Gregory Kielian / Mbed 2 deprecated PollutionSensor

Dependencies:   libmDot mbed-rtos mbed

Fork of Adafruit_I2C_9dof_mDot_TTN by Gregory Kielian

Revision:
9:e3756ad55310
Parent:
8:ebec2e50d421
Child:
10:798cac7d3dcb
diff -r ebec2e50d421 -r e3756ad55310 main.cpp
--- a/main.cpp	Tue Aug 02 19:49:55 2016 +0000
+++ b/main.cpp	Sun Aug 21 23:28:04 2016 +0000
@@ -31,9 +31,17 @@
 #include <algorithm>
 
 // TTN Keys, setup your application and get your own keys at https://www.thethingsnetwork.org/wiki/Backend/Overview 
-static const uint8_t netowork_session_key_array[] = { 0x35, 0x41, 0x32, 0x67, 0x79, 0x76, 0x49, 0x8B, 0xBE, 0x98, 0x10, 0x80, 0x76, 0xB7, 0x61, 0x8B };
-static const uint8_t data_session_key_array[] = { 0xD3, 0x6F, 0x5E, 0x66, 0x4A, 0x1B, 0xEC, 0x0C, 0x4A, 0x63, 0x8E, 0x1C, 0x2D, 0xB3, 0x18, 0xA4 };
-static const uint8_t network_address_array[] = { 0x10, 0x81, 0xDA, 0x6F };
+static const uint8_t netowork_session_key_array[] = { 0x22, 0xDF, 0x20, 0x0C, 0x71, 0x5A, 0xCC, 0x35, 0xB8, 0x20, 0x5F, 0xAE, 0xC7, 0x00, 0x5A, 0x63 };//
+
+//app session key
+static const uint8_t data_session_key_array[] = { 0x66, 0xF2, 0x8B, 0x88, 0x76, 0x0D, 0xB0, 0xE2, 0xAE, 0x16, 0x29, 0x81, 0x29, 0xC9, 0x25, 0x11 };
+
+//dev address (keep in mind these are all under abp)
+static const uint8_t network_address_array[] = { 0x30, 0xE2, 0x6C, 0xAF };
+
+//static const uint8_t netowork_session_key_array[] = { 0x35, 0x41, 0x32, 0x67, 0x79, 0x76, 0x49, 0x8B, 0xBE, 0x98, 0x10, 0x80, 0x76, 0xB7, 0x61, 0x8B };
+//static const uint8_t data_session_key_array[] = { 0xD3, 0x6F, 0x5E, 0x66, 0x4A, 0x1B, 0xEC, 0x0C, 0x4A, 0x63, 0x8E, 0x1C, 0x2D, 0xB3, 0x18, 0xA4 };
+//static const uint8_t network_address_array[] = { 0x10, 0x81, 0xDA, 0x6F };
 
 static std::vector<uint8_t> netowork_session_key (netowork_session_key_array, netowork_session_key_array + sizeof(netowork_session_key_array) / sizeof(uint8_t));
 static std::vector<uint8_t> data_session_key (data_session_key_array, data_session_key_array + sizeof(data_session_key_array) / sizeof(uint8_t));
@@ -43,7 +51,7 @@
 
 // Initialize I2C
 I2C i2c(I2C_SDA , I2C_SCL ); 
-const int addr7bit = 0x18;      // 7 bit I2C address
+const int addr7bit = 0x1E;      // 7 bit I2C address
 const int addr8bit = addr7bit << 1; // 8bit I2C address, 0x90
 
 
@@ -53,8 +61,10 @@
     int32_t ret;
     mDot* dot;
     char cmd[2];                        // I2C command address byte 8-bit
-    char my_data[2];                    // I2C return address bytes 16-bit
-    uint16_t amb;                       // Intermediate variable
+    char my_data[6];                    // I2C return address bytes 16-bit
+    uint16_t mag_x;                        // Intermediate variable
+    uint16_t mag_y;                        // Intermediate variable
+    uint16_t mag_z;                        // Intermediate variable
     std::vector<uint8_t> data;          // mDot data->send variable
     char data_str[64];                  // Intermediate conversion variable
     uint32_t update_interval = 15000;   // TTN transmission interval (loop interval)
@@ -109,40 +119,39 @@
 
     while (true) {   
             
-        // Wake temp sensor 
-        cmd[0] = 0x01;
-        cmd[1] = 0x00;
-        i2c.write(addr8bit, cmd, 2);
-        logInfo("Wake temp sensor");
+        // Enable the Magnetometer 
+        cmd[0] = 0x02;
+        //cmd[1] = 0x00;
+        i2c.write(addr8bit, cmd, 1);
+        logInfo("Wake magnetometer");
 
-        // Read ambient temperature
-        cmd[0] = 0x05;     // For list of MCP9808 commands and addresses, see https://github.com/adafruit/Adafruit_MCP9808_Library/blob/master/Adafruit_MCP9808.h
+        // Read magnetic field
+        cmd[0] = 0x03;     // see for a list of addresses and commands https://github.com/adafruit/Adafruit_LSM303/blob/master/Adafruit_LSM303.h
         i2c.write(addr8bit, cmd, 1);
-        i2c.read( addr8bit, my_data, 2);
+        i2c.read( addr8bit, my_data, 6);
                 
         // This section is converted from Arduino version: https://github.com/adafruit/Adafruit_MCP9808_Library/blob/master/Adafruit_MCP9808.cpp
-        amb = my_data[0];
-        amb <<= 8;
-        amb |= my_data[1];
+        mag_x = my_data[0];
+        mag_x <<= 8;
+        mag_x |= my_data[1];
         
-        float tmpC = float(amb & 0x0FFF);
-        tmpC /= 16.0;
-        if (amb & 0x1000) tmpC -= 256;
-        float tmpF = (tmpC * 9.0 / 5.0 + 32.0);
+        mag_y = my_data[2];
+        mag_y <<= 8;
+        mag_y |= my_data[3];
+  
+        mag_z = my_data[4];
+        mag_z <<= 8;
+        mag_z |= my_data[5];
+  
+                
+        logInfo("X_MAG = %d Y_MAG = %d; Z_MAG = %d", mag_x, mag_y, mag_z);
         
-        logInfo("Temp = %4.2f*C \t\t %4.2f*F", tmpC, tmpF);
-        
-        // Shutdown temp sensor
-        cmd[0] = 0x00;
-        cmd[1] = 0x00;
-        i2c.write(addr8bit, cmd, 2);
-        logInfo("Shutdown temp sensor\n");
         
         // Empty data vector
         data.clear();
         
         // Push temperature value into data array
-        sprintf(data_str, "%4.2f", tmpF);
+        sprintf(data_str, "%d", mag_x);
         for (int i = 0; i<strlen(data_str); i++)
         {
             data.push_back(((char*)data_str)[i]);