188 lines
5.1 KiB
C
188 lines
5.1 KiB
C
/**
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*
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* Copyright (c) 2021 STMicroelectronics.
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* All rights reserved.
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*
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* This software is licensed under terms that can be found in the LICENSE file
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* in the root directory of this software component.
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* If no LICENSE file comes with this software, it is provided AS-IS.
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*
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******************************************************************************
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*/
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#include "vl53l8cx_plugin_detection_thresholds.h"
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uint8_t vl53l8cx_get_detection_thresholds_enable(
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VL53L8CX_Configuration *p_dev,
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uint8_t *p_enabled)
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{
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uint8_t status = VL53L8CX_STATUS_OK;
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status |= vl53l8cx_dci_read_data(p_dev, (uint8_t*)p_dev->temp_buffer,
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VL53L8CX_DCI_DET_THRESH_GLOBAL_CONFIG, 8);
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*p_enabled = p_dev->temp_buffer[0x1];
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return status;
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}
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uint8_t vl53l8cx_set_detection_thresholds_enable(
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VL53L8CX_Configuration *p_dev,
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uint8_t enabled)
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{
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uint8_t tmp, status = VL53L8CX_STATUS_OK;
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uint8_t grp_global_config[] = {0x01, 0x00, 0x01, 0x00};
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if(enabled == (uint8_t)1)
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{
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grp_global_config[0x01] = 0x01;
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tmp = 0x04;
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}
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else
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{
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grp_global_config[0x01] = 0x00;
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tmp = 0x0C;
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}
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/* Set global interrupt config */
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status |= vl53l8cx_dci_replace_data(p_dev, p_dev->temp_buffer,
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VL53L8CX_DCI_DET_THRESH_GLOBAL_CONFIG, 8,
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(uint8_t*)&grp_global_config, 4, 0x00);
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/* Update interrupt config */
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status |= vl53l8cx_dci_replace_data(p_dev, p_dev->temp_buffer,
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VL53L8CX_DCI_DET_THRESH_CONFIG, 20,
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(uint8_t*)&tmp, 1, 0x11);
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return status;
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}
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uint8_t vl53l8cx_get_detection_thresholds(
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VL53L8CX_Configuration *p_dev,
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VL53L8CX_DetectionThresholds *p_thresholds)
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{
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uint8_t i, status = VL53L8CX_STATUS_OK;
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/* Get thresholds configuration */
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status |= vl53l8cx_dci_read_data(p_dev, (uint8_t*)p_thresholds,
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VL53L8CX_DCI_DET_THRESH_START,
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(uint16_t)VL53L8CX_NB_THRESHOLDS
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*(uint16_t)sizeof(VL53L8CX_DetectionThresholds));
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for(i = 0; i < (uint8_t)VL53L8CX_NB_THRESHOLDS; i++)
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{
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switch(p_thresholds[i].measurement)
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{
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case VL53L8CX_DISTANCE_MM:
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p_thresholds[i].param_low_thresh /= 4;
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p_thresholds[i].param_high_thresh /= 4;
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break;
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case VL53L8CX_SIGNAL_PER_SPAD_KCPS:
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p_thresholds[i].param_low_thresh /= 2048;
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p_thresholds[i].param_high_thresh /= 2048;
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break;
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case VL53L8CX_RANGE_SIGMA_MM:
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p_thresholds[i].param_low_thresh /= 128;
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p_thresholds[i].param_high_thresh /= 128;
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break;
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case VL53L8CX_AMBIENT_PER_SPAD_KCPS:
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p_thresholds[i].param_low_thresh /= 2048;
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p_thresholds[i].param_high_thresh /= 2048;
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break;
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case VL53L8CX_NB_SPADS_ENABLED:
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p_thresholds[i].param_low_thresh /= 256;
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p_thresholds[i].param_high_thresh /= 256;
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break;
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case VL53L8CX_MOTION_INDICATOR:
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p_thresholds[i].param_low_thresh /= 65535;
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p_thresholds[i].param_high_thresh /= 65535;
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break;
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default:
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break;
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}
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}
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return status;
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}
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uint8_t vl53l8cx_set_detection_thresholds(
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VL53L8CX_Configuration *p_dev,
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VL53L8CX_DetectionThresholds *p_thresholds)
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{
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uint8_t i, status = VL53L8CX_STATUS_OK;
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uint8_t grp_valid_target_cfg[] = {0x05, 0x05, 0x05, 0x05,
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0x05, 0x05, 0x05, 0x05};
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for(i = 0; i < (uint8_t) VL53L8CX_NB_THRESHOLDS; i++)
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{
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switch(p_thresholds->measurement)
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{
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case VL53L8CX_DISTANCE_MM:
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p_thresholds[i].param_low_thresh *= 4;
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p_thresholds[i].param_high_thresh *= 4;
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break;
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case VL53L8CX_SIGNAL_PER_SPAD_KCPS:
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p_thresholds[i].param_low_thresh *= 2048;
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p_thresholds[i].param_high_thresh *= 2048;
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break;
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case VL53L8CX_RANGE_SIGMA_MM:
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p_thresholds[i].param_low_thresh *= 128;
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p_thresholds[i].param_high_thresh *= 128;
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break;
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case VL53L8CX_AMBIENT_PER_SPAD_KCPS:
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p_thresholds[i].param_low_thresh *= 2048;
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p_thresholds[i].param_high_thresh *= 2048;
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break;
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case VL53L8CX_NB_SPADS_ENABLED:
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p_thresholds[i].param_low_thresh *= 256;
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p_thresholds[i].param_high_thresh *= 256;
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break;
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case VL53L8CX_MOTION_INDICATOR:
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p_thresholds[i].param_low_thresh *= 65535;
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p_thresholds[i].param_high_thresh *= 65535;
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break;
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default:
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break;
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}
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}
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/* Set valid target list */
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status |= vl53l8cx_dci_write_data(p_dev, (uint8_t*)grp_valid_target_cfg,
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VL53L8CX_DCI_DET_THRESH_VALID_STATUS,
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(uint16_t)sizeof(grp_valid_target_cfg));
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/* Set thresholds configuration */
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status |= vl53l8cx_dci_write_data(p_dev, (uint8_t*)p_thresholds,
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VL53L8CX_DCI_DET_THRESH_START,
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(uint16_t)(VL53L8CX_NB_THRESHOLDS
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*sizeof(VL53L8CX_DetectionThresholds)));
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return status;
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}
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uint8_t vl53l8cx_get_detection_thresholds_auto_stop(
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VL53L8CX_Configuration *p_dev,
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uint8_t *p_auto_stop)
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{
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uint8_t status = VL53L8CX_STATUS_OK;
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status |= vl53l8cx_dci_read_data(p_dev, (uint8_t*)p_dev->temp_buffer,
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VL53L8CX_DCI_PIPE_CONTROL, 4);
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*p_auto_stop = p_dev->temp_buffer[0x3];
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return status;
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}
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uint8_t vl53l8cx_set_detection_thresholds_auto_stop(
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VL53L8CX_Configuration *p_dev,
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uint8_t auto_stop)
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{
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uint8_t status = VL53L8CX_STATUS_OK;
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status |= vl53l8cx_dci_replace_data(p_dev, p_dev->temp_buffer,
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VL53L8CX_DCI_PIPE_CONTROL, 4,
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(uint8_t*)&auto_stop, 1, 0x03);
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p_dev->is_auto_stop_enabled = (uint8_t)auto_stop;
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return status;
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}
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