uses pushing box to write to google spreadsheets
Dependencies: GSM_PUSHING_BOX_STATE_MACHINE MBed_Adafruit-GPS-Library SDFileSystem mbed
Fork of DCS by
GPRS/GPRS.cpp@19:404594768414, 2015-10-21 (annotated)
- Committer:
- DeWayneDennis
- Date:
- Wed Oct 21 19:44:47 2015 +0000
- Revision:
- 19:404594768414
changed to work with pushing box via http post
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
DeWayneDennis | 19:404594768414 | 1 | /* |
DeWayneDennis | 19:404594768414 | 2 | GPRS.cpp |
DeWayneDennis | 19:404594768414 | 3 | 2014 Copyright (c) Seeed Technology Inc. All right reserved. |
DeWayneDennis | 19:404594768414 | 4 | |
DeWayneDennis | 19:404594768414 | 5 | Author:lawliet zou(lawliet.zou@gmail.com) |
DeWayneDennis | 19:404594768414 | 6 | 2014-2-24 |
DeWayneDennis | 19:404594768414 | 7 | |
DeWayneDennis | 19:404594768414 | 8 | This library is free software; you can redistribute it and/or |
DeWayneDennis | 19:404594768414 | 9 | modify it under the terms of the GNU Lesser General Public |
DeWayneDennis | 19:404594768414 | 10 | License as published by the Free Software Foundation; either |
DeWayneDennis | 19:404594768414 | 11 | version 2.1 of the License, or (at your option) any later version. |
DeWayneDennis | 19:404594768414 | 12 | |
DeWayneDennis | 19:404594768414 | 13 | This library is distributed in the hope that it will be useful, |
DeWayneDennis | 19:404594768414 | 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
DeWayneDennis | 19:404594768414 | 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
DeWayneDennis | 19:404594768414 | 16 | Lesser General Public License for more details. |
DeWayneDennis | 19:404594768414 | 17 | |
DeWayneDennis | 19:404594768414 | 18 | You should have received a copy of the GNU Lesser General Public |
DeWayneDennis | 19:404594768414 | 19 | License along with this library; if not, write to the Free Software |
DeWayneDennis | 19:404594768414 | 20 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
DeWayneDennis | 19:404594768414 | 21 | */ |
DeWayneDennis | 19:404594768414 | 22 | |
DeWayneDennis | 19:404594768414 | 23 | #include "mbed.h" |
DeWayneDennis | 19:404594768414 | 24 | #include "GPRS.h" |
DeWayneDennis | 19:404594768414 | 25 | |
DeWayneDennis | 19:404594768414 | 26 | GPRS* GPRS::inst; |
DeWayneDennis | 19:404594768414 | 27 | char* numbers[100]; |
DeWayneDennis | 19:404594768414 | 28 | FILE *fpNum; |
DeWayneDennis | 19:404594768414 | 29 | int number_index = 0; |
DeWayneDennis | 19:404594768414 | 30 | char phone_number[12]; |
DeWayneDennis | 19:404594768414 | 31 | |
DeWayneDennis | 19:404594768414 | 32 | GPRS::GPRS(PinName tx, PinName rx, int baudRate, const char* apn, const char* userName, const char* passWord) : Modem(tx,rx,baudRate) |
DeWayneDennis | 19:404594768414 | 33 | { |
DeWayneDennis | 19:404594768414 | 34 | inst = this; |
DeWayneDennis | 19:404594768414 | 35 | _apn = apn; |
DeWayneDennis | 19:404594768414 | 36 | _userName = userName; |
