sns: add SI1145 sensor

code/espurna/board.ino

@@ -294,6 +294,9 @@ PROGMEM const char espurna_sensors[] =
  #if ADE7953_SUPPORT
  "ADE7953 "
  #endif
+ #if SI1145_SUPPORT
+ "SI1145 "
+ #endif
  "";
 
 #endif // SENSOR_SUPPORT == 1

code/espurna/config/sensors.h

@@ -1225,6 +1225,32 @@
 #define EZOPH_SYNC_INTERVAL 1000 // Amount of time (in ms) sync new readings.
 #endif
 
+// -----------------------------------------------------------------------------
+// ADE7953 Shelly Sensor
+// Enable support by passing ADE7953_SUPPORT=1 build flag
+// -----------------------------------------------------------------------------
+
+#ifndef ADE7953_SUPPORT
+#define ADE7953_SUPPORT 0
+#endif
+
+#ifndef ADE7953_ADDRESS
+#define ADE7953_ADDRESS 0x38
+#endif
+
+// -----------------------------------------------------------------------------
+// SI1145 UV Sensor over I2C
+// Enable support by passing SI1145_SUPPORT=1 build flag
+// -----------------------------------------------------------------------------
+
+#ifndef SI1145_SUPPORT
+#define SI1145_SUPPORT 0
+#endif
+
+#ifndef SI1145_ADDRESS
+#define SI1145_ADDRESS 0x60
+#endif
+
 // -----------------------------------------------------------------------------
 // ADC
 // -----------------------------------------------------------------------------
@@ -1268,19 +1294,6 @@
 #define I2C_PERFORM_SCAN 1 // Perform a bus scan on boot
 #endif
 
-// -----------------------------------------------------------------------------
-// ADE7953 Shelly Sensor
-// Enable support by passing ADE7953_SUPPORT=1 build flag
-// -----------------------------------------------------------------------------
-
-#ifndef ADE7953_SUPPORT
-#define ADE7953_SUPPORT 0
-#endif
-
-#ifndef ADE7953_ADDRESS
-#define ADE7953_ADDRESS 0x38
-#endif
-
 // =============================================================================
 // Configuration helpers
 // =============================================================================
@@ -1294,6 +1307,7 @@
  EMON_ADC121_SUPPORT || \
  EMON_ADS1X15_SUPPORT || \
  SHT3X_I2C_SUPPORT || \
+ SI1145_SUPPORT || \
  SI7021_SUPPORT || \
  VEML6075_SUPPORT || \
  VL53L1X_SUPPORT \
@@ -1350,6 +1364,7 @@
  SDS011_SUPPORT || \
  SENSEAIR_SUPPORT || \
  SHT3X_I2C_SUPPORT || \
+ SI1145_SUPPORT || \
  SI7021_SUPPORT || \
  SONAR_SUPPORT || \
  T6613_SUPPORT || \

code/espurna/config/types.h

@@ -330,6 +330,7 @@
 #define SENSOR_LDR_ID 36
 #define SENSOR_ADE7953_ID 37
 #define SENSOR_T6613_ID 38
+#define SENSOR_SI1145_ID 39
 
 //--------------------------------------------------------------------------------
 // Magnitudes

code/espurna/sensor.h

@@ -311,5 +311,9 @@ void sensorLoop();
  #include "sensors/ADE7953Sensor.h"
 #endif
 
+#if SI1145_SUPPORT
+ #include "sensors/SI1145Sensor.h"
+#endif
+
 //--------------------------------------------------------------------------------
 

code/espurna/sensor.ino

@@ -1531,14 +1531,22 @@ void _sensorLoad() {
  }
  #endif
 
-  #if ADE7953_SUPPORT
+ #if ADE7953_SUPPORT
  {
  ADE7953Sensor * sensor = new ADE7953Sensor();
  sensor->setAddress(ADE7953_ADDRESS);
  _sensors.push_back(sensor);
  }
  #endif
 
