Nicholas Outram / Mbed OS ELEC350-CWTEMPLATE-2018

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Dependencies:   BMP280 TextLCD BME280

Files at this revision

API Documentation at this revision

Revision 6:9a95a39d1cce, committed 2018-11-24

Comitter:
noutram
Date:
Sat Nov 24 08:44:15 2018 +0000
Parent:
5:5fd848b23b3e
Commit message:
simplify;

Changed in this revision

ELEC350-Hardware.lib Show diff for this revision Revisions of this file
Networkbits.cpp Show annotated file Show diff for this revision Revisions of this file
Networkbits.hpp Show annotated file Show diff for this revision Revisions of this file
sample_hardware.cpp Show annotated file Show diff for this revision Revisions of this file
sample_hardware.hpp Show annotated file Show diff for this revision Revisions of this file 
--- a/ELEC350-Hardware.lib	Sat Nov 24 08:20:16 2018 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +0,0 @@
-https://os.mbed.com/teams/University-of-Plymouth-Stage-2-and-3/code/ELEC350-Coursework-2017/#df979097cc71

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Networkbits.cpp	Sat Nov 24 08:44:15 2018 +0000
@@ -0,0 +1,68 @@
+#include "sample_hardware.hpp"
+#include "Networkbits.hpp"
+
+//Network thread - responsible for listening for connectinos and responding with updated tempature values
+void networktest()
+{
+    //This only runs when BOTH switches are pressed down
+    if ((SW1 == 0) || (SW2 == 0)) return;
+    
+    lcd.cls();
+    lcd.printf("Basic HTTP server example\n");
+    
+    //Configure an ethernet connection
+    EthernetInterface eth;
+    eth.set_network(IP, NETMASK, GATEWAY);
+    eth.connect();
+    lcd.printf("The target IP address is '%s'\n", eth.get_ip_address());
+    
+    //Now setup a web server
+    TCPServer srv;           //TCP/IP Server
+    TCPSocket clt_sock;      //Socket for communication
+    SocketAddress clt_addr;  //Address of incoming connection
+    
+    /* Open the server on ethernet stack */
+    srv.open(&eth);
+    
+    /* Bind the HTTP port (TCP 80) to the server */
+    srv.bind(eth.get_ip_address(), 80);
+    
+    /* Can handle 5 simultaneous connections */
+    srv.listen(5);
+    
+    //KEEP RESPONDING WHILE THE SWITCHES ARE PRESSED
+    while ((SW1 == 1) && (SW2 == 1)) {
+        using namespace std;
+        lcd.cls();
+        lcd.printf("Open 10.0.0.1 in a browser\n");
+        
+        //Block and wait on an incoming connection
+        srv.accept(&clt_sock, &clt_addr);
+        printf("accept %s:%d\n", clt_addr.get_ip_address(), clt_addr.get_port());
+        
+        //Uses a C++ string to make it easier to concatinate
+        string response;
+        //This is a C string
+        char ldr_str[64];
+        
+        //Read the temperature value - note that getParameters() is thread safe
+        float temp = sensor.getTemperature();
+        
+        //Convert to a C String
+        sprintf(ldr_str, "%5.3f", temp );
+        printf("LDR: %5.3f\n\r", temp);
+        
+        //Build the C++ string response
+        response = HTTP_MESSAGE_BODY1;
+        response += ldr_str;
+        response += HTTP_MESSAGE_BODY2;
+        
+        //Send static HTML response (as a C string)
+        clt_sock.send(response.c_str(), response.size()+6);    
+    }
+    
+    printf("Release BOTH switches\n");
+    lcd.printf("Release BOTH switches\n");
+    while ((SW1 != 0) && (SW2 != 0));
+    wait(0.5); //debounce
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Networkbits.hpp	Sat Nov 24 08:44:15 2018 +0000
@@ -0,0 +1,38 @@
+#ifndef MBED_NETWORKBITS_H
+#define MBED_NETWORKBITS_H
+
+#include "mbed.h"
+#include "EthernetInterface.h"
+#include "TCPServer.h"
+#include "TCPSocket.h"
+#include <iostream>
+#include <string> 
+
+
+#define HTTP_STATUS_LINE "HTTP/1.0 200 OK"
+#define HTTP_HEADER_FIELDS "Content-Type: text/html; charset=utf-8"
+#define HTTP_MESSAGE_BODY1 ""                                    \
+"<html>" "\r\n"                                                  \
+"  <body style=\"display:flex;text-align:center\">" "\r\n"       \
+"    <div style=\"margin:auto\">" "\r\n"                         \
+"      <h1>Hello World</h1>" "\r\n"                              \
