Austin Blackstone / Mbed 2 deprecated murataTCPDemo

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Dependencies:   SNICInterface mbed-rtos mbed

Fork of murataDemo by Austin Blackstone

main.cpp@32:67402fe56150, 2015-04-09 (annotated)

Committer:
mbedAustin
Date:
Thu Apr 09 22:03:34 2015 +0000
Revision:
32:67402fe56150
Parent:
31:c42d189364b4 
Basic TCP Client working with murata wifi chip

Who changed what in which revision?

UserRevisionLine numberNew contents of line
kishino 21:25b85cbbdd82 1 /* Copyright (C) 2014 Murata Manufacturing Co.,Ltd., MIT License
kishino 23:39cf9f03b076 2 * muRata, SWITCH SCIENCE Wi-FI module TypeYD SNIC-UART.
kishino 21:25b85cbbdd82 3 *
kishino 21:25b85cbbdd82 4 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
kishino 21:25b85cbbdd82 5 * and associated documentation files (the "Software"), to deal in the Software without restriction,
kishino 21:25b85cbbdd82 6 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
kishino 21:25b85cbbdd82 7 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
kishino 21:25b85cbbdd82 8 * furnished to do so, subject to the following conditions:
kishino 21:25b85cbbdd82 9 *
kishino 21:25b85cbbdd82 10 * The above copyright notice and this permission notice shall be included in all copies or
kishino 21:25b85cbbdd82 11 * substantial portions of the Software.
kishino 21:25b85cbbdd82 12 *
kishino 21:25b85cbbdd82 13 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
kishino 21:25b85cbbdd82 14 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
kishino 21:25b85cbbdd82 15 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
kishino 21:25b85cbbdd82 16 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
kishino 21:25b85cbbdd82 17 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
kishino 21:25b85cbbdd82 18 */
xively 0:efdea27c3b81 19 #include "mbed.h"
kishino 14:6d58d3855feb 20 #include "SNIC_WifiInterface.h"
mbedAustin 32:67402fe56150 21 #include "TCPSocketServer.h"
xively 7:0eff5db44b8b 22
mbedAustin 28:174412ff9671 23 Serial pc(USBTX, USBRX);
xively 7:0eff5db44b8b 24
errordeveloper 10:86ffba646df1 25
mbedAustin 29:9f08c7152c7a 26 #define WIFI_SSID "demossid"
mbedAustin 29:9f08c7152c7a 27 #define WIFI_SECURITY_TYPE e_SEC_OPEN
mbedAustin 28:174412ff9671 28 #define WIFI_SECUTIRY_KEY "WPA2_PASSPHRASE"
mbedAustin 28:174412ff9671 29 #define WIFI_SECUTIRY_KEY_LEN 15
errordeveloper 11:bdf601a405fc 30
mbedAustin 29:9f08c7152c7a 31 //#define WIFI_SSID "AP_SSID"
mbedAustin 29:9f08c7152c7a 32 //#define WIFI_SECURITY_TYPE e_SEC_WPA2_AES
mbedAustin 29:9f08c7152c7a 33 //#define WIFI_SECUTIRY_KEY "WPA2_PASSPHRASE"
mbedAustin 29:9f08c7152c7a 34 //#define WIFI_SECUTIRY_KEY_LEN 15
mbedAustin 29:9f08c7152c7a 35
mbedAustin 29:9f08c7152c7a 36
mbedAustin 28:174412ff9671 37 C_SNIC_WifiInterface wifi( D1, D0, NC, NC, D3 );
kishino 17:0bf3c49a83d5 38
mbedAustin 32:67402fe56150 39 int wifiInit()
mbedAustin 30:de5a32932408 40 {
mbedAustin 29:9f08c7152c7a 41 int check = 0;
mbedAustin 28:174412ff9671 42
kishino 14:6d58d3855feb 43 // Initialize Wi-Fi interface
mbedAustin 29:9f08c7152c7a 44 check = wifi.init();
mbedAustin 29:9f08c7152c7a 45 if( check != 0 ) {
mbedAustin 28:174412ff9671 46 printf( "Wifi could not be initialized, halting.\r\n" );
kishino 14:6d58d3855feb 47 return -1;
mbedAustin 29:9f08c7152c7a 48 } else {
mbedAustin 28:174412ff9671 49 printf("wifi initialized successfully!\r\n");
mbedAustin 28:174412ff9671 50 }
kishino 19:4e2900daad59 51 wait(0.5);
mbedAustin 29:9f08c7152c7a 52
mbedAustin 28:174412ff9671 53 // good form to make sure you are disconnected from all AP's
mbedAustin 29:9f08c7152c7a 54 check = wifi.disconnect();
mbedAustin 29:9f08c7152c7a 55 if( check != 0 ) {
mbedAustin 28:174412ff9671 56 printf( "disconnect failed\r\n" );
mbedAustin 28:174412ff9671 57 return -1;
mbedAustin 29:9f08c7152c7a 58 } else {
mbedAustin 28:174412ff9671 59 printf("disconnection successful!\r\n");
