ELZET80 / Mbed 2 deprecated mbedRail24v

demonstration software for mbedRail24v board (mbed LPC1768)

Dependencies:   EthernetInterface Tiny-HTTPD mbed-rtos mbed

demo.cpp@0:7b5e68d593c6, 2014-08-01 (annotated)

Committer:
kbed
Date:
Fri Aug 01 10:04:07 2014 +0000
Revision:
0:7b5e68d593c6
Child:
1:d4107c3853a6
initial commit

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kbed 0:7b5e68d593c6 1 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 2 * mbed RAIL24V demo application
kbed 0:7b5e68d593c6 3 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 4 * Description:
kbed 0:7b5e68d593c6 5 * This program should demonstrate some features of the mbed RAIL24V Board
kbed 0:7b5e68d593c6 6 * and help to write own web applications for the LPC1768 mbed board.
kbed 0:7b5e68d593c6 7 *
kbed 0:7b5e68d593c6 8 * Features:
kbed 0:7b5e68d593c6 9 * * Webserver listening on port 80 with io port handling
kbed 0:7b5e68d593c6 10 * * RS232/RS485 echo
kbed 0:7b5e68d593c6 11 * * examples for interrupt and thread handling
kbed 0:7b5e68d593c6 12 *
kbed 0:7b5e68d593c6 13 * Debugging:
kbed 0:7b5e68d593c6 14 * * via "embedded" mbed USB->Serial Port (9600 Baud)
kbed 0:7b5e68d593c6 15 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 16 #include "mbed.h"
kbed 0:7b5e68d593c6 17 #include "EthernetInterface.h"
kbed 0:7b5e68d593c6 18 #include "HTTPD.h"
kbed 0:7b5e68d593c6 19
kbed 0:7b5e68d593c6 20
kbed 0:7b5e68d593c6 21 #define debug //enable debug output on virtual usb->com port
kbed 0:7b5e68d593c6 22 #define dhcp_disable //use user defined ip-address
kbed 0:7b5e68d593c6 23
kbed 0:7b5e68d593c6 24 /*----------------------------------------------------------------------------
kbed 0:7b5e68d593c6 25 * constants
kbed 0:7b5e68d593c6 26 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 27
kbed 0:7b5e68d593c6 28 /*content and length of "/dynamic/Elogo.gif"*/
kbed 0:7b5e68d593c6 29 const char* const elogo_gif = 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kbed 0:7b5e68d593c6 30 const int elogo_gif_len = 1686;
kbed 0:7b5e68d593c6 31 /*content and length of "/dynamic/bg.gif"*/
kbed 0:7b5e68d593c6 32 const char* const bg_gif = 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kbed 0:7b5e68d593c6 33 const int bg_gif_len = 1518;
kbed 0:7b5e68d593c6 34 /*content and lenght of "/dynamic/favicon.ico"*/
kbed 0:7b5e68d593c6 35 const char* const favicon_ico = "\x00\x00\x01\x00\x01\x00\x10\x10\x10\x00\x01\x00\x04\x00\x28\x01\x00\x00\x16\x00\x00\x00\x28\x00\x00\x00\x10\x00\x00\x00\x20\x00\x00\x00\x01\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xC8\x77\x31\x00\x9E\xBF\x39\x00\xEF\x9E\x58\x00\xFC\xA7\x52\x00\xFF\xA4\x54\x00\xFF\xF4\xC2\x00\xFF\xFF\xFF\x00\xC0\xC0\xC0\x00\x00\x00\xFF\x00\x00\xFF\x00\x00\x00\xFF\xFF\x00\xFF\x00\x00\x00\xFF\x00\xFF\x00\xFF\xFF\x00\x00\xFF\xFF\xFF\x00\x11\x72\x72\x72\x72\x72\x71\x10\x17\x72\x72\x72\x72\x72\x77\x10\x77\x72\x72\x72\x72\x72\x77\x70\x22\x77\x77\x77\x77\x77\x22\x20\x77\x77\x61\x64\x11\x77\x77\x70\x22\x77\x17\x53\x71\x77\x22\x20\x77\x77\x16\x53\x71\x77\x77\x70\x22\x77\x11\x53\x71\x77\x22\x20\x77\x77\x17\x53\x71\x77\x77\x70\x11\x77\x61\x64\x11\x77\x11\x10\x11\x11\x11\x11\x11\x11\x11\x10\x17\x71\x76\x77\x17\x71\x71\x10\x17\x11\x71\x71\x17\x11\x71\x10\x17\x61\x71\x16\x17\x61\x71\x10\x17\x71\x71\x77\x17\x77\x77\x10\x11\x11\x11\x11\x11\x11\x11\x10\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04\x00\x01\xF3\x04";
kbed 0:7b5e68d593c6 36 const int favicon_ico_len = 318;
kbed 0:7b5e68d593c6 37
kbed 0:7b5e68d593c6 38 /*content of "/dynamic/Cstyle.css"*/
kbed 0:7b5e68d593c6 39 const char* const static_css =
kbed 0:7b5e68d593c6 40 "/* Main Style sheet for the ELZET80 */"
kbed 0:7b5e68d593c6 41 "body{font: 100% Arial,Helvetica,sans-serif; text-align: center; margin: 0; background: #FFF; color: #000;}"
kbed 0:7b5e68d593c6 42 "#container{width: 100%;}"
kbed 0:7b5e68d593c6 43 "#header{clear: both; width: 80%; min-width: 500px; margin: 0 auto; height:130px; padding: 10px 0 0; color:#999;}"
kbed 0:7b5e68d593c6 44 "#main-outer{float: left; clear: both; width: 100%;background: #FFF url(/dynamic/bg.gif) repeat-x;}"
kbed 0:7b5e68d593c6 45 "#main{clear: both; width: 90%; min-width: 500px; margin: 0 auto; text-align: left; padding: 0 10px;}"
kbed 0:7b5e68d593c6 46 "#footer{width: 100%; background: #BBB; clear:both; font-size: 10pt; color: #555;}"
kbed 0:7b5e68d593c6 47 "img{border: none;}"
kbed 0:7b5e68d593c6 48 ".left{float: left;}"
kbed 0:7b5e68d593c6 49 ".right{float: right;}"
kbed 0:7b5e68d593c6 50 ".left-align{text-align: left;}"
kbed 0:7b5e68d593c6 51 ".right-align{text-align: right;}"
kbed 0:7b5e68d593c6 52 ".center-align{text-align: center;}"
kbed 0:7b5e68d593c6 53 ".lf{clear: both; margin: 0; padding: 5px 0;}"
kbed 0:7b5e68d593c6 54 ".block1{float: left; display: block; width: 225px; padding: 0 10px; margin: 0 0 10px;}"
kbed 0:7b5e68d593c6 55 ".block2{float: left; display: block; width: 470px; padding: 0 10px; margin: 0 0 10px;}"
kbed 0:7b5e68d593c6 56 ".block100{float: left; display: block; width: 98%; padding: 0 1%; margin: 0 0 10px;}"
kbed 0:7b5e68d593c6 57 ".max750{max-width: 750px;}"
kbed 0:7b5e68d593c6 58 ".max850{max-width: 850px;}"
kbed 0:7b5e68d593c6 59 ".form-table{width: 100%; border: 1px solid #AAA; margin: 5px 0 0; text-align: left; border-collapse: collapse;}"
kbed 0:7b5e68d593c6 60 ".form-table tr td, .form-table tr th{padding: 5px;}"
kbed 0:7b5e68d593c6 61 ".margin-top-10{margin-top: 10px;}"
kbed 0:7b5e68d593c6 62 ".no-border{border: none;}"
kbed 0:7b5e68d593c6 63 ".border-td tr td, .border-td tr th{border: 1px solid #AAA;}"
kbed 0:7b5e68d593c6 64 "legend{font-weight: bold;}"
kbed 0:7b5e68d593c6 65 "#header #logo{float: left; display: block;}"
kbed 0:7b5e68d593c6 66 "#header #title{font-size: 18pt; float: left; margin: 15px 0 0 20px; display: block;}"
kbed 0:7b5e68d593c6 67 "#header #text{float: right; text-align: left; display: block;}"
