10, "fault": 0, "emg": 10041, "foot": 263, "shank": 252, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 61, "udp": 1123, "discarded": 158, "writes": 85, "syncs": 4, "closes": 1, "pages": 192 }, "saved_record_count": 10558, "saved_bytes": 679808, "quality": { "source_sha256": "59b99e19648117e15db52de90fe91885f6ea1bb6d2d66751190c382f8ce95393", "synthetic": true, "counts": { "emg": 10041, "foot": 263, "shank": 252, "status": 1, "end": 1 }, "session_finalized": true, "structurally_complete": true, "no_detected_sample_loss": true, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 515, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7983.854165838328, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 10041, "foot_records": 263, "shank_records": 252, "battery_mv": 3800, "queue_high_water": 61 }, "issues": [], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 965, "packet_gaps": 158, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 0 }, "error": null, "session": "fefadc4b-4b418d09", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 263, "timestamp_us": 2185001, "flags": 2 }, "shank": { "accel_g": [ 0.0009765625, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 252, "timestamp_us": 2185002, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 10041, "foot_records": 263, "shank_records": 252, "battery_mv": 3800, "queue_high_water": 61 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_47eedb00.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 9034, "ended": true, "first_sequence": { "2": 1, "7": 1, "3": 1 }, "sequence_gaps": { "7": 1457, "2": 34, "3": 33 }, "stop_reason": 0 }, "udp_packets": 965, "source_sha256": "48da9e49d2b6b39ccb7fc9a8f0e01145c275658322107a0a9439e1a8431438d6", "case": "wireless-packet-loss", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "211b719490ba3912f3fa37c4862f1c4d9274cfe80cd0785e489196e59edca5ec", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 11, "fault": 0, "emg": 8776, "foot": 231, "shank": 220, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 61, "udp": 977, "discarded": 0, "writes": 73, "syncs": 2, "closes": 0, "pages": 192 }, "saved_record_count": 8396, "saved_bytes": 541440, "quality": { "source_sha256": "cc168ad8fb63b9a9213b59a3b7ceed3f99651c778553f6a8b26512660713e06b", "synthetic": true, "counts": { "emg": 7984, "foot": 211, "shank": 200, "status": 1, "end": 0 }, "session_finalized": false, "structurally_complete": false, "no_detected_sample_loss": false, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 411, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7983.878226604927, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 8036, "foot_records": 212, "shank_records": 201, "battery_mv": 3800, "queue_high_water": 61 }, "issues": [ { "kind": "missing_end", "message": "Unfinalized session; trailing samples may be lost." }, { "kind": "counter_mismatch", "stream": "emg", "reported": 8036, "decoded": 7984 }, { "kind": "counter_mismatch", "stream": "foot", "reported": 212, "decoded": 211 }, { "kind": "counter_mismatch", "stream": "shank", "reported": 201, "decoded": 200 } ], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 976, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 0 }, "error": null, "session": "6b6a650a-6c037add", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 231, "timestamp_us": 2025001, "flags": 2 }, "shank": { "accel_g": [ 0.0009765625, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 220, "timestamp_us": 2025002, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 8036, "foot_records": 212, "shank_records": 201, "battery_mv": 3800, "queue_high_water": 61 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; 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physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 9218, "ended": false, "first_sequence": { "2": 1, "7": 1, "3": 1 }, "sequence_gaps": {}, "stop_reason": null }, "udp_packets": 976, "source_sha256": "dbeb3b1672879a1bb925b6ad62c2350d8db9453921298b1adf21a3349909009e", "case": "interrupted-recording", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "8654c9ab28b1b731e0f424cbcffc9738538209c9eab00a70821486bc02c52f48", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "refused": true, "reason": "Initialization failed; recording