Detected people approaching if the distance is < 6 feet then LEDs blinking RED otherwise LEDs light green.

Dependencies:   mbed X_NUCLEO_53L1A1_mbed WS2812

Revision:
1:092ee96f479a
Parent:
0:ea8694e55809
--- a/main.cpp	Tue Sep 29 09:30:43 2020 +0000
+++ b/main.cpp	Sun Nov 01 20:23:28 2020 +0000
@@ -73,10 +73,9 @@
         sensor= NULL;
         printf("Sensor centre not present\n\r");
     }
-    status = sensor->vl53l1x_set_distance_mode(1); // short distance mode better ambient immunity
     status = sensor->vl53l1x_set_timing_budget_in_ms(100); // good trade off between accuracy and power consumption
     status = sensor->vl53l1x_set_inter_measurement_in_ms(500); // perform one ranging every second
-    status = sensor->vl53l1x_set_distance_threshold(1100, 1100, 0, 0); // interrupt if distance < 1.1 m
+    status = sensor->vl53l1x_set_distance_threshold(1900, 1900, 0, 0); // interrupt if distance < 1.9 m (~6 feet)
     status = start_ranging();
     if (status != 0) {
         printf("Failed to start ranging!\r\n");