combined sourcode for mostly esp8266 sensor iot nodes.
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//Connect SCL to D1, SDA to D2, GND and 3v3
#include "sensor_vl53l1x.h"
Sensor_VL53L1X::Sensor_VL53L1X()
{
vl53l1x = new VL53L1X();
}
void Sensor_VL53L1X::init() //Things to be done during setup()
{
Serial.println("initializing vl53l1x");
vl53l1x->setTimeout(500);
if (!vl53l1x->init()) {
Serial.println("No vl53l1x found!");
}else{
init_ok=true;
vl53l1x->setDistanceMode(VL53L1X::Long);
vl53l1x->setMeasurementTimingBudget(50000);
vl53l1x->startContinuous(1000); //This period should be at least as long as the timing budget.
}
}
//Also called during setup()
void Sensor_VL53L1X::setSettings(float minchange, unsigned long senddelaymax, unsigned long readdelay)
{
data.minchange=minchange;
data.senddelaymax=senddelaymax;
data.readdelay=readdelay;
}
//Called during setup
void Sensor_VL53L1X::advertise(HomieNode& p_sensorNode)
{
sensorNode = &p_sensorNode;
sensorNode->advertise("tofstatus");
sensorNode->advertise("tofrange");
sensorNode->advertise("tofpeaksignal");
sensorNode->advertise("tofambient");
}
void Sensor_VL53L1X::sensorloop()
{
if (init_ok) {
sensordata &d=data;
bool _changed=false;
if (millis() >= (d.lastreadtime+d.readdelay)) {
if (millis() >= (lastread_vl53l1x+d.readdelay)) { //avoid reading sensor twice in a short time
//tcs.getRawData(&value_tcs_r, &value_tcs_g, &value_tcs_b, &value_tcs_c);
vl53l1x->read();
lastread_vl53l1x=millis();
}
d.value=vl53l1x->ranging_data.range_mm;
/* for debugging
Serial.print("range: ");
Serial.print(vl53l1x.ranging_data.range_mm);
Serial.print("\tstatus: ");
Serial.print(VL53L1X::rangeStatusToString(vl53l1x.ranging_data.range_status));
Serial.print("\tstatus=");
Serial.print(vl53l1x.ranging_data.range_status);
Serial.print("\tpeak signal: ");
Serial.print(vl53l1x.ranging_data.peak_signal_count_rate_MCPS);
Serial.print("\tambient: ");
Serial.print(vl53l1x.ranging_data.ambient_count_rate_MCPS);
Serial.println();
*/
if (abs((int)d.lastsentvalue-d.value)>=d.minchange){ //int abs
_changed=true;
}
if (lastsentvalue_vl53l1x_status!=vl53l1x->ranging_data.range_status) { //sensor status changed
_changed=true;
}
d.lastreadtime=millis();
}
if (_changed || millis() >= (d.lastsent+d.senddelaymax)) {
Serial.print("Sending VL53L1X range. reason=");
if (_changed) Serial.println("change"); else Serial.println("time");
Homie.getLogger() << "range vl53l1x " << ": " << d.value << endl;
sensorNode->setProperty("tofstatus").send(VL53L1X::rangeStatusToString(vl53l1x->ranging_data.range_status));
sensorNode->setProperty("tofrange").send(String(d.value));
sensorNode->setProperty("tofpeaksignal").send(String(vl53l1x->ranging_data.peak_signal_count_rate_MCPS));
sensorNode->setProperty("tofambient").send(String(vl53l1x->ranging_data.ambient_count_rate_MCPS));
d.lastsentvalue=d.value;
lastsentvalue_vl53l1x_status=vl53l1x->ranging_data.range_status;
d.lastsent=millis();
}
}
}