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118 lines
4.3 KiB
C++
118 lines
4.3 KiB
C++
/*
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OpenMQTTGateway Addon - ESP8266 or Arduino program for home automation
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Act as a wifi or ethernet gateway between your 433mhz/infrared IR signal and a MQTT broker
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Send and receiving command by MQTT
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This is the Light Meter Addon based on modules with a TSL2561:
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- Measures ambient Light Intensity in Lux (lx), Foot Candela (ftcd) and Watt/m^2 (wattsm2)
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- Required Hardware Module: TSL2561 (for instance Banggood.com product ID 1129550)
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- Dependencies: Adafruit_TSL2561 and Adafruit_Sensor
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Connection Scheme:
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--------------------
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TSL2561------> Arduino Uno ----------> ESP8266
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==============================================
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Vcc ---------> 3.3V -----------------> 3.3V
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GND ---------> GND ------------------> GND
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SCL ---------> Pin A5 ---------------> D1
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SDA ---------> Pin A4 ---------------> D2
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ADD ---------> N/C (Not Connected) --> N/C (Not Connected)
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Copyright: (c) Chris Broekema
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This file is part of OpenMQTTGateway.
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OpenMQTTGateway is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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OpenMQTTGateway is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "User_config.h"
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#ifdef ZsensorTSL2561
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# include <Adafruit_Sensor.h>
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# include <Adafruit_TSL2561_U.h>
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# include "Wire.h"
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# include "math.h"
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Adafruit_TSL2561_Unified tsl = Adafruit_TSL2561_Unified(TSL2561_ADDR_FLOAT, 12345);
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void displaySensorDetails(void) {
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sensor_t sensor;
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tsl.getSensor(&sensor);
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Log.trace(F("------------------------------------" CR));
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Log.trace(("Sensor: %s" CR), sensor.name);
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Log.trace(("Driver Ver: %s" CR), sensor.version);
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Log.trace(("Unique ID: %s" CR), sensor.sensor_id);
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Log.trace(("Max Value: %s lux" CR), sensor.max_value);
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Log.trace(("Min Value: %s lux" CR), sensor.min_value);
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Log.trace(("Resolution: %s lux" CR), sensor.resolution);
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Log.trace(F("------------------------------------" CR));
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delay(500);
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}
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void setupZsensorTSL2561() {
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Log.notice(F("Setup TSL2561 on adress: %H" CR), TSL2561_ADDR_FLOAT);
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Wire.begin();
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Wire.beginTransmission(TSL2561_ADDR_FLOAT);
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if (!tsl.begin()) {
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Log.error(F("No TSL2561 detected" CR));
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}
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// enable auto ranging
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// tsl.setGain(TSL2561_GAIN_1X); /* No gain ... use in bright light to avoid sensor saturation */
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// tsl.setGain(TSL2561_GAIN_16X); /* 16x gain ... use in low light to boost sensitivity */
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tsl.enableAutoRange(true); /* Auto-gain ... switches automatically between 1x and 16x */
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// since we're slowly sampling, enable high resolution but slow mode TSL2561
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// tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_13MS); /* fast but low resolution */
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// tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_101MS); /* medium resolution and speed */
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tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_402MS);
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Log.trace(F("TSL2561 Initialized. Printing detials now." CR));
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displaySensorDetails();
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}
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void MeasureLightIntensityTSL2561() {
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if (millis() > (timetsl2561 + TimeBetweenReadingtsl2561)) {
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static uint32_t persisted_lux;
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timetsl2561 = millis();
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Log.trace(F("Creating TSL2561 buffer" CR));
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StaticJsonBuffer<JSON_MSG_BUFFER> jsonBuffer;
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JsonObject& TSL2561data = jsonBuffer.createObject();
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sensors_event_t event;
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tsl.getEvent(&event);
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if (event.light)
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// if event.light == 0 the sensor is clipping, do not send
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{
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if (persisted_lux != event.light || tsl2561_always) {
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persisted_lux = event.light;
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TSL2561data.set("lux", (float)event.light);
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TSL2561data.set("ftcd", (float)(event.light) / 10.764);
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TSL2561data.set("wattsm2", (float)(event.light) / 683.0);
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pub(subjectTSL12561toMQTT, TSL2561data);
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} else {
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Log.trace(F("Same lux value, do not send" CR));
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}
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} else {
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Log.error(F("Failed to read from TSL2561" CR));
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}
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}
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}
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#endif
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