works through pushing box to log data to google spreadsheet
Dependencies: MBed_Adafruit-GPS-Library SDFileSystem mbed
Fork of GPR_Interface by
GPRS/GPRS.cpp@10:8c55dfcc9a7c, 2015-09-25 (annotated)
- Committer:
- noahmilam
- Date:
- Fri Sep 25 04:10:56 2015 +0000
- Revision:
- 10:8c55dfcc9a7c
- Parent:
- 8:180feb3ebe62
- Child:
- 11:045cb766d9a5
ff
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
lawliet | 0:8ccbd963e74d | 1 | /* |
lawliet | 0:8ccbd963e74d | 2 | GPRS.cpp |
lawliet | 0:8ccbd963e74d | 3 | 2014 Copyright (c) Seeed Technology Inc. All right reserved. |
lawliet | 0:8ccbd963e74d | 4 | |
lawliet | 0:8ccbd963e74d | 5 | Author:lawliet zou(lawliet.zou@gmail.com) |
lawliet | 0:8ccbd963e74d | 6 | 2014-2-24 |
lawliet | 0:8ccbd963e74d | 7 | |
lawliet | 0:8ccbd963e74d | 8 | This library is free software; you can redistribute it and/or |
lawliet | 0:8ccbd963e74d | 9 | modify it under the terms of the GNU Lesser General Public |
lawliet | 0:8ccbd963e74d | 10 | License as published by the Free Software Foundation; either |
lawliet | 0:8ccbd963e74d | 11 | version 2.1 of the License, or (at your option) any later version. |
lawliet | 0:8ccbd963e74d | 12 | |
lawliet | 0:8ccbd963e74d | 13 | This library is distributed in the hope that it will be useful, |
lawliet | 0:8ccbd963e74d | 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
lawliet | 0:8ccbd963e74d | 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
lawliet | 0:8ccbd963e74d | 16 | Lesser General Public License for more details. |
lawliet | 0:8ccbd963e74d | 17 | |
lawliet | 0:8ccbd963e74d | 18 | You should have received a copy of the GNU Lesser General Public |
lawliet | 0:8ccbd963e74d | 19 | License along with this library; if not, write to the Free Software |
lawliet | 0:8ccbd963e74d | 20 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
lawliet | 0:8ccbd963e74d | 21 | */ |
lawliet | 0:8ccbd963e74d | 22 | |
lawliet | 0:8ccbd963e74d | 23 | #include "mbed.h" |
lawliet | 0:8ccbd963e74d | 24 | #include "GPRS.h" |
lawliet | 0:8ccbd963e74d | 25 | |
lawliet | 0:8ccbd963e74d | 26 | GPRS* GPRS::inst; |
lawliet | 0:8ccbd963e74d | 27 | |
lawliet | 0:8ccbd963e74d | 28 | GPRS::GPRS(PinName tx, PinName rx, int baudRate, const char* apn, const char* userName, const char* passWord) : Modem(tx,rx,baudRate) |
lawliet | 0:8ccbd963e74d | 29 | { |
lawliet | 0:8ccbd963e74d | 30 | inst = this; |
lawliet | 0:8ccbd963e74d | 31 | _apn = apn; |
lawliet | 0:8ccbd963e74d | 32 | _userName = userName; |
lawliet | 0:8ccbd963e74d | 33 | _passWord = passWord; |
lawliet | 0:8ccbd963e74d | 34 | socketID = -1; |
lawliet | 0:8ccbd963e74d | 35 | } |