kbed 0:7b5e68d593c6 68 "#menu-block{float: left; display: block; }"
kbed 0:7b5e68d593c6 69 "#home-page-img img{float: right; display: block; max-width: 300px;}"
kbed 0:7b5e68d593c6 70 "#main h1{float: left; clear: both; color: #FFF;}"
kbed 0:7b5e68d593c6 71 "#main h2{float: left; clear: both; color: #FFF; margin: -10px 0 10px; padding: 0;}"
kbed 0:7b5e68d593c6 72 "#menu{margin: 0;}"
kbed 0:7b5e68d593c6 73 "ul li{list-style-type: circle; padding: 3px;}"
kbed 0:7b5e68d593c6 74 "#footer p {margin: 0; padding: 10px 0 10px 15px;}"
kbed 0:7b5e68d593c6 75 "#footer a {color:#009898;}"
kbed 0:7b5e68d593c6 76 ".io-user-outputs td{text-align: center; font-weight: bold; font-size: 26px; padding: 5px 0; cursor: hand;}"
kbed 0:7b5e68d593c6 77 ".io-user-outputs td:hover{background: #CCC;}";
kbed 0:7b5e68d593c6 78
kbed 0:7b5e68d593c6 79
kbed 0:7b5e68d593c6 80 /*header-part of the dynamically generated analog-input website*/
kbed 0:7b5e68d593c6 81 const char* const analog_header =
kbed 0:7b5e68d593c6 82 "<html xmlns=\"http://www.w3.org/1999/xhtml\">"
kbed 0:7b5e68d593c6 83 "<head>"
kbed 0:7b5e68d593c6 84 "<title>Welcome to mbed\'s Web Page!</title>"
kbed 0:7b5e68d593c6 85 "<meta http-equiv=\"Content-Type\"content=\"no-cache\"content=\"text/html; charset=ISO-8859-1\" />"
kbed 0:7b5e68d593c6 86 "<link rel=\"shortcut icon\" href=\"/dynamic/favicon.ico\" />\n"
kbed 0:7b5e68d593c6 87 "<link rel=\"stylesheet\" type=\"text/css\" media=\"screen\" href=\"/dynamic/Cstyle.css\" />\n"
kbed 0:7b5e68d593c6 88 "</head>"
kbed 0:7b5e68d593c6 89 "<body>"
kbed 0:7b5e68d593c6 90 "<div id=\"container\">"
kbed 0:7b5e68d593c6 91 "<div id=\"header\">"
kbed 0:7b5e68d593c6 92 "<div id=\"logo\"><a href=/index.htm><img src=\"/dynamic/Elogo.gif\" alt=\"ELZET80\" title=\"Go to home page\" /></a></div>"
kbed 0:7b5e68d593c6 93 "<div id=\"title\">Welcome Elzet 80 mbedRail24v Demo</div>"
kbed 0:7b5e68d593c6 94 "<div id=\"text\">"
kbed 0:7b5e68d593c6 95 "<p>Running ELZET80 mbed demo</p>"
kbed 0:7b5e68d593c6 96 "</div>"
kbed 0:7b5e68d593c6 97 "</div>"
kbed 0:7b5e68d593c6 98 "<div id=\"main-outer\">"
kbed 0:7b5e68d593c6 99 "<div id=\"main\">";
kbed 0:7b5e68d593c6 100
kbed 0:7b5e68d593c6 101 /*header-part of the dynamic generated io website*/
kbed 0:7b5e68d593c6 102 const char* const io_header =
kbed 0:7b5e68d593c6 103 "<html xmlns=\"http://www.w3.org/1999/xhtml\">"
kbed 0:7b5e68d593c6 104 "<head>"
kbed 0:7b5e68d593c6 105 "<title>Welcome to mbed\'s Web Page!</title>"
kbed 0:7b5e68d593c6 106 "<meta http-equiv=\"Content-Type\"content=\"no-cache\"content=\"text/html; charset=ISO-8859-1\" />"
kbed 0:7b5e68d593c6 107 "<link rel=\"shortcut icon\" href=\"/dynamic/favicon.ico\" />\n"
kbed 0:7b5e68d593c6 108 "<link rel=\"stylesheet\" type=\"text/css\" media=\"screen\" href=\"/dynamic/Cstyle.css\" />\n"
kbed 0:7b5e68d593c6 109 "<script type=\"text/javascript\">\n"
kbed 0:7b5e68d593c6 110 "function key(id){\n"
kbed 0:7b5e68d593c6 111 "var out=\"io.htm?o\"+id;location.href=out}\n"
kbed 0:7b5e68d593c6 112 "</script>\n"
kbed 0:7b5e68d593c6 113 "</head>"
kbed 0:7b5e68d593c6 114 "<body>"
kbed 0:7b5e68d593c6 115 "<div id=\"container\">"
kbed 0:7b5e68d593c6 116 "<div id=\"header\">"
kbed 0:7b5e68d593c6 117 "<div id=\"logo\"><a href=/index.htm><img src=\"/dynamic/Elogo.gif\" alt=\"ELZET80\" title=\"Go to home page\" /></a></div>"
kbed 0:7b5e68d593c6 118 "<div id=\"title\">Welcome Elzet 80 mbedRail24v Demo</div>"
kbed 0:7b5e68d593c6 119 "<div id=\"text\">"
kbed 0:7b5e68d593c6 120 "<p>Running ELZET80 mbed demo</p>"
kbed 0:7b5e68d593c6 121 "</div>"
kbed 0:7b5e68d593c6 122 "</div>"
kbed 0:7b5e68d593c6 123 "<div id=\"main-outer\">"
kbed 0:7b5e68d593c6 124 "<div id=\"main\">";
kbed 0:7b5e68d593c6 125
kbed 0:7b5e68d593c6 126 /*footer of the dynamic generatred analog and io webpages*/
kbed 0:7b5e68d593c6 127 const char* const io_footer=
kbed 0:7b5e68d593c6 128 "</div>"
kbed 0:7b5e68d593c6 129 "</div>"
kbed 0:7b5e68d593c6 130 "</div>"
kbed 0:7b5e68d593c6 131 "<div id=\"footer\">"
kbed 0:7b5e68d593c6 132 "<p>&copy; 2012 &nbsp; ELZET80 Mikrocomputer GmbH&Co. KG &bull; Aachen &bull; <a href=\"http://www.elzet80.de\">www.elzet80.de</a></p>"
kbed 0:7b5e68d593c6 133 "</div>"
kbed 0:7b5e68d593c6 134 "</div>"
kbed 0:7b5e68d593c6 135 "</body>"
kbed 0:7b5e68d593c6 136 "</html>";
kbed 0:7b5e68d593c6 137
kbed 0:7b5e68d593c6 138 /*content of index.html*/
kbed 0:7b5e68d593c6 139 const char* const index_html =
kbed 0:7b5e68d593c6 140 "<html xmlns=\"http://www.w3.org/1999/xhtml\">\r\n"
kbed 0:7b5e68d593c6 141 "<head>\r\n"
kbed 0:7b5e68d593c6 142 "<title>Welcome to mbed\'s Web Page!</title>\r\n"
kbed 0:7b5e68d593c6 143 "<meta http-equiv=\"Content-Type\"content=\"no-cache\"content=\"text/html; charset=ISO-8859-1\" />\r\n"
kbed 0:7b5e68d593c6 144 "<link rel=\"shortcut icon\" href=\"/dynamic/favicon.ico\" />\r\n"
kbed 0:7b5e68d593c6 145 "<link rel=\"stylesheet\" type=\"text/css\" media=\"screen\" href=\"/dynamic/Cstyle.css\" />\r\n"
kbed 0:7b5e68d593c6 146 "</head>\r\n"
kbed 0:7b5e68d593c6 147 "<body>\r\n"
kbed 0:7b5e68d593c6 148 "\r\n"
kbed 0:7b5e68d593c6 149 "<div id=\"container\">\r\n"
kbed 0:7b5e68d593c6 150 "\r\n"
kbed 0:7b5e68d593c6 151 "<div id=\"header\">\r\n"
kbed 0:7b5e68d593c6 152 "<div id=\"logo\"><img src=\"/dynamic/Elogo.gif\" alt=\"ELZET80\" title=\"Home page\" /></div>\r\n"
kbed 0:7b5e68d593c6 153 "<div id=\"title\">Welcome Elzet 80 mbedRail24v Demo</div>\r\n"
kbed 0:7b5e68d593c6 154 "<div id=\"text\">\r\n"
kbed 0:7b5e68d593c6 155 "<p>Running ELZET80 mbed demo</p>\r\n"
kbed 0:7b5e68d593c6 156 "</div>\r\n"
kbed 0:7b5e68d593c6 157 "</div>\r\n"
kbed 0:7b5e68d593c6 158 "\r\n"
kbed 0:7b5e68d593c6 159 "<div id=\"main-outer\">\r\n"
kbed 0:7b5e68d593c6 160 "<div id=\"main\">\r\n"
kbed 0:7b5e68d593c6 161 "<h1>Main menu </h1>\r\n"
kbed 0:7b5e68d593c6 162 "<div class=\"lf\">\r\n"
kbed 0:7b5e68d593c6 163 "<div id=\"menu-block\">\r\n"