DeWayneDennis | 19:404594768414 | 37 | _passWord = passWord; |
DeWayneDennis | 19:404594768414 | 38 | socketID = -1; |
DeWayneDennis | 19:404594768414 | 39 | } |
DeWayneDennis | 19:404594768414 | 40 | |
DeWayneDennis | 19:404594768414 | 41 | bool GPRS::preInit() |
DeWayneDennis | 19:404594768414 | 42 | { |
DeWayneDennis | 19:404594768414 | 43 | //send AT command a couple of times |
DeWayneDennis | 19:404594768414 | 44 | for(int i = 0; i < 2; i++) { |
DeWayneDennis | 19:404594768414 | 45 | sendCmd("AT\r\n"); |
DeWayneDennis | 19:404594768414 | 46 | } |
DeWayneDennis | 19:404594768414 | 47 | return checkSIMStatus(); |
DeWayneDennis | 19:404594768414 | 48 | } |
DeWayneDennis | 19:404594768414 | 49 | // added by Noah Milam |
DeWayneDennis | 19:404594768414 | 50 | void GPRS::start_server() |
DeWayneDennis | 19:404594768414 | 51 | { |
DeWayneDennis | 19:404594768414 | 52 | sendCmdResp("AT+CGATT?\r\n"); |
DeWayneDennis | 19:404594768414 | 53 | |
DeWayneDennis | 19:404594768414 | 54 | sendCmdResp("AT+CIPSERVER=1,1234\r\n"); |
DeWayneDennis | 19:404594768414 | 55 | listen_server(); |
DeWayneDennis | 19:404594768414 | 56 | } |
DeWayneDennis | 19:404594768414 | 57 | void GPRS::listen_server() |
DeWayneDennis | 19:404594768414 | 58 | { |
DeWayneDennis | 19:404594768414 | 59 | gprs_response(); |
DeWayneDennis | 19:404594768414 | 60 | } |
DeWayneDennis | 19:404594768414 | 61 | |
DeWayneDennis | 19:404594768414 | 62 | void GPRS::send_SMS(char* number, char* data) |
DeWayneDennis | 19:404594768414 | 63 | { |
DeWayneDennis | 19:404594768414 | 64 | printf("sending text message to: %s\r\n", number); |
DeWayneDennis | 19:404594768414 | 65 | sendCmdAndWaitForResp("AT+CMGF=1\r\n","OK",DEFAULT_TIMEOUT,CMD); |
DeWayneDennis | 19:404594768414 | 66 | wait(2); |
DeWayneDennis | 19:404594768414 | 67 | //printf("\032\n"); |
DeWayneDennis | 19:404594768414 | 68 | char cmd[64]; |
DeWayneDennis | 19:404594768414 | 69 | snprintf(cmd,sizeof(cmd),"AT+CMGS=\"+%s\"\r\n",number); |
DeWayneDennis | 19:404594768414 | 70 | printf(">>>>%s",cmd); |
DeWayneDennis | 19:404594768414 | 71 | sendCmdAndWaitForResp(cmd,">",DEFAULT_TIMEOUT,CMD); |
DeWayneDennis | 19:404594768414 | 72 | printf("sent at cmgf\n"); |
DeWayneDennis | 19:404594768414 | 73 | wait(2); |
DeWayneDennis | 19:404594768414 | 74 | //printf("032"); |
DeWayneDennis | 19:404594768414 | 75 | sendCmd(data); // sends the address |
DeWayneDennis | 19:404594768414 | 76 | sendCmd("\x1a"); // this is like pressing control - z to end the send command |
DeWayneDennis | 19:404594768414 | 77 | wait(10); // giving the send enough time to do its thing |
DeWayneDennis | 19:404594768414 | 78 | printf("should have been received"); |
DeWayneDennis | 19:404594768414 | 79 | } |
DeWayneDennis | 19:404594768414 | 80 | |
DeWayneDennis | 19:404594768414 | 81 | char* GPRS::read_SMS() |
DeWayneDennis | 19:404594768414 | 82 | { |
DeWayneDennis | 19:404594768414 | 83 | wait(1); |
DeWayneDennis | 19:404594768414 | 84 | sendCmd("AT+CMGF=1\r\n"); // sms mode |