disabled.", "case": "storage-mount-failure", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "b91156298de4584be492e170aa6222de6f1666f11d7bb0ddd272d6e55bd5bf6c", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "refused": true, "reason": "Start refused:", "case": "full-card-refusal", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "febbaf1eb81b871e983588e7af3265f657d7e9bc29457f25672d0cfe40827982", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 14, "fault": 0, "emg": 10041, "foot": 263, "shank": 252, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "queue_peak": 61, "udp": 1123, "discarded": 0, "writes": 85, "syncs": 4, "closes": 1, "pages": 192 }, "saved_record_count": 10558, "saved_bytes": 679808, "quality": { "source_sha256": "d2578d3424defbb3869d6e5441b3c890f62bb4474f9ea61b684ad1fadadcdbdd", "synthetic": true, "counts": { "emg": 10041, "foot": 263, "shank": 252, "status": 1, "end": 1 }, "session_finalized": true, "structurally_complete": true, "no_detected_sample_loss": true, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 515, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": 7983.860514640921, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 10041, "foot_records": 263, "shank_records": 252, "battery_mv": 3800, "queue_high_water": 61 }, "issues": [], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 1123, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 1 }, "error": null, "session": "25954f35-5556b3ff", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 263, "timestamp_us": 2185001, "flags": 2 }, "shank": { "accel_g": [ 0.0009765625, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 252, "timestamp_us": 2185002, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 0, "emg_records": 10041, "foot_records": 263, "shank_records": 252, "battery_mv": 3800, "queue_high_water": 61 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_da2f3547.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 10557, "ended": true, "first_sequence": { "2": 1, "7": 1, "3": 1 }, "sequence_gaps": { "7": 1 }, "stop_reason": 0 }, "udp_packets": 1123, "source_sha256": "1d55cf9827acacb6cf5f796489fc55bd6de1900b692f19fd67bdc957ac7247b0", "case": "filtered-synthetic-emg", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "0d067f72298ecc2ef04389114c35d3605a308896e2b057f175c45d9894c335fd", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "refused": true, "reason": "Initialization failed; recording disabled.", "case": "absent-shank", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "93edc969396d3d85e5ca483629cc3904f81ac1b26ca39ce38285bc51513e4022", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 6, "fault": 6, "emg": 0, "foot": 11, "shank": 0, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 1, "queue_peak": 11, "udp": 5, "discarded": 0, "writes": 3, "syncs": 3, "closes": 1, "pages": 192 }, "saved_record_count": 12, "saved_bytes": 4864, "quality": { "source_sha256": "3f09ea732c7534363fa3a379fb940f7f979bda788abf588b35fe6247da3f0bd7", "synthetic": true, "counts": { "emg": 0, "foot": 11, "shank": 0, "status": 0, "end": 1 }, "session_finalized": true, "structurally_complete": false, "no_detected_sample_loss": false, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 11, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": null, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 1, "emg_records": 0, "foot_records": 11, "shank_records": 0, "battery_mv": 3800, "queue_high_water": 11 }, "issues": [ { "kind": "missing_stream", "stream": "emg" }, { "kind": "missing_stream", "stream": "shank" }, { "kind": "abnormal_stop", "reason": 6 } ], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 5, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 0 }, "error": null, "session": "d9ce8d9e-7df634a8", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 11, "timestamp_us": 925001, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 1, "emg_records": 0, "foot_records": 11, "shank_records": 0, "battery_mv": 3800, "queue_high_water": 11 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_c94f0b38.