config.h

ESP32_Sensors/.vscode/settings.json

@@ -0,0 +1,4 @@
+{
+    "idf.portWin": "COM3",
+    "idf.flashType": "UART"
+}

ESP32_Sensors/platformio.ini

@@ -12,3 +12,10 @@
 platform = espressif32
 board = esp32doit-devkit-v1
 framework = arduino
+monitor_speed = 115200
+lib_deps = 
+    adafruit/Adafruit BME280 Library@^2.2.2
+	adafruit/Adafruit BMP280 Library@^2.6.6
+
+[platformio]
+description = Temperature and pressure sensors

ESP32_Sensors/src/config.h

@@ -0,0 +1,135 @@
+//#include "secrets.h"
+
+// Uncomment modules as required
+//#define RTC
+//#define MICRO_SD
+#define BMP280      // Adafruit BMP280; temp & pressure
+//#define BME280    // Generic BME280; temp, pressure & humidity
+//#define AWSIoT
+
+#define MQTT_SSL
+//#define HOTSPOT
+//#define MQTT
+
+
+/*
+#########################################################################
+
+                                MQTT
+
+#########################################################################
+*/
+// MQTT Default Channels
+#define MQTT_IOT_CHANNEL_TEMPERATURE        "esp32/sensors/temperature"
+#define MQTT_IOT_CHANNEL_PRESSURE           "esp32/sensors/pressure"
+#define MQTT_IOT_CHANNEL_HUMIDITY           "esp32/sensors/humidity"
+// MQTT Channel specific for each node
+// [NODE]/sensors/sensor
+// IoT ID
+#define IoT_ID                          "node1"
+#define MQTT_NODE_TEMPERATURE           "/sensors/temperature"
+#define MQTT_NODE_PRESSURE              "/sensors/pressure"
+#define MQTT_NODE_HUMIDITY              "/sensors/humidity"
+#define MQTT_NODE_PULSE                 "/pulse"
+#define MQTT_NODE_SWITCH_1              "/sw1"
+#define MQTT_NODE_SWITCH_2              "/sw2"
+#define MQTT_NODE_OUTPUT_PWM_1          "/pwm1"
+// Standardize switches channels
+#define MQTT_IOT_CHANNEL_OUTPUT_PULSE       "node1/output/pulse"
+#define MQTT_IOT_CHANNEL_OUTPUT_SWITCH_1    "node1/output/sw1"
+#define MQTT_IOT_CHANNEL_OUTPUT_SWITCH_2    "node1/sw2"
+#define MQTT_IOT_CHANNEL_OUTPUT_PWM_1       "node1/pwm1"
+
+// Uncomment corresponding board
+#define devkit_30pin_001
+//#define devkit_36pin_001
+
+#ifdef devkit_30pin_001
+/*
+#### ESP32 DEVKIT V1.1 DIY MALL           ####
+#### 30 PINS                              ####
+#### DEVELOPMENT BOARD SUPPORTED PIN OUTS ####
+----------------------------------------------
+GPIO    | Physical  |   Description
+Pin     |           |
+----------------------------------------------
+              2         Built-in LED
+D15           3
+D2            4     =>  Built-in LED     
+D4            5
+D5            8
+D18           9         
+D19           10                
+D21           11        
+D22           14        
+D23           15        
+D34           19        Input only        
+D35           20        Input only        
+D32           21*        
+D33           22*
+D25           23*   =>  Assigned to DAC
+D26           24*   =>  Assigned to DAC
+D27           25
+D14           26*   =>  Assigned to Switch 1
+D12           27*   =>  Assigned to Switch 2
+D13           28    =>  Assigned to read RPM
+----------------------------------------------
+*/
+#define PING_PIN  33  // GPIO 33 pin # of audio ping
+#define LED_PIN   32           
+#define SWITCH_1  14  // GPIO 14
+#define SWITCH_2  12  // GPIO 12
+#define DAC_CH1   25  // GPIO 25
+#define DAC_CH2   26  // GPIO 26
+#define FAN_RPM   13  // GPIO 13
+//uint8_t pins[] = {2,4,5,12,13,14,15,18,19,21,22,23,25,26,27,32,33}; // 20 GPIO pins
+#endif
+
+/*
+#### ESP32 DEVKIT V1.1 DIY MALL           ####
+#### 36 PINS                              ####
+#### DEVELOPMENT BOARD SUPPORTED PIN OUTS ####
+----------------------------------------------
+GPIO    | Physical  |   Description
+Pin     |           |
+----------------------------------------------
+              2         Built-in LED
+D0            5
+D15           6
+D2            7         Same as built-in LED
+D4            8
+D5            11
+D18           12        
+D19           13        
+D21           14        
+D22           17        
+D23           18        
+D34           22        
+D35           23        
+D32           24        
+D33           25
+D25           26
+D26           27
+D27           28
+D17           29
+D14           30
+D12           31
+D13           32
+----------------------------------------------
+*/
+#ifdef devkit_36pin_001
+#define PING_PIN 33           // D33 pin # of audio ping
+#define LED_PIN   2            // pin # of LED controlled by light sensor
+//uint8_t pins[] = {};
+#endif
+/*
+##############################################
+*/
+
+//#define LIGHT_SENSOR_PIN 34   // analog in pin # for a light sensor
+//#define LED_PIN 32            // pin # of LED controlled by light sensor
+#define ANALOG_THRESHOLD 1800 // threshhold for analog input when logical 0 should become logical 1
+// RGB LED
+#define RGB_R_PIN 11  // D14
+#define RGB_B_PIN 13  // D13
+#define RGB_G_PIN 12  // D12

