Clinton Lee Taylor / Mbed 2 deprecated WiFiLamp

LeeT WiFiLamp code and test

Dependencies:   ESP8266_WebServer mbed

Fork of WiFiLamp by Sebastian Schocke

main.cpp@20:f5a6527bfda6, 2014-12-31 (annotated)

Committer:
sschocke
Date:
Wed Dec 31 15:15:50 2014 +0000
Revision:
20:f5a6527bfda6
Parent:
19:7fdccfd5b50b
Child:
22:6d7a72fab8ff
Rework of Web Server to handle multiple simultaneous requests

Who changed what in which revision?

UserRevisionLine numberNew contents of line
sschocke 0:d21e3e1c0a4b 1 #include "mbed.h"
sschocke 1:f07afcffeb5a 2 #include "PololuLedStrip.h"
sschocke 7:f15c81074400 3 #include "ESP8266_WebServer.h"
sschocke 0:d21e3e1c0a4b 4 #include <string>
sschocke 13:1e8f27da036a 5 //#define DEBUG_WIFI
sschocke 0:d21e3e1c0a4b 6
sschocke 8:f819de1946a7 7 PololuLedStrip ledStrip(D11);
sschocke 1:f07afcffeb5a 8
sschocke 8:f819de1946a7 9 #define LED_COUNT 8
sschocke 1:f07afcffeb5a 10 rgb_color colors[LED_COUNT];
sschocke 1:f07afcffeb5a 11
sschocke 0:d21e3e1c0a4b 12 DigitalOut wifiCHPD(D4);
sschocke 0:d21e3e1c0a4b 13 DigitalOut wifiReset(D9);
sschocke 0:d21e3e1c0a4b 14
sschocke 0:d21e3e1c0a4b 15 int wifiOn = 0;
sschocke 0:d21e3e1c0a4b 16
sschocke 0:d21e3e1c0a4b 17 Serial wifiSerial(D8,D2);
sschocke 0:d21e3e1c0a4b 18 Serial pc(USBTX,USBRX);
sschocke 7:f15c81074400 19 ESP8266_WebServer server(&wifiSerial);
sschocke 0:d21e3e1c0a4b 20
sschocke 20:f5a6527bfda6 21 const char javascript[] = "function hello() { alert('Hello World'); }";
sschocke 20:f5a6527bfda6 22 const char css[] = "body { background-color:#DDDDDD; font-size:14px; }";
sschocke 20:f5a6527bfda6 23
sschocke 20:f5a6527bfda6 24 #ifdef DEBUG_WIFI
sschocke 20:f5a6527bfda6 25 void pcrxint(void) {
sschocke 20:f5a6527bfda6 26 server.debugBuffers(&pc);
sschocke 20:f5a6527bfda6 27 server.echoMode = true;
sschocke 20:f5a6527bfda6 28 }
sschocke 20:f5a6527bfda6 29 #endif
sschocke 20:f5a6527bfda6 30
sschocke 7:f15c81074400 31 void rxint(void) {
sschocke 7:f15c81074400 32 server.rxint();
sschocke 0:d21e3e1c0a4b 33 }
sschocke 0:d21e3e1c0a4b 34
tomvdb 4:4a502f72cbe3 35 void setColor( uint8_t r, uint8_t g, uint8_t b )
tomvdb 4:4a502f72cbe3 36 {
tomvdb 4:4a502f72cbe3 37 for ( int c = 0; c < LED_COUNT; c++ )
tomvdb 4:4a502f72cbe3 38 {
tomvdb 4:4a502f72cbe3 39 colors[c].red = r;
tomvdb 4:4a502f72cbe3 40 colors[c].green = g;
tomvdb 4:4a502f72cbe3 41 colors[c].blue = b;
tomvdb 4:4a502f72cbe3 42 }
tomvdb 4:4a502f72cbe3 43
tomvdb 4:4a502f72cbe3 44 ledStrip.write(colors, LED_COUNT);
tomvdb 4:4a502f72cbe3 45 }
tomvdb 4:4a502f72cbe3 46
sschocke 0:d21e3e1c0a4b 47 int main() {
sschocke 13:1e8f27da036a 48 pc.baud(115200);
sschocke 20:f5a6527bfda6 49 #ifdef DEBUG_WIFI
sschocke 20:f5a6527bfda6 50 pc.attach(&pcrxint);
sschocke 20:f5a6527bfda6 51 #endif
leet 10:f48a9f923271 52
leet 16:f2f2da9ef9ab 53 pc.printf("WiFi Lamp - v0.02 ...\r\n");
leet 10:f48a9f923271 54
sschocke 13:1e8f27da036a 55 setColor( 25, 0, 0);
tomvdb 4:4a502f72cbe3 56
sschocke 0:d21e3e1c0a4b 57 wifiCHPD = 0;
sschocke 0:d21e3e1c0a4b 58 wifiReset = 0;