lawliet | 0:8ccbd963e74d | 36 | |
lawliet | 0:8ccbd963e74d | 37 | bool GPRS::preInit() |
lawliet | 0:8ccbd963e74d | 38 | { |
lawliet | 0:8ccbd963e74d | 39 | for(int i = 0; i < 2; i++) { |
lawliet | 0:8ccbd963e74d | 40 | sendCmd("AT\r\n"); |
lawliet | 0:8ccbd963e74d | 41 | wait(1); |
lawliet | 0:8ccbd963e74d | 42 | } |
lawliet | 0:8ccbd963e74d | 43 | return checkSIMStatus(); |
lawliet | 0:8ccbd963e74d | 44 | } |
noahmilam | 10:8c55dfcc9a7c | 45 | // added by Noah Milam |
noahmilam | 10:8c55dfcc9a7c | 46 | void GPRS::start_server() |
noahmilam | 10:8c55dfcc9a7c | 47 | { |
noahmilam | 10:8c55dfcc9a7c | 48 | sendCmdResp("AT+CGATT?\r\n"); |
noahmilam | 10:8c55dfcc9a7c | 49 | |
noahmilam | 10:8c55dfcc9a7c | 50 | sendCmdResp("AT+CIPSERVER=1,8080\r\n"); |
noahmilam | 10:8c55dfcc9a7c | 51 | listen_server(); |
noahmilam | 10:8c55dfcc9a7c | 52 | } |
noahmilam | 10:8c55dfcc9a7c | 53 | void GPRS::listen_server() |
noahmilam | 10:8c55dfcc9a7c | 54 | { |
noahmilam | 10:8c55dfcc9a7c | 55 | gprs_response(); |
noahmilam | 10:8c55dfcc9a7c | 56 | } |
noahmilam | 10:8c55dfcc9a7c | 57 | |
noahmilam | 10:8c55dfcc9a7c | 58 | void GPRS::send_SMS(char* IPAdress) |
noahmilam | 10:8c55dfcc9a7c | 59 | { |
noahmilam | 10:8c55dfcc9a7c | 60 | printf("sending at command\n"); |
noahmilam | 10:8c55dfcc9a7c | 61 | sendCmdAndWaitForResp("AT+CMGF=1\r\n","OK",DEFAULT_TIMEOUT,CMD); |
noahmilam | 10:8c55dfcc9a7c | 62 | wait(2); |
noahmilam | 10:8c55dfcc9a7c | 63 | //printf("\032\n"); |
noahmilam | 10:8c55dfcc9a7c | 64 | sendCmdAndWaitForResp("AT+CMGS=\"+18183977481\"\r\n",">",DEFAULT_TIMEOUT,CMD); |
noahmilam | 10:8c55dfcc9a7c | 65 | printf("sent at cmgf\n"); |
noahmilam | 10:8c55dfcc9a7c | 66 | wait(2); |
noahmilam | 10:8c55dfcc9a7c | 67 | //printf("032"); |
noahmilam | 10:8c55dfcc9a7c | 68 | sendCmd(IPAdress); // sends the address |
noahmilam | 10:8c55dfcc9a7c | 69 | sendCmd("\x1a"); // this is like pressing control - z to end the send command |
noahmilam | 10:8c55dfcc9a7c | 70 | wait(10); // giving the send enough time to do its thing |
noahmilam | 10:8c55dfcc9a7c | 71 | printf("should have been received"); |
noahmilam | 10:8c55dfcc9a7c | 72 | } |
lawliet | 0:8ccbd963e74d | 73 | |
noahmilam | 10:8c55dfcc9a7c | 74 | char* GPRS::read_SMS() |
noahmilam | 10:8c55dfcc9a7c | 75 | { |
noahmilam | 10:8c55dfcc9a7c | 76 | wait(1); |
noahmilam | 10:8c55dfcc9a7c | 77 | sendCmd("AT+CMGF=1\r\n"); // sms mode |
noahmilam | 10:8c55dfcc9a7c | 78 | wait(2); |
noahmilam | 10:8c55dfcc9a7c | 79 | sendCmd("AT+CMGD=1\r\n"); // delete the frist message so incoming message is spot 1 |
