Initial import

code/lib/Adafruit_VL53L0X-1.2.3/examples/vl53l0x_Interrupt/vl53l0x_Interrupt.ino

@@ -0,0 +1,90 @@
+#include "Adafruit_VL53L0X.h"
+const byte VL53LOX_InterruptPin = 6;
+const byte VL53LOX_ShutdownPin = 9;
+volatile byte VL53LOX_State = LOW;
+Adafruit_VL53L0X lox = Adafruit_VL53L0X();
+
+void setup() {
+  Serial.begin(115200);
+
+  // wait until serial port opens for native USB devices
+  while (!Serial) {
+    delay(1);
+  }
+  Serial.println(F("VL53L0X API Interrupt Ranging example\n\n"));
+
+  pinMode(VL53LOX_ShutdownPin, INPUT_PULLUP);
+  pinMode(VL53LOX_InterruptPin, INPUT_PULLUP);
+  attachInterrupt(digitalPinToInterrupt(VL53LOX_InterruptPin), VL53LOXISR,
+                  CHANGE);
+  pinMode(LED_BUILTIN, OUTPUT);
+  digitalWrite(LED_BUILTIN, LOW);
+
+  // if lox.begin failes its becasue it was a warm boot and the VL53LOX is in
+  // continues mesurement mode we can use an IO pin to reset the device in case
+  // we get stuck in this mode
+  while (!lox.begin()) {
+    Serial.println(F("Failed to boot VL53L0X"));
+    Serial.println("Adafruit VL53L0X XShut set Low to Force HW Reset");
+    digitalWrite(VL53LOX_ShutdownPin, LOW);
+    delay(100);
+    digitalWrite(VL53LOX_ShutdownPin, HIGH);
+    Serial.println("Adafruit VL53L0X XShut set high to Allow Boot");
+    delay(100);
+  }
+
+  // Second Parameter options are VL53L0X_GPIOFUNCTIONALITY_OFF,
+  // VL53L0X_GPIOFUNCTIONALITY_THRESHOLD_CROSSED_LOW,
+  // VL53L0X_GPIOFUNCTIONALITY_THRESHOLD_CROSSED_HIGH,
+  // VL53L0X_GPIOFUNCTIONALITY_THRESHOLD_CROSSED_OUT,
+  // VL53L0X_GPIOFUNCTIONALITY_NEW_MEASURE_READY
+
+  Serial.println("Set GPIO Config so if range is lower the LowThreshold "
+                 "trigger Gpio Pin ");
+  lox.setGpioConfig(VL53L0X_DEVICEMODE_CONTINUOUS_RANGING,
+                    VL53L0X_GPIOFUNCTIONALITY_THRESHOLD_CROSSED_LOW,
+                    VL53L0X_INTERRUPTPOLARITY_LOW);
+
+  // Set Interrupt Treashholds
+  // Low reading set to 50mm  High Set to 100mm
+  FixPoint1616_t LowThreashHold = (50 * 65536.0);
+  FixPoint1616_t HighThreashHold = (100 * 65536.0);
+  Serial.println("Set Interrupt Threasholds... ");
+  lox.setInterruptThresholds(LowThreashHold, HighThreashHold, true);
+
+  // Enable Continous Measurement Mode
+  Serial.println("Set Mode VL53L0X_DEVICEMODE_CONTINUOUS_RANGING... ");
+  lox.setDeviceMode(VL53L0X_DEVICEMODE_CONTINUOUS_RANGING, false);
+
+  Serial.println("StartMeasurement... ");
+  lox.startMeasurement();
+}
+
+void VL53LOXISR() {
+  // Read if we are high or low
+  VL53LOX_State = digitalRead(VL53LOX_InterruptPin);
+  // set the built in LED to reflect in range on for Out of range off for in
+  // range
+  digitalWrite(LED_BUILTIN, VL53LOX_State);
+}
+
+void loop() {
+  if (VL53LOX_State == LOW) {
+    VL53L0X_RangingMeasurementData_t measure;
+    Serial.print("Reading a measurement... ");
+    lox.getRangingMeasurement(
+        &measure, false); // pass in 'true' to get debug data printout!
+
+    if (measure.RangeStatus != 4) { // phase failures have incorrect data
+      Serial.print("Distance (mm): ");
+      Serial.println(measure.RangeMilliMeter);
+    } else {
+      Serial.println(" out of range ");
+    }
+    // you have to clear the interrupt to get triggered again
+    lox.clearInterruptMask(false);
+
+  } else {
+    delay(10);
+  }
+}