mbed school / Mbed 2 deprecated ch8_mbed_websocket_client

ch8_mbed_websocket_client to sockets.mbed.org

Dependencies:   EthernetInterface HTTPD WebSocketClient mbed-rpc mbed-rtos-for-old mbed

main.cpp@0:a24e2b2f8c8f, 2015-02-04 (annotated)

Committer:
mbedschool
Date:
Wed Feb 04 03:42:54 2015 +0000
Revision:
0:a24e2b2f8c8f
ch8_mbed)websocket_client_to_sockets_mbed_org

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbedschool 0:a24e2b2f8c8f 1 #include "mbed.h"
mbedschool 0:a24e2b2f8c8f 2 #include "EthernetInterface.h"
mbedschool 0:a24e2b2f8c8f 3 #include "HTTPD.h"
mbedschool 0:a24e2b2f8c8f 4 #include "Websocket.h"
mbedschool 0:a24e2b2f8c8f 5
mbedschool 0:a24e2b2f8c8f 6
mbedschool 0:a24e2b2f8c8f 7
mbedschool 0:a24e2b2f8c8f 8 EthernetInterface *eth;
mbedschool 0:a24e2b2f8c8f 9 HTTPD *httpd;
mbedschool 0:a24e2b2f8c8f 10
mbedschool 0:a24e2b2f8c8f 11
mbedschool 0:a24e2b2f8c8f 12 Serial pc(USBTX, USBRX);
mbedschool 0:a24e2b2f8c8f 13 InterruptIn probe(p8);
mbedschool 0:a24e2b2f8c8f 14 LocalFileSystem local("local");
mbedschool 0:a24e2b2f8c8f 15 DigitalOut led1(LED1), led2(LED2),led3(LED3);
mbedschool 0:a24e2b2f8c8f 16 Timer timer;
mbedschool 0:a24e2b2f8c8f 17 Ticker ticker;
mbedschool 0:a24e2b2f8c8f 18
mbedschool 0:a24e2b2f8c8f 19 uint32_t low_time = 0;
mbedschool 0:a24e2b2f8c8f 20 //uint32_t low_time = 0;
mbedschool 0:a24e2b2f8c8f 21
mbedschool 0:a24e2b2f8c8f 22 void down();
mbedschool 0:a24e2b2f8c8f 23 void up();
mbedschool 0:a24e2b2f8c8f 24
mbedschool 0:a24e2b2f8c8f 25 void tick()
mbedschool 0:a24e2b2f8c8f 26 {
mbedschool 0:a24e2b2f8c8f 27 pc.printf("%d us, %f %%\r\n", low_time, low_time / (30.0 * 1000000));
mbedschool 0:a24e2b2f8c8f 28 low_time = 0;
mbedschool 0:a24e2b2f8c8f 29
mbedschool 0:a24e2b2f8c8f 30 }
mbedschool 0:a24e2b2f8c8f 31
mbedschool 0:a24e2b2f8c8f 32 void down()
mbedschool 0:a24e2b2f8c8f 33 {
mbedschool 0:a24e2b2f8c8f 34 probe.rise(&up);
mbedschool 0:a24e2b2f8c8f 35 led1 = 0;
mbedschool 0:a24e2b2f8c8f 36 timer.start();
mbedschool 0:a24e2b2f8c8f 37 }
mbedschool 0:a24e2b2f8c8f 38
mbedschool 0:a24e2b2f8c8f 39 void up()
mbedschool 0:a24e2b2f8c8f 40 {
mbedschool 0:a24e2b2f8c8f 41 led1 = 1;
mbedschool 0:a24e2b2f8c8f 42 timer.stop();
mbedschool 0:a24e2b2f8c8f 43 probe.fall(&down);
mbedschool 0:a24e2b2f8c8f 44
mbedschool 0:a24e2b2f8c8f 45 low_time += timer.read_us();
mbedschool 0:a24e2b2f8c8f 46 timer.reset();
mbedschool 0:a24e2b2f8c8f 47 }
mbedschool 0:a24e2b2f8c8f 48
mbedschool 0:a24e2b2f8c8f 49 void callback_api(int id) {
mbedschool 0:a24e2b2f8c8f 50 int i, n;
mbedschool 0:a24e2b2f8c8f 51 char low_time_buf[256];
mbedschool 0:a24e2b2f8c8f 52 char buf[256];
mbedschool 0:a24e2b2f8c8f 53
mbedschool 0:a24e2b2f8c8f 54 sprintf( low_time_buf, "%f", low_time / (30.0 * 1000000));
mbedschool 0:a24e2b2f8c8f 55 strcpy(buf, "{");
mbedschool 0:a24e2b2f8c8f 56 strcat(buf, "success: true ,");
mbedschool 0:a24e2b2f8c8f 57 strcat(buf, "data: {");
mbedschool 0:a24e2b2f8c8f 58 strcat(buf, "lowpulseoccupancytime: ");
mbedschool 0:a24e2b2f8c8f 59 strcat(buf, low_time_buf);