DeWayneDennis | 19:404594768414 | 85 | wait(2); |
DeWayneDennis | 19:404594768414 | 86 | sendCmd("AT+CMGD=1\r\n"); // delete the frist message so incoming message is spot 1 |
DeWayneDennis | 19:404594768414 | 87 | wait(1); |
DeWayneDennis | 19:404594768414 | 88 | wait_for_sms(); |
DeWayneDennis | 19:404594768414 | 89 | wait(10); |
DeWayneDennis | 19:404594768414 | 90 | sendCmd("AT+CMGR=1\r\n"); |
DeWayneDennis | 19:404594768414 | 91 | storeResp(); |
DeWayneDennis | 19:404594768414 | 92 | return get_server_IP(); |
DeWayneDennis | 19:404594768414 | 93 | } |
DeWayneDennis | 19:404594768414 | 94 | |
DeWayneDennis | 19:404594768414 | 95 | // end of what Noah Milam added |
DeWayneDennis | 19:404594768414 | 96 | bool GPRS::checkSIMStatus(void) |
DeWayneDennis | 19:404594768414 | 97 | { |
DeWayneDennis | 19:404594768414 | 98 | printf("Checking SIM Status...\r\n"); |
DeWayneDennis | 19:404594768414 | 99 | char gprsBuffer[32]; |
DeWayneDennis | 19:404594768414 | 100 | int count = 0; |
DeWayneDennis | 19:404594768414 | 101 | |
DeWayneDennis | 19:404594768414 | 102 | while(count < 3) { |
DeWayneDennis | 19:404594768414 | 103 | cleanBuffer(gprsBuffer,32); |
DeWayneDennis | 19:404594768414 | 104 | sendCmd("AT+CPIN?\r\n"); |
DeWayneDennis | 19:404594768414 | 105 | readBuffer(gprsBuffer,32,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 106 | if((NULL != strstr(gprsBuffer,"+CPIN: READY"))) { |
DeWayneDennis | 19:404594768414 | 107 | break; |
DeWayneDennis | 19:404594768414 | 108 | } |
DeWayneDennis | 19:404594768414 | 109 | printf("SIM Not Ready..Try Again\r\n--%s--\r\n", gprsBuffer); |
DeWayneDennis | 19:404594768414 | 110 | count++; |
DeWayneDennis | 19:404594768414 | 111 | wait(1); |
DeWayneDennis | 19:404594768414 | 112 | } |
DeWayneDennis | 19:404594768414 | 113 | if(count == 3) { |
DeWayneDennis | 19:404594768414 | 114 | return false; |
DeWayneDennis | 19:404594768414 | 115 | } |
DeWayneDennis | 19:404594768414 | 116 | printf("SIM Status GOOD!\r\n"); |
DeWayneDennis | 19:404594768414 | 117 | return true; |
DeWayneDennis | 19:404594768414 | 118 | } |
DeWayneDennis | 19:404594768414 | 119 | |
DeWayneDennis | 19:404594768414 | 120 | bool GPRS::join() |
DeWayneDennis | 19:404594768414 | 121 | { |
DeWayneDennis | 19:404594768414 | 122 | char cmd[64]; |
DeWayneDennis | 19:404594768414 | 123 | char ipAddr[32]; |
DeWayneDennis | 19:404594768414 | 124 | char resp[96]; |
DeWayneDennis | 19:404594768414 | 125 | |
DeWayneDennis | 19:404594768414 | 126 | printf(">>>>AT+CREG\r\n"); |
DeWayneDennis | 19:404594768414 | 127 | sendCmd("AT+CREG?\r\n"); |
DeWayneDennis | 19:404594768414 | 128 | cleanBuffer(resp,96); |
DeWayneDennis | 19:404594768414 | 129 | readBuffer(resp,96,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 130 | if(NULL != strstr(resp,"+CREG:")) { |
DeWayneDennis | 19:404594768414 | 131 | } |
DeWayneDennis | 19:404594768414 | 132 | else{ |
DeWayneDennis | 19:404594768414 | 133 | return false; |
