Switch Science / Mbed 2 deprecated LM75B_IFTTT_mbedLPC1114FN28

温度センサLM75BとWi-FiモジュールESP-WROOM-02をmbed LPC1114FN28に繋げて、温度をIFTTTのMaker Channelに出力するプログラム

Dependencies:   LM75B mbed

ESP8266InterfaceTiny/Socket/TCPSocketConnection.cpp@0:53a512d5a7ba, 2016-05-15 (annotated)

Committer:
jksoft
Date:
Sun May 15 11:47:02 2016 +0000
Revision:
0:53a512d5a7ba
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Who changed what in which revision?

UserRevisionLine numberNew contents of line
jksoft 0:53a512d5a7ba 1 /* Copyright (C) 2012 mbed.org, MIT License
jksoft 0:53a512d5a7ba 2 *
jksoft 0:53a512d5a7ba 3 * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
jksoft 0:53a512d5a7ba 4 * and associated documentation files (the "Software"), to deal in the Software without restriction,
jksoft 0:53a512d5a7ba 5 * including without limitation the rights to use, copy, modify, merge, publish, distribute,
jksoft 0:53a512d5a7ba 6 * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
jksoft 0:53a512d5a7ba 7 * furnished to do so, subject to the following conditions:
jksoft 0:53a512d5a7ba 8 *
jksoft 0:53a512d5a7ba 9 * The above copyright notice and this permission notice shall be included in all copies or
jksoft 0:53a512d5a7ba 10 * substantial portions of the Software.
jksoft 0:53a512d5a7ba 11 *
jksoft 0:53a512d5a7ba 12 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
jksoft 0:53a512d5a7ba 13 * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
jksoft 0:53a512d5a7ba 14 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
jksoft 0:53a512d5a7ba 15 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
jksoft 0:53a512d5a7ba 16 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
jksoft 0:53a512d5a7ba 17 */
jksoft 0:53a512d5a7ba 18 #include "TCPSocketConnection.h"
jksoft 0:53a512d5a7ba 19 #include <cstring>
jksoft 0:53a512d5a7ba 20 #include <algorithm>
jksoft 0:53a512d5a7ba 21
jksoft 0:53a512d5a7ba 22 using std::memset;
jksoft 0:53a512d5a7ba 23 using std::memcpy;
jksoft 0:53a512d5a7ba 24
jksoft 0:53a512d5a7ba 25 //Debug is disabled by default
jksoft 0:53a512d5a7ba 26 #if 1
jksoft 0:53a512d5a7ba 27 #define DBG(x, ...) printf("[TCPConnection : DBG]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:53a512d5a7ba 28 #define WARN(x, ...) printf("[TCPConnection: WARN]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:53a512d5a7ba 29 #define ERR(x, ...) printf("[TCPConnection : ERR]"x" \t[%s,%d]\r\n", ##__VA_ARGS__,__FILE__,__LINE__);
jksoft 0:53a512d5a7ba 30 #else
jksoft 0:53a512d5a7ba 31 #define DBG(x, ...)
jksoft 0:53a512d5a7ba 32 #define WARN(x, ...)
jksoft 0:53a512d5a7ba 33 #define ERR(x, ...)
jksoft 0:53a512d5a7ba 34 #endif
jksoft 0:53a512d5a7ba 35
jksoft 0:53a512d5a7ba 36 TCPSocketConnection::TCPSocketConnection() :
jksoft 0:53a512d5a7ba 37 _is_connected(false)
jksoft 0:53a512d5a7ba 38 {
jksoft 0:53a512d5a7ba 39 }
jksoft 0:53a512d5a7ba 40
jksoft 0:53a512d5a7ba 41 int TCPSocketConnection::connect(const char* host, const int port)
jksoft 0:53a512d5a7ba 42 {
jksoft 0:53a512d5a7ba 43 // if (init_socket(SOCK_STREAM) < 0)
jksoft 0:53a512d5a7ba 44 // return -1;
jksoft 0:53a512d5a7ba 45 //
