added support for TSL2561

examples/Sensor_Examples/TSL2561/TSL2561.ino

@@ -0,0 +1,67 @@
+#include <Wire.h>
+#include <Adafruit_Sensor.h>
+#include <Adafruit_TSL2561_U.h>
+
+#include "fdrs_sensor_config.h"
+#include <fdrs_node.h>
+   
+Adafruit_TSL2561_Unified tsl = Adafruit_TSL2561_Unified(TSL2561_ADDR_FLOAT, 12345);
+
+
+/**************************************************************************/
+/*
+    Configures the gain and integration time for the TSL2561
+*/
+/**************************************************************************/
+void configureSensor(void)
+{
+  /* You can also manually set the gain or enable auto-gain support */
+  // tsl.setGain(TSL2561_GAIN_1X);      /* No gain ... use in bright light to avoid sensor saturation */
+  // tsl.setGain(TSL2561_GAIN_16X);     /* 16x gain ... use in low light to boost sensitivity */
+  tsl.enableAutoRange(true);            /* Auto-gain ... switches automatically between 1x and 16x */
+  
+  /* Changing the integration time gives you better sensor resolution (402ms = 16-bit data) */
+  tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_13MS);      /* fast but low resolution */
+  // tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_101MS);  /* medium resolution and speed   */
+  // tsl.setIntegrationTime(TSL2561_INTEGRATIONTIME_402MS);  /* 16-bit data but slowest conversions */
+
+}
+
+/**************************************************************************/
+/*
+    Arduino setup function (automatically called at startup)
+*/
+/**************************************************************************/
+void setup(void) 
+{
+   beginFDRS();
+  /* Initialise the sensor */
+  //use tsl.begin() to default to Wire, 
+  //tsl.begin(&Wire2) directs api to use Wire2, etc.
+  if(!tsl.begin())
+  {
+    DBG("Ooops, no TSL2561 detected ... Check your wiring or I2C ADDR!");
+    while(1);
+  }
+  configureSensor();
+}
+
+void loop(void) 
+{  
+  sensors_event_t event;
+  tsl.getEvent(&event);
+  if (event.light)
+  {
+    DBG(String(event.light) + " lux");
+    loadFDRS(float(event.light), LIGHT_T);
+    sendFDRS();
+    sleepFDRS(10);  //Sleep time in seconds
+  }
+  else
+  {
+    /* If event.light = 0 lux the sensor is probably saturated
+       and no reliable data could be generated! */
+    Serial.println("Sensor overload");
+  }
+  delay(250);
+}

examples/Sensor_Examples/TSL2561/fdrs_sensor_config.h

@@ -0,0 +1,33 @@
+//  FARM DATA RELAY SYSTEM
+//
+//  Sensor Configuration
+
+#include <fdrs_globals.h>
+
+#define READING_ID    1   //Unique ID for this sensor
+#define GTWY_MAC      0x01 //Address of the nearest gateway
+
+#define USE_ESPNOW
+//#define USE_LORA
+#define DEEP_SLEEP
+//#define POWER_CTRL    14
+#define FDRS_DEBUG
+
+//SPI Configuration -- Needed only on chipsets with multiple SPI interfaces (ESP32)
+#define SPI_SCK 5
+#define SPI_MISO 19
+#define SPI_MOSI 27
+
+//LoRa Configuration
+#define LORA_SS 18
+#define LORA_RST 14
+#define LORA_DIO0 26
+//433E6 for Asia
+//866E6 for Europe
+//915E6 for North America
+//#define LORA_BAND 915E6     // LoRa Frequency Band
+//#define LORA_SF 7           // LoRa Spreading Factor
+//#define LORA_TXPWR 17       // LoRa TX power in dBm (+2dBm - +20dBm), default is +17dBm.  Lower power = less battery use
+//#define LORA_ACK      // Uncomment to enable request for LoRa ACKs at cost of increased battery usage
+//#define LORA_ACK_TIMEOUT 400   // ms timeout waiting for LoRa ACKs (if enabled).  Wouldn't go less than 200ms
+//#define LORA_RETRIES 2          // [0 - 3] When ACK enabled, number of sensor node tx retries when ACK not received or invalid CRC