DeWayneDennis | 19:404594768414 | 134 | } |
DeWayneDennis | 19:404594768414 | 135 | //close any existing connections |
DeWayneDennis | 19:404594768414 | 136 | printf(">>>>AT+CIPSHUT\r\n"); |
DeWayneDennis | 19:404594768414 | 137 | sendCmd("AT+CIPSHUT\r\n"); |
DeWayneDennis | 19:404594768414 | 138 | cleanBuffer(resp,96); |
DeWayneDennis | 19:404594768414 | 139 | readBuffer(resp,96,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 140 | if(NULL != strstr(resp,"OK")) { |
DeWayneDennis | 19:404594768414 | 141 | } |
DeWayneDennis | 19:404594768414 | 142 | else{ |
DeWayneDennis | 19:404594768414 | 143 | return false; |
DeWayneDennis | 19:404594768414 | 144 | } |
DeWayneDennis | 19:404594768414 | 145 | //Select multi connection (it can be a server or client) |
DeWayneDennis | 19:404594768414 | 146 | printf(">>>>AT+CIPMUX=0\r\n"); |
DeWayneDennis | 19:404594768414 | 147 | sendCmd("AT+CIPMUX=0 \r\n"); |
DeWayneDennis | 19:404594768414 | 148 | cleanBuffer(resp,96); |
DeWayneDennis | 19:404594768414 | 149 | readBuffer(resp,96,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 150 | if(NULL != strstr(resp,"CIPMUX")) { |
DeWayneDennis | 19:404594768414 | 151 | } |
DeWayneDennis | 19:404594768414 | 152 | else{ |
DeWayneDennis | 19:404594768414 | 153 | return false; |
DeWayneDennis | 19:404594768414 | 154 | } |
DeWayneDennis | 19:404594768414 | 155 | //get signal strength |
DeWayneDennis | 19:404594768414 | 156 | printf(">>>>AT+CSQ\r\n"); |
DeWayneDennis | 19:404594768414 | 157 | sendCmd("AT+CSQ\r\n"); |
DeWayneDennis | 19:404594768414 | 158 | cleanBuffer(resp,96); |
DeWayneDennis | 19:404594768414 | 159 | readBuffer(resp,96,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 160 | if(NULL != strstr(resp,"+CSQ:")) { |
DeWayneDennis | 19:404594768414 | 161 | } |
DeWayneDennis | 19:404594768414 | 162 | else{ |
DeWayneDennis | 19:404594768414 | 163 | return false; |
DeWayneDennis | 19:404594768414 | 164 | } |
DeWayneDennis | 19:404594768414 | 165 | //check if device is attached |
DeWayneDennis | 19:404594768414 | 166 | printf(">>>>AT+CGATT?\r\n"); |
DeWayneDennis | 19:404594768414 | 167 | sendCmd("AT+CGATT?\r\n"); |
DeWayneDennis | 19:404594768414 | 168 | cleanBuffer(resp,96); |
DeWayneDennis | 19:404594768414 | 169 | readBuffer(resp,96,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 170 | if(NULL != strstr(resp,"+CGATT:")) { |
DeWayneDennis | 19:404594768414 | 171 | } |
DeWayneDennis | 19:404594768414 | 172 | else{ |
DeWayneDennis | 19:404594768414 | 173 | return false; |
DeWayneDennis | 19:404594768414 | 174 | } |
DeWayneDennis | 19:404594768414 | 175 | //attach the device |
DeWayneDennis | 19:404594768414 | 176 | printf(">>>>AT+CGATT=1\r\n"); |
DeWayneDennis | 19:404594768414 | 177 | sendCmd("AT+CGATT=1\r\n"); |
DeWayneDennis | 19:404594768414 | 178 | cleanBuffer(resp,96); |
DeWayneDennis | 19:404594768414 | 179 | readBuffer(resp,96,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 180 | if(NULL != strstr(resp,"OK")) { |
