From 6a58a8a907eae008894e93660067793cccd3b440 Mon Sep 17 00:00:00 2001
From: Oscar Rovira <oscarrovira@me.com>
Date: Sat, 16 Dec 2017 19:26:12 +0100
Subject: [PATCH] Add PMSX003Sensor.h

---
 code/espurna/config/hardware.h       |  4 --
 code/espurna/config/sensors.h        | 14 ++++-
 code/espurna/sensors/PMSX003Sensor.h | 91 ++++++++++++++++++++++++++++
 code/platformio.ini                  |  1 +
 4 files changed, 105 insertions(+), 5 deletions(-)
 create mode 100644 code/espurna/sensors/PMSX003Sensor.h

diff --git a/code/espurna/config/hardware.h b/code/espurna/config/hardware.h
index 9f51fca3..6cf83532 100644
--- a/code/espurna/config/hardware.h
+++ b/code/espurna/config/hardware.h
@@ -43,10 +43,6 @@
     #define LED1_PIN            2
     #define LED1_PIN_INVERSE    1
 
-    #define PMSX003_SUPPORT     true
-    #define PMS_RX_PIN          13
-    #define PMS_TX_PIN          15
-
 #elif defined(WEMOS_D1_MINI_RELAYSHIELD)
 
     // Info
diff --git a/code/espurna/config/sensors.h b/code/espurna/config/sensors.h
index b9de94a4..f60e6e8f 100644
--- a/code/espurna/config/sensors.h
+++ b/code/espurna/config/sensors.h
@@ -186,7 +186,7 @@
 //--------------------------------------------------------------------------------
 
 #ifndef EMON_ADS1115_SUPPORT
-#define EMON_ADS1115_SUPPORT            1       // Do not build support by default
+#define EMON_ADS1115_SUPPORT            0       // Do not build support by default
 #endif
 
 #define EMON_ADS1115_PORT_MASK          0x08    // A0=1 A1=2 A2=4 A4=8
@@ -197,6 +197,18 @@
 #define EMON_ADS1115_GAIN               ADS1115_PGA_4P096
 #define EMON_ADS1115_REFERENCE_VOLTAGE  8.192   // Double the gain for peak-to-peak
 
+//--------------------------------------------------------------------------------
+// Particle Monitor based on Plantower PMSX003
+// Enable support by passing PMSX003_SUPPORT=1 build flag
+//--------------------------------------------------------------------------------
+
+#ifndef PMSX003_SUPPORT
+#define PMSX003_SUPPORT                 1
+#endif
+
+#define PMS_RX_PIN                      13
+#define PMS_TX_PIN                      15
+
 //--------------------------------------------------------------------------------
 // Internal power montior
 // Enable support by passing ADC_VCC_ENABLED=1 build flag
diff --git a/code/espurna/sensors/PMSX003Sensor.h b/code/espurna/sensors/PMSX003Sensor.h
new file mode 100644
index 00000000..982c70d5
--- /dev/null
+++ b/code/espurna/sensors/PMSX003Sensor.h
@@ -0,0 +1,91 @@
+// -----------------------------------------------------------------------------
+// PMSX003 Dust sensor
+// -----------------------------------------------------------------------------
+
+#pragma once
+
+#include "Arduino.h"
+#include "BaseSensor.h"
+
+#include <PMS.h>
+#include <SoftwareSerial.h>
+
+class PMSX003Sensor : public BaseSensor {
+
+    public:
+
+        PMSX003Sensor(int pin_rx = PMS_RX_PIN, int pin_tx = PMS_TX_PIN): BaseSensor() {
+            _pmsSerial = new SoftwareSerial(pin_rx, pin_tx, false, 256);
+            _pmsSerial->begin(9600);
+            _pms = new PMS(* _pmsSerial);
+            // _pmsSerial.begin(9600);
+            _pin_rx = pin_rx;
+            _pin_tx = pin_tx;
+            _count = 3;
+        }
+
+        // Descriptive name of the sensor
+        String name() {
+            char buffer[36];
+            snprintf(buffer, sizeof(buffer), "PMSX003 @ SwSerial RX: %i TX: %i", _pin_rx, _pin_tx);
+            return String(buffer);
+        }
+
+        // Descriptive name of the slot # index
+        String slot(unsigned char index) {
+            if (index < _count) {
+                _error = SENSOR_ERROR_OK;
+                if (index == 0) return String("PM 1.0");
+                if (index == 1) return String("PM 2.5");
+                if (index == 2) return String("PM 10");
+            }
+            _error = SENSOR_ERROR_OUT_OF_RANGE;
+            return String();
+        }
+
+        // Type for slot # index
+        magnitude_t type(unsigned char index) {
+            if (index < _count) {
+                _error = SENSOR_ERROR_OK;
+                if (index == 0) return MAGNITUDE_PM1dot0;
+                if (index == 1) return MAGNITUDE_PM2dot5;
+                if (index == 2) return MAGNITUDE_PM10;
+            }
+            _error = SENSOR_ERROR_OUT_OF_RANGE;
+            return MAGNITUDE_NONE;
+        }
+
+        // Current value for slot # index
+        double value(unsigned char index) {
+            if (index < _count) {
+                _error = SENSOR_ERROR_OK;
+                if(index == 0) return _pm1dot0;
+                if(index == 1) return _pm2dot5;
+                if(index == 2) return _pm10;
+            }
+            _error = SENSOR_ERROR_OUT_OF_RANGE;
+            return 0;
+        }
+
+        void tick() {
+            if(_pms->read(_data, 1000)) {
+            // if (_pms.read(_data)) {
+                _pm1dot0 = _data.PM_AE_UG_1_0;
+                _pm2dot5 = _data.PM_AE_UG_2_5;
+                _pm10 = _data.PM_AE_UG_10_0;
+            }
+        }
+    
+    protected:
+        unsigned int _pm1dot0;
+        unsigned int _pm2dot5;
+        unsigned int _pm10;
+        unsigned int _pin_rx;
+        unsigned int _pin_tx;
+        SoftwareSerial * _pmsSerial;
+        PMS * _pms;
+        // SoftwareSerial _pmsSerial;
+        // PMS _pms;
+        PMS::DATA _data;
+
+};
diff --git a/code/platformio.ini b/code/platformio.ini
index 530ff851..f9d99e04 100644
--- a/code/platformio.ini
+++ b/code/platformio.ini
@@ -23,6 +23,7 @@ lib_deps =
     Brzo I2C
     I2Cdevlib-ADS1115
     EspSoftwareSerial
+    PMS Library
     https://bitbucket.org/xoseperez/justwifi.git#1.1.4
     https://bitbucket.org/xoseperez/hlw8012.git#1.1.0
     https://bitbucket.org/xoseperez/fauxmoesp.git#2.3.0