sschocke 13:1e8f27da036a 59 wifiSerial.baud(115200);
sschocke 0:d21e3e1c0a4b 60 wifiSerial.attach(&rxint);
sschocke 7:f15c81074400 61 #ifdef DEBUG_WIFI
sschocke 7:f15c81074400 62 server.debugSerial = &pc;
sschocke 7:f15c81074400 63 #endif
sschocke 0:d21e3e1c0a4b 64 wait_ms(1000);
sschocke 0:d21e3e1c0a4b 65
sschocke 0:d21e3e1c0a4b 66 pc.printf("Powering WiFi...\r\n");
sschocke 0:d21e3e1c0a4b 67 wifiCHPD = 1;
sschocke 13:1e8f27da036a 68 wifiReset = 1;
sschocke 0:d21e3e1c0a4b 69 wait_ms(250);
sschocke 0:d21e3e1c0a4b 70 pc.printf("Hardware Reset WiFi...\r\n");
sschocke 0:d21e3e1c0a4b 71 wifiOn = 1;
sschocke 0:d21e3e1c0a4b 72
sschocke 7:f15c81074400 73 pc.printf("Starting Web Server...\r\n");
sschocke 7:f15c81074400 74 server.Initialize();
sschocke 0:d21e3e1c0a4b 75 pc.printf("Done\r\n");
sschocke 0:d21e3e1c0a4b 76
sschocke 13:1e8f27da036a 77 setColor( 0, 25, 0);
tomvdb 4:4a502f72cbe3 78 wait_ms(500);
tomvdb 4:4a502f72cbe3 79 setColor( 0, 0, 0);
tomvdb 4:4a502f72cbe3 80
sschocke 0:d21e3e1c0a4b 81 while(true) {
sschocke 9:319aeb6e0123 82 ESP8266_WebRequest* request = server.GetRequest();
sschocke 9:319aeb6e0123 83 if( request != NULL ) {
sschocke 9:319aeb6e0123 84 pc.printf("HTTP %s %s\r\n", request->Method.c_str(), request->URI.c_str());
sschocke 9:319aeb6e0123 85 for( std::map<std::string,std::string>::iterator it = request->Parameters.begin(); it!=request->Parameters.end(); ++it ) {
sschocke 9:319aeb6e0123 86 pc.printf("HTTP Parameter %s = %s\r\n", it->first.c_str(), it->second.c_str());
sschocke 9:319aeb6e0123 87 }
sschocke 7:f15c81074400 88 std::string httpReply;
sschocke 9:319aeb6e0123 89 if( request->URI == "/" ) {
sschocke 20:f5a6527bfda6 90 httpReply = "<html><head><title>WiFi Lamp</title> \
sschocke 20:f5a6527bfda6 91 <link rel='stylesheet' href='wifilamp.css'> \
sschocke 20:f5a6527bfda6 92 <script src='wifilamp.js'></script></head> \
leet 16:f2f2da9ef9ab 93 <body><h1>The WiFi Lamp v0.02 is alive ...</h1>Quick colour links:<br> \
leet 16:f2f2da9ef9ab 94 <a href='/red'>Red</a><br><a href='/green'>Green</a><br><a href='/blue'>Blue</a><br><a href='/white'>White</a><br> \
leet 16:f2f2da9ef9ab 95 <form id='setcolour' action='setcolour' > \
leet 16:f2f2da9ef9ab 96 <p> \
leet 16:f2f2da9ef9ab 97 Red: <input type='text' name='r' value='0' /> \
leet 16:f2f2da9ef9ab 98 </p> \
leet 16:f2f2da9ef9ab 99 <p> \
leet 16:f2f2da9ef9ab 100 Green: <input type='text' name='g' value='0' /> \
leet 16:f2f2da9ef9ab 101 </p> \
leet 16:f2f2da9ef9ab 102 <p> \
leet 16:f2f2da9ef9ab 103 Blue: <input type='text' name='b' value='0' /> \
leet 16:f2f2da9ef9ab 104 </p> \
leet 16:f2f2da9ef9ab 105 <p> \
leet 16:f2f2da9ef9ab 106 <input type='submit' /> \
leet 16:f2f2da9ef9ab 107 </p> \
leet 16:f2f2da9ef9ab 108 </form> \
leet 16:f2f2da9ef9ab 109 </body></html>";
sschocke 7:f15c81074400 110 setColor(0,0,0);
sschocke 12:fbf950985e1c 111 server.SendReply(request->LinkID, httpReply, mimeHTML);
sschocke 20:f5a6527bfda6 112 } else if( request->URI == "/wifilamp.js" ) {