kbed 0:7b5e68d593c6 164 "<ul id=\"menu\">\r\n"
kbed 0:7b5e68d593c6 165 "<li><a href=\"/dynamic/io.htm\">Digital I/O Page</a></li>\r\n"
kbed 0:7b5e68d593c6 166 "<li><a href=\"/dynamic/analog.htm\">Analog Input Page</a></li>\r\n"
kbed 0:7b5e68d593c6 167 "</ul>\r\n"
kbed 0:7b5e68d593c6 168 "</br>\r\n"
kbed 0:7b5e68d593c6 169 "</div>\r\n"
kbed 0:7b5e68d593c6 170 "</div>\r\n"
kbed 0:7b5e68d593c6 171 "</div>\r\n"
kbed 0:7b5e68d593c6 172 "</div>\r\n"
kbed 0:7b5e68d593c6 173 "\r\n"
kbed 0:7b5e68d593c6 174 "<div id=\"footer\">\r\n"
kbed 0:7b5e68d593c6 175 "<p>&copy; 2012 &nbsp; ELZET80 Mikrocomputer GmbH&Co. KG &bull; Aachen &bull; <a href=\"http://www.elzet80.de\">www.elzet80.de</a></p>\r\n"
kbed 0:7b5e68d593c6 176 "</div>\r\n"
kbed 0:7b5e68d593c6 177 "\r\n"
kbed 0:7b5e68d593c6 178 "</div>\r\n"
kbed 0:7b5e68d593c6 179 "\r\n"
kbed 0:7b5e68d593c6 180 "</body>\r\n"
kbed 0:7b5e68d593c6 181 "</html>";
kbed 0:7b5e68d593c6 182
kbed 0:7b5e68d593c6 183 /*definition of constants for hardware abstraction (enables compatibility to "ELZET80 kbed uTasker Platform")*/
kbed 0:7b5e68d593c6 184 const char ASCII_out = '0'; // 0-9 for output ports
kbed 0:7b5e68d593c6 185 const char ASCII_in = 'a'; // a-f for input ports
kbed 0:7b5e68d593c6 186 const char ASCII_analog = '0'; // 0-9 for analog input
kbed 0:7b5e68d593c6 187
kbed 0:7b5e68d593c6 188
kbed 0:7b5e68d593c6 189
kbed 0:7b5e68d593c6 190 /*----------------------------------------------------------------------------
kbed 0:7b5e68d593c6 191 * io functions
kbed 0:7b5e68d593c6 192 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 193
kbed 0:7b5e68d593c6 194 /*assign mbed Rail24V io-ports to LPC1768 io ports*/
kbed 0:7b5e68d593c6 195
kbed 0:7b5e68d593c6 196 /*ASCII-characters are only relevant for use with http handling routines*/
kbed 0:7b5e68d593c6 197 DigitalOut out1(p23, 1); //Output 1 --> ASCII "1"
kbed 0:7b5e68d593c6 198 DigitalOut out2(p24, 1); //Output 2 --> ASCII "2"
kbed 0:7b5e68d593c6 199 DigitalOut out3(p25, 1); //Output 3 --> ASCII "3"
kbed 0:7b5e68d593c6 200 DigitalOut out4(p26, 1); //Output 4 --> ASCII "4"
kbed 0:7b5e68d593c6 201 DigitalOut relay1(p22, 0); //Relais --> ASCII "5"
kbed 0:7b5e68d593c6 202 DigitalOut led1(LED1, 0); //MBED led1 - activated in "boot sequence" // blink: led1 (by timer-interrupt ticker)
kbed 0:7b5e68d593c6 203 DigitalOut led2(LED2, 0); //MBED led2 - activated in "boot sequence" // blink: led2 (by led2_thread)
kbed 0:7b5e68d593c6 204 DigitalOut led3(LED3, 0); //Mbed led3
kbed 0:7b5e68d593c6 205 DigitalOut led4(LED4, 0); //MBED led4
kbed 0:7b5e68d593c6 206 DigitalIn in1(p19); //Input 1 --> ASCII "a"
kbed 0:7b5e68d593c6 207 DigitalIn in2(p20); //Input 2 --> ASCII "b"
kbed 0:7b5e68d593c6 208 DigitalIn in3(p11); //Input 3 --> ASCII "c"
kbed 0:7b5e68d593c6 209 DigitalIn in4(p12); //Input 4 --> ASCII "d"
kbed 0:7b5e68d593c6 210 AnalogIn ain1(p15); //Analog Input 1 --> ASCII "1"
kbed 0:7b5e68d593c6 211 AnalogIn ain2(p16); //Analog Input 2 --> ASCII "2"
kbed 0:7b5e68d593c6 212 AnalogIn ain3(p17); //Analog Input 3 --> ASCII "3"
kbed 0:7b5e68d593c6 213 AnalogIn ain4(p18); //Analog Input 4 --> ASCII "4"
kbed 0:7b5e68d593c6 214
kbed 0:7b5e68d593c6 215
kbed 0:7b5e68d593c6 216 DigitalOut rs485_txmode(p21, 0); //RS485 - enable receiver (Port 21: 0 recieve mode / 1 transmit mode)
kbed 0:7b5e68d593c6 217
kbed 0:7b5e68d593c6 218 //Serial interfaces
kbed 0:7b5e68d593c6 219 //Pins UART
kbed 0:7b5e68d593c6 220 //USBTX,USBRX 0
kbed 0:7b5e68d593c6 221 //p13,p14 1
kbed 0:7b5e68d593c6 222 //p28,p27 2
kbed 0:7b5e68d593c6 223 //p9,p10 3
kbed 0:7b5e68d593c6 224
kbed 0:7b5e68d593c6 225 RawSerial rs232(p9, p10); // tx, rx -- rawserial is used for compatibility with interrupt routines
kbed 0:7b5e68d593c6 226 RawSerial rs485(p13, p14); // tx, rx
kbed 0:7b5e68d593c6 227
kbed 0:7b5e68d593c6 228
kbed 0:7b5e68d593c6 229 LocalFileSystem local("local"); //initialize the local file system
kbed 0:7b5e68d593c6 230
kbed 0:7b5e68d593c6 231 Ticker interruptTick; //create a timer
kbed 0:7b5e68d593c6 232
kbed 0:7b5e68d593c6 233 /*httpd*/
kbed 0:7b5e68d593c6 234 HTTPD *httpd; //initialize the httpd-webserver
kbed 0:7b5e68d593c6 235
kbed 0:7b5e68d593c6 236
kbed 0:7b5e68d593c6 237 /*----------------------------------------------------------------------------
kbed 0:7b5e68d593c6 238 * functions
kbed 0:7b5e68d593c6 239 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 240
kbed 0:7b5e68d593c6 241
kbed 0:7b5e68d593c6 242 void index_website_handler (int id);
kbed 0:7b5e68d593c6 243 void dynamic_website_handler (int id);
kbed 0:7b5e68d593c6 244
kbed 0:7b5e68d593c6 245 void dynamic_IO_website(int id);
kbed 0:7b5e68d593c6 246 void dynamic_analog_website(int id);
kbed 0:7b5e68d593c6 247
kbed 0:7b5e68d593c6 248 int io_webhandler_action(char *input_buf, int input_puf_len);
kbed 0:7b5e68d593c6 249
kbed 0:7b5e68d593c6 250 unsigned short read_adc(char port_name);
kbed 0:7b5e68d593c6 251 int read_portval(char port_name);
kbed 0:7b5e68d593c6 252 int write_portval(char port_name, int port_val);
kbed 0:7b5e68d593c6 253 int toggle_port(char port_name);
kbed 0:7b5e68d593c6 254
kbed 0:7b5e68d593c6 255
kbed 0:7b5e68d593c6 256
kbed 0:7b5e68d593c6 257 /*----------------------------------------------------------------------------
kbed 0:7b5e68d593c6 258 * interrupt and thread functions
kbed 0:7b5e68d593c6 259 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 260
kbed 0:7b5e68d593c6 261
kbed 0:7b5e68d593c6 262 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 263 * Routine: echoRS232 (interrupt)
kbed 0:7b5e68d593c6 264 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 265 * Description:
kbed 0:7b5e68d593c6 266 *
kbed 0:7b5e68d593c6 267 * Toggle LED3 to indicate RS232 activity.
kbed 0:7b5e68d593c6 268 * Read a char from the rs232 input port to a buffer and
kbed 0:7b5e68d593c6 269 * send the char to rs232 port.