ESP32_Sensors/src/main.cpp

@@ -1,15 +1,73 @@
 #include <Arduino.h>
+#include "config.h"
+
+#ifdef BMP280
+#include <Adafruit_BMP280.h>
+#endif
+#ifdef BME280
+#include <Adafruit_BME280.h>
+#endif
+
+// BME280
+#ifdef BME280
+// WaveShare BME280
+Adafruit_BME280 bme;
+#define SEALEVELPRESSURE_HPA (1013.25)
+#endif
+// BMP280
+#ifdef BMP280
+#define BMP_SCK   (18)
+#define BMP_MISO  (19)
+#define BMP_MOSI  (23)
+#define BMP_CS    (5)
+Adafruit_BMP280 bmp(BMP_CS);
+#endif
 
 // put function declarations here:
 int myFunction(int, int);
 
-void setup() {
+struct {
-  // put your setup code here, to run once:
+  float humidity = 0.0;
-  int result = myFunction(2, 3);
+  float pressure = 0.0;
+  float temperature = 0.0;
+} sensors_values;
+
+void setup()
+{
+  Serial.begin(115200);
+  Serial.println();
+
+  // BMP280
+  #ifdef BMP280  
+  unsigned status_bmp280;
+  status_bmp280 = bmp.begin();
+  if (!status_bmp280) {
+    Serial.println("Could not find BMP280");
+    Serial.println(bmp.sensorID(),16);
+    while (1);
+  }
+  else {
+    Serial.println(bmp.sensorID(),16);
+  }
+  #endif
+
 }
 
 void loop() {
-  // put your main code here, to run repeatedly:
+  #ifdef BMP280
+  Serial.println("\n==== BMP-280 =============");
+  sensors_values.temperature = (float)bmp.readTemperature();
+  sensors_values.pressure = (float)bmp.readPressure();
+  #endif
+
+  // Display sensors values
+  Serial.print("Temperature = ");
+  Serial.println(sensors_values.temperature);
+  Serial.print("Pressure = ");
+  Serial.print(sensors_values.pressure / 100.0F);
+  Serial.println(" Pa");
+  delay(1000);
+
 }
 
 // put function definitions here: