The VL53L1CB proximity sensor, based on ST’s FlightSense™, Time-of-Flight technology.
Dependencies: X_NUCLEO_COMMON ST_INTERFACES
Dependents: VL53L1CB_noshield_1sensor_polls_auton VL53L1CB_noshield_1sensor_interrupt_auton X_NUCLEO_53L1A2
Based on VL53L1 library, this is a library for the VL53L1CB ToF chip.
src/vl53l1_api_calibration.c
- Committer:
- Charles MacNeill
- Date:
- 2021-06-08
- Revision:
- 7:1add29d51e72
- Parent:
- 0:3ac96e360672
- Child:
- 18:0696efe39d08
File content as of revision 7:1add29d51e72:
// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause /****************************************************************************** * Copyright (c) 2020, STMicroelectronics - All Rights Reserved This file is part of VL53L1 and is dual licensed, either GPL-2.0+ or 'BSD 3-clause "New" or "Revised" License' , at your option. ****************************************************************************** */ #include "vl53l1_ll_def.h" #include "vl53l1_ll_device.h" #include "vl53l1_platform.h" #include "vl53l1_platform_ipp.h" #include "vl53l1_register_map.h" #include "vl53l1_register_funcs.h" #include "vl53l1_register_settings.h" #include "vl53l1_hist_map.h" #include "vl53l1_hist_structs.h" #include "vl53l1_core.h" #include "vl53l1_wait.h" #include "vl53l1_api_preset_modes.h" #include "vl53l1_silicon_core.h" #include "vl53l1_api_core.h" #include "vl53l1_api_calibration.h" #ifdef VL53L1_LOG_ENABLE #include "vl53l1_api_debug.h" #endif #define LOG_FUNCTION_START(fmt, ...) \ _LOG_FUNCTION_START(VL53L1_TRACE_MODULE_CORE, fmt, ##__VA_ARGS__) #define LOG_FUNCTION_END(status, ...) \ _LOG_FUNCTION_END(VL53L1_TRACE_MODULE_CORE, status, ##__VA_ARGS__) #define LOG_FUNCTION_END_FMT(status, fmt, ...) \ _LOG_FUNCTION_END_FMT(VL53L1_TRACE_MODULE_CORE, status, \ fmt, ##__VA_ARGS__) #define trace_print(level, ...) \ _LOG_TRACE_PRINT(VL53L1_TRACE_MODULE_CORE, \ level, VL53L1_TRACE_FUNCTION_NONE, ##__VA_ARGS__) VL53L1_Error VL53L1_run_ref_spad_char( VL53L1_DEV Dev, VL53L1_Error *pcal_status) { VL53L1_Error status = VL53L1_ERROR_NONE; VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev); uint8_t comms_buffer[6]; VL53L1_refspadchar_config_t *prefspadchar = &(pdev->refspadchar); LOG_FUNCTION_START(""); if (status == VL53L1_ERROR_NONE) status = VL53L1_enable_powerforce(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_set_ref_spad_char_config( Dev, prefspadchar->VL53L1_p_009, prefspadchar->timeout_us, prefspadchar->target_count_rate_mcps, prefspadchar->max_count_rate_limit_mcps, prefspadchar->min_count_rate_limit_mcps, pdev->stat_nvm.osc_measured__fast_osc__frequency); if (status == VL53L1_ERROR_NONE) status = VL53L1_run_device_test( Dev, prefspadchar->device_test_mode); if (status == VL53L1_ERROR_NONE) status = VL53L1_ReadMulti( Dev, VL53L1_REF_SPAD_CHAR_RESULT__NUM_ACTUAL_REF_SPADS, comms_buffer, 2); if (status == VL53L1_ERROR_NONE) { pdev->dbg_results.ref_spad_char_result__num_actual_ref_spads = comms_buffer[0]; pdev->dbg_results.ref_spad_char_result__ref_location = comms_buffer[1]; } if (status == VL53L1_ERROR_NONE) status = VL53L1_WriteMulti( Dev, VL53L1_REF_SPAD_MAN__NUM_REQUESTED_REF_SPADS, comms_buffer, 2); if (status == VL53L1_ERROR_NONE) { pdev->customer.ref_spad_man__num_requested_ref_spads = comms_buffer[0]; pdev->customer.ref_spad_man__ref_location = comms_buffer[1]; } if (status == VL53L1_ERROR_NONE) status = VL53L1_ReadMulti( Dev, VL53L1_RESULT__SPARE_0_SD1, comms_buffer, 6); if (status == VL53L1_ERROR_NONE) status = VL53L1_WriteMulti( Dev, VL53L1_GLOBAL_CONFIG__SPAD_ENABLES_REF_0, comms_buffer, 6); if (status == VL53L1_ERROR_NONE) { pdev->customer.global_config__spad_enables_ref_0 = comms_buffer[0]; pdev->customer.global_config__spad_enables_ref_1 = comms_buffer[1]; pdev->customer.global_config__spad_enables_ref_2 = comms_buffer[2]; pdev->customer.global_config__spad_enables_ref_3 = comms_buffer[3]; pdev->customer.global_config__spad_enables_ref_4 = comms_buffer[4]; pdev->customer.global_config__spad_enables_ref_5 = comms_buffer[5]; } #ifdef VL53L1_LOG_ENABLE if (status == VL53L1_ERROR_NONE) VL53L1_print_customer_nvm_managed( &(pdev->customer), "run_ref_spad_char():pdev->lldata.customer.", VL53L1_TRACE_MODULE_REF_SPAD_CHAR); #endif if (status == VL53L1_ERROR_NONE) { switch (pdev->sys_results.result__range_status) { case VL53L1_DEVICEERROR_REFSPADCHARNOTENOUGHDPADS: status = VL53L1_WARNING_REF_SPAD_CHAR_NOT_ENOUGH_SPADS; break; case VL53L1_DEVICEERROR_REFSPADCHARMORETHANTARGET: status = VL53L1_WARNING_REF_SPAD_CHAR_RATE_TOO_HIGH; break; case VL53L1_DEVICEERROR_REFSPADCHARLESSTHANTARGET: status = VL53L1_WARNING_REF_SPAD_CHAR_RATE_TOO_LOW; break; } } *pcal_status = status; IGNORE_STATUS( IGNORE_REF_SPAD_CHAR_NOT_ENOUGH_SPADS, VL53L1_WARNING_REF_SPAD_CHAR_NOT_ENOUGH_SPADS, status); IGNORE_STATUS( IGNORE_REF_SPAD_CHAR_RATE_TOO_HIGH, VL53L1_WARNING_REF_SPAD_CHAR_RATE_TOO_HIGH, status); IGNORE_STATUS( IGNORE_REF_SPAD_CHAR_RATE_TOO_LOW, VL53L1_WARNING_REF_SPAD_CHAR_RATE_TOO_LOW, status); LOG_FUNCTION_END(status); return status; } VL53L1_Error VL53L1_run_xtalk_extraction( VL53L1_DEV Dev, VL53L1_Error *pcal_status) { VL53L1_Error status = VL53L1_ERROR_NONE; VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev); VL53L1_xtalkextract_config_t *pX = &(pdev->xtalk_extract_cfg); VL53L1_xtalk_config_t *pC = &(pdev->xtalk_cfg); VL53L1_xtalk_calibration_results_t *pXC = &(pdev->xtalk_cal); uint8_t results_invalid = 0; uint8_t i = 0; uint16_t tmp16 = 0; uint8_t measurement_mode = VL53L1_DEVICEMEASUREMENTMODE_BACKTOBACK; LOG_FUNCTION_START(""); VL53L1_init_histogram_bin_data_struct( 