kbed 0:7b5e68d593c6 270 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 271 void echoRS232() {
kbed 0:7b5e68d593c6 272 char rs232_buffer = 0; //local buffer
kbed 0:7b5e68d593c6 273
kbed 0:7b5e68d593c6 274 led3 = !led3; //toggle LED3
kbed 0:7b5e68d593c6 275
kbed 0:7b5e68d593c6 276 /*read rs232 buffer and write the result back to rs232 interface*/
kbed 0:7b5e68d593c6 277 if (rs232.readable()){ //avoid hanging up the program in case of multiple use of rs232
kbed 0:7b5e68d593c6 278
kbed 0:7b5e68d593c6 279 rs232_buffer = rs232.getc(); //read input to buffer
kbed 0:7b5e68d593c6 280
kbed 0:7b5e68d593c6 281 if (rs232.writeable()){
kbed 0:7b5e68d593c6 282 rs232.putc(rs232_buffer); //write buffer to rs232 output
kbed 0:7b5e68d593c6 283 }
kbed 0:7b5e68d593c6 284 }
kbed 0:7b5e68d593c6 285 return;
kbed 0:7b5e68d593c6 286 }
kbed 0:7b5e68d593c6 287
kbed 0:7b5e68d593c6 288 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 289 * Routine: echoRS485 (interrupt)
kbed 0:7b5e68d593c6 290 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 291 * Description:
kbed 0:7b5e68d593c6 292 * Toggle LED3 to indicate RS485 activity.
kbed 0:7b5e68d593c6 293 * Read a char from the RS485 input port to a buffer, switch RS485 port
kbed 0:7b5e68d593c6 294 * to transmission mode and send the buffered char to RS485 port.
kbed 0:7b5e68d593c6 295 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 296 void echoRS485() {
kbed 0:7b5e68d593c6 297 char rs485_buffer = 0; //local buffer
kbed 0:7b5e68d593c6 298
kbed 0:7b5e68d593c6 299 led3 = !led3; //toggle LED
kbed 0:7b5e68d593c6 300
kbed 0:7b5e68d593c6 301 rs485_txmode = 1; //enable RS485 transmission mode
kbed 0:7b5e68d593c6 302
kbed 0:7b5e68d593c6 303 //read rs485 inpuf buffer and write the result back to rs485 interfacee
kbed 0:7b5e68d593c6 304 if (rs485.readable()){
kbed 0:7b5e68d593c6 305
kbed 0:7b5e68d593c6 306 rs485_buffer = rs485.getc();
kbed 0:7b5e68d593c6 307
kbed 0:7b5e68d593c6 308 if (rs485.writeable()){
kbed 0:7b5e68d593c6 309 rs485.putc(rs485_buffer);
kbed 0:7b5e68d593c6 310 }
kbed 0:7b5e68d593c6 311 }
kbed 0:7b5e68d593c6 312 }
kbed 0:7b5e68d593c6 313
kbed 0:7b5e68d593c6 314 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 315 * Routine: enableRS485receiver (interrupt)
kbed 0:7b5e68d593c6 316 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 317 * Description:
kbed 0:7b5e68d593c6 318 * Disable RS485 transmission mode. (TxIRQ -> tx buffer empty)
kbed 0:7b5e68d593c6 319 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 320 void enableRS485receiver() {
kbed 0:7b5e68d593c6 321 rs485_txmode = 0; //disable RS485 transmission mode
kbed 0:7b5e68d593c6 322 }
kbed 0:7b5e68d593c6 323
kbed 0:7b5e68d593c6 324
kbed 0:7b5e68d593c6 325 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 326 * Routine: interruptTickRoutine
kbed 0:7b5e68d593c6 327 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 328 * Description:
kbed 0:7b5e68d593c6 329 * Toggle LED1.
kbed 0:7b5e68d593c6 330 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 331 void interruptTickRoutine() {
kbed 0:7b5e68d593c6 332 led1 = !led1;
kbed 0:7b5e68d593c6 333 return;
kbed 0:7b5e68d593c6 334 }
kbed 0:7b5e68d593c6 335
kbed 0:7b5e68d593c6 336
kbed 0:7b5e68d593c6 337 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 338 * Routine: led2_thread
kbed 0:7b5e68d593c6 339 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 340 * Description:
kbed 0:7b5e68d593c6 341 * Example for a thread. Toggle LED2 and sleep 1000ms.
kbed 0:7b5e68d593c6 342 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 343 void led2_thread(void const *args) {
kbed 0:7b5e68d593c6 344 while (true) {
kbed 0:7b5e68d593c6 345 led2 = !led2;
kbed 0:7b5e68d593c6 346 Thread::wait(1000);
kbed 0:7b5e68d593c6 347 }
kbed 0:7b5e68d593c6 348 }
kbed 0:7b5e68d593c6 349
kbed 0:7b5e68d593c6 350
kbed 0:7b5e68d593c6 351
kbed 0:7b5e68d593c6 352
kbed 0:7b5e68d593c6 353
kbed 0:7b5e68d593c6 354
kbed 0:7b5e68d593c6 355
kbed 0:7b5e68d593c6 356 /*----------------------------------------------------------------------------
kbed 0:7b5e68d593c6 357 * main ()
kbed 0:7b5e68d593c6 358 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 359 int main() {
kbed 0:7b5e68d593c6 360
kbed 0:7b5e68d593c6 361 #if defined debug
kbed 0:7b5e68d593c6 362 printf("Welcome to ELZET80 mbed demo\r\n"); //print debug Informations to LPC1768 USB-Comport (9600 baud)
kbed 0:7b5e68d593c6 363 #endif
kbed 0:7b5e68d593c6 364
kbed 0:7b5e68d593c6 365 /*Example to write a file to the local filesystem:
kbed 0:7b5e68d593c6 366
kbed 0:7b5e68d593c6 367 FILE *fp = fopen("/local/helloworld.txt", "w"); // Open "helloworld.txt" on the local file system for writing
kbed 0:7b5e68d593c6 368 fprintf(fp, "Hello World!");
kbed 0:7b5e68d593c6 369 fclose(fp);
kbed 0:7b5e68d593c6 370 */
kbed 0:7b5e68d593c6 371
kbed 0:7b5e68d593c6 372 led1=1; //enable status led1
kbed 0:7b5e68d593c6 373
kbed 0:7b5e68d593c6 374 /*Ethernet initialisation - the demo would not start without an ethernet connection*/
kbed 0:7b5e68d593c6 375 EthernetInterface eth;
kbed 0:7b5e68d593c6 376
kbed 0:7b5e68d593c6 377 #if defined dhcp_disable
kbed 0:7b5e68d593c6 378 static const char* netIP = "192.168.17.73";
kbed 0:7b5e68d593c6 379 static const char* netMask = "255.255.255.0";
kbed 0:7b5e68d593c6 380 static const char* netGateway = "192.168.17.73";
kbed 0:7b5e68d593c6 381 eth.init(netIP,netMask,netGateway); //use userpecific IP, Netmask and Gateway
kbed 0:7b5e68d593c6 382 #else
kbed 0:7b5e68d593c6 383 eth.init(); //use DHCP client function
kbed 0:7b5e68d593c6 384 #endif
kbed 0:7b5e68d593c6 385
kbed 0:7b5e68d593c6 386 #if defined debug
kbed 0:7b5e68d593c6 387 printf("starting Ethernet Interface setup\r\n");
kbed 0:7b5e68d593c6 388 #endif
kbed 0:7b5e68d593c6 389
kbed 0:7b5e68d593c6 390 int ethError; //Ethernet error buffer
kbed 0:7b5e68d593c6 391
kbed 0:7b5e68d593c6 392 /*start ethernet connection*/
kbed 0:7b5e68d593c6 393 do{
kbed 0:7b5e68d593c6 394 ethError = eth.connect(5000); //connect to network with 5s (5000ms) timout
kbed 0:7b5e68d593c6 395 #if defined debug
kbed 0:7b5e68d593c6 396 if(ethError)printf("Error %d occurrenced \r\n", ethError);
kbed 0:7b5e68d593c6 397 #endif
kbed 0:7b5e68d593c6 398 wait(1);
kbed 0:7b5e68d593c6 399 }while(ethError != 0); //wait until a network connection was established
kbed 0:7b5e68d593c6 400
kbed 0:7b5e68d593c6 401
kbed 0:7b5e68d593c6 402 led2 = 1; //set status led2
kbed 0:7b5e68d593c6 403
kbed 0:7b5e68d593c6 404 #if defined debug
kbed 0:7b5e68d593c6 405 printf("\r\nEthernet Interface setup finished. IP: %s\r\n", eth.getIPAddress());
kbed 0:7b5e68d593c6 406 printf("enabling RS232/RS485 echo mode ... \r\n");
kbed 0:7b5e68d593c6 407 #endif
kbed 0:7b5e68d593c6 408
kbed 0:7b5e68d593c6 409
kbed 0:7b5e68d593c6 410 /*init serial ports*/
kbed 0:7b5e68d593c6 411 rs232.baud(9600); //set rs232 baudrate to 9600
kbed 0:7b5e68d593c6 412 rs232.printf("Enabled RS232 port - starting echo mode \r\n");
kbed 0:7b5e68d593c6 413 rs232.attach(&echoRS232,Serial::RxIrq); //attach the rs232 echo function to rs232 rx interrupt
kbed 0:7b5e68d593c6 414
kbed 0:7b5e68d593c6 415 rs485.attach(&enableRS485receiver,Serial::TxIrq); //enable automatic rx/tx switching (tx-buffer empty interrupt)
kbed 0:7b5e68d593c6 416 rs485_txmode = 1; //enable RS485 transmission mode
kbed 0:7b5e68d593c6 417 rs485.baud(9600); //set rs485 baudrate to 9600 baud
kbed 0:7b5e68d593c6 418 rs485.printf("Enabled RS485 port - starting echo mode \r\n");
kbed 0:7b5e68d593c6 419 rs485.attach(&echoRS485,Serial::RxIrq); //enable echo mode via RS485 echo routine
kbed 0:7b5e68d593c6 420
kbed 0:7b5e68d593c6 421
kbed 0:7b5e68d593c6 422 httpd = new HTTPD;
kbed 0:7b5e68d593c6 423 httpd->attach("/dynamic/", &dynamic_website_handler); //use the function "dynamic_website_handler" for handling the dynamic websites
kbed 0:7b5e68d593c6 424 //initialize all virtual directories before the root directory
kbed 0:7b5e68d593c6 425 httpd->attach("/flash/", "/local/"); //attach the flash storage ("local") to http://mbed.ip/flash/ -- currently the flash file system handler could not handle subdirectories!