noahmilam | 10:8c55dfcc9a7c | 80 | wait(1); |
noahmilam | 10:8c55dfcc9a7c | 81 | wait_for_sms(); |
noahmilam | 10:8c55dfcc9a7c | 82 | wait(10); |
noahmilam | 10:8c55dfcc9a7c | 83 | sendCmd("AT+CMGR=1\r\n"); |
noahmilam | 10:8c55dfcc9a7c | 84 | storeResp(); |
noahmilam | 10:8c55dfcc9a7c | 85 | char temp[30]; |
noahmilam | 10:8c55dfcc9a7c | 86 | return get_server_IP(); |
noahmilam | 10:8c55dfcc9a7c | 87 | } |
noahmilam | 10:8c55dfcc9a7c | 88 | |
noahmilam | 10:8c55dfcc9a7c | 89 | // end of what Noah Milam added |
lawliet | 0:8ccbd963e74d | 90 | bool GPRS::checkSIMStatus(void) |
lawliet | 0:8ccbd963e74d | 91 | { |
lawliet | 0:8ccbd963e74d | 92 | char gprsBuffer[32]; |
lawliet | 0:8ccbd963e74d | 93 | int count = 0; |
lawliet | 0:8ccbd963e74d | 94 | cleanBuffer(gprsBuffer,32); |
lawliet | 0:8ccbd963e74d | 95 | while(count < 3) { |
lawliet | 0:8ccbd963e74d | 96 | sendCmd("AT+CPIN?\r\n"); |
lawliet | 0:8ccbd963e74d | 97 | readBuffer(gprsBuffer,32,DEFAULT_TIMEOUT); |
lawliet | 0:8ccbd963e74d | 98 | if((NULL != strstr(gprsBuffer,"+CPIN: READY"))) { |
lawliet | 0:8ccbd963e74d | 99 | break; |
lawliet | 0:8ccbd963e74d | 100 | } |
lawliet | 0:8ccbd963e74d | 101 | count++; |
lawliet | 0:8ccbd963e74d | 102 | wait(1); |
lawliet | 0:8ccbd963e74d | 103 | } |
lawliet | 0:8ccbd963e74d | 104 | if(count == 3) { |
lawliet | 0:8ccbd963e74d | 105 | return false; |
lawliet | 0:8ccbd963e74d | 106 | } |
lawliet | 0:8ccbd963e74d | 107 | return true; |
lawliet | 0:8ccbd963e74d | 108 | } |
lawliet | 0:8ccbd963e74d | 109 | |
lawliet | 0:8ccbd963e74d | 110 | bool GPRS::join() |
lawliet | 0:8ccbd963e74d | 111 | { |
lawliet | 0:8ccbd963e74d | 112 | char cmd[64]; |
lawliet | 0:8ccbd963e74d | 113 | char ipAddr[32]; |
lawliet | 0:8ccbd963e74d | 114 | //Select multiple connection |
lawliet | 0:8ccbd963e74d | 115 | sendCmdAndWaitForResp("AT+CIPMUX=1\r\n","OK",DEFAULT_TIMEOUT,CMD); |
lawliet | 0:8ccbd963e74d | 116 | |
lawliet | 0:8ccbd963e74d | 117 | //set APN |
lawliet | 0:8ccbd963e74d | 118 | snprintf(cmd,sizeof(cmd),"AT+CSTT=\"%s\",\"%s\",\"%s\"\r\n",_apn,_userName,_passWord); |
lawliet | 0:8ccbd963e74d | 119 | sendCmdAndWaitForResp(cmd, "OK", DEFAULT_TIMEOUT,CMD); |
lawliet | 0:8ccbd963e74d | 120 | |
lawliet | 0:8ccbd963e74d | 121 | //Brings up wireless connection |
lawliet | 0:8ccbd963e74d | 122 | sendCmdAndWaitForResp("AT+CIICR\r\n","OK",DEFAULT_TIMEOUT,CMD); |
lawliet | 0:8ccbd963e74d | 123 | |
lawliet | 0:8ccbd963e74d | 124 | //Get local IP address |
lawliet | 0:8ccbd963e74d | 125 | sendCmd("AT+CIFSR\r\n"); |
lawliet | 0:8ccbd963e74d | 126 | readBuffer(ipAddr,32,2); |
lawliet | 0:8ccbd963e74d | 127 | |