+ #if SI1145_SUPPORT
+ {
+ SI1145Sensor * sensor = new SI1145Sensor();
+ sensor->setAddress(SI1145_ADDRESS);
+ _sensors.push_back(sensor);
+ }
+ #endif
+
 }
 
 void _sensorCallback(unsigned char i, unsigned char type, double value) {

code/espurna/sensors/I2CSensor.h

@@ -27,6 +27,9 @@
 
 #include "BaseSensor.h"
 
+// TODO: Must inherit from I2CSensor<>, not just I2CSensor. Even with default value :(
+// Perhaps I2CSensor should be alias for I2CSensorBase?
+
 template <typename T = BaseSensor>
 class I2CSensor : public T {
 

code/espurna/sensors/SI1145Sensor.h

@@ -0,0 +1,80 @@
+// -----------------------------------------------------------------------------
+// SI1145 Sensor over I2C
+// Copyright (C) 2020 by @HilverinkJ (https://github.com/HilverinkJ)
+// Based on https://github.com/xoseperez/espurna/issues/2192#issuecomment-603430308
+// -----------------------------------------------------------------------------
+
+#if SENSOR_SUPPORT && SI1145_SUPPORT
+
+#pragma once
+
+#include <Arduino.h>
+#include <Adafruit_SI1145.h>
+
+#include "I2CSensor.h"
+
+class SI1145Sensor : public I2CSensor<> {
+
+ public:
+
+ SI1145Sensor() {
+ _count = 1;
+ _sensor_id = SENSOR_SI1145_ID;
+ _si1145 = new Adafruit_SI1145();
+ }
+
+ void begin() { 
+ static unsigned char addresses[1] = { SI1145_ADDRESS };
+ _address = _begin_i2c(_address, sizeof(addresses), addresses);
+ if (_address == 0) return;
+
+ if (!_si1145->begin()) {
+ _ready = false;
+ return;
+ }
+
+ // Adafruit library never sets any errors
+ _error = SENSOR_ERROR_OK;
+
+ _ready = true;
+ }
+
+ // ---------------------------------------------------------------------
+ // Sensor API
+ // ---------------------------------------------------------------------
+
+ // Descriptive name of the sensor
+ String description() {
+ char buffer[25];
+ snprintf(buffer, sizeof(buffer), "SI1145 @ I2C (0x%02X)", _address);
+ return String(buffer);
+ }
+
+ // Descriptive name of the slot # index
+ String slot(unsigned char index) {
+ return description();
+ };
+
+ // Type for slot # index
+ unsigned char type(unsigned char index) {
+ if (index == 0) return MAGNITUDE_UVI;
+ return MAGNITUDE_NONE;
+ }
+
+ // Pre-read hook (usually to populate registers with up-to-date data)
+ void pre() {
+ _uvi = _si1145->readUV() / 100.0;
+ }
+
+ // Current value for slot # index
+ double value(unsigned char index) {
+ if (index == 0) return _uvi; 
+ return 0.0;
+ }
+
+ protected: 
+ Adafruit_SI1145 * _si1145 = nullptr;
+ double _uvi = 0.0;
+};
+
+#endif // SENSOR_SUPPORT && SI1145_SUPPORT

code/platformio.ini

@@ -157,6 +157,7 @@ lib_deps =
  https://github.com/pololu/vl53l1x-arduino#1.0.1
  https://github.com/mcleng/MAX6675-Library#2.0.1
  https://github.com/ThingPulse/esp8266-oled-ssd1306#3398c97
+ Adafruit SI1145 Library@~1.1.1
 lib_ignore =
  AsyncTCP
 

code/test/build/sensor.h

@@ -20,6 +20,7 @@
 #define SDS011_SUPPORT 1
 #define SENSEAIR_SUPPORT 1
 #define SHT3X_I2C_SUPPORT 1
+#define SI1145_SUPPORT 1
 #define SI7021_SUPPORT 1
 #define SONAR_SUPPORT 1
 #define T6613_SUPPORT 1