kbed 0:7b5e68d593c6 426
kbed 0:7b5e68d593c6 427 httpd->attach("/", &index_website_handler); //index.html
kbed 0:7b5e68d593c6 428
kbed 0:7b5e68d593c6 429
kbed 0:7b5e68d593c6 430 httpd->start(80); //httpd on port 80
kbed 0:7b5e68d593c6 431
kbed 0:7b5e68d593c6 432
kbed 0:7b5e68d593c6 433 #if defined debug
kbed 0:7b5e68d593c6 434 printf("Webserver started.\r\n");
kbed 0:7b5e68d593c6 435 #endif
kbed 0:7b5e68d593c6 436
kbed 0:7b5e68d593c6 437
kbed 0:7b5e68d593c6 438 #if defined debug
kbed 0:7b5e68d593c6 439 printf("enabling Ticker for led1 and Thread for led2 \r\n");
kbed 0:7b5e68d593c6 440 #endif
kbed 0:7b5e68d593c6 441
kbed 0:7b5e68d593c6 442 interruptTick.attach(&interruptTickRoutine,0.5); //enabling Ticker for timer interrupt triggered subroutine (.5s periodic toggling of led1)
kbed 0:7b5e68d593c6 443
kbed 0:7b5e68d593c6 444
kbed 0:7b5e68d593c6 445 Thread led2Thread(led2_thread, NULL, osPriorityNormal, 1024 * 4); //create a separate thread
kbed 0:7b5e68d593c6 446
kbed 0:7b5e68d593c6 447 //endless loop - "httpd-thread"
kbed 0:7b5e68d593c6 448 while(1){
kbed 0:7b5e68d593c6 449 Thread::wait(5); //wait 5 ms
kbed 0:7b5e68d593c6 450
kbed 0:7b5e68d593c6 451
kbed 0:7b5e68d593c6 452 /*handle waiting http requests*/
kbed 0:7b5e68d593c6 453 /* the program waits here until a request was made and answered*/
kbed 0:7b5e68d593c6 454
kbed 0:7b5e68d593c6 455 httpd->poll(); //poll httpd for incoming requests
kbed 0:7b5e68d593c6 456
kbed 0:7b5e68d593c6 457 led3 = !led3; //toogle led3 (indicate that a http request was handled)
kbed 0:7b5e68d593c6 458
kbed 0:7b5e68d593c6 459 }
kbed 0:7b5e68d593c6 460 }
kbed 0:7b5e68d593c6 461 /* end of main() */
kbed 0:7b5e68d593c6 462
kbed 0:7b5e68d593c6 463
kbed 0:7b5e68d593c6 464
kbed 0:7b5e68d593c6 465
kbed 0:7b5e68d593c6 466
kbed 0:7b5e68d593c6 467 /*----------------------------------------------------------------------------
kbed 0:7b5e68d593c6 468 * website handling functions
kbed 0:7b5e68d593c6 469 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 470
kbed 0:7b5e68d593c6 471
kbed 0:7b5e68d593c6 472 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 473 * Routine: dynamic_website_handler
kbed 0:7b5e68d593c6 474 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 475 * Description:
kbed 0:7b5e68d593c6 476 * Website hander for handling requests of "http://mbed.ip/ *** ".
kbed 0:7b5e68d593c6 477 *
kbed 0:7b5e68d593c6 478 * Inputs:
kbed 0:7b5e68d593c6 479 * int id -- number of httpd web handler
kbed 0:7b5e68d593c6 480 * Outputs:
kbed 0:7b5e68d593c6 481 * none -- only output to web browser
kbed 0:7b5e68d593c6 482 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 483 void index_website_handler (int id) {
kbed 0:7b5e68d593c6 484 char input_buf[256]; //create an input buffer
kbed 0:7b5e68d593c6 485
kbed 0:7b5e68d593c6 486 strcpy(input_buf, httpd->getFilename(id)); //copy requested file name to buffer
kbed 0:7b5e68d593c6 487
kbed 0:7b5e68d593c6 488 #if defined debug
kbed 0:7b5e68d593c6 489 printf("index website handler -- handler-id:%d reqested file:%s\r\n", id, input_buf);
kbed 0:7b5e68d593c6 490 #endif
kbed 0:7b5e68d593c6 491
kbed 0:7b5e68d593c6 492 httpd->send(id, index_html, strlen(index_html), "Content-Type: text/html\r\n"); //transmit content of "index_html" to browser
kbed 0:7b5e68d593c6 493
kbed 0:7b5e68d593c6 494 }
kbed 0:7b5e68d593c6 495
kbed 0:7b5e68d593c6 496
kbed 0:7b5e68d593c6 497 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 498 * Routine: dynamic_website_handler
kbed 0:7b5e68d593c6 499 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 500 * Description:
kbed 0:7b5e68d593c6 501 * Website hander for handling requests of "http://mbed.ip/dynamic/ *** ".
kbed 0:7b5e68d593c6 502 * Inputs:
kbed 0:7b5e68d593c6 503 * int id -- number of httpd web handler
kbed 0:7b5e68d593c6 504 * Outputs:
kbed 0:7b5e68d593c6 505 * "http" -- output to web browser
kbed 0:7b5e68d593c6 506 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 507 void dynamic_website_handler (int id) {
kbed 0:7b5e68d593c6 508 char input_buf[256]; //buffer for request parameters
kbed 0:7b5e68d593c6 509
kbed 0:7b5e68d593c6 510 strcpy(input_buf, httpd->getFilename(id)); //copy request to buffer
kbed 0:7b5e68d593c6 511
kbed 0:7b5e68d593c6 512 #if defined debug
kbed 0:7b5e68d593c6 513 printf("dynamic website handler -- handler-id:%d reqested file:%s\r\n", id, input_buf);
kbed 0:7b5e68d593c6 514 #endif
kbed 0:7b5e68d593c6 515
kbed 0:7b5e68d593c6 516 /*process the request*/
kbed 0:7b5e68d593c6 517 if(strcmp (input_buf, "Elogo.gif") == 0) {
kbed 0:7b5e68d593c6 518 httpd->send(id, elogo_gif, elogo_gif_len, "Content-Type: image/gif\r\n");
kbed 0:7b5e68d593c6 519 } else if(strcmp (input_buf, "bg.gif") == 0) {
kbed 0:7b5e68d593c6 520 httpd->send(id, bg_gif, bg_gif_len, "Content-Type: image/gif\r\n");
kbed 0:7b5e68d593c6 521 } else if(strcmp (input_buf, "Cstyle.css") == 0) {
kbed 0:7b5e68d593c6 522 httpd->send(id, static_css, strlen(static_css), "Content-Type: text/html\r\n");
kbed 0:7b5e68d593c6 523 } else if(strcmp (input_buf, "favicon.ico") == 0) {
kbed 0:7b5e68d593c6 524 httpd->send(id, favicon_ico, favicon_ico_len, "Content-Type: image/x-icon\r\n");
kbed 0:7b5e68d593c6 525 } else if (strcmp(input_buf, "io.htm") == 0){
kbed 0:7b5e68d593c6 526 dynamic_IO_website(id);
kbed 0:7b5e68d593c6 527 } else if(strcmp (input_buf, "analog.htm") == 0) {
kbed 0:7b5e68d593c6 528 dynamic_analog_website(id);
kbed 0:7b5e68d593c6 529 } else{
kbed 0:7b5e68d593c6 530 httpd->httpdError(id, 404);
kbed 0:7b5e68d593c6 531 }
kbed 0:7b5e68d593c6 532 }
kbed 0:7b5e68d593c6 533
kbed 0:7b5e68d593c6 534
kbed 0:7b5e68d593c6 535 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 536 * Routine: dynamic_analog_website
kbed 0:7b5e68d593c6 537 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 538 * Description:
kbed 0:7b5e68d593c6 539 * Generation and handling of the dynamic website for digital ports.