lawliet | 0:8ccbd963e74d | 128 | if(NULL != strstr(ipAddr,"AT+CIFSR")) { |
lawliet | 0:8ccbd963e74d | 129 | _ip = str_to_ip(ipAddr+12); |
lawliet | 0:8ccbd963e74d | 130 | if(_ip != 0) { |
lawliet | 0:8ccbd963e74d | 131 | return true; |
lawliet | 0:8ccbd963e74d | 132 | } |
lawliet | 0:8ccbd963e74d | 133 | } |
lawliet | 0:8ccbd963e74d | 134 | return false; |
lawliet | 0:8ccbd963e74d | 135 | } |
lawliet | 0:8ccbd963e74d | 136 | |
lawliet | 0:8ccbd963e74d | 137 | bool GPRS::setProtocol(int socket, Protocol p) |
lawliet | 0:8ccbd963e74d | 138 | { |
lawliet | 0:8ccbd963e74d | 139 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
lawliet | 0:8ccbd963e74d | 140 | return false; |
lawliet | 0:8ccbd963e74d | 141 | } |
lawliet | 0:8ccbd963e74d | 142 | //ToDo: setProtocol |
lawliet | 0:8ccbd963e74d | 143 | return true; |
lawliet | 0:8ccbd963e74d | 144 | } |
lawliet | 0:8ccbd963e74d | 145 | |
lawliet | 0:8ccbd963e74d | 146 | bool GPRS::connect(int socket, Protocol ptl,const char * host, int port, int timeout) |
lawliet | 0:8ccbd963e74d | 147 | { |
lawliet | 0:8ccbd963e74d | 148 | char cmd[64]; |
lawliet | 0:8ccbd963e74d | 149 | char resp[96]; |
lawliet | 0:8ccbd963e74d | 150 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
lawliet | 0:8ccbd963e74d | 151 | return false; |
lawliet | 0:8ccbd963e74d | 152 | } |
lawliet | 0:8ccbd963e74d | 153 | if(ptl == TCP) { |
lawliet | 0:8ccbd963e74d | 154 | sprintf(cmd, "AT+CIPSTART=%d,\"TCP\",\"%s\",%d\r\n",socket, host, port); |
lawliet | 0:8ccbd963e74d | 155 | } else if(ptl == UDP) { |
lawliet | 0:8ccbd963e74d | 156 | sprintf(cmd, "AT+CIPSTART=%d,\"UDP\",\"%s\",%d\r\n",socket, host, port); |
lawliet | 0:8ccbd963e74d | 157 | } else { |
lawliet | 0:8ccbd963e74d | 158 | return false; |
lawliet | 0:8ccbd963e74d | 159 | } |
lawliet | 0:8ccbd963e74d | 160 | sendCmd(cmd); |
lawliet | 0:8ccbd963e74d | 161 | readBuffer(resp,96,2*DEFAULT_TIMEOUT); |
lawliet | 0:8ccbd963e74d | 162 | if(NULL != strstr(resp,"CONNECT")) { //ALREADY CONNECT or CONNECT OK |
lawliet | 0:8ccbd963e74d | 163 | return true; |
lawliet | 0:8ccbd963e74d | 164 | } |
lawliet | 0:8ccbd963e74d | 165 | return false;//ERROR |
lawliet | 0:8ccbd963e74d | 166 | } |
lawliet | 0:8ccbd963e74d | 167 | |
lawliet | 0:8ccbd963e74d | 168 | bool GPRS::gethostbyname(const char* host, uint32_t* ip) |
lawliet | 0:8ccbd963e74d | 169 | { |
lawliet | 0:8ccbd963e74d | 170 | uint32_t addr = str_to_ip(host); |
lawliet | 0:8ccbd963e74d | 171 | char buf[17]; |
lawliet | 0:8ccbd963e74d | 172 | snprintf(buf, sizeof(buf), "%d.%d.%d.%d", (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, addr&0xff); |