0, (uint16_t)VL53L1_HISTOGRAM_BUFFER_SIZE, &(pdev->xtalk_results.central_histogram_avg)); VL53L1_init_histogram_bin_data_struct( 0, (uint16_t)VL53L1_HISTOGRAM_BUFFER_SIZE, &(pdev->xtalk_results.central_histogram_sum)); if (status == VL53L1_ERROR_NONE) status = VL53L1_set_preset_mode( Dev, VL53L1_DEVICEPRESETMODE_HISTOGRAM_XTALK_PLANAR, pX->dss_config__target_total_rate_mcps, pX->phasecal_config_timeout_us, pX->mm_config_timeout_us, pX->range_config_timeout_us, 100); if (status == VL53L1_ERROR_NONE) status = VL53L1_disable_xtalk_compensation(Dev); pdev->xtalk_results.max_results = VL53L1_MAX_XTALK_RANGE_RESULTS; pdev->xtalk_results.active_results = pdev->zone_cfg.active_zones+1; pdev->xtalk_results.central_histogram__window_start = 0xFF; pdev->xtalk_results.central_histogram__window_end = 0x00; pdev->xtalk_results.num_of_samples_status = 0x00; pdev->xtalk_results.zero_samples_status = 0x00; pdev->xtalk_results.max_sigma_status = 0x00; for (i = 0; i < pdev->xtalk_results.max_results; i++) { pdev->xtalk_results.VL53L1_p_002[i].no_of_samples = 0; pdev->xtalk_results.VL53L1_p_002[i].signal_total_events_avg = 0; pdev->xtalk_results.VL53L1_p_002[i].signal_total_events_sum = 0; pdev->xtalk_results.VL53L1_p_002[i].rate_per_spad_kcps_sum = 0; pdev->xtalk_results.VL53L1_p_002[i].rate_per_spad_kcps_avg = 0; pdev->xtalk_results.VL53L1_p_002[i].sigma_mm_sum = 0; pdev->xtalk_results.VL53L1_p_002[i].sigma_mm_avg = 0; pdev->xtalk_results.VL53L1_p_002[i].median_phase_sum = 0; pdev->xtalk_results.VL53L1_p_002[i].median_phase_avg = 0; } if (status == VL53L1_ERROR_NONE) { status = VL53L1_get_and_avg_xtalk_samples( Dev, pX->num_of_samples, measurement_mode, pX->algo__crosstalk_extract_max_valid_range_mm, pX->algo__crosstalk_extract_min_valid_range_mm, pX->algo__crosstalk_extract_max_valid_rate_kcps, 0x0, 0x4, &(pdev->xtalk_results), &(pdev->xtalk_results.central_histogram_sum), &(pdev->xtalk_results.central_histogram_avg)); } if (status == VL53L1_ERROR_NONE) if ((pdev->xtalk_results.VL53L1_p_002[4].no_of_samples == 0) || (pdev->xtalk_results.VL53L1_p_002[4].sigma_mm_avg > ((uint32_t)pX->algo__crosstalk_extract_max_sigma_mm << 5))) results_invalid = 0x01; #ifdef VL53L1_LOG_ENABLE if (status == VL53L1_ERROR_NONE) VL53L1_print_xtalk_range_results( &(pdev->xtalk_results), "pdev->xtalk_results", VL53L1_TRACE_MODULE_CORE); #endif if ((status == VL53L1_ERROR_NONE) && (results_invalid == 0)) { status = VL53L1_ipp_xtalk_calibration_process_data( Dev, &(pdev->xtalk_results), &(pdev->xtalk_shapes), &(pdev->xtalk_cal)); } if ((status == VL53L1_ERROR_NONE) && (results_invalid == 0)) { for (i = 0; i < VL53L1_BIN_REC_SIZE; i++) pXC->algo__xtalk_cpo_HistoMerge_kcps[i] = pXC->algo__crosstalk_compensation_plane_offset_kcps; pC->algo__crosstalk_compensation_x_plane_gradient_kcps = pXC->algo__crosstalk_compensation_x_plane_gradient_kcps; pC->algo__crosstalk_compensation_y_plane_gradient_kcps = pXC->algo__crosstalk_compensation_y_plane_gradient_kcps; pC->algo__crosstalk_compensation_plane_offset_kcps = pXC->algo__crosstalk_compensation_plane_offset_kcps; } if (status == VL53L1_ERROR_NONE) status = VL53L1_enable_xtalk_compensation(Dev); if (status == VL53L1_ERROR_NONE) { for (i = 0; i < pdev->xtalk_results.max_results; i++) { if (pdev->xtalk_results.VL53L1_p_002[i].no_of_samples != pX->num_of_samples) { pdev->xtalk_results.num_of_samples_status = pdev->xtalk_results.num_of_samples_status | (1 << i); } if (pdev->xtalk_results.VL53L1_p_002[i].no_of_samples == 0x00) { pdev->xtalk_results.zero_samples_status = pdev->xtalk_results.zero_samples_status | (1 << i); } tmp16 = pX->algo__crosstalk_extract_max_sigma_mm; if (pdev->xtalk_results.VL53L1_p_002[i].sigma_mm_avg > ((uint32_t)tmp16 << 5)) { pdev->xtalk_results.max_sigma_status = pdev->xtalk_results.max_sigma_status | (1 << i); } } } if (results_invalid > 0) { if (pdev->xtalk_results.VL53L1_p_002[4].no_of_samples == 0) { status = VL53L1_ERROR_XTALK_EXTRACTION_NO_SAMPLE_FAIL; } else { if (pdev->xtalk_results.VL53L1_p_002[4].sigma_mm_avg > (((uint32_t)pX->algo__crosstalk_extract_max_sigma_mm) << 5)) { status = VL53L1_ERROR_XTALK_EXTRACTION_SIGMA_LIMIT_FAIL; } } } else { if (pdev->xtalk_results.zero_samples_status != 0x00) { status = VL53L1_WARNING_XTALK_NO_SAMPLES_FOR_GRADIENT; } else { if (pdev->xtalk_results.max_sigma_status != 0x00) { status = VL53L1_WARNING_XTALK_SIGMA_LIMIT_FOR_GRADIENT; } else { if (pdev->xtalk_results.num_of_samples_status != 0x00) status = VL53L1_WARNING_XTALK_MISSING_SAMPLES; } } } pdev->xtalk_results.cal_status = status; *pcal_status = pdev->xtalk_results.cal_status; IGNORE_STATUS( IGNORE_XTALK_EXTRACTION_NO_SAMPLE_FAIL, VL53L1_ERROR_XTALK_EXTRACTION_NO_SAMPLE_FAIL, status); IGNORE_STATUS( IGNORE_XTALK_EXTRACTION_SIGMA_LIMIT_FAIL, VL53L1_ERROR_XTALK_EXTRACTION_SIGMA_LIMIT_FAIL, status); IGNORE_STATUS( IGNORE_XTALK_EXTRACTION_NO_SAMPLE_FOR_GRADIENT_WARN, VL53L1_WARNING_XTALK_NO_SAMPLES_FOR_GRADIENT, status); IGNORE_STATUS( IGNORE_XTALK_EXTRACTION_SIGMA_LIMIT_FOR_GRADIENT_WARN, VL53L1_WARNING_XTALK_SIGMA_LIMIT_FOR_GRADIENT, status); IGNORE_STATUS( IGNORE_XTALK_EXTRACTION_MISSING_SAMPLES_WARN, VL53L1_WARNING_XTALK_MISSING_SAMPLES, status); #ifdef VL53L1_LOG_ENABLE VL53L1_print_customer_nvm_managed( &(pdev->customer), "run_xtalk_extraction():pdev->lldata.customer.", VL53L1_TRACE_MODULE_XTALK_DATA); VL53L1_print_xtalk_config( &(pdev->xtalk_cfg), "run_xtalk_extraction():pdev->lldata.xtalk_cfg.", VL53L1_TRACE_MODULE_XTALK_DATA); VL53L1_print_xtalk_extract_config( &(pdev->xtalk_extract_cfg), "run_xtalk_extraction():pdev->lldata.xtalk_extract_cfg.", VL53L1_TRACE_MODULE_XTALK_DATA); VL53L1_print_histogram_bin_data( &(pdev->hist_data), "run_xtalk_extraction():pdev->lldata.hist_data.", VL53L1_TRACE_MODULE_XTALK_DATA); VL53L1_print_xtalk_histogram_data( &(pdev->xtalk_shapes), "pdev->lldata.xtalk_shapes.", VL53L1_TRACE_MODULE_XTALK_DATA); VL53L1_print_xtalk_range_results( &(pdev->xtalk_results), "run_xtalk_extraction():pdev->lldata.xtalk_results.", VL53L1_TRACE_MODULE_XTALK_DATA); #endif