kbed 0:7b5e68d593c6 540 * Inputs:
kbed 0:7b5e68d593c6 541 * int id -- number of httpd web handler
kbed 0:7b5e68d593c6 542 * Outputs:
kbed 0:7b5e68d593c6 543 * "http" -- output to web browser
kbed 0:7b5e68d593c6 544 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 545 void dynamic_IO_website(int id){
kbed 0:7b5e68d593c6 546 char out_buf[2000]; //buffer for website output (buffer size is minimized to max. required size)
kbed 0:7b5e68d593c6 547 char query_buf[256]; //buffer to store
kbed 0:7b5e68d593c6 548 char tempstring[32]; //buffer for small string construction
kbed 0:7b5e68d593c6 549 int counter = 0; //counter variable (multiple use)
kbed 0:7b5e68d593c6 550
kbed 0:7b5e68d593c6 551 strcpy(query_buf, httpd->getQueryString(id)); //copy transmitted parameters to query_buf
kbed 0:7b5e68d593c6 552 strcpy(out_buf, io_header); //initialize Website output
kbed 0:7b5e68d593c6 553
kbed 0:7b5e68d593c6 554 io_webhandler_action(query_buf, strlen(query_buf)); //handle transmitted parameters stored in query_buf
kbed 0:7b5e68d593c6 555
kbed 0:7b5e68d593c6 556
kbed 0:7b5e68d593c6 557 /*create website in buffer*/
kbed 0:7b5e68d593c6 558 strcat(out_buf,"<h1>View and Control Ports</h1><div class=\"lf\"><div class=\"block2\"><fieldset><legend>I/OPorts</legend>");
kbed 0:7b5e68d593c6 559
kbed 0:7b5e68d593c6 560 strcat(out_buf,"<table class=\"form-table border-td\"><tr><th colspan=\"5\" class=\"center-align\">Outputs</th></tr><tr class=\"center-align\"><td>OUT1</td><td>OUT2</td><td>OUT3</td><td>OUT4</td><td>RELAY</td></tr><tr class=\"center-align\">");
kbed 0:7b5e68d593c6 561
kbed 0:7b5e68d593c6 562 /*read status of output ports*/
kbed 0:7b5e68d593c6 563 for(counter = 1; counter <= 5; counter++){
kbed 0:7b5e68d593c6 564 strcat(out_buf,"<th style=\" background-color:");
kbed 0:7b5e68d593c6 565 if (read_portval(ASCII_out + char(counter))){
kbed 0:7b5e68d593c6 566 strcat(out_buf,"gold");
kbed 0:7b5e68d593c6 567 }else{
kbed 0:7b5e68d593c6 568 strcat(out_buf,"lime");
kbed 0:7b5e68d593c6 569 }
kbed 0:7b5e68d593c6 570 strcat(out_buf,"\" onclick=\"key(\'");
kbed 0:7b5e68d593c6 571 sprintf(tempstring,"%i\')\">O%i</th>",counter,counter);
kbed 0:7b5e68d593c6 572 strcat(out_buf,tempstring);
kbed 0:7b5e68d593c6 573 }
kbed 0:7b5e68d593c6 574
kbed 0:7b5e68d593c6 575 strcat(out_buf, "</tr> </table>");
kbed 0:7b5e68d593c6 576 strcat(out_buf, "<table class=\"form-table border-td\"><tr><th colspan=\"4\" class=\"center-align\">Inputs</th></tr><tr class=\"center-align\"> <td>IN1</td> <td>IN2</td><td>IN3</td><td>IN4</td></tr><tr class=\"center-align\">");
kbed 0:7b5e68d593c6 577
kbed 0:7b5e68d593c6 578 /*read input values*/
kbed 0:7b5e68d593c6 579 for(counter = 0; counter <= 3; counter++){ //read port 1-4 (mapped to a-d)
kbed 0:7b5e68d593c6 580 strcat(out_buf,"<th style=\" background-color:");
kbed 0:7b5e68d593c6 581 if (read_portval(ASCII_in + char(counter))){
kbed 0:7b5e68d593c6 582 strcat(out_buf,"gold");
kbed 0:7b5e68d593c6 583 }else{
kbed 0:7b5e68d593c6 584 strcat(out_buf,"lime");
kbed 0:7b5e68d593c6 585 }
kbed 0:7b5e68d593c6 586 sprintf(tempstring,"\">%i</th>",(counter+1)); //port 1-4 mapped to a-d
kbed 0:7b5e68d593c6 587 strcat(out_buf,tempstring);
kbed 0:7b5e68d593c6 588 }
kbed 0:7b5e68d593c6 589 strcat(out_buf,"</tr></table></div>");
kbed 0:7b5e68d593c6 590
kbed 0:7b5e68d593c6 591 strcat(out_buf, io_footer); //copy footer to buffer
kbed 0:7b5e68d593c6 592
kbed 0:7b5e68d593c6 593 #if defined debug
kbed 0:7b5e68d593c6 594 printf("io page html length: %i \r\n",strlen(out_buf));
kbed 0:7b5e68d593c6 595 #endif
kbed 0:7b5e68d593c6 596
kbed 0:7b5e68d593c6 597 httpd->send(id, out_buf, strlen(out_buf), "Content-Type: text/html\r\n"); //send the constructed website
kbed 0:7b5e68d593c6 598
kbed 0:7b5e68d593c6 599 }
kbed 0:7b5e68d593c6 600
kbed 0:7b5e68d593c6 601
kbed 0:7b5e68d593c6 602 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 603 * Routine: dynamic_analog_website
kbed 0:7b5e68d593c6 604 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 605 * Description:
kbed 0:7b5e68d593c6 606 * Generation and handling of the dynamic website for analog ports.
kbed 0:7b5e68d593c6 607 * Inputs:
kbed 0:7b5e68d593c6 608 * int id -- httpd web handle
kbed 0:7b5e68d593c6 609 * Outputs:
kbed 0:7b5e68d593c6 610 * "http" -- only output to web browser
kbed 0:7b5e68d593c6 611 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 612 void dynamic_analog_website(int id){
kbed 0:7b5e68d593c6 613 char out_buf[2000]; //buffer for website output
kbed 0:7b5e68d593c6 614 char query_buf[256]; //buffer to store
kbed 0:7b5e68d593c6 615 char tempstring[32]; //buffer for small string construction
kbed 0:7b5e68d593c6 616 int counter = 0; //counter variable (multiple use)
kbed 0:7b5e68d593c6 617 unsigned short analog_buf; //buffer for analog values
kbed 0:7b5e68d593c6 618
kbed 0:7b5e68d593c6 619 strcpy(query_buf, httpd->getQueryString(id)); //copy transmitted parameters to query_buf
kbed 0:7b5e68d593c6 620 strcpy(out_buf, io_header); //initialize Website output
kbed 0:7b5e68d593c6 621
kbed 0:7b5e68d593c6 622 io_webhandler_action(query_buf, strlen(query_buf)); //handle transmitted parameters stored in query_buf
kbed 0:7b5e68d593c6 623
kbed 0:7b5e68d593c6 624
kbed 0:7b5e68d593c6 625
kbed 0:7b5e68d593c6 626 strcpy(out_buf, analog_header); //initialize Website output
kbed 0:7b5e68d593c6 627
kbed 0:7b5e68d593c6 628 io_webhandler_action(query_buf, strlen(query_buf)); //handle transmitted parameters
kbed 0:7b5e68d593c6 629
kbed 0:7b5e68d593c6 630 /*create website in buffer*/
kbed 0:7b5e68d593c6 631 strcat(out_buf,"<h1>Analog input</h1><div class=\"lf\"> <div class=\"block2\"><fieldset> ");
kbed 0:7b5e68d593c6 632 strcat(out_buf, "<table class=\"form-table border-td\"><tr><th colspan=\"4\" class=\"center-align\">Analog Input</th></tr><tr class=\"center-align\"> <td>A1</td><td>A2</td><td>A3</td><td>A4</td></tr><tr class=\"center-align\">");
kbed 0:7b5e68d593c6 633
kbed 0:7b5e68d593c6 634 /*read analog ports and create text for website*/
kbed 0:7b5e68d593c6 635 for(counter = 1; counter <= 4; counter++){
kbed 0:7b5e68d593c6 636 strcat(out_buf,"<th>");
kbed 0:7b5e68d593c6 637 analog_buf = read_adc(ASCII_analog + char(counter)); //loop over all analog ports
kbed 0:7b5e68d593c6 638 sprintf(tempstring,"%hu mv</th>",analog_buf);
kbed 0:7b5e68d593c6 639 strcat(out_buf,tempstring);
kbed 0:7b5e68d593c6 640 }
kbed 0:7b5e68d593c6 641 strcat(out_buf,"</tr> </table></div>");
kbed 0:7b5e68d593c6 642
kbed 0:7b5e68d593c6 643 strcat(out_buf, io_footer); //copy footer to buffer
kbed 0:7b5e68d593c6 644
kbed 0:7b5e68d593c6 645 #if defined debug
kbed 0:7b5e68d593c6 646 printf("html length: %i \r\n",strlen(out_buf));
kbed 0:7b5e68d593c6 647 #endif
kbed 0:7b5e68d593c6 648 httpd->send(id, out_buf, strlen(out_buf), "Content-Type: text/html\r\n"); //send constructed website
kbed 0:7b5e68d593c6 649
kbed 0:7b5e68d593c6 650 }
kbed 0:7b5e68d593c6 651
kbed 0:7b5e68d593c6 652
kbed 0:7b5e68d593c6 653
kbed 0:7b5e68d593c6 654 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 655 * Routine: io_webhandler_action
kbed 0:7b5e68d593c6 656 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 657 * Description:
kbed 0:7b5e68d593c6 658 * Routine to parse and handle http "get-requests" for dynamic
kbed 0:7b5e68d593c6 659 * generated websites.