lawliet | 0:8ccbd963e74d | 173 | if (strcmp(buf, host) == 0) { |
lawliet | 0:8ccbd963e74d | 174 | *ip = addr; |
lawliet | 0:8ccbd963e74d | 175 | return true; |
lawliet | 0:8ccbd963e74d | 176 | } |
lawliet | 0:8ccbd963e74d | 177 | return false; |
lawliet | 0:8ccbd963e74d | 178 | } |
lawliet | 0:8ccbd963e74d | 179 | |
lawliet | 0:8ccbd963e74d | 180 | bool GPRS::disconnect() |
lawliet | 0:8ccbd963e74d | 181 | { |
lawliet | 0:8ccbd963e74d | 182 | sendCmd("AT+CIPSHUT\r\n"); |
lawliet | 0:8ccbd963e74d | 183 | return true; |
lawliet | 0:8ccbd963e74d | 184 | } |
lawliet | 0:8ccbd963e74d | 185 | |
lawliet | 0:8ccbd963e74d | 186 | bool GPRS::is_connected(int socket) |
lawliet | 0:8ccbd963e74d | 187 | { |
lawliet | 0:8ccbd963e74d | 188 | char cmd[16]; |
lawliet | 3:acf2ea413e72 | 189 | char resp[96]; |
lawliet | 3:acf2ea413e72 | 190 | snprintf(cmd,16,"AT+CIPSTATUS=%d\r\n",socket); |
lawliet | 0:8ccbd963e74d | 191 | sendCmd(cmd); |
lawliet | 0:8ccbd963e74d | 192 | readBuffer(resp,sizeof(resp),DEFAULT_TIMEOUT); |
lawliet | 0:8ccbd963e74d | 193 | if(NULL != strstr(resp,"CONNECTED")) { |
lawliet | 0:8ccbd963e74d | 194 | //+CIPSTATUS: 1,0,"TCP","216.52.233.120","80","CONNECTED" |
lawliet | 0:8ccbd963e74d | 195 | return true; |
lawliet | 0:8ccbd963e74d | 196 | } else { |
lawliet | 0:8ccbd963e74d | 197 | //+CIPSTATUS: 1,0,"TCP","216.52.233.120","80","CLOSED" |
lawliet | 0:8ccbd963e74d | 198 | //+CIPSTATUS: 0,,"","","","INITIAL" |
lawliet | 0:8ccbd963e74d | 199 | return false; |
lawliet | 0:8ccbd963e74d | 200 | } |
lawliet | 0:8ccbd963e74d | 201 | } |
lawliet | 0:8ccbd963e74d | 202 | |
lawliet | 0:8ccbd963e74d | 203 | void GPRS::reset() |
lawliet | 0:8ccbd963e74d | 204 | { |
lawliet | 0:8ccbd963e74d | 205 | |
lawliet | 0:8ccbd963e74d | 206 | } |
lawliet | 0:8ccbd963e74d | 207 | |
lawliet | 0:8ccbd963e74d | 208 | bool GPRS::close(int socket) |
lawliet | 0:8ccbd963e74d | 209 | { |
lawliet | 0:8ccbd963e74d | 210 | char cmd[16]; |
lawliet | 0:8ccbd963e74d | 211 | char resp[16]; |
lawliet | 0:8ccbd963e74d | 212 | |
lawliet | 0:8ccbd963e74d | 213 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
lawliet | 0:8ccbd963e74d | 214 | return false; |
lawliet | 0:8ccbd963e74d | 215 | } |
lawliet | 0:8ccbd963e74d | 216 | // if not connected, return |
lawliet | 0:8ccbd963e74d | 217 | if (is_connected(socket) == false) { |
lawliet | 0:8ccbd963e74d | 218 | return true; |
lawliet | 0:8ccbd963e74d | 219 | } |
lawliet | 4:1142bdd07989 | 220 | snprintf(cmd, sizeof(cmd),"AT+CIPCLOSE=%d\r\n",socket); |
lawliet | 0:8ccbd963e74d | 221 | snprintf(resp,sizeof(resp),"%d, CLOSE OK",socket); |