jksoft 0:53a512d5a7ba 46 if (set_address(host, port) != 0)
jksoft 0:53a512d5a7ba 47 return -1;
jksoft 0:53a512d5a7ba 48 //
jksoft 0:53a512d5a7ba 49 // if (lwip_connect(_sock_fd, (const struct sockaddr *) &_remoteHost, sizeof(_remoteHost)) < 0) {
jksoft 0:53a512d5a7ba 50 // close();
jksoft 0:53a512d5a7ba 51 // return -1;
jksoft 0:53a512d5a7ba 52 // }
jksoft 0:53a512d5a7ba 53 // _is_connected = true;
jksoft 0:53a512d5a7ba 54
jksoft 0:53a512d5a7ba 55 _is_connected = ESP8266->start(ESP_TCP_TYPE,_ipAddress,_port);
jksoft 0:53a512d5a7ba 56 if(_is_connected) { //success
jksoft 0:53a512d5a7ba 57 return 0;
jksoft 0:53a512d5a7ba 58 } else { // fail
jksoft 0:53a512d5a7ba 59 return -1;
jksoft 0:53a512d5a7ba 60 }
jksoft 0:53a512d5a7ba 61 }
jksoft 0:53a512d5a7ba 62
jksoft 0:53a512d5a7ba 63 bool TCPSocketConnection::is_connected(void)
jksoft 0:53a512d5a7ba 64 {
jksoft 0:53a512d5a7ba 65 return _is_connected;
jksoft 0:53a512d5a7ba 66 }
jksoft 0:53a512d5a7ba 67
jksoft 0:53a512d5a7ba 68 int TCPSocketConnection::send(char* data, int length)
jksoft 0:53a512d5a7ba 69 {
jksoft 0:53a512d5a7ba 70 if (!_is_connected) {
jksoft 0:53a512d5a7ba 71 ERR("TCPSocketConnection::receive() - _is_connected is false : you cant receive data until you connect to a socket!");
jksoft 0:53a512d5a7ba 72 return -1;
jksoft 0:53a512d5a7ba 73 }
jksoft 0:53a512d5a7ba 74 Timer tmr;
jksoft 0:53a512d5a7ba 75 int idx = 0;
jksoft 0:53a512d5a7ba 76 tmr.start();
jksoft 0:53a512d5a7ba 77 while ((tmr.read_ms() < _timeout) || _blocking) {
jksoft 0:53a512d5a7ba 78
jksoft 0:53a512d5a7ba 79 idx += wifi->send(data, length);
jksoft 0:53a512d5a7ba 80
jksoft 0:53a512d5a7ba 81 if (idx == length)
jksoft 0:53a512d5a7ba 82 return idx;
jksoft 0:53a512d5a7ba 83 }
jksoft 0:53a512d5a7ba 84 return (idx == 0) ? -1 : idx;
jksoft 0:53a512d5a7ba 85
jksoft 0:53a512d5a7ba 86 //return wifi->send(data,length);
jksoft 0:53a512d5a7ba 87 //
jksoft 0:53a512d5a7ba 88 // if (!_blocking) {
jksoft 0:53a512d5a7ba 89 // TimeInterval timeout(_timeout);
jksoft 0:53a512d5a7ba 90 // if (wait_writable(timeout) != 0)
jksoft 0:53a512d5a7ba 91 // return -1;
jksoft 0:53a512d5a7ba 92 // }
jksoft 0:53a512d5a7ba 93 //
jksoft 0:53a512d5a7ba 94 // int n = lwip_send(_sock_fd, data, length, 0);
jksoft 0:53a512d5a7ba 95 // _is_connected = (n != 0);
jksoft 0:53a512d5a7ba 96 //
jksoft 0:53a512d5a7ba 97 // return n;
jksoft 0:53a512d5a7ba 98
jksoft 0:53a512d5a7ba 99 }
jksoft 0:53a512d5a7ba 100
jksoft 0:53a512d5a7ba 101 // -1 if unsuccessful, else number of bytes written
jksoft 0:53a512d5a7ba 102 int TCPSocketConnection::send_all(char* data, int length)
jksoft 0:53a512d5a7ba 103 {
jksoft 0:53a512d5a7ba 104 // if ((_sock_fd < 0) || !_is_connected)
jksoft 0:53a512d5a7ba 105 // return -1;
jksoft 0:53a512d5a7ba 106 //
jksoft 0:53a512d5a7ba 107 // int writtenLen = 0;
jksoft 0:53a512d5a7ba 108 // TimeInterval timeout(_timeout);
jksoft 0:53a512d5a7ba 109 // while (writtenLen < length) {
jksoft 0:53a512d5a7ba 110 // if (!_blocking) {
jksoft 0:53a512d5a7ba 111 // // Wait for socket to be writeable
jksoft 0:53a512d5a7ba 112 // if (wait_writable(timeout) != 0)
jksoft 0:53a512d5a7ba 113 // return writtenLen;