kbed 0:7b5e68d593c6 660 *
kbed 0:7b5e68d593c6 661 * eg. toggling output port 3:
kbed 0:7b5e68d593c6 662 * http://mbed.ip/dynamic/websitename.htm?p30
kbed 0:7b5e68d593c6 663 * -> set port value of port 3 to 0
kbed 0:7b5e68d593c6 664 *
kbed 0:7b5e68d593c6 665 eg. "o2" toggles output port 2
kbed 0:7b5e68d593c6 666 *
kbed 0:7b5e68d593c6 667 * Supported Variables:
kbed 0:7b5e68d593c6 668 * o = toggle output port
kbed 0:7b5e68d593c6 669 * p = set bit to value
kbed 0:7b5e68d593c6 670 *
kbed 0:7b5e68d593c6 671 * Inputs:
kbed 0:7b5e68d593c6 672 * char* query_buf -- pointer to string with http get request variables
kbed 0:7b5e68d593c6 673 * int query_buf_len -- length of request string
kbed 0:7b5e68d593c6 674 * Outputs:
kbed 0:7b5e68d593c6 675 * int -- port value (normally 0 or 1)
kbed 0:7b5e68d593c6 676 * and in case of an error "-1"
kbed 0:7b5e68d593c6 677 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 678 int io_webhandler_action(char *query_buf, int query_buf_len){
kbed 0:7b5e68d593c6 679 char io_action = 0; //variables to store parameters
kbed 0:7b5e68d593c6 680 char io_port = 0;
kbed 0:7b5e68d593c6 681 char io_value = 0;
kbed 0:7b5e68d593c6 682
kbed 0:7b5e68d593c6 683 #if defined debug
kbed 0:7b5e68d593c6 684 printf ("io_webhandler - querystring: %s string-lenth: %i\r\n", query_buf, query_buf_len);
kbed 0:7b5e68d593c6 685 #endif
kbed 0:7b5e68d593c6 686
kbed 0:7b5e68d593c6 687 if (query_buf_len >= 3){ //evaluate io-action parameters
kbed 0:7b5e68d593c6 688 sscanf(query_buf, "%c%c%c", &io_action, &io_port, &io_value); //3 or more parameters
kbed 0:7b5e68d593c6 689 }else if (query_buf_len == 2){ //2 parameters
kbed 0:7b5e68d593c6 690 sscanf(query_buf, "%c%c", &io_action, &io_port);
kbed 0:7b5e68d593c6 691 }
kbed 0:7b5e68d593c6 692
kbed 0:7b5e68d593c6 693 #if defined debug
kbed 0:7b5e68d593c6 694 printf("io_webhandler: evaluated http-params %c %c %c \r\n",io_action, io_port, io_value);
kbed 0:7b5e68d593c6 695 #endif
kbed 0:7b5e68d593c6 696
kbed 0:7b5e68d593c6 697 switch (io_action){
kbed 0:7b5e68d593c6 698 case('o'): if (io_port != 0)return toggle_port(io_port); //toggle output port
kbed 0:7b5e68d593c6 699 break;
kbed 0:7b5e68d593c6 700 case('p'): if ((io_port != 0) && (io_value != 0)){return write_portval(io_port,0);} //set output port value
kbed 0:7b5e68d593c6 701 break;
kbed 0:7b5e68d593c6 702 }
kbed 0:7b5e68d593c6 703 return -1; //return -1 if no valid action should be done
kbed 0:7b5e68d593c6 704 }
kbed 0:7b5e68d593c6 705
kbed 0:7b5e68d593c6 706
kbed 0:7b5e68d593c6 707 /* =================================================================== */
kbed 0:7b5e68d593c6 708 /* functions for hardware abstraction */
kbed 0:7b5e68d593c6 709 /* =================================================================== */
kbed 0:7b5e68d593c6 710
kbed 0:7b5e68d593c6 711
kbed 0:7b5e68d593c6 712 /* analog and digital ports are specified by ascii characters:
kbed 0:7b5e68d593c6 713 *
kbed 0:7b5e68d593c6 714 * digital input 1 = a
kbed 0:7b5e68d593c6 715 * digital input 2 = b
kbed 0:7b5e68d593c6 716 * digital input 3 = c
kbed 0:7b5e68d593c6 717 * digital input 4 = d
kbed 0:7b5e68d593c6 718 *
kbed 0:7b5e68d593c6 719 * digital output 1 = 1
kbed 0:7b5e68d593c6 720 * digital output 2 = 2
kbed 0:7b5e68d593c6 721 * digital output 3 = 3
kbed 0:7b5e68d593c6 722 * digital output 4 = 4
kbed 0:7b5e68d593c6 723 *
kbed 0:7b5e68d593c6 724 * eg. read_portval("b") reads the value of the digital input port 2
kbed 0:7b5e68d593c6 725 */
kbed 0:7b5e68d593c6 726
kbed 0:7b5e68d593c6 727
kbed 0:7b5e68d593c6 728
kbed 0:7b5e68d593c6 729 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 730 * Routine: read_portval
kbed 0:7b5e68d593c6 731 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 732 * Description:
kbed 0:7b5e68d593c6 733 * Reads a value of an io-port and returns its value. (logically correct)
kbed 0:7b5e68d593c6 734 * Inputs:
kbed 0:7b5e68d593c6 735 * char port_name -- ascii character representing the port
kbed 0:7b5e68d593c6 736 * Outputs:
kbed 0:7b5e68d593c6 737 * int -- port value (normally 0 or 1)
kbed 0:7b5e68d593c6 738 * and in case of an error "-1"
kbed 0:7b5e68d593c6 739 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 740 int read_portval(char port_name){
kbed 0:7b5e68d593c6 741 switch (port_name){
kbed 0:7b5e68d593c6 742 case (ASCII_out + 1): if(out1){ return 0;} else{ return 1;}
kbed 0:7b5e68d593c6 743 case (ASCII_out + 2): if(out2){ return 0;} else{ return 1;}
kbed 0:7b5e68d593c6 744 case (ASCII_out + 3): if(out3){ return 0;} else{ return 1;}
kbed 0:7b5e68d593c6 745 case (ASCII_out + 4): if(out4){ return 0;} else{ return 1;}
kbed 0:7b5e68d593c6 746 case (ASCII_out + 5): return relay1;
kbed 0:7b5e68d593c6 747 case (ASCII_out + 6): return led1;
kbed 0:7b5e68d593c6 748 case (ASCII_out + 7): return led2;
kbed 0:7b5e68d593c6 749 case (ASCII_out + 8): return led3;
kbed 0:7b5e68d593c6 750 case (ASCII_out + 9): return led4;
kbed 0:7b5e68d593c6 751 case (ASCII_in + 0): if(in1){ return 0;} else{ return 1;}
kbed 0:7b5e68d593c6 752 case (ASCII_in + 1): if(in2){ return 0;} else{ return 1;}
kbed 0:7b5e68d593c6 753 case (ASCII_in + 2): if(in3){ return 0;} else{ return 1;}
kbed 0:7b5e68d593c6 754 case (ASCII_in + 3): if(in4){ return 0;} else{ return 1;}
kbed 0:7b5e68d593c6 755 }
kbed 0:7b5e68d593c6 756 return -1;
kbed 0:7b5e68d593c6 757 }
kbed 0:7b5e68d593c6 758
kbed 0:7b5e68d593c6 759 //
kbed 0:7b5e68d593c6 760 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 761 * Routine: write_portval
kbed 0:7b5e68d593c6 762 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 763 * Description:
kbed 0:7b5e68d593c6 764 * Function to set output port values (handles inverted logic).
