Diff: main.cpp

Revision:

0:7daf9b751759

Child:

1:d0db255b07a8

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Jul 07 20:43:29 2017 +0000
@@ -0,0 +1,154 @@
+/*
+    Author: Jonathan Yost
+    Title: END_NODE_REQUEST_POC
+    Date: 6/28/17
+    
+    Desc: Reads in data from the sensors and sends to the gateway.
+    yeah.
+*/
+
+// Libraries
+#include "mbed.h"
+#include "BME280.h"
+#include "SI1145.h"
+
+// Define Constants / Macros
+#define node_id (0x01)
+#define tx (PA_9)
+#define rx (PA_10)
+
+const char nodeID = '1';
+
+// I/O Delarations
+I2C i2c(I2C_SDA, I2C_SCL); // D4, D5 
+BME280 *thp_sensor = new BME280(i2c);
+SI1145 *uiv_sensor = new SI1145(i2c);
+
+// Declare the PIR interface
+InterruptIn MotionDetect(PA_1);
+bool pir_enable = true;
+bool pir_trigger = false;
+
+// Declare Serial Interfaces
+Serial xb(tx, rx); // Serial 1
+Serial pc(PB_3, PB_4); // Serial 2
+
+// send_sensor_data(temp, pressure, humidity, motion, uv, ir, vis, noise);
+// "id:2,te:2,pr:3,mo:4,uv:5,ir:6,vi:7,no:8"
+void SendSensorData(int t, int p, int h, int u, int ir, int v, int n){
+    //"               ni:XX, te:XX,pr:XX,hu:XX,uv:XX,ir:XX,vi:XX,no:XX"
+    xb.printf(      ",ni:%d,te:%d,pr:%d,hu:%d,uv:%d,ir:%d,vi:%d,no:%d\n\r",1,t,p,h,u,ir,v,n);
+    pc.printf("SEND: ni:%d,te:%d,pr:%d,hu:%d,uv:%d,ir:%d,vi:%d,no:%d\n\r",1,t,p,h,u,ir,v,n);
+}
+
+void SendPirFlag(){
+    if(xb.writeable() && pir_enable){
+        xb.printf("ni:%c,mo:1\r\n",nodeID);
+        pc.printf("ni:%c,mo:1\r\n",nodeID);
+        pir_trigger = false;
+    }
+}
+
+// PIR interrupt. Set the pir_trigger to true when interrupted.
+void PIR(void){
+    pc.printf("void PIR(void){}\r\n");
+    pir_trigger = true;
+    if(pir_enable){
+        SendPirFlag();
+        pc.printf("PIR FLAG ISR\r\n");
+    }
+}
+
+void initialize_serial_connections(){
+    xb.baud(57600);
+    pc.baud(115200);   
+}
+
+int main() {
+    initialize_serial_connections();
+    
+    pc.printf("\n\rMic test 1-2, 1-2\n\r");
+    
+    // Attach the PIR function to interrupt
+    MotionDetect.rise(&PIR);
+    
+    char pc_data = 'e';
+    char buffer[10];
+        
+    int temp = 1;
+    int pressure = 2;
+    int humidity = 3;
+    int uv = 5;
+    int ir = 6;
+    int vis = 7;
+    int noise = 8;
+    
+    bool send_enable = false;
+            
+    while(true){
+        // Debug Controls Input
+        if(pc.readable()){
+            pc_data = pc.getc();
+            pc.printf("%c", pc_data);
+            if(xb.writeable()){xb.printf("%c", pc_data);}
+        }
+        
+        if(pir_enable && pir_trigger){
+            SendPirFlag();
+        }
+        
+        if(xb.readable()){
+            wait(0.01);
+            for(int i = 0; i < sizeof(buffer); i++){
+                buffer[i] = xb.getc();
+            }
+            pc.printf("=========================================\r\n");
+            // Print out received message in char and int format 
+            pc.printf("RECV: ", buffer);
+                for(int i = 1; i < sizeof(buffer); i++){
+                    pc.printf("%c", buffer[i]);
+                }
+                pc.printf("\r\nRECV: ");
+                // Print out message (INT)
+                for(int i = 0; i < sizeof(buffer); i++){
+                    pc.printf("%i,", buffer[i]);
+                }
+                pc.printf("\r\n");
+            if(buffer[4] == nodeID){
+                send_enable = true;
+            } else {
+                pc.printf("Ignore, Target Node: #%c\r\n", buffer[4]);
+            }
+            
+            if(buffer[9] == '1'){
+                pir_enable = true;
+                pc.printf("pir_enable = true\r\n");
+            } else if (buffer[9] == '0'){
+                pir_enable = false;
+                pc.printf("pir_enable = false\r\n");
+            }
+            memset(buffer, '\0', sizeof(buffer));
+        }
+        
+        // Take in new measurements
+        // Read in values from the BME280 board
+        temp = thp_sensor->getTemperature();
+        pressure = thp_sensor->getPressure();
+        humidity = thp_sensor->getHumidity();
+        
+        //Sensor data from the SI1145 board
+        uv = uiv_sensor->getUV(); // Reads from the SI1145 
+        ir = uiv_sensor->getIR(); // Reads from the SI1145
+        vis = uiv_sensor->getVIS(); // Reads from the SI1145
+        
+        noise = 404;
+        
+        // Transmit over the xbee if possible and necessary
+        if(xb.writeable() && send_enable){
+            SendSensorData(temp, pressure, humidity, uv, ir, vis, noise);
+            send_enable = false;
+        }
+        
+    }
+}
+