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.
Diff: src/vl53l1_hist_funcs.c
- Revision:
- 0:3ac96e360672
- Child:
- 7:1add29d51e72
diff -r 000000000000 -r 3ac96e360672 src/vl53l1_hist_funcs.c --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/vl53l1_hist_funcs.c Fri Nov 06 10:06:37 2020 +0000 @@ -0,0 +1,288 @@ + +/******************************************************************************* + This file is part of VL53L1 Protected + + Copyright (c) 2020, STMicroelectronics - All Rights Reserved + + License terms: STMicroelectronics Proprietary in accordance with licensing + terms at www.st.com/sla0081 + + STMicroelectronics confidential + Reproduction and Communication of this document is strictly prohibited unless + specifically authorized in writing by STMicroelectronics. + +*/ + + + + + + + +#include "vl53l1_types.h" +#include "vl53l1_platform_log.h" + +#include "vl53l1_core_support.h" +#include "vl53l1_error_codes.h" +#include "vl53l1_ll_def.h" + +#include "vl53l1_hist_funcs.h" +#include "vl53l1_hist_core.h" +#include "vl53l1_hist_private_structs.h" +#include "vl53l1_dmax_private_structs.h" +#include "vl53l1_xtalk.h" +#include "vl53l1_hist_algos_gen3.h" +#include "vl53l1_hist_algos_gen4.h" +#include "vl53l1_dmax.h" + + + +#define LOG_FUNCTION_START(fmt, ...) \ + _LOG_FUNCTION_START(VL53L1_TRACE_MODULE_HISTOGRAM, fmt, ##__VA_ARGS__) +#define LOG_FUNCTION_END(status, ...) \ + _LOG_FUNCTION_END(VL53L1_TRACE_MODULE_HISTOGRAM, status, ##__VA_ARGS__) +#define LOG_FUNCTION_END_FMT(status, fmt, ...) \ + _LOG_FUNCTION_END_FMT(VL53L1_TRACE_MODULE_HISTOGRAM, \ + status, fmt, ##__VA_ARGS__) + +#define trace_print(level, ...) \ + _LOG_TRACE_PRINT(VL53L1_TRACE_MODULE_HISTOGRAM, \ + level, VL53L1_TRACE_FUNCTION_NONE, ##__VA_ARGS__) + + +VL53L1_Error VL53L1_hist_process_data( + VL53L1_dmax_calibration_data_t *pdmax_cal, + VL53L1_hist_gen3_dmax_config_t *pdmax_cfg, + VL53L1_hist_post_process_config_t *ppost_cfg, + VL53L1_histogram_bin_data_t *pbins_input, + VL53L1_xtalk_histogram_data_t *pxtalk_shape, + uint8_t *pArea1, + uint8_t *pArea2, + VL53L1_range_results_t *presults, + uint8_t *HistMergeNumber) +{ + + + + VL53L1_Error status = VL53L1_ERROR_NONE; + + VL53L1_hist_gen3_algo_private_data_t *palgo_gen3 = + (VL53L1_hist_gen3_algo_private_data_t *) pArea1; + VL53L1_hist_gen4_algo_filtered_data_t *pfiltered4 = + (VL53L1_hist_gen4_algo_filtered_data_t *) pArea2; + + VL53L1_hist_gen3_dmax_private_data_t dmax_algo_gen3; + VL53L1_hist_gen3_dmax_private_data_t *pdmax_algo_gen3 = + &dmax_algo_gen3; + + VL53L1_histogram_bin_data_t bins_averaged; + VL53L1_histogram_bin_data_t *pbins_averaged = &bins_averaged; + + VL53L1_range_data_t *pdata; + + uint32_t xtalk_rate_kcps = 0; + uint32_t max_xtalk_rate_per_spad_kcps = 0; + uint8_t xtalk_enable = 0; + uint8_t r = 0; + uint8_t t = 0; + uint32_t XtalkDetectMaxSigma = 0; + + + int16_t delta_mm = 0; + + + LOG_FUNCTION_START(""); + + + + VL53L1_f_039( + pbins_input, + pbins_averaged); + + + + VL53L1_init_histogram_bin_data_struct( + 0, + pxtalk_shape->xtalk_shape.VL53L1_p_024, + &(pxtalk_shape->xtalk_hist_removed)); + + + + VL53L1_copy_xtalk_bin_data_to_histogram_data_struct( + &(pxtalk_shape->xtalk_shape), + &(pxtalk_shape->xtalk_hist_removed)); + + + + if ((status == VL53L1_ERROR_NONE) && + (ppost_cfg->algo__crosstalk_compensation_enable > 0)) + status = + VL53L1_f_040( + ppost_cfg->algo__crosstalk_compensation_plane_offset_kcps, + ppost_cfg->algo__crosstalk_compensation_x_plane_gradient_kcps, + ppost_cfg->algo__crosstalk_compensation_y_plane_gradient_kcps, + 0, + 0, + pbins_input->result__dss_actual_effective_spads, + pbins_input->roi_config__user_roi_centre_spad, + pbins_input->roi_config__user_roi_requested_global_xy_size, + &(xtalk_rate_kcps)); + + + + if ((status == VL53L1_ERROR_NONE) && + (ppost_cfg->algo__crosstalk_compensation_enable > 0)) + status = + VL53L1_f_041( + pbins_averaged, + &(pxtalk_shape->xtalk_shape), + xtalk_rate_kcps, + &(pxtalk_shape->xtalk_hist_removed)); + + + + + + presults->xmonitor.total_periods_elapsed = + pbins_averaged->total_periods_elapsed; + presults->xmonitor.VL53L1_p_006 = + pbins_averaged->result__dss_actual_effective_spads; + + presults->xmonitor.peak_signal_count_rate_mcps = 0; + presults->xmonitor.VL53L1_p_012 = 0; + + presults->xmonitor.range_id = 0; + presults->xmonitor.range_status = VL53L1_DEVICEERROR_NOUPDATE; + + + + xtalk_enable = 0; + if (ppost_cfg->algo__crosstalk_compensation_enable > 0) + xtalk_enable = 1; + + + + for (r = 0 ; r <= xtalk_enable ; r++) { + + + ppost_cfg->algo__crosstalk_compensation_enable = r; + + + + status = + VL53L1_f_033( + pdmax_cal, + pdmax_cfg, + ppost_cfg, + pbins_averaged, + &(pxtalk_shape->xtalk_hist_removed), + palgo_gen3, + pfiltered4, + pdmax_algo_gen3, + presults, + *HistMergeNumber); + + + if (!(status == VL53L1_ERROR_NONE && r == 0)) + continue; + + + + if (presults->active_results == 0) { + pdata = &(presults->VL53L1_p_002[0]); + pdata->ambient_count_rate_mcps = + pdmax_algo_gen3->VL53L1_p_001; + pdata->VL53L1_p_006 = + pdmax_algo_gen3->VL53L1_p_006; + } + + + + max_xtalk_rate_per_spad_kcps = (uint32_t)( + ppost_cfg->algo__crosstalk_detect_max_valid_rate_kcps); + max_xtalk_rate_per_spad_kcps *= (uint32_t)(*HistMergeNumber); + max_xtalk_rate_per_spad_kcps <<= 4; + + for (t = 0 ; t < presults->active_results ; t++) { + + pdata = &(presults->VL53L1_p_002[t]); + + + + if (pdata->max_range_mm > pdata->min_range_mm) + delta_mm = + pdata->max_range_mm - + pdata->min_range_mm; + else + delta_mm = + pdata->min_range_mm - + pdata->max_range_mm; + + XtalkDetectMaxSigma = + ppost_cfg->algo__crosstalk_detect_max_sigma_mm; + XtalkDetectMaxSigma *= (uint32_t)(*HistMergeNumber); + XtalkDetectMaxSigma <<= 5; + if (pdata->median_range_mm > + ppost_cfg->algo__crosstalk_detect_min_valid_range_mm && + pdata->median_range_mm < + ppost_cfg->algo__crosstalk_detect_max_valid_range_mm && + pdata->VL53L1_p_012 < + max_xtalk_rate_per_spad_kcps && + pdata->VL53L1_p_005 < XtalkDetectMaxSigma && + delta_mm < + ppost_cfg->algo__crosstalk_detect_min_max_tolerance) { + + + + memcpy( + &(presults->xmonitor), + pdata, + sizeof(VL53L1_range_data_t)); + + } + } + + } + + + + ppost_cfg->algo__crosstalk_compensation_enable = xtalk_enable; + + LOG_FUNCTION_END(status); + + return status; +} + + +VL53L1_Error VL53L1_hist_ambient_dmax( + uint16_t target_reflectance, + VL53L1_dmax_calibration_data_t *pdmax_cal, + VL53L1_hist_gen3_dmax_config_t *pdmax_cfg, + VL53L1_histogram_bin_data_t *pbins, + int16_t *pambient_dmax_mm) +{ + + + + VL53L1_Error status = VL53L1_ERROR_NONE; + + VL53L1_hist_gen3_dmax_private_data_t dmax_algo; + VL53L1_hist_gen3_dmax_private_data_t *pdmax_algo = &dmax_algo; + + LOG_FUNCTION_START(""); + + status = + VL53L1_f_001( + target_reflectance, + pdmax_cal, + pdmax_cfg, + pbins, + pdmax_algo, + pambient_dmax_mm); + + LOG_FUNCTION_END(status); + + return status; +} + +