kbed 0:7b5e68d593c6 765 * Inputs:
kbed 0:7b5e68d593c6 766 * char port_name -- ascii character representing the port
kbed 0:7b5e68d593c6 767 * int port_val -- output value
kbed 0:7b5e68d593c6 768 * Outputs:
kbed 0:7b5e68d593c6 769 * int -- given port value (normally 0 or 1)
kbed 0:7b5e68d593c6 770 * and in case of an error "-1"
kbed 0:7b5e68d593c6 771 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 772 int write_portval(char port_name, int port_val){
kbed 0:7b5e68d593c6 773 if (port_val > 1) return 0; //no analog/pwm signal output yet, only 0 and 1
kbed 0:7b5e68d593c6 774
kbed 0:7b5e68d593c6 775 #if defined debug
kbed 0:7b5e68d593c6 776 printf("write Port %c Value %i \r\n",port_name, port_val);
kbed 0:7b5e68d593c6 777 #endif
kbed 0:7b5e68d593c6 778
kbed 0:7b5e68d593c6 779 switch (port_name){
kbed 0:7b5e68d593c6 780 case (ASCII_out + 1): if(port_val){ out1 = 0; return 0;} else{ out1 = 1; return 1;} //inverted output logic
kbed 0:7b5e68d593c6 781 case (ASCII_out + 2): if(port_val){ out2 = 0; return 0;} else{ out2 = 1; return 1;} //inverted output logic
kbed 0:7b5e68d593c6 782 case (ASCII_out + 3): if(port_val){ out3 = 0; return 0;} else{ out3 = 1; return 1;} //inverted output logic
kbed 0:7b5e68d593c6 783 case (ASCII_out + 4): if(port_val){ out4 = 0; return 0;} else{ out4 = 1; return 1;} //inverted output logic
kbed 0:7b5e68d593c6 784 case (ASCII_out + 5): relay1 = port_val; return relay1; //relay port
kbed 0:7b5e68d593c6 785 case (ASCII_out + 6): led1 = port_val; return led1;
kbed 0:7b5e68d593c6 786 case (ASCII_out + 7): led2 = port_val; return led2;
kbed 0:7b5e68d593c6 787 case (ASCII_out + 8): led3 = port_val; return led3;
kbed 0:7b5e68d593c6 788 case (ASCII_out + 9): led4 = port_val; return led4;
kbed 0:7b5e68d593c6 789 }
kbed 0:7b5e68d593c6 790 return -1;
kbed 0:7b5e68d593c6 791 }
kbed 0:7b5e68d593c6 792
kbed 0:7b5e68d593c6 793
kbed 0:7b5e68d593c6 794 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 795 * Routine: toggle_port
kbed 0:7b5e68d593c6 796 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 797 * Description:
kbed 0:7b5e68d593c6 798 * Function to toggle output ports.
kbed 0:7b5e68d593c6 799 * Inputs:
kbed 0:7b5e68d593c6 800 * char port_name -- ascii character representing the port
kbed 0:7b5e68d593c6 801 * Outputs:
kbed 0:7b5e68d593c6 802 * int -- new port value (normally 0 or 1)
kbed 0:7b5e68d593c6 803 * and in case of an error "-1"
kbed 0:7b5e68d593c6 804 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 805 int toggle_port(char port_name){
kbed 0:7b5e68d593c6 806 #if defined debug
kbed 0:7b5e68d593c6 807 printf("toggle Port %c \r\n",port_name);
kbed 0:7b5e68d593c6 808 #endif
kbed 0:7b5e68d593c6 809 switch (port_name){
kbed 0:7b5e68d593c6 810 case (ASCII_out + 1): out1 = !out1; return out1;
kbed 0:7b5e68d593c6 811 case (ASCII_out + 2): out2 = !out2; return out2;
kbed 0:7b5e68d593c6 812 case (ASCII_out + 3): out3 = !out3; return out3;
kbed 0:7b5e68d593c6 813 case (ASCII_out + 4): out4 = !out4; return out4;
kbed 0:7b5e68d593c6 814 case (ASCII_out + 5): relay1 = !relay1; return relay1;
kbed 0:7b5e68d593c6 815 case (ASCII_out + 6): led1 = !led1; return led1;
kbed 0:7b5e68d593c6 816 case (ASCII_out + 7): led2 = !led2; return led2;
kbed 0:7b5e68d593c6 817 case (ASCII_out + 8): led3 = !led3; return led3;
kbed 0:7b5e68d593c6 818 case (ASCII_out + 9): led4 = !led4; return led4;
kbed 0:7b5e68d593c6 819 }
kbed 0:7b5e68d593c6 820 return -1;
kbed 0:7b5e68d593c6 821 }
kbed 0:7b5e68d593c6 822
kbed 0:7b5e68d593c6 823 /*---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 824 * Routine: read_adc
kbed 0:7b5e68d593c6 825 *---------------------------------------------------------------------------*
kbed 0:7b5e68d593c6 826 * Description:
kbed 0:7b5e68d593c6 827 * Function to read the integrated adc-ports and calculate the input
kbed 0:7b5e68d593c6 828 * voltage in millivolts.
kbed 0:7b5e68d593c6 829 *
kbed 0:7b5e68d593c6 830 * Inputs:
kbed 0:7b5e68d593c6 831 * char port_name -- ascii character representing the port
kbed 0:7b5e68d593c6 832 * Outputs:
kbed 0:7b5e68d593c6 833 * unsigned short -- input voltage in milivolt
kbed 0:7b5e68d593c6 834 *---------------------------------------------------------------------------*/
kbed 0:7b5e68d593c6 835 unsigned short read_adc(char port_name){
kbed 0:7b5e68d593c6 836 unsigned int adc_tempval = 0; //32 bit buffer for analog value
kbed 0:7b5e68d593c6 837
kbed 0:7b5e68d593c6 838 /*read raw analog port value*/
kbed 0:7b5e68d593c6 839 switch (port_name){
kbed 0:7b5e68d593c6 840 case (ASCII_analog + 1): adc_tempval = ain1.read_u16();
kbed 0:7b5e68d593c6 841 break;
kbed 0:7b5e68d593c6 842 case (ASCII_analog + 2): adc_tempval = ain2.read_u16();
kbed 0:7b5e68d593c6 843 break;
kbed 0:7b5e68d593c6 844 case (ASCII_analog + 3): adc_tempval = ain3.read_u16();
kbed 0:7b5e68d593c6 845 break;
kbed 0:7b5e68d593c6 846 case (ASCII_analog + 4): adc_tempval = ain4.read_u16();
kbed 0:7b5e68d593c6 847 break;
kbed 0:7b5e68d593c6 848 default: return 0;
kbed 0:7b5e68d593c6 849 }
kbed 0:7b5e68d593c6 850
kbed 0:7b5e68d593c6 851 /* calculate the analog input voltage (input voltage is divided by 3.5):
kbed 0:7b5e68d593c6 852
kbed 0:7b5e68d593c6 853 The reference voltage of 3.3V (3300mV) is diveded into 2^16 steps.
kbed 0:7b5e68d593c6 854 Result in millivolts: Vin_mbed = (3300 * ADC_Value)/65536
kbed 0:7b5e68d593c6 855 mbedRail24v uses a voltage divider: Vin_mbedrail24v = Vin_mbed * 3,5
kbed 0:7b5e68d593c6 856 -> Vin_mbedrail= (3300 * ADC_Value * 3,5)/65536
kbed 0:7b5e68d593c6 857 an integer of 32 bit is required for the calculation, otherwise the multiplication would fail
kbed 0:7b5e68d593c6 858 */
kbed 0:7b5e68d593c6 859
kbed 0:7b5e68d593c6 860 adc_tempval *= 11550; // ADC_Value * 3300 * 3,5
kbed 0:7b5e68d593c6 861 adc_tempval /= 0xFFFF; // divide by 65536 (0xFFFF)
kbed 0:7b5e68d593c6 862
kbed 0:7b5e68d593c6 863 return (unsigned short)adc_tempval; //return the calculated value of an analog port in milivolt
kbed 0:7b5e68d593c6 864 }