jksoft 0:53a512d5a7ba 114 // }
jksoft 0:53a512d5a7ba 115 //
jksoft 0:53a512d5a7ba 116 // int ret = lwip_send(_sock_fd, data + writtenLen, length - writtenLen, 0);
jksoft 0:53a512d5a7ba 117 // if (ret > 0) {
jksoft 0:53a512d5a7ba 118 // writtenLen += ret;
jksoft 0:53a512d5a7ba 119 // continue;
jksoft 0:53a512d5a7ba 120 // } else if (ret == 0) {
jksoft 0:53a512d5a7ba 121 // _is_connected = false;
jksoft 0:53a512d5a7ba 122 // return writtenLen;
jksoft 0:53a512d5a7ba 123 // } else {
jksoft 0:53a512d5a7ba 124 // return -1; //Connnection error
jksoft 0:53a512d5a7ba 125 // }
jksoft 0:53a512d5a7ba 126 // }
jksoft 0:53a512d5a7ba 127 // return writtenLen;
jksoft 0:53a512d5a7ba 128 return send(data,length); // just remap to send
jksoft 0:53a512d5a7ba 129 }
jksoft 0:53a512d5a7ba 130
jksoft 0:53a512d5a7ba 131 int TCPSocketConnection::receive(char* buffer, int length)
jksoft 0:53a512d5a7ba 132 {
jksoft 0:53a512d5a7ba 133 if (!_is_connected) {
jksoft 0:53a512d5a7ba 134 ERR("TCPSocketConnection::receive() - _is_connected is false : you cant receive data until you connect to a socket!");
jksoft 0:53a512d5a7ba 135 return -1;
jksoft 0:53a512d5a7ba 136 }
jksoft 0:53a512d5a7ba 137 Timer tmr;
jksoft 0:53a512d5a7ba 138 int idx = 0;
jksoft 0:53a512d5a7ba 139 int nb_available = 0;
jksoft 0:53a512d5a7ba 140 int time = -1;
jksoft 0:53a512d5a7ba 141
jksoft 0:53a512d5a7ba 142 //make this the non-blocking case and return if <= 0
jksoft 0:53a512d5a7ba 143 // remember to change the config to blocking
jksoft 0:53a512d5a7ba 144 // if ( ! _blocking) {
jksoft 0:53a512d5a7ba 145 // if ( wifi.readable <= 0 ) {
jksoft 0:53a512d5a7ba 146 // return (wifi.readable);
jksoft 0:53a512d5a7ba 147 // }
jksoft 0:53a512d5a7ba 148 // }
jksoft 0:53a512d5a7ba 149 //---
jksoft 0:53a512d5a7ba 150 tmr.start();
jksoft 0:53a512d5a7ba 151 if (_blocking) {
jksoft 0:53a512d5a7ba 152 while (1) {
jksoft 0:53a512d5a7ba 153 nb_available = wifi->readable();
jksoft 0:53a512d5a7ba 154 if (nb_available != 0) {
jksoft 0:53a512d5a7ba 155 break;
jksoft 0:53a512d5a7ba 156 }
jksoft 0:53a512d5a7ba 157 }
jksoft 0:53a512d5a7ba 158 }
jksoft 0:53a512d5a7ba 159 //---
jksoft 0:53a512d5a7ba 160 // blocking case
jksoft 0:53a512d5a7ba 161 else {
jksoft 0:53a512d5a7ba 162 tmr.reset();
jksoft 0:53a512d5a7ba 163
jksoft 0:53a512d5a7ba 164 while (time < _timeout) {
jksoft 0:53a512d5a7ba 165 nb_available = wifi->readable();
jksoft 0:53a512d5a7ba 166 if (nb_available < 0) return nb_available;
jksoft 0:53a512d5a7ba 167 if (nb_available > 0) break ;
jksoft 0:53a512d5a7ba 168 time = tmr.read_ms();
jksoft 0:53a512d5a7ba 169 }
jksoft 0:53a512d5a7ba 170
jksoft 0:53a512d5a7ba 171 if (nb_available == 0) return nb_available;
jksoft 0:53a512d5a7ba 172 }
jksoft 0:53a512d5a7ba 173
jksoft 0:53a512d5a7ba 174 // change this to < 20 mS timeout per byte to detect end of packet gap
jksoft 0:53a512d5a7ba 175 // this may not work due to buffering at the UART interface
jksoft 0:53a512d5a7ba 176 tmr.reset();
jksoft 0:53a512d5a7ba 177 // while ( tmr.read_ms() < 20 ) {
jksoft 0:53a512d5a7ba 178 // if ( wifi.readable() && (idx < length) ) {