lawliet | 0:8ccbd963e74d | 222 | if(0 != sendCmdAndWaitForResp(cmd, resp, DEFAULT_TIMEOUT,CMD)) { |
lawliet | 0:8ccbd963e74d | 223 | return false; |
lawliet | 0:8ccbd963e74d | 224 | } |
lawliet | 0:8ccbd963e74d | 225 | return true; |
lawliet | 0:8ccbd963e74d | 226 | } |
lawliet | 0:8ccbd963e74d | 227 | |
lawliet | 0:8ccbd963e74d | 228 | bool GPRS::readable(void) |
lawliet | 0:8ccbd963e74d | 229 | { |
lawliet | 0:8ccbd963e74d | 230 | return readable(); |
lawliet | 0:8ccbd963e74d | 231 | } |
lawliet | 0:8ccbd963e74d | 232 | |
lawliet | 0:8ccbd963e74d | 233 | int GPRS::wait_readable(int socket, int wait_time) |
lawliet | 0:8ccbd963e74d | 234 | { |
lawliet | 0:8ccbd963e74d | 235 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
lawliet | 0:8ccbd963e74d | 236 | return -1; |
lawliet | 0:8ccbd963e74d | 237 | } |
lawliet | 0:8ccbd963e74d | 238 | char resp[16]; |
lawliet | 0:8ccbd963e74d | 239 | snprintf(resp,sizeof(resp),"\r\n\r\n+RECEIVE,%d",socket);//"+RECEIVE:<socketID>,<length>" |
lawliet | 0:8ccbd963e74d | 240 | int len = strlen(resp); |
lawliet | 0:8ccbd963e74d | 241 | |
lawliet | 0:8ccbd963e74d | 242 | if(false == respCmp(resp,len,wait_time)) { |
lawliet | 0:8ccbd963e74d | 243 | return -1; |
lawliet | 0:8ccbd963e74d | 244 | } |
lawliet | 0:8ccbd963e74d | 245 | char c = readByte();//',' |
lawliet | 0:8ccbd963e74d | 246 | char dataLen[4]; |
lawliet | 0:8ccbd963e74d | 247 | int i = 0; |
lawliet | 0:8ccbd963e74d | 248 | c = readByte(); |
lawliet | 0:8ccbd963e74d | 249 | while((c >= '0') && (c <= '9')) { |
lawliet | 0:8ccbd963e74d | 250 | dataLen[i++] = c; |
lawliet | 0:8ccbd963e74d | 251 | c = readByte(); |
lawliet | 0:8ccbd963e74d | 252 | } |
lawliet | 0:8ccbd963e74d | 253 | c = readByte();//'\n' |
lawliet | 0:8ccbd963e74d | 254 | len = atoi(dataLen); |
lawliet | 0:8ccbd963e74d | 255 | return len; |
lawliet | 0:8ccbd963e74d | 256 | } |
lawliet | 0:8ccbd963e74d | 257 | |
lawliet | 0:8ccbd963e74d | 258 | int GPRS::wait_writeable(int socket, int req_size) |
lawliet | 0:8ccbd963e74d | 259 | { |
lawliet | 0:8ccbd963e74d | 260 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
lawliet | 0:8ccbd963e74d | 261 | return -1; |
lawliet | 0:8ccbd963e74d | 262 | } |
lawliet | 0:8ccbd963e74d | 263 | return req_size>256?256:req_size+1; |
lawliet | 0:8ccbd963e74d | 264 | } |
lawliet | 0:8ccbd963e74d | 265 | |
lawliet | 0:8ccbd963e74d | 266 | int GPRS::send(int socket, const char * str, int len) |
lawliet | 0:8ccbd963e74d | 267 | { |
lawliet | 0:8ccbd963e74d | 268 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
lawliet | 0:8ccbd963e74d | 269 | return -1; |
lawliet | 0:8ccbd963e74d | 270 | } |