mbedAustin 29:9f08c7152c7a 60 }
mbedAustin 28:174412ff9671 61 wait(0.3);
mbedAustin 29:9f08c7152c7a 62
mbedAustin 28:174412ff9671 63 // Connect AP
mbedAustin 29:9f08c7152c7a 64 check = wifi.connect( WIFI_SSID
mbedAustin 29:9f08c7152c7a 65 , strlen(WIFI_SSID)
mbedAustin 29:9f08c7152c7a 66 , WIFI_SECURITY_TYPE
mbedAustin 29:9f08c7152c7a 67 , WIFI_SECUTIRY_KEY
mbedAustin 29:9f08c7152c7a 68 , WIFI_SECUTIRY_KEY_LEN );
mbedAustin 29:9f08c7152c7a 69 if( check != 0) {
mbedAustin 29:9f08c7152c7a 70 printf("Connect Failed\r\n");
mbedAustin 29:9f08c7152c7a 71 } else {
mbedAustin 29:9f08c7152c7a 72 printf("connected successfully!\r\n");
mbedAustin 29:9f08c7152c7a 73 }
kishino 14:6d58d3855feb 74 wait(0.5);
kishino 14:6d58d3855feb 75
mbedAustin 29:9f08c7152c7a 76 // Get DHCP IP
mbedAustin 29:9f08c7152c7a 77 check = wifi.setIPConfig( true ); // get IP as DHCP IP
mbedAustin 29:9f08c7152c7a 78 if(check != 0) {
mbedAustin 29:9f08c7152c7a 79 printf("SetIPConfig failed \r\n");
mbedAustin 29:9f08c7152c7a 80 } else {
mbedAustin 29:9f08c7152c7a 81 printf("SetIPConfig successful \r\n");
mbedAustin 29:9f08c7152c7a 82 }
mbedAustin 30:de5a32932408 83
mbedAustin 30:de5a32932408 84 // check IP Address
mbedAustin 30:de5a32932408 85 char * ip ;
mbedAustin 30:de5a32932408 86 ip = wifi.getIPAddress();
mbedAustin 30:de5a32932408 87 if(ip == 0) {
mbedAustin 30:de5a32932408 88 printf("getIP failed. \r\n");
mbedAustin 30:de5a32932408 89 } else {
mbedAustin 30:de5a32932408 90 printf("getIP success: %s \r\n",ip);
mbedAustin 30:de5a32932408 91 }
mbedAustin 32:67402fe56150 92 }
mbedAustin 30:de5a32932408 93
mbedAustin 32:67402fe56150 94 //
mbedAustin 32:67402fe56150 95 // main loop
mbedAustin 32:67402fe56150 96 //
mbedAustin 32:67402fe56150 97 int main()
mbedAustin 32:67402fe56150 98 {
mbedAustin 32:67402fe56150 99
mbedAustin 32:67402fe56150 100 // Initialize Wifi
mbedAustin 32:67402fe56150 101 wifiInit();
mbedAustin 32:67402fe56150 102
mbedAustin 32:67402fe56150 103 // TCP Schenanigans!
mbedAustin 32:67402fe56150 104 const char* ECHO_SERVER_ADDRESS = "192.168.11.3";
mbedAustin 32:67402fe56150 105 const int ECHO_SERVER_PORT = 7;
mbedAustin 32:67402fe56150 106
mbedAustin 32:67402fe56150 107 // connect to server
mbedAustin 32:67402fe56150 108 TCPSocketConnection socket;
mbedAustin 32:67402fe56150 109 while (socket.connect(ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT) < 0) {
mbedAustin 32:67402fe56150 110 printf("Unable to connect to (%s) on port (%d)\n\r", ECHO_SERVER_ADDRESS, ECHO_SERVER_PORT);
mbedAustin 32:67402fe56150 111 wait(1);
mbedAustin 30:de5a32932408 112 }
mbedAustin 30:de5a32932408 113
mbedAustin 32:67402fe56150 114 // send messages back and forth as long as we are connected
mbedAustin 32:67402fe56150 115 int x = 0;
mbedAustin 32:67402fe56150 116 while(socket.is_connected()) {
mbedAustin 32:67402fe56150 117 // Setup & send message to server
mbedAustin 32:67402fe56150 118 char message[64] = {};
mbedAustin 32:67402fe56150 119 sprintf(message,"%s%d","HelloFromMicrocontroller: ",x++);
mbedAustin 32:67402fe56150 120 socket.send_all(message, sizeof(message) - 1);
mbedAustin 30:de5a32932408 121
mbedAustin 32:67402fe56150 122 // Receive & print message from server
mbedAustin 32:67402fe56150 123 char buf[256];
mbedAustin 32:67402fe56150 124 int n = socket.receive_all(buf, 256);
mbedAustin 32:67402fe56150 125 buf[n] = '\0';
mbedAustin 32:67402fe56150 126 printf("TCP data from server: '%s'", buf);
mbedAustin 32:67402fe56150 127
mbedAustin 32:67402fe56150 128 // not needed, here to slow the data down so you can see it whip past.
mbedAustin 32:67402fe56150 129 wait(0.5);
mbedAustin 30:de5a32932408 130 }
mbedAustin 30:de5a32932408 131
mbedAustin 32:67402fe56150 132 socket.close();
mbedAustin 32:67402fe56150 133 wifi.disconnect();
mbedAustin 28:174412ff9671 134
mbedAustin 32:67402fe56150 135 while(true) {}
mbedAustin 32:67402fe56150 136
Ilya Dmitrichenko 6:9e4f4a8c1829 137 }