jksoft 0:53a512d5a7ba 179 // buffer[idx++] = wifi->getc();
jksoft 0:53a512d5a7ba 180 // tmr.reset();
jksoft 0:53a512d5a7ba 181 // }
jksoft 0:53a512d5a7ba 182 // if ( idx == length ) {
jksoft 0:53a512d5a7ba 183 // break;
jksoft 0:53a512d5a7ba 184 // }
jksoft 0:53a512d5a7ba 185 // }
jksoft 0:53a512d5a7ba 186 //---
jksoft 0:53a512d5a7ba 187 while (time < _timeout) {
jksoft 0:53a512d5a7ba 188
jksoft 0:53a512d5a7ba 189 nb_available = wifi->readable();
jksoft 0:53a512d5a7ba 190 //for (int i = 0; i < min(nb_available, length); i++) {
jksoft 0:53a512d5a7ba 191 for (int i = 0; i < min(nb_available, (length-idx)); i++) {
jksoft 0:53a512d5a7ba 192 buffer[idx] = wifi->getc();
jksoft 0:53a512d5a7ba 193 idx++;
jksoft 0:53a512d5a7ba 194 }
jksoft 0:53a512d5a7ba 195 if (idx == length) {
jksoft 0:53a512d5a7ba 196 break;
jksoft 0:53a512d5a7ba 197 }
jksoft 0:53a512d5a7ba 198 time = tmr.read_ms();
jksoft 0:53a512d5a7ba 199 }
jksoft 0:53a512d5a7ba 200 //---
jksoft 0:53a512d5a7ba 201 return (idx == 0) ? -1 : idx;
jksoft 0:53a512d5a7ba 202
jksoft 0:53a512d5a7ba 203 //************************ original code below
jksoft 0:53a512d5a7ba 204 //
jksoft 0:53a512d5a7ba 205 // if (!_blocking) {
jksoft 0:53a512d5a7ba 206 // TimeInterval timeout(_timeout);
jksoft 0:53a512d5a7ba 207 // if (wait_readable(timeout) != 0)
jksoft 0:53a512d5a7ba 208 // return -1;
jksoft 0:53a512d5a7ba 209 // }
jksoft 0:53a512d5a7ba 210 //
jksoft 0:53a512d5a7ba 211 // int n = lwip_recv(_sock_fd, data, length, 0);
jksoft 0:53a512d5a7ba 212 // _is_connected = (n != 0);
jksoft 0:53a512d5a7ba 213 //
jksoft 0:53a512d5a7ba 214 // return n;
jksoft 0:53a512d5a7ba 215
jksoft 0:53a512d5a7ba 216 }
jksoft 0:53a512d5a7ba 217
jksoft 0:53a512d5a7ba 218 // -1 if unsuccessful, else number of bytes received
jksoft 0:53a512d5a7ba 219 int TCPSocketConnection::receive_all(char* data, int length)
jksoft 0:53a512d5a7ba 220 {
jksoft 0:53a512d5a7ba 221 //ERR("receive_all() not yet implimented");
jksoft 0:53a512d5a7ba 222 // if ((_sock_fd < 0) || !_is_connected)
jksoft 0:53a512d5a7ba 223 // return -1;
jksoft 0:53a512d5a7ba 224 //
jksoft 0:53a512d5a7ba 225 // int readLen = 0;
jksoft 0:53a512d5a7ba 226 // TimeInterval timeout(_timeout);
jksoft 0:53a512d5a7ba 227 // while (readLen < length) {
jksoft 0:53a512d5a7ba 228 // if (!_blocking) {
jksoft 0:53a512d5a7ba 229 // //Wait for socket to be readable
jksoft 0:53a512d5a7ba 230 // if (wait_readable(timeout) != 0)
jksoft 0:53a512d5a7ba 231 // return readLen;
jksoft 0:53a512d5a7ba 232 // }
jksoft 0:53a512d5a7ba 233 //
jksoft 0:53a512d5a7ba 234 // int ret = lwip_recv(_sock_fd, data + readLen, length - readLen, 0);
jksoft 0:53a512d5a7ba 235 // if (ret > 0) {
jksoft 0:53a512d5a7ba 236 // readLen += ret;
jksoft 0:53a512d5a7ba 237 // } else if (ret == 0) {
jksoft 0:53a512d5a7ba 238 // _is_connected = false;
jksoft 0:53a512d5a7ba 239 // return readLen;
jksoft 0:53a512d5a7ba 240 // } else {
jksoft 0:53a512d5a7ba 241 // return -1; //Connnection error
jksoft 0:53a512d5a7ba 242 // }
jksoft 0:53a512d5a7ba 243 // }
jksoft 0:53a512d5a7ba 244 // return readLen;
jksoft 0:53a512d5a7ba 245 receive(data,length);
jksoft 0:53a512d5a7ba 246 }