mbedschool 0:a24e2b2f8c8f 60 strcat(buf, "}");
mbedschool 0:a24e2b2f8c8f 61 strcat(buf, "}");
mbedschool 0:a24e2b2f8c8f 62
mbedschool 0:a24e2b2f8c8f 63 n = strlen(buf);
mbedschool 0:a24e2b2f8c8f 64 i = httpd->receive(id, &buf[n], sizeof(buf) - n);
mbedschool 0:a24e2b2f8c8f 65 if (i < 0) return;
mbedschool 0:a24e2b2f8c8f 66 i += n;
mbedschool 0:a24e2b2f8c8f 67 buf[i] = 0;
mbedschool 0:a24e2b2f8c8f 68 printf("API %d %s\r\n", id, buf);
mbedschool 0:a24e2b2f8c8f 69 httpd->send(id, buf, i, "Content-Type: text/plain\r\n");
mbedschool 0:a24e2b2f8c8f 70 }
mbedschool 0:a24e2b2f8c8f 71
mbedschool 0:a24e2b2f8c8f 72 int main() {
mbedschool 0:a24e2b2f8c8f 73 pc.baud(115200);
mbedschool 0:a24e2b2f8c8f 74 pc.printf("Dust Sensor test\r\n");
mbedschool 0:a24e2b2f8c8f 75 probe.fall(&down);
mbedschool 0:a24e2b2f8c8f 76 ticker.attach(tick, 30);
mbedschool 0:a24e2b2f8c8f 77
mbedschool 0:a24e2b2f8c8f 78 printf("HTTP Server...\r\n");
mbedschool 0:a24e2b2f8c8f 79
mbedschool 0:a24e2b2f8c8f 80 eth = new EthernetInterface;
mbedschool 0:a24e2b2f8c8f 81 eth->init("192.168.21.23", "255.255.255.0", "192.168.21.2" );
mbedschool 0:a24e2b2f8c8f 82 // eth->init();
mbedschool 0:a24e2b2f8c8f 83
mbedschool 0:a24e2b2f8c8f 84 if (eth->connect()) return -1;
mbedschool 0:a24e2b2f8c8f 85 led3 = 1;
mbedschool 0:a24e2b2f8c8f 86
mbedschool 0:a24e2b2f8c8f 87
mbedschool 0:a24e2b2f8c8f 88 printf("Connected to websocket server. \r\n");
mbedschool 0:a24e2b2f8c8f 89
mbedschool 0:a24e2b2f8c8f 90
mbedschool 0:a24e2b2f8c8f 91 printf("IP Address is %s\r\n", eth->getIPAddress());
mbedschool 0:a24e2b2f8c8f 92 httpd = new HTTPD;
mbedschool 0:a24e2b2f8c8f 93 httpd->attach("/1/mbed/lpc1768/sensor/dust/sen12291p", &callback_api);
mbedschool 0:a24e2b2f8c8f 94 httpd->attach("/", "/local/");
mbedschool 0:a24e2b2f8c8f 95 httpd->start(80);
mbedschool 0:a24e2b2f8c8f 96 printf("httpd ready\r\n");
mbedschool 0:a24e2b2f8c8f 97 led2 = 1;
mbedschool 0:a24e2b2f8c8f 98
mbedschool 0:a24e2b2f8c8f 99 Websocket ws("ws://sockets.mbed.org/ws/mbedschool/viewer");
mbedschool 0:a24e2b2f8c8f 100 // Websocket ws("ws://192.168.21.123:8888");
mbedschool 0:a24e2b2f8c8f 101
mbedschool 0:a24e2b2f8c8f 102 while (!ws.connect());
mbedschool 0:a24e2b2f8c8f 103 // ws.send("echo-protocol");
mbedschool 0:a24e2b2f8c8f 104 while (1) {
mbedschool 0:a24e2b2f8c8f 105
mbedschool 0:a24e2b2f8c8f 106 char low_time_buf[256];
mbedschool 0:a24e2b2f8c8f 107 char buf[256];
mbedschool 0:a24e2b2f8c8f 108 sprintf( low_time_buf, "%f", low_time / (30.0 * 1000000));
mbedschool 0:a24e2b2f8c8f 109
mbedschool 0:a24e2b2f8c8f 110 strcpy(buf, "{");
mbedschool 0:a24e2b2f8c8f 111 strcat(buf, "\"lowpulseoccupancytime\":");
mbedschool 0:a24e2b2f8c8f 112 strcat(buf, low_time_buf);
mbedschool 0:a24e2b2f8c8f 113 strcat(buf, "}");
mbedschool 0:a24e2b2f8c8f 114 ws.send(buf);
mbedschool 0:a24e2b2f8c8f 115
mbedschool 0:a24e2b2f8c8f 116
mbedschool 0:a24e2b2f8c8f 117 wait(1.0);
mbedschool 0:a24e2b2f8c8f 118 }
mbedschool 0:a24e2b2f8c8f 119
mbedschool 0:a24e2b2f8c8f 120 }