+"      <p>The temperature is "                                     
+
+#define HTTP_MESSAGE_BODY2 ""                                    \
+       "</p>" "\r\n"                                             \
+"    </div>" "\r\n"                                              \
+"  </body>" "\r\n"                                               \
+"</html>"
+
+#define HTTP_RESPONSE HTTP_STATUS_LINE "\r\n"   \
+                      HTTP_HEADER_FIELDS "\r\n" \
+                      "\r\n"                    \
+                      HTTP_MESSAGE_BODY "\r\n"
+
+#define IP        "10.0.0.10"
+#define NETMASK   "255.0.0.0"
+#define GATEWAY   "10.0.0.1"
+
+extern void networktest();
+
+#endif
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sample_hardware.cpp	Sat Nov 24 08:44:15 2018 +0000
@@ -0,0 +1,107 @@
+#include "mbed.h"
+#include "sample_hardware.hpp"
+#include "Networkbits.hpp"
+
+#define RED_DONE 1
+#define YELLOW_DONE 2
+
+//Digital outputs
+DigitalOut onBoardLED(LED1);
+DigitalOut redLED(PE_15);
+DigitalOut yellowLED(PB_10);
+DigitalOut greenLED(PB_11);
+
+//Inputs
+DigitalIn  onBoardSwitch(USER_BUTTON);
+DigitalIn  SW1(PE_12);
+DigitalIn  SW2(PE_14);
+//Serial pc(USBTX, USBRX);
+AnalogIn adcIn(PA_0);
+
+//Environmental Sensor driver
+#ifdef BME
+BME280 sensor(D14, D15);
+#else
+BMP280 sensor(D14, D15);
+#endif
+
+//LCD Driver (provided via mbed repository)
+//RS D9
+//E  D8
+//D7,6,4,2 are the 4 bit for d4-7
+TextLCD lcd(D9, D8, D7, D6, D4, D2); // rs, e, d4-d7
+
+//SD Card
+SDBlockDevice sd(PB_5, D12, D13, D10); // mosi, miso, sclk, cs 
+
+//POWER ON SELF TEST
+void post() 
+{
+    //POWER ON TEST (POT)
+    puts("**********STARTING POWER ON SELF TEST (POST)**********");
+    
+    //Test LEDs
+    puts("ALL LEDs should be blinking");
+    for (unsigned int n=0; n<10; n++) {
+        redLED    = 1;
+        yellowLED = 1;
+        greenLED  = 1;
+        wait(0.05);
+        redLED    = 0;
+        yellowLED = 0;
+        greenLED  = 0;     
+        wait(0.05);         
+    } 
+    
+    //Output the switch states (hold them down to test)
+    printf("SW1: %d\tSW2: %d\n\r", SW1.read(), SW2.read());    
+    printf("USER: %d\n\r", onBoardSwitch.read()); 
+    
+    //Output the ADC
+    printf("ADC: %f\n\r", adcIn.read());
+    
+    //Read Sensors (I2C)
+    float temp = sensor.getTemperature();
+    float pressure = sensor.getPressure();
+    #ifdef BME
+    float humidity = sensor.getHumidity();
+    #endif
+   
+    //Display in PuTTY
+    printf("Temperature: %5.1f\n", temp);
+    printf("Pressure: %5.1f\n", pressure);
+    #ifdef BME
+    printf("Pressure: %5.1f\n", humidity);
+    #endif
+    
+    //Display on LCD
+    redLED = 1;
+    lcd.cls();
+    lcd.printf("LCD TEST...");
+    wait(0.5);
+    redLED = 0;
+    
+    //Network test (if BOTH switches are held down)
+    networktest();
+    
+    puts("**********POST END**********");
+ 
+}
+
+void errorCode(ELEC350_ERROR_CODE err)
+{
+    switch (err) {
+      case OK:
+        greenLED = 1;
+        wait(1.0);
+        greenLED = 0;
+        return;                
+      case FATAL:
+        while(1) {
+            redLED = 1;
+            wait(0.1);
+            redLED = 0;
+            wait(0.1);                
+        }
+    };
+}
\ No newline at end of file

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/sample_hardware.hpp	Sat Nov 24 08:44:15 2018 +0000
@@ -0,0 +1,39 @@
+#ifndef __sample_hardware__
+#define __sample_hardware__
+
+//#define BME
+#ifdef BME
+#include "BME280.h"
+#else
+#include "BMP280.h"
+#endif
+#include "TextLCD.h"
+#include "SDBlockDevice.h"
+#include "FATFileSystem.h"
+
+enum ELEC350_ERROR_CODE {OK, FATAL};
+
+extern DigitalOut onBoardLED;
+extern DigitalOut redLED;
+extern DigitalOut yellowLED;
+extern DigitalOut greenLED;
+
+extern DigitalIn  onBoardSwitch;
+extern DigitalIn  SW1;
+extern DigitalIn  SW2;
+//extern Serial pc;
+extern AnalogIn adcIn;
+
+#ifdef BME
+extern BME280 sensor;
+#else
+extern BMP280 sensor;
+#endif
+
+extern TextLCD lcd;
+extern SDBlockDevice sd;
+
+extern void post();
+extern void errorCode(ELEC350_ERROR_CODE err);
+
+#endif
\ No newline at end of file