lawliet | 0:8ccbd963e74d | 271 | char cmd[32]; |
lawliet | 0:8ccbd963e74d | 272 | wait(1); |
lawliet | 3:acf2ea413e72 | 273 | if(len > 0){ |
lawliet | 8:180feb3ebe62 | 274 | snprintf(cmd,sizeof(cmd),"AT+CIPSEND=%d\r\n",socket); |
lawliet | 8:180feb3ebe62 | 275 | if(0 != sendCmdAndWaitForResp(cmd,">",2,CMD)) { |
lawliet | 3:acf2ea413e72 | 276 | return false; |
lawliet | 3:acf2ea413e72 | 277 | } |
lawliet | 8:180feb3ebe62 | 278 | sendCmd(str); |
lawliet | 8:180feb3ebe62 | 279 | serialModem.putc((char)0x1a); |
lawliet | 0:8ccbd963e74d | 280 | } |
lawliet | 0:8ccbd963e74d | 281 | return len; |
lawliet | 0:8ccbd963e74d | 282 | } |
lawliet | 0:8ccbd963e74d | 283 | |
lawliet | 0:8ccbd963e74d | 284 | int GPRS::recv(int socket, char* buf, int len) |
lawliet | 0:8ccbd963e74d | 285 | { |
lawliet | 0:8ccbd963e74d | 286 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
lawliet | 0:8ccbd963e74d | 287 | return -1; |
lawliet | 0:8ccbd963e74d | 288 | } |
lawliet | 0:8ccbd963e74d | 289 | cleanBuffer(buf,len); |
lawliet | 0:8ccbd963e74d | 290 | readBuffer(buf,len,DEFAULT_TIMEOUT/2); |
lawliet | 0:8ccbd963e74d | 291 | return len; |
lawliet | 0:8ccbd963e74d | 292 | //return strlen(buf); |
lawliet | 0:8ccbd963e74d | 293 | } |
lawliet | 0:8ccbd963e74d | 294 | |
lawliet | 0:8ccbd963e74d | 295 | int GPRS::new_socket() |
lawliet | 0:8ccbd963e74d | 296 | { |
lawliet | 7:1bdcfd6da2d0 | 297 | socketID = 0; //we only support one socket. |
lawliet | 7:1bdcfd6da2d0 | 298 | return socketID; |
lawliet | 0:8ccbd963e74d | 299 | } |
lawliet | 0:8ccbd963e74d | 300 | |
lawliet | 0:8ccbd963e74d | 301 | uint16_t GPRS::new_port() |
lawliet | 0:8ccbd963e74d | 302 | { |
lawliet | 0:8ccbd963e74d | 303 | uint16_t port = rand(); |
lawliet | 0:8ccbd963e74d | 304 | port |= 49152; |
lawliet | 0:8ccbd963e74d | 305 | return port; |
lawliet | 0:8ccbd963e74d | 306 | } |
lawliet | 0:8ccbd963e74d | 307 | |
lawliet | 0:8ccbd963e74d | 308 | uint32_t GPRS::str_to_ip(const char* str) |
lawliet | 0:8ccbd963e74d | 309 | { |
lawliet | 0:8ccbd963e74d | 310 | uint32_t ip = 0; |
lawliet | 0:8ccbd963e74d | 311 | char* p = (char*)str; |
lawliet | 0:8ccbd963e74d | 312 | for(int i = 0; i < 4; i++) { |
lawliet | 0:8ccbd963e74d | 313 | ip |= atoi(p); |
lawliet | 0:8ccbd963e74d | 314 | p = strchr(p, '.'); |
lawliet | 0:8ccbd963e74d | 315 | if (p == NULL) { |
lawliet | 0:8ccbd963e74d | 316 | break; |
lawliet | 0:8ccbd963e74d | 317 | } |
lawliet | 0:8ccbd963e74d | 318 | ip <<= 8; |
lawliet | 0:8ccbd963e74d | 319 | p++; |
lawliet | 0:8ccbd963e74d | 320 | } |
lawliet | 0:8ccbd963e74d | 321 | return ip; |
lawliet | 0:8ccbd963e74d | 322 | } |