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 12, "ended": true, "first_sequence": { "2": 1 }, "sequence_gaps": {}, "stop_reason": 6 }, "udp_packets": 5, "source_sha256": "b0612ce9f1b06f3db44be97f6b81105b2ff1e7b06fa3c7f23492260ce1c4fd6e", "case": "adc-busy-stays-low", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "5fb2910e90d27f06e5a030b3ffbacf8b11b623b369a291f94469631d02b66839", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true }, { "pass": true, "failures": [], "production": { "case": 6, "fault": 6, "emg": 0, "foot": 11, "shank": 0, "missed": 0, "dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 1, "queue_peak": 11, "udp": 5, "discarded": 0, "writes": 3, "syncs": 3, "closes": 1, "pages": 192 }, "saved_record_count": 12, "saved_bytes": 4864, "quality": { "source_sha256": "da682a542b28d80f9099ae8f7f4f6a38e5305e421d7f2521c2b7e63aeda2360f", "synthetic": true, "counts": { "emg": 0, "foot": 11, "shank": 0, "status": 0, "end": 1 }, "session_finalized": true, "structurally_complete": false, "no_detected_sample_loss": false, "signal_checks_pass": true, "research_ready": false, "sequence_gaps": { "emg": 0, "foot": 0, "shank": 0 }, "anomalies": { "sequence_regressions": 0, "timestamp_regressions": 0, "emg_clipped_samples": 0, "emg_out_of_range": 0, "imu_invalid_samples": 0, "imu_timestamp_anomalies": 0, "timing_uncertain_records": 11, "flagged_gap_records": 0 }, "emg_observed_skipped_slots": 0, "emg_rate_from_host_timestamps_hz": null, "last_status": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 1, "emg_records": 0, "foot_records": 11, "shank_records": 0, "battery_mv": 3800, "queue_high_water": 11 }, "issues": [ { "kind": "missing_stream", "stream": "emg" }, { "kind": "missing_stream", "stream": "shank" }, { "kind": "abnormal_stop", "reason": 6 } ], "timing_note": "IMU host timestamps are estimates. Internal clock drift and sensor/analog filter delays are uncorrected.", "recovery_note": "Timestamp unwrapping is ambiguous across long gaps; never infer missing cycles after corruption." }, "live": { "stats": { "packets": 5, "packet_gaps": 0, "reordered_or_duplicate": 0, "invalid_packets": 0, "unknown_session_packets": 0, "device_queue_drops": 0 }, "error": null, "session": "6f9ee563-2198996a", "imu": { "foot": { "accel_g": [ 0.00048828125, 0.0, 1.0 ], "gyro_dps": [ 0.0, 0.0, 0.0 ], "sequence": 11, "timestamp_us": 925001, "flags": 2 } }, "health": { "timer_missed": 0, "queue_dropped": 0, "imu_errors": 0, "fifo_overflows": 0, "adc_errors": 1, "emg_records": 0, "foot_records": 11, "shank_records": 0, "battery_mv": 3800, "queue_high_water": 11 }, "metadata": { "hardware_design": "AD7606_TWO_FIXED", "schema": "afo-recorder/3", "adc_model": "AD7606", "adc_bits": 16, "adc_reference_mv": 5000, "adc_reference_measured": false, "input_scale": 1, "input_midpoint_mv": 0, "adc_pga": 1, "adc_osr": 1, "adc_sensor_crc_supported": false, "adc_filter": "oversampling disabled; internal analog filter", "sample_timestamp_event": "CONVST GPIO write software timestamp", "adc_clock_hz": 0, "sd_cmd_gpio": 47, "sd_clk_gpio": 39, "sd_d0_gpio": 40, "firmware": "ad7606-2ch-1.6", "hardware_variant": "breadboard", "synthetic": true, "trial_id": "trial_08daef65.afolog", "clock": "esp_timer_boot_us", "emg_hz": 8000, "imu_hz": 200, "imu_enabled": true, "active_channel_count": 2, "emg_channels": [ "EMG1", "EMG2" ], "calibration_state": "uncalibrated", "simultaneous": true, "accel_range_g": 16, "gyro_range_dps": 2000, "imu_timestamp_tick_us": 1, "imu_timing_calibrated": false, "imu_locations": [ "foot", "shank" ], "imu_time": "fifo_delta_first_irq", "placement_verified": false, "record_bytes": 64, "usb_recording_inhibit": true, "analog_filter": "two cascaded 3.3k/47nF low-pass sections, each unity buffered; 100R series output, 1nF to ground; single-ended ADC", "unplugged_input_bias_mv": 1500, "unplugged_input_bias_ohm": 1000000, "clock_or_filter_delay_correction": "none", "notes": "Engineering prototype; physical validation pending", "transport": "wifi_udp", "live_capture": true }, "records": 12, "ended": true, "first_sequence": { "2": 1 }, "sequence_gaps": {}, "stop_reason": 6 }, "udp_packets": 5, "source_sha256": "c6417e7c23ac7713fe4ba29cca2ba7f777ed569b022b4508d745864c8ae99a17", "case": "adc-trigger-ignored", "engine": "Wokwi web editor", "firmware": "ad7606-2ch-1.6", "hardware_measured": false, "serial_sha256": "6160e1eb5344cf661234cb834195082542b571606d28a231ce68971f3dc50d98", "assessor_sha256": "bfb185c259584a6dc6aa2d8b853f9c650225e1813916466bc8a821d0d739c639", "merged_image_sha256": "68eb6996195abbbb6eb2f8e2a327ccff640f0fc4c25c9ac2e20cdeb01183808c", "executed": true } ] }