LOG_FUNCTION_END(status); return status; } VL53L1_Error VL53L1_get_and_avg_xtalk_samples( VL53L1_DEV Dev, uint8_t num_of_samples, uint8_t measurement_mode, int16_t xtalk_filter_thresh_max_mm, int16_t xtalk_filter_thresh_min_mm, uint16_t xtalk_max_valid_rate_kcps, uint8_t xtalk_result_id, uint8_t xtalk_histo_id, VL53L1_xtalk_range_results_t *pXR, VL53L1_histogram_bin_data_t *psum_histo, VL53L1_histogram_bin_data_t *pavg_histo) { VL53L1_Error status = VL53L1_ERROR_NONE; VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev); #ifdef VL53L1_LOG_ENABLE VL53L1_LLDriverResults_t *pres = VL53L1DevStructGetLLResultsHandle(Dev); #endif VL53L1_range_results_t *prs = (VL53L1_range_results_t *) pdev->wArea1; VL53L1_range_data_t *prange_data; VL53L1_xtalk_range_data_t *pxtalk_range_data; uint8_t i = 0; uint8_t j = 0; uint8_t zone_id = 0; uint8_t final_zone = pdev->zone_cfg.active_zones+1; uint8_t valid_result; uint8_t smudge_corr_en = 0; smudge_corr_en = pdev->smudge_correct_config.smudge_corr_enabled; status = VL53L1_dynamic_xtalk_correction_disable(Dev); VL53L1_load_patch(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_init_and_start_range( Dev, measurement_mode, VL53L1_DEVICECONFIGLEVEL_CUSTOMER_ONWARDS); for (i = 0; i <= (final_zone*num_of_samples); i++) { if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_range_completion(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_get_device_results( Dev, VL53L1_DEVICERESULTSLEVEL_FULL, prs); if (status == VL53L1_ERROR_NONE && pdev->ll_state.rd_device_state != VL53L1_DEVICESTATE_RANGING_WAIT_GPH_SYNC) { zone_id = pdev->ll_state.rd_zone_id + xtalk_result_id; prange_data = &(prs->VL53L1_p_002[0]); if (prs->active_results > 1) { for (j = 1; j < prs->active_results; j++) { if (prs->VL53L1_p_002[j].median_range_mm < prange_data->median_range_mm) prange_data = &(prs->VL53L1_p_002[j]); } } pxtalk_range_data = &(pXR->VL53L1_p_002[zone_id]); if ((prs->active_results > 0) && (prange_data->median_range_mm < xtalk_filter_thresh_max_mm) && (prange_data->median_range_mm > xtalk_filter_thresh_min_mm) && (prange_data->VL53L1_p_012 < (uint32_t)(xtalk_max_valid_rate_kcps * 16))) valid_result = 1; else valid_result = 0; if (valid_result == 1) { pxtalk_range_data->no_of_samples++; pxtalk_range_data->rate_per_spad_kcps_sum += prange_data->VL53L1_p_012; pxtalk_range_data->signal_total_events_sum += prange_data->VL53L1_p_013; pxtalk_range_data->sigma_mm_sum += (uint32_t)prange_data->VL53L1_p_005; pxtalk_range_data->median_phase_sum += (uint32_t)prange_data->VL53L1_p_014; } if ((valid_result == 1) && (zone_id >= 4)) { status = VL53L1_sum_histogram_data( &(pdev->hist_data), psum_histo); if (prange_data->VL53L1_p_015 < pXR->central_histogram__window_start) pXR->central_histogram__window_start = prange_data->VL53L1_p_015; if (prange_data->VL53L1_p_016 > pXR->central_histogram__window_end) pXR->central_histogram__window_end = prange_data->VL53L1_p_016; } } #ifdef VL53L1_LOG_ENABLE if (status == VL53L1_ERROR_NONE) { VL53L1_print_range_results( &(pres->range_results), "pres->range_results.", VL53L1_TRACE_MODULE_CORE); } #endif if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_firmware_ready(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_clear_interrupt_and_enable_next_range( Dev, measurement_mode); } if (status == VL53L1_ERROR_NONE) status = VL53L1_stop_range(Dev); VL53L1_unload_patch(Dev); for (i = 0; i < (pdev->zone_cfg.active_zones+1); i++) { pxtalk_range_data = &(pXR->VL53L1_p_002[i+xtalk_result_id]); if (pxtalk_range_data->no_of_samples > 0) { pxtalk_range_data->rate_per_spad_kcps_avg = pxtalk_range_data->rate_per_spad_kcps_sum / (uint32_t)pxtalk_range_data->no_of_samples; pxtalk_range_data->signal_total_events_avg = pxtalk_range_data->signal_total_events_sum / (int32_t)pxtalk_range_data->no_of_samples; pxtalk_range_data->sigma_mm_avg = pxtalk_range_data->sigma_mm_sum / (uint32_t)pxtalk_range_data->no_of_samples; pxtalk_range_data->median_phase_avg = pxtalk_range_data->median_phase_sum / (uint32_t)pxtalk_range_data->no_of_samples; } else { pxtalk_range_data->rate_per_spad_kcps_avg = pxtalk_range_data->rate_per_spad_kcps_sum; pxtalk_range_data->signal_total_events_avg = pxtalk_range_data->signal_total_events_sum; pxtalk_range_data->sigma_mm_avg = pxtalk_range_data->sigma_mm_sum; pxtalk_range_data->median_phase_avg = pxtalk_range_data->median_phase_sum; } } memcpy(pavg_histo, &(pdev->hist_data), sizeof(VL53L1_histogram_bin_data_t)); if (status == VL53L1_ERROR_NONE) { pxtalk_range_data = &(pXR->VL53L1_p_002[xtalk_histo_id]); status = VL53L1_avg_histogram_data( pxtalk_range_data->no_of_samples, psum_histo, pavg_histo); } if (status == VL53L1_ERROR_NONE) { if (smudge_corr_en == 1) status = VL53L1_dynamic_xtalk_correction_enable(Dev); } LOG_FUNCTION_END(status); return status; } VL53L1_Error VL53L1_run_offset_calibration( VL53L1_DEV Dev, int16_t cal_distance_mm, uint16_t cal_reflectance_pc, VL53L1_Error *pcal_status) { VL53L1_Error status = VL53L1_ERROR_NONE; VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev); VL53L1_DevicePresetModes device_preset_modes[ VL53L1_MAX_OFFSET_RANGE_RESULTS]; VL53L1_range_results_t *prange_results = (VL53L1_range_results_t *) pdev->wArea1; VL53L1_range_data_t *pRData = NULL; VL53L1_offset_range_data_t *pfs = NULL; VL53L1_general_config_t *pG = &(pdev->gen_cfg); VL53L1_additional_offset_cal_data_t *pAO = &(pdev->add_off_cal_data); uint8_t i = 0; uint8_t m = 0; uint8_t measurement_mode = VL53L1_DEVICEMEASUREMENTMODE_BACKTOBACK; uint16_t manual_effective_spads = pG->dss_config__manual_effective_spads_select; uint8_t num_of_samples[VL53L1_MAX_OFFSET_RANGE_RESULTS]; uint8_t smudge_corr_en = 0; LOG_FUNCTION_START(""); switch (pdev->offset_calibration_mode) { case VL53L1_OFFSETCALIBRATIONMODE__MM1_MM2__HISTOGRAM: case VL53L1_OFFSETCALIBRATIONMODE__MM1_MM2__HISTOGRAM_PRE_RANGE_ONLY: device_preset_modes[0] = VL53L1_DEVICEPRESETMODE_HISTOGRAM_RANGING; device_preset_modes[1] = VL53L1_DEVICEPRESETMODE_HISTOGRAM_RANGING_MM1_CAL; device_preset_modes[2] = VL53L1_DEVICEPRESETMODE_HISTOGRAM_RANGING_MM2_CAL; break; default: device_preset_modes[0] = VL53L1_DEVICEPRESETMODE_STANDARD_RANGING; device_preset_modes[1] = VL53L1_DEVICEPRESETMODE_STANDARD_RANGING_MM1_CAL; device_preset_modes[2] = VL53L1_DEVICEPRESETMODE_STANDARD_RANGING_MM2_CAL; break; } num_of_samples[0] = pdev->offsetcal_cfg.pre_num_of_samples; num_of_samples[1] = pdev->offsetcal_cfg.mm1_num_of_samples; num_of_samples[2] = pdev->offsetcal_cfg.mm2_num_of_samples; switch (pdev->offset_calibration_mode) { case VL53L1_OFFSETCALIBRATIONMODE__MM1_MM2__STANDARD_PRE_RANGE_ONLY: case VL53L1_OFFSETCALIBRATIONMODE__MM1_MM2__HISTOGRAM_PRE_RANGE_ONLY: pdev->offset_results.active_results = 1; break; default: pdev->customer.mm_config__inner_offset_mm = 0; pdev->customer.mm_config__outer_offset_mm = 0; pdev->offset_results.active_results = VL53L1_MAX_OFFSET_RANGE_RESULTS; break; } pdev->customer.algo__part_to_part_range_offset_mm = 0; pdev->offset_results.max_results = VL53L1_MAX_OFFSET_RANGE_RESULTS; pdev->offset_results.cal_distance_mm = cal_distance_mm; pdev->offset_results.cal_reflectance_pc = cal_reflectance_pc; for (m = 0; m < VL53L1_MAX_OFFSET_RANGE_RESULTS; m++) { pfs = &(pdev->offset_results.VL53L1_p_002[m]); pfs->preset_mode = 0; pfs->no_of_samples = 0; pfs->effective_spads = 0; pfs->peak_rate_mcps = 0; pfs->VL53L1_p_005 = 0; pfs->median_range_mm = 0; } smudge_corr_en = pdev->smudge_correct_config.smudge_corr_enabled; status = VL53L1_dynamic_xtalk_correction_disable(Dev); for (m = 0; m < pdev->offset_results.active_results; m++) { pfs = &(pdev->offset_results.VL53L1_p_002[m]); pfs->preset_mode = device_preset_modes[m]; if (status == VL53L1_ERROR_NONE) status = VL53L1_set_preset_mode( Dev, device_preset_modes[m], pdev->offsetcal_cfg.dss_config__target_total_rate_mcps, pdev->offsetcal_cfg.phasecal_config_timeout_us, pdev->offsetcal_cfg.mm_config_timeout_us, pdev->offsetcal_cfg.range_config_timeout_us, 100); pG->dss_config__manual_effective_spads_select = manual_effective_spads; VL53L1_load_patch(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_init_and_start_range( Dev, measurement_mode, VL53L1_DEVICECONFIGLEVEL_CUSTOMER_ONWARDS); for (i = 0; i <= (num_of_samples[m]+2); i++) { if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_range_completion(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_get_device_results( Dev, VL53L1_DEVICERESULTSLEVEL_FULL, prange_results); pRData = &(prange_results->VL53L1_p_002[0]); if ((prange_results->active_results > 0 && prange_results->stream_count > 1) && (pRData->range_status == VL53L1_DEVICEERROR_RANGECOMPLETE)) { pfs->no_of_samples++; pfs->effective_spads += (uint32_t)pRData->VL53L1_p_006; pfs->peak_rate_mcps += (uint32_t)pRData->peak_signal_count_rate_mcps; pfs->VL53L1_p_005 += (uint32_t)pRData->VL53L1_p_005; pfs->median_range_mm += (int32_t)pRData->median_range_mm; pfs->dss_config__roi_mode_control = pG->dss_config__roi_mode_control; pfs->dss_config__manual_effective_spads_select = pG->dss_config__manual_effective_spads_select; } if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_firmware_ready(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_clear_interrupt_and_enable_next_range( Dev, measurement_mode); } if (status == VL53L1_ERROR_NONE) status = VL53L1_stop_range(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_WaitUs(Dev, 1000); VL53L1_unload_patch(Dev); if (pfs->no_of_samples > 0) { pfs->effective_spads += (pfs->no_of_samples/2); pfs->effective_spads /= pfs->no_of_samples; pfs->peak_rate_mcps += (pfs->no_of_samples/2); pfs->peak_rate_mcps /= pfs->no_of_samples; pfs->VL53L1_p_005 += (pfs->no_of_samples/2); pfs->VL53L1_p_005 /= pfs->no_of_samples; pfs->median_range_mm += (pfs->no_of_samples/2); pfs->median_range_mm /= pfs->no_of_samples; pfs->range_mm_offset = (int32_t)cal_distance_mm; pfs->range_mm_offset -= pfs->median_range_mm; if (pfs->preset_mode == VL53L1_DEVICEPRESETMODE_STANDARD_RANGING) manual_effective_spads = (uint16_t)pfs->effective_spads; } } switch (pdev->offset_calibration_mode) { case VL53L1_OFFSETCALIBRATIONMODE__MM1_MM2__STANDARD_PRE_RANGE_ONLY: case VL53L1_OFFSETCALIBRATIONMODE__MM1_MM2__HISTOGRAM_PRE_RANGE_ONLY: pdev->customer.mm_config__inner_offset_mm += (int16_t)pdev->offset_results.VL53L1_p_002[0].range_mm_offset; pdev->customer.mm_config__outer_offset_mm += (int16_t)pdev->offset_results.VL53L1_p_002[0].range_mm_offset; break; default: pdev->customer.mm_config__inner_offset_mm = (int16_t)pdev->offset_results.VL53L1_p_002[1].range_mm_offset; pdev->customer.mm_config__outer_offset_mm = (int16_t)pdev->offset_results.VL53L1_p_002[2].range_mm_offset; pdev->customer.algo__part_to_part_range_offset_mm = 0; pAO->result__mm_inner_actual_effective_spads = (uint16_t)pdev->offset_results.VL53L1_p_002[1].effective_spads; pAO->result__mm_outer_actual_effective_spads = (uint16_t)pdev->offset_results.VL53L1_p_002[2].effective_spads; pAO->result__mm_inner_peak_signal_count_rtn_mcps = (uint16_t)pdev->offset_results.VL53L1_p_002[1].peak_rate_mcps; pAO->result__mm_outer_peak_signal_count_rtn_mcps = (uint16_t)pdev->offset_results.VL53L1_p_002[2].peak_rate_mcps; break; } pdev->cust_dmax_cal.ref__actual_effective_spads = (uint16_t)pdev->offset_results.VL53L1_p_002[0].effective_spads; pdev->cust_dmax_cal.ref__peak_signal_count_rate_mcps = (uint16_t)pdev->offset_results.VL53L1_p_002[0].peak_rate_mcps; pdev->cust_dmax_cal.ref__distance_mm = cal_distance_mm * 16; pdev->cust_dmax_cal.ref_reflectance_pc = cal_reflectance_pc; pdev->cust_dmax_cal.coverglass_transmission = 0x0100; if (status == VL53L1_ERROR_NONE) status = VL53L1_set_customer_nvm_managed( Dev, &(pdev->customer)); if (status == VL53L1_ERROR_NONE) { if (smudge_corr_en == 1) status = VL53L1_dynamic_xtalk_correction_enable(Dev); } for (m = 0; m < pdev->offset_results.active_results; m++) { pfs = &(pdev->offset_results.VL53L1_p_002[m]); if (status == VL53L1_ERROR_NONE) { pdev->offset_results.cal_report = m; if (pfs->no_of_samples < num_of_samples[m]) status = VL53L1_WARNING_OFFSET_CAL_MISSING_SAMPLES; if (m == 0 && pfs->VL53L1_p_005 > ((uint32_t)VL53L1_OFFSET_CAL_MAX_SIGMA_MM << 5)) status = VL53L1_WARNING_OFFSET_CAL_SIGMA_TOO_HIGH; if (pfs->peak_rate_mcps > VL53L1_OFFSET_CAL_MAX_PRE_PEAK_RATE_MCPS) status = VL53L1_WARNING_OFFSET_CAL_RATE_TOO_HIGH; if (pfs->dss_config__manual_effective_spads_select < VL53L1_OFFSET_CAL_MIN_EFFECTIVE_SPADS) status = VL53L1_WARNING_OFFSET_CAL_SPAD_COUNT_TOO_LOW; if (pfs->dss_config__manual_effective_spads_select == 0) status = VL53L1_ERROR_OFFSET_CAL_NO_SPADS_ENABLED_FAIL; if (pfs->no_of_samples == 0) status = VL53L1_ERROR_OFFSET_CAL_NO_SAMPLE_FAIL; } } pdev->offset_results.cal_status = status; *pcal_status = pdev->offset_results.cal_status; IGNORE_STATUS( IGNORE_OFFSET_CAL_MISSING_SAMPLES, VL53L1_WARNING_OFFSET_CAL_MISSING_SAMPLES, status); IGNORE_STATUS( IGNORE_OFFSET_CAL_SIGMA_TOO_HIGH, VL53L1_WARNING_OFFSET_CAL_SIGMA_TOO_HIGH, status); IGNORE_STATUS( IGNORE_OFFSET_CAL_RATE_TOO_HIGH, VL53L1_WARNING_OFFSET_CAL_RATE_TOO_HIGH, status); IGNORE_STATUS( IGNORE_OFFSET_CAL_SPAD_COUNT_TOO_LOW, VL53L1_WARNING_OFFSET_CAL_SPAD_COUNT_TOO_LOW, status); #ifdef VL53L1_LOG_ENABLE VL53L1_print_customer_nvm_managed( &(pdev->customer), "run_offset_calibration():pdev->lldata.customer.", VL53L1_TRACE_MODULE_OFFSET_DATA); VL53L1_print_dmax_calibration_data( &(pdev->fmt_dmax_cal), "run_offset_calibration():pdev->lldata.fmt_dmax_cal.", VL53L1_TRACE_MODULE_OFFSET_DATA); VL53L1_print_dmax_calibration_data( &(pdev->cust_dmax_cal), "run_offset_calibration():pdev->lldata.cust_dmax_cal.", VL53L1_TRACE_MODULE_OFFSET_DATA); VL53L1_print_additional_offset_cal_data( &(pdev->add_off_cal_data), "run_offset_calibration():pdev->lldata.add_off_cal_data.", VL53L1_TRACE_MODULE_OFFSET_DATA); VL53L1_print_offset_range_results( &(pdev->offset_results), "run_offset_calibration():pdev->lldata.offset_results.", VL53L1_TRACE_MODULE_OFFSET_DATA); #endif LOG_FUNCTION_END(status); return status; } VL53L1_Error VL53L1_run_phasecal_average( VL53L1_DEV Dev, uint8_t measurement_mode, uint8_t phasecal_result__vcsel_start, uint16_t phasecal_num_of_samples, VL53L1_range_results_t *prange_results, uint16_t *pphasecal_result__reference_phase, uint16_t *pzero_distance_phase) { VL53L1_Error status = VL53L1_ERROR_NONE; VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev); uint16_t i = 0; uint16_t m = 0; uint32_t samples = 0; uint32_t period = 0; uint32_t VL53L1_p_017 = 0; uint32_t phasecal_result__reference_phase = 0; uint32_t zero_distance_phase = 0; VL53L1_load_patch(Dev); for (m = 0; m < phasecal_num_of_samples; m++) { if (status == VL53L1_ERROR_NONE) status = VL53L1_init_and_start_range( Dev, measurement_mode, VL53L1_DEVICECONFIGLEVEL_CUSTOMER_ONWARDS); for (i = 0; i <= 1; i++) { if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_range_completion(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_get_device_results( Dev, VL53L1_DEVICERESULTSLEVEL_FULL, prange_results); if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_firmware_ready(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_clear_interrupt_and_enable_next_range( Dev, measurement_mode); } if (status == VL53L1_ERROR_NONE) status = VL53L1_stop_range(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_WaitUs(Dev, 1000); if (status == VL53L1_ERROR_NONE) { samples++; period = 2048 * (uint32_t)VL53L1_decode_vcsel_period( pdev->hist_data.VL53L1_p_009); VL53L1_p_017 = period; VL53L1_p_017 += (uint32_t)( pdev->hist_data.phasecal_result__reference_phase); VL53L1_p_017 += (2048 * (uint32_t)phasecal_result__vcsel_start); VL53L1_p_017 -= (2048 * (uint32_t)pdev->hist_data.cal_config__vcsel_start); VL53L1_p_017 = VL53L1_p_017 % period; phasecal_result__reference_phase += (uint32_t)( pdev->hist_data.phasecal_result__reference_phase); zero_distance_phase += (uint32_t)VL53L1_p_017; } } VL53L1_unload_patch(Dev); if (status == VL53L1_ERROR_NONE && samples > 0) { phasecal_result__reference_phase += (samples >> 1); phasecal_result__reference_phase /= samples; zero_distance_phase += (samples >> 1); zero_distance_phase /= samples; *pphasecal_result__reference_phase = (uint16_t)phasecal_result__reference_phase; *pzero_distance_phase = (uint16_t)zero_distance_phase; } return status; } VL53L1_Error VL53L1_run_zone_calibration( VL53L1_DEV Dev, VL53L1_DevicePresetModes device_preset_mode, VL53L1_DeviceZonePreset zone_preset, VL53L1_zone_config_t *pzone_cfg, int16_t cal_distance_mm, uint16_t cal_reflectance_pc, VL53L1_Error *pcal_status) { VL53L1_Error status = VL53L1_ERROR_NONE; VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev); VL53L1_LLDriverResults_t *pres = VL53L1DevStructGetLLResultsHandle(Dev); VL53L1_range_results_t *pRR = (VL53L1_range_results_t *) pdev->wArea1; VL53L1_range_data_t *prange_data = NULL; VL53L1_zone_calibration_data_t *pzone_data = NULL; uint16_t i = 0; uint16_t m = 0; uint8_t z = 0; uint8_t measurement_mode = VL53L1_DEVICEMEASUREMENTMODE_BACKTOBACK; VL53L1_OffsetCorrectionMode offset_cor_mode = VL53L1_OFFSETCORRECTIONMODE__NONE; LOG_FUNCTION_START(""); if (status == VL53L1_ERROR_NONE) status = VL53L1_set_preset_mode( Dev, device_preset_mode, pdev->zonecal_cfg.dss_config__target_total_rate_mcps, pdev->zonecal_cfg.phasecal_config_timeout_us, pdev->zonecal_cfg.mm_config_timeout_us, pdev->zonecal_cfg.range_config_timeout_us, 100); if (zone_preset == VL53L1_DEVICEZONEPRESET_CUSTOM) { if (status == VL53L1_ERROR_NONE) status = VL53L1_set_zone_config( Dev, pzone_cfg); } else if (zone_preset != VL53L1_DEVICEZONEPRESET_NONE) { if (status == VL53L1_ERROR_NONE) status = VL53L1_set_zone_preset( Dev, zone_preset); } pres->zone_cal.preset_mode = device_preset_mode; pres->zone_cal.zone_preset = zone_preset; pres->zone_cal.cal_distance_mm = cal_distance_mm * 16; pres->zone_cal.cal_reflectance_pc = cal_reflectance_pc; pres->zone_cal.max_zones = VL53L1_MAX_USER_ZONES; pres->zone_cal.active_zones = pdev->zone_cfg.active_zones + 1; for (i = 0; i < VL53L1_MAX_USER_ZONES; i++) { pres->zone_cal.VL53L1_p_002[i].no_of_samples = 0; pres->zone_cal.VL53L1_p_002[i].effective_spads = 0; pres->zone_cal.VL53L1_p_002[i].peak_rate_mcps = 0; pres->zone_cal.VL53L1_p_002[i].VL53L1_p_014 = 0; pres->zone_cal.VL53L1_p_002[i].VL53L1_p_005 = 0; pres->zone_cal.VL53L1_p_002[i].median_range_mm = 0; pres->zone_cal.VL53L1_p_002[i].range_mm_offset = 0; } pres->zone_cal.phasecal_result__reference_phase = 0; pres->zone_cal.zero_distance_phase = 0; status = VL53L1_get_offset_correction_mode( Dev, &offset_cor_mode); if (status == VL53L1_ERROR_NONE) status = VL53L1_set_offset_correction_mode( Dev, VL53L1_OFFSETCORRECTIONMODE__NONE); VL53L1_load_patch(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_init_and_start_range( Dev, measurement_mode, VL53L1_DEVICECONFIGLEVEL_CUSTOMER_ONWARDS); m = (pdev->zonecal_cfg.zone_num_of_samples + 2) * (uint16_t)pres->zone_cal.active_zones; for (i = 0; i <= m; i++) { if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_range_completion(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_get_device_results( Dev, VL53L1_DEVICERESULTSLEVEL_FULL, pRR); prange_data = &(pRR->VL53L1_p_002[0]); if (pRR->active_results > 0 && i > (uint16_t)pres->zone_cal.active_zones) { if (prange_data->range_status == VL53L1_DEVICEERROR_RANGECOMPLETE) { pres->zone_cal.phasecal_result__reference_phase = pdev->hist_data.phasecal_result__reference_phase ; pres->zone_cal.zero_distance_phase = pdev->hist_data.zero_distance_phase; pzone_data = &(pres->zone_cal.VL53L1_p_002[pRR->zone_id]); pzone_data->no_of_samples++; pzone_data->effective_spads += (uint32_t)prange_data->VL53L1_p_006; pzone_data->peak_rate_mcps += (uint32_t)( prange_data->peak_signal_count_rate_mcps); pzone_data->VL53L1_p_014 += (uint32_t)prange_data->VL53L1_p_014; pzone_data->VL53L1_p_005 += (uint32_t)prange_data->VL53L1_p_005; pzone_data->median_range_mm += (int32_t)prange_data->median_range_mm; } } if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_firmware_ready(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_clear_interrupt_and_enable_next_range( Dev, measurement_mode); } if (status == VL53L1_ERROR_NONE) status = VL53L1_stop_range(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_WaitUs(Dev, 1000); VL53L1_unload_patch(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_run_phasecal_average( Dev, measurement_mode, pdev->hist_data.phasecal_result__vcsel_start, pdev->zonecal_cfg.phasecal_num_of_samples, pRR, &(pres->zone_cal.phasecal_result__reference_phase), &(pres->zone_cal.zero_distance_phase)); if (status == VL53L1_ERROR_NONE) status = VL53L1_set_offset_correction_mode( Dev, offset_cor_mode); if (status == VL53L1_ERROR_NONE) { for (z = 0; z < pres->zone_cal.active_zones; z++) { pzone_data = &(pres->zone_cal.VL53L1_p_002[z]); if (pzone_data->no_of_samples > 0) { pzone_data->effective_spads += (pzone_data->no_of_samples/2); pzone_data->effective_spads /= pzone_data->no_of_samples; pzone_data->peak_rate_mcps += (pzone_data->no_of_samples/2); pzone_data->peak_rate_mcps /= pzone_data->no_of_samples; pzone_data->VL53L1_p_014 += (pzone_data->no_of_samples/2); pzone_data->VL53L1_p_014 /= pzone_data->no_of_samples; pzone_data->VL53L1_p_005 += (pzone_data->no_of_samples/2); pzone_data->VL53L1_p_005 /= pzone_data->no_of_samples; pzone_data->median_range_mm = VL53L1_range_maths( pdev->stat_nvm.osc_measured__fast_osc__frequency , (uint16_t)pzone_data->VL53L1_p_014, pres->zone_cal.zero_distance_phase, 2, 0x0800, 0); pzone_data->range_mm_offset = ((int32_t)cal_distance_mm) * 4; pzone_data->range_mm_offset -= pzone_data->median_range_mm; if (pzone_data->no_of_samples < pdev->zonecal_cfg.zone_num_of_samples) status = VL53L1_WARNING_ZONE_CAL_MISSING_SAMPLES; if (pzone_data->VL53L1_p_005 > ((uint32_t)VL53L1_ZONE_CAL_MAX_SIGMA_MM << 5)) status = VL53L1_WARNING_ZONE_CAL_SIGMA_TOO_HIGH; if (pzone_data->peak_rate_mcps > VL53L1_ZONE_CAL_MAX_PRE_PEAK_RATE_MCPS) status = VL53L1_WARNING_ZONE_CAL_RATE_TOO_HIGH; } else { status = VL53L1_ERROR_ZONE_CAL_NO_SAMPLE_FAIL; } } } pres->zone_cal.cal_status = status; *pcal_status = pres->zone_cal.cal_status; IGNORE_STATUS( IGNORE_ZONE_CAL_MISSING_SAMPLES, VL53L1_WARNING_ZONE_CAL_MISSING_SAMPLES, status); IGNORE_STATUS( IGNORE_ZONE_CAL_SIGMA_TOO_HIGH, VL53L1_WARNING_ZONE_CAL_SIGMA_TOO_HIGH, status); IGNORE_STATUS( IGNORE_ZONE_CAL_RATE_TOO_HIGH, VL53L1_WARNING_ZONE_CAL_RATE_TOO_HIGH, status); #ifdef VL53L1_LOG_ENABLE VL53L1_print_zone_calibration_results( &(pres->zone_cal), "run_zone_calibration():pdev->llresults.zone_cal.", VL53L1_TRACE_MODULE_OFFSET_DATA); #endif LOG_FUNCTION_END(status); return status; } VL53L1_Error VL53L1_run_spad_rate_map( VL53L1_DEV Dev, VL53L1_DeviceTestMode device_test_mode, VL53L1_DeviceSscArray array_select, uint32_t ssc_config_timeout_us, VL53L1_spad_rate_data_t *pspad_rate_data) { VL53L1_Error status = VL53L1_ERROR_NONE; VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev); LOG_FUNCTION_START(""); if (status == VL53L1_ERROR_NONE) status = VL53L1_enable_powerforce(Dev); if (status == VL53L1_ERROR_NONE) { pdev->ssc_cfg.array_select = array_select; pdev->ssc_cfg.timeout_us = ssc_config_timeout_us; status = VL53L1_set_ssc_config( Dev, &(pdev->ssc_cfg), pdev->stat_nvm.osc_measured__fast_osc__frequency); } if (status == VL53L1_ERROR_NONE) status = VL53L1_run_device_test( Dev, device_test_mode); if (status == VL53L1_ERROR_NONE) status = VL53L1_get_spad_rate_data( Dev, pspad_rate_data); if (device_test_mode == VL53L1_DEVICETESTMODE_LCR_VCSEL_ON) pspad_rate_data->fractional_bits = 7; else pspad_rate_data->fractional_bits = 15; if (status == VL53L1_ERROR_NONE) status = VL53L1_disable_powerforce(Dev); #ifdef VL53L1_LOG_ENABLE if (status == VL53L1_ERROR_NONE) { VL53L1_print_spad_rate_data( pspad_rate_data, "run_spad_rate_map():", VL53L1_TRACE_MODULE_SPAD_RATE_MAP); VL53L1_print_spad_rate_map( pspad_rate_data, "run_spad_rate_map():", VL53L1_TRACE_MODULE_SPAD_RATE_MAP); } #endif LOG_FUNCTION_END(status); return status; } VL53L1_Error VL53L1_run_device_test( VL53L1_DEV Dev, VL53L1_DeviceTestMode device_test_mode) { VL53L1_Error status = VL53L1_ERROR_NONE; VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev); uint8_t comms_buffer[2]; uint8_t gpio_hv_mux__ctrl = 0; LOG_FUNCTION_START(""); if (status == VL53L1_ERROR_NONE) status = VL53L1_RdByte( Dev, VL53L1_GPIO_HV_MUX__CTRL, &gpio_hv_mux__ctrl); if (status == VL53L1_ERROR_NONE) pdev->stat_cfg.gpio_hv_mux__ctrl = gpio_hv_mux__ctrl; if (status == VL53L1_ERROR_NONE) status = VL53L1_start_test( Dev, device_test_mode); if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_test_completion(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_ReadMulti( Dev, VL53L1_RESULT__RANGE_STATUS, comms_buffer, 2); if (status == VL53L1_ERROR_NONE) { pdev->sys_results.result__range_status = comms_buffer[0]; pdev->sys_results.result__report_status = comms_buffer[1]; } pdev->sys_results.result__range_status &= VL53L1_RANGE_STATUS__RANGE_STATUS_MASK; if (status == VL53L1_ERROR_NONE) { trace_print( VL53L1_TRACE_LEVEL_INFO, " Device Test Complete:\n\t%-32s = %3u\n\t%-32s = %3u\n", "result__range_status", pdev->sys_results.result__range_status, "result__report_status", pdev->sys_results.result__report_status); if (status == VL53L1_ERROR_NONE) status = VL53L1_clear_interrupt(Dev); } if (status == VL53L1_ERROR_NONE) status = VL53L1_start_test( Dev, 0x00); LOG_FUNCTION_END(status); return status; } void VL53L1_hist_xtalk_extract_data_init( VL53L1_hist_xtalk_extract_data_t *pxtalk_data) { int32_t lb = 0; pxtalk_data->sample_count = 0U; pxtalk_data->pll_period_mm = 0U; pxtalk_data->peak_duration_us_sum = 0U; pxtalk_data->effective_spad_count_sum = 0U; pxtalk_data->zero_distance_phase_sum = 0U; pxtalk_data->zero_distance_phase_avg = 0U; pxtalk_data->event_scaler_sum = 0U; pxtalk_data->event_scaler_avg = 4096U; pxtalk_data->signal_events_sum = 0; pxtalk_data->xtalk_rate_kcps_per_spad = 0U; pxtalk_data->VL53L1_p_015 = 0U; pxtalk_data->VL53L1_p_016 = 0U; pxtalk_data->target_start = 0U; for (lb = 0; lb < VL53L1_XTALK_HISTO_BINS; lb++) pxtalk_data->bin_data_sums[lb] = 0; } VL53L1_Error VL53L1_hist_xtalk_extract_update( int16_t target_distance_mm, uint16_t target_width_oversize, VL53L1_histogram_bin_data_t *phist_bins, VL53L1_hist_xtalk_extract_data_t *pxtalk_data) { VL53L1_Error status = VL53L1_ERROR_NONE; LOG_FUNCTION_START(""); status = VL53L1_hist_xtalk_extract_calc_window( target_distance_mm, target_width_oversize, phist_bins, pxtalk_data); if (status == VL53L1_ERROR_NONE) { status = VL53L1_hist_xtalk_extract_calc_event_sums( phist_bins, pxtalk_data); } LOG_FUNCTION_END(status); return status; } VL53L1_Error VL53L1_hist_xtalk_extract_fini( VL53L1_histogram_bin_data_t *phist_bins, VL53L1_hist_xtalk_extract_data_t *pxtalk_data, VL53L1_xtalk_calibration_results_t *pxtalk_cal, VL53L1_xtalk_histogram_shape_t *pxtalk_shape) { VL53L1_Error status = VL53L1_ERROR_NONE; VL53L1_xtalk_calibration_results_t *pX = pxtalk_cal; LOG_FUNCTION_START(""); if (pxtalk_data->sample_count > 0) { pxtalk_data->event_scaler_avg = pxtalk_data->event_scaler_sum; pxtalk_data->event_scaler_avg += (pxtalk_data->sample_count >> 1); pxtalk_data->event_scaler_avg /= pxtalk_data->sample_count; status = VL53L1_hist_xtalk_extract_calc_rate_per_spad( pxtalk_data); if (status == VL53L1_ERROR_NONE) { pxtalk_data->zero_distance_phase_avg = pxtalk_data->zero_distance_phase_sum; pxtalk_data->zero_distance_phase_avg += (pxtalk_data->sample_count >> 1); pxtalk_data->zero_distance_phase_avg /= pxtalk_data->sample_count; status = VL53L1_hist_xtalk_extract_calc_shape( pxtalk_data, pxtalk_shape); pxtalk_shape->phasecal_result__vcsel_start = phist_bins->phasecal_result__vcsel_start; pxtalk_shape->cal_config__vcsel_start = phist_bins->cal_config__vcsel_start; pxtalk_shape->vcsel_width = phist_bins->vcsel_width; pxtalk_shape->VL53L1_p_019 = phist_bins->VL53L1_p_019; } if (status == VL53L1_ERROR_NONE) { pX->algo__crosstalk_compensation_plane_offset_kcps = pxtalk_data->xtalk_rate_kcps_per_spad; pX->algo__crosstalk_compensation_x_plane_gradient_kcps = 0U; pX->algo__crosstalk_compensation_y_plane_gradient_kcps = 0U; } } LOG_FUNCTION_END(status); return status; } VL53L1_Error VL53L1_run_hist_xtalk_extraction( VL53L1_DEV Dev, int16_t cal_distance_mm, VL53L1_Error *pcal_status) { #define OVERSIZE 4 VL53L1_Error status = VL53L1_ERROR_NONE; VL53L1_LLDriverData_t *pdev = VL53L1DevStructGetLLDriverHandle(Dev); VL53L1_xtalkextract_config_t *pX = &(pdev->xtalk_extract_cfg); VL53L1_xtalk_config_t *pC = &(pdev->xtalk_cfg); VL53L1_xtalk_calibration_results_t *pXC = &(pdev->xtalk_cal); uint8_t smudge_corr_en = 0; uint8_t i = 0; int8_t k = 0; uint8_t nbloops; int32_t initMergeSize = 0; int32_t MergeEnabled = 0; uint32_t deltaXtalk; uint32_t stepXtalk; uint32_t XtalkMin; uint32_t XtalkMax; uint8_t measurement_mode = VL53L1_DEVICEMEASUREMENTMODE_BACKTOBACK; int8_t MaxId; uint8_t histo_merge_nb; uint8_t wait_for_accumulation; VL53L1_range_results_t *prange_results = (VL53L1_range_results_t *) pdev->wArea1; uint8_t Very1stRange = 0; LOG_FUNCTION_START(""); if (status == VL53L1_ERROR_NONE) status = VL53L1_set_preset_mode( Dev, VL53L1_DEVICEPRESETMODE_HISTOGRAM_LONG_RANGE, pX->dss_config__target_total_rate_mcps, pX->phasecal_config_timeout_us, pX->mm_config_timeout_us, pX->range_config_timeout_us, 100); if (status == VL53L1_ERROR_NONE) status = VL53L1_disable_xtalk_compensation(Dev); smudge_corr_en = pdev->smudge_correct_config.smudge_corr_enabled; if (status == VL53L1_ERROR_NONE) status = VL53L1_dynamic_xtalk_correction_disable(Dev); VL53L1_load_patch(Dev); VL53L1_get_tuning_parm(Dev, VL53L1_TUNINGPARM_HIST_MERGE_MAX_SIZE, &initMergeSize); VL53L1_get_tuning_parm(Dev, VL53L1_TUNINGPARM_HIST_MERGE, &MergeEnabled); memset(&pdev->xtalk_cal, 0, sizeof(pdev->xtalk_cal)); if (status == VL53L1_ERROR_NONE) status = VL53L1_init_and_start_range( Dev, measurement_mode, VL53L1_DEVICECONFIGLEVEL_CUSTOMER_ONWARDS); MaxId = pdev->tuning_parms.tp_hist_merge_max_size - 1; nbloops = (MergeEnabled == 0 ? 1 : 2); for (k = 0; k < nbloops; k++) { VL53L1_hist_xtalk_extract_data_init( &(pdev->xtalk_extract)); VL53L1_set_tuning_parm(Dev, VL53L1_TUNINGPARM_HIST_MERGE_MAX_SIZE, k * MaxId + 1); for (i = 0; i <= pX->num_of_samples; i++) { if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_range_completion(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_get_device_results(Dev, VL53L1_DEVICERESULTSLEVEL_FULL, prange_results); Very1stRange = (pdev->ll_state.rd_device_state == VL53L1_DEVICESTATE_RANGING_WAIT_GPH_SYNC); VL53L1_compute_histo_merge_nb(Dev, &histo_merge_nb); wait_for_accumulation = ((k != 0) && (MergeEnabled) && (status == VL53L1_ERROR_NONE) && (histo_merge_nb < pdev->tuning_parms.tp_hist_merge_max_size)); if (wait_for_accumulation) i = 0; else { if ((status == VL53L1_ERROR_NONE) && (!Very1stRange)) { status = VL53L1_hist_xtalk_extract_update( cal_distance_mm, OVERSIZE, &(pdev->hist_data), &(pdev->xtalk_extract)); } } if (status == VL53L1_ERROR_NONE) status = VL53L1_wait_for_firmware_ready(Dev); if (status == VL53L1_ERROR_NONE) status = VL53L1_clear_interrupt_and_enable_next_range( Dev, measurement_mode); if (status == VL53L1_ERROR_NONE) status = VL53L1_hist_xtalk_extract_fini( &(pdev->hist_data), &(pdev->xtalk_extract), &(pdev->xtalk_cal), &(pdev->xtalk_shapes.xtalk_shape)); if (status != VL53L1_ERROR_NONE) goto LOOPOUT; pXC->algo__xtalk_cpo_HistoMerge_kcps[k * MaxId] = pXC->algo__crosstalk_compensation_plane_offset_kcps; } } LOOPOUT: VL53L1_stop_range(Dev); VL53L1_set_tuning_parm(Dev, VL53L1_TUNINGPARM_HIST_MERGE_MAX_SIZE, initMergeSize); VL53L1_unload_patch(Dev); if (status != VL53L1_ERROR_NONE) status = VL53L1_ERROR_XTALK_EXTRACTION_SIGMA_LIMIT_FAIL; else if ((MergeEnabled == 1) && (MaxId > 0)) { XtalkMin = pXC->algo__xtalk_cpo_HistoMerge_kcps[0]; XtalkMax = pXC->algo__xtalk_cpo_HistoMerge_kcps[MaxId]; pXC->algo__crosstalk_compensation_plane_offset_kcps = XtalkMin; if (XtalkMax >= XtalkMin) { deltaXtalk = XtalkMax - XtalkMin; stepXtalk = deltaXtalk / MaxId; for (k = 1; k < MaxId; k++) pXC->algo__xtalk_cpo_HistoMerge_kcps[k] = XtalkMin + stepXtalk * k; } else status = VL53L1_ERROR_XTALK_EXTRACTION_SIGMA_LIMIT_FAIL; } if (status == VL53L1_ERROR_NONE) { pC->algo__crosstalk_compensation_x_plane_gradient_kcps = pXC->algo__crosstalk_compensation_x_plane_gradient_kcps; pC->algo__crosstalk_compensation_y_plane_gradient_kcps = pXC->algo__crosstalk_compensation_y_plane_gradient_kcps; pC->algo__crosstalk_compensation_plane_offset_kcps = pXC->algo__crosstalk_compensation_plane_offset_kcps; } pdev->xtalk_results.cal_status = status; *pcal_status = pdev->xtalk_results.cal_status; status = VL53L1_enable_xtalk_compensation(Dev); if (smudge_corr_en == 1) status = VL53L1_dynamic_xtalk_correction_enable(Dev); #ifdef VL53L1_LOG_ENABLE VL53L1_print_customer_nvm_managed( &(pdev->customer), "run_xtalk_extraction():pdev->lldata.customer.", VL53L1_TRACE_MODULE_XTALK_DATA); VL53L1_print_xtalk_config( &(pdev->xtalk_cfg), "run_xtalk_extraction():pdev->lldata.xtalk_cfg.", VL53L1_TRACE_MODULE_XTALK_DATA); VL53L1_print_xtalk_histogram_data( &(pdev->xtalk_shapes), "pdev->lldata.xtalk_shapes.", VL53L1_TRACE_MODULE_XTALK_DATA); #endif LOG_FUNCTION_END(status); return status; }