sschocke 20:f5a6527bfda6 113 server.SendReply(request->LinkID, javascript, strlen(javascript), mimeJavaScript);
sschocke 20:f5a6527bfda6 114 } else if( request->URI == "/wifilamp.css" ) {
sschocke 20:f5a6527bfda6 115 server.SendReply(request->LinkID, css, strlen(css), mimeCSS);
sschocke 9:319aeb6e0123 116 } else if( request->URI == "/red" ) {
leet 10:f48a9f923271 117 httpReply = "<html><head><title>WiFi Lamp</title></head><body><h1>The WiFi Lamp is now Red - To Turn <a href='/'>Off</a></h1></body></html>";
sschocke 7:f15c81074400 118 setColor(100, 0, 0);
sschocke 11:3ab606a42227 119 server.SendReply(request->LinkID, httpReply, mimeHTML);
leet 10:f48a9f923271 120 } else if( request->URI == "/green" ) {
leet 10:f48a9f923271 121 httpReply = "<html><head><title>WiFi Lamp</title></head><body><h1>The WiFi Lamp is now Green - To Turn <a href='/'>Off</a></h1></body></html>";
leet 10:f48a9f923271 122 setColor(0, 100, 0);
sschocke 12:fbf950985e1c 123 server.SendReply(request->LinkID, httpReply, mimeHTML);
leet 10:f48a9f923271 124 } else if( request->URI == "/blue" ) {
leet 10:f48a9f923271 125 httpReply = "<html><head><title>WiFi Lamp</title></head><body><h1>The WiFi Lamp is now Blue - To Turn <a href='/'>Off</a></h1></body></html>";
leet 10:f48a9f923271 126 setColor(0, 0, 100);
sschocke 12:fbf950985e1c 127 server.SendReply(request->LinkID, httpReply, mimeHTML);
leet 10:f48a9f923271 128 } else if( request->URI == "/white" ) {
leet 10:f48a9f923271 129 httpReply = "<html><head><title>WiFi Lamp</title></head><body><h1>The WiFi Lamp is now White - To Turn <a href='/'>Off</a></h1></body></html>";
leet 10:f48a9f923271 130 setColor(100, 100, 100);
sschocke 12:fbf950985e1c 131 server.SendReply(request->LinkID, httpReply, mimeHTML);
leet 16:f2f2da9ef9ab 132 } else if( request->URI == "/setcolour" || request->URI == "/setcolor" ) {
sschocke 7:f15c81074400 133 int r=0, g=0, b=0;
sschocke 9:319aeb6e0123 134
sschocke 9:319aeb6e0123 135 if(request->Parameters.count("r") > 0) r=atoi(request->Parameters["r"].c_str());
sschocke 9:319aeb6e0123 136 if(request->Parameters.count("g") > 0) g=atoi(request->Parameters["g"].c_str());
sschocke 9:319aeb6e0123 137 if(request->Parameters.count("b") > 0) b=atoi(request->Parameters["b"].c_str());
sschocke 7:f15c81074400 138
leet 16:f2f2da9ef9ab 139 pc.printf( "Set colour to (%i, %i, %i)\r\n", r,g,b);
sschocke 0:d21e3e1c0a4b 140
sschocke 7:f15c81074400 141 setColor( r,g,b );
sschocke 7:f15c81074400 142
sschocke 7:f15c81074400 143 httpReply = "<html><head><title>WiFi Lamp</title></head><body>ok</body></html>";
sschocke 11:3ab606a42227 144 server.SendReply(request->LinkID, httpReply, mimeHTML);
sschocke 7:f15c81074400 145 } else {
sschocke 11:3ab606a42227 146 server.Send404Error(request->LinkID);
sschocke 0:d21e3e1c0a4b 147 }
sschocke 7:f15c81074400 148 pc.printf("\r\nHTTP Reply Sent\r\n");
sschocke 9:319aeb6e0123 149 delete request;
sschocke 0:d21e3e1c0a4b 150 }
sschocke 0:d21e3e1c0a4b 151 }
sschocke 0:d21e3e1c0a4b 152 }