DeWayneDennis | 19:404594768414 | 181 | } |
DeWayneDennis | 19:404594768414 | 182 | else{ |
DeWayneDennis | 19:404594768414 | 183 | printf("Response: %s\r\n", resp); |
DeWayneDennis | 19:404594768414 | 184 | return false; |
DeWayneDennis | 19:404594768414 | 185 | } |
DeWayneDennis | 19:404594768414 | 186 | |
DeWayneDennis | 19:404594768414 | 187 | //set APN |
DeWayneDennis | 19:404594768414 | 188 | snprintf(cmd,sizeof(cmd),"AT+CSTT=\"%s\",\"%s\",\"%s\"\r\n",_apn,_userName,_passWord); |
DeWayneDennis | 19:404594768414 | 189 | printf(">>>>%s",cmd); |
DeWayneDennis | 19:404594768414 | 190 | //sendCmdAndWaitForRes p(cmd, "OK", DEFAULT_TIMEOUT,CMD); |
DeWayneDennis | 19:404594768414 | 191 | sendCmd(cmd); |
DeWayneDennis | 19:404594768414 | 192 | cleanBuffer(resp,96); |
DeWayneDennis | 19:404594768414 | 193 | readBuffer(resp,96,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 194 | if(NULL != strstr(resp,"OK")) { |
DeWayneDennis | 19:404594768414 | 195 | } |
DeWayneDennis | 19:404594768414 | 196 | else{ |
DeWayneDennis | 19:404594768414 | 197 | return false; |
DeWayneDennis | 19:404594768414 | 198 | } |
DeWayneDennis | 19:404594768414 | 199 | //Brings up wireless connection |
DeWayneDennis | 19:404594768414 | 200 | printf(">>>>AT+CIICR\r\n"); |
DeWayneDennis | 19:404594768414 | 201 | sendCmd("AT+CIICR\r\n"); |
DeWayneDennis | 19:404594768414 | 202 | cleanBuffer(resp,96); |
DeWayneDennis | 19:404594768414 | 203 | readBuffer(resp,96,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 204 | if(NULL != strstr(resp,"OK")) { |
DeWayneDennis | 19:404594768414 | 205 | } |
DeWayneDennis | 19:404594768414 | 206 | else{ |
DeWayneDennis | 19:404594768414 | 207 | return false; |
DeWayneDennis | 19:404594768414 | 208 | } |
DeWayneDennis | 19:404594768414 | 209 | printf(">>>>AT+CIPHEAD\r\n"); |
DeWayneDennis | 19:404594768414 | 210 | sendCmd("AT+CIPHEAD=1\r\n"); |
DeWayneDennis | 19:404594768414 | 211 | cleanBuffer(resp,96); |
DeWayneDennis | 19:404594768414 | 212 | readBuffer(resp,96,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 213 | if(NULL != strstr(resp,"OK")) { |
DeWayneDennis | 19:404594768414 | 214 | } |
DeWayneDennis | 19:404594768414 | 215 | else{ |
DeWayneDennis | 19:404594768414 | 216 | return false; |
DeWayneDennis | 19:404594768414 | 217 | } |
DeWayneDennis | 19:404594768414 | 218 | //Get local IP address |
DeWayneDennis | 19:404594768414 | 219 | printf(">>>>AT+CIFSR\r\n"); |
DeWayneDennis | 19:404594768414 | 220 | sendCmd("AT+CIFSR\r\n"); |
DeWayneDennis | 19:404594768414 | 221 | readBuffer(ipAddr,32,2); |
DeWayneDennis | 19:404594768414 | 222 | printf(">>>>AT+CIFSR returns: %s\r\n", ipAddr); |
DeWayneDennis | 19:404594768414 | 223 | if(NULL != strstr(ipAddr,"AT+CIFSR")) { |
DeWayneDennis | 19:404594768414 | 224 | _ip = str_to_ip(ipAddr+12); |
DeWayneDennis | 19:404594768414 | 225 | if(_ip != 0) { |
DeWayneDennis | 19:404594768414 | 226 | //possibly send ip address to server for future TCP connections |
DeWayneDennis | 19:404594768414 | 227 | return true; |
DeWayneDennis | 19:404594768414 | 228 | } |
DeWayneDennis | 19:404594768414 | 229 | } |
DeWayneDennis | 19:404594768414 | 230 | return false; |
DeWayneDennis | 19:404594768414 | 231 | } |
DeWayneDennis | 19:404594768414 | 232 | |
DeWayneDennis | 19:404594768414 | 233 | bool GPRS::setProtocol(int socket, Protocol p) |
DeWayneDennis | 19:404594768414 | 234 | { |
DeWayneDennis | 19:404594768414 | 235 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
DeWayneDennis | 19:404594768414 | 236 | return false; |
DeWayneDennis | 19:404594768414 | 237 | } |
DeWayneDennis | 19:404594768414 | 238 | //ToDo: setProtocol |
DeWayneDennis | 19:404594768414 | 239 | return true; |
DeWayneDennis | 19:404594768414 | 240 | } |
DeWayneDennis | 19:404594768414 | 241 | |
DeWayneDennis | 19:404594768414 | 242 | bool GPRS::connect(int socket, Protocol ptl,const char * host, int port, int timeout) |
DeWayneDennis | 19:404594768414 | 243 | { |
DeWayneDennis | 19:404594768414 | 244 | char cmd[64]; |
DeWayneDennis | 19:404594768414 | 245 | char resp[96]; |
DeWayneDennis | 19:404594768414 | 246 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
DeWayneDennis | 19:404594768414 | 247 | return false; |
DeWayneDennis | 19:404594768414 | 248 | } |
DeWayneDennis | 19:404594768414 | 249 | if(ptl == TCP) { |
DeWayneDennis | 19:404594768414 | 250 | sprintf(cmd, "AT+CIPSTART=\"TCP\",\"%s\",\"%d\"\r\n", host, port); |
DeWayneDennis | 19:404594768414 | 251 | } else if(ptl == UDP) { |
DeWayneDennis | 19:404594768414 | 252 | sprintf(cmd, "AT+CIPSTART=%d,\"UDP\",\"%s\",%d\r\n",socket, host, port); |
DeWayneDennis | 19:404594768414 | 253 | } else { |
DeWayneDennis | 19:404594768414 | 254 | return false; |
DeWayneDennis | 19:404594768414 | 255 | } |
DeWayneDennis | 19:404594768414 | 256 | |
DeWayneDennis | 19:404594768414 | 257 | sendCmd(cmd); |
DeWayneDennis | 19:404594768414 | 258 | readBuffer(resp,96,DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 259 | if(NULL != strstr(resp,"CONNECT")) { //ALREADY CONNECT or CONNECT OK |
DeWayneDennis | 19:404594768414 | 260 | printf("Response: %s\r\n", resp); |
DeWayneDennis | 19:404594768414 | 261 | return true; |
DeWayneDennis | 19:404594768414 | 262 | } |
DeWayneDennis | 19:404594768414 | 263 | return false;//ERROR |
DeWayneDennis | 19:404594768414 | 264 | } |
DeWayneDennis | 19:404594768414 | 265 | |
DeWayneDennis | 19:404594768414 | 266 | bool GPRS::gethostbyname(const char* host, uint32_t* ip) |
DeWayneDennis | 19:404594768414 | 267 | { |
DeWayneDennis | 19:404594768414 | 268 | uint32_t addr = str_to_ip(host); |
DeWayneDennis | 19:404594768414 | 269 | char buf[17]; |
DeWayneDennis | 19:404594768414 | 270 | snprintf(buf, sizeof(buf), "%d.%d.%d.%d", (addr>>24)&0xff, (addr>>16)&0xff, (addr>>8)&0xff, addr&0xff); |
DeWayneDennis | 19:404594768414 | 271 | if (strcmp(buf, host) == 0) { |
DeWayneDennis | 19:404594768414 | 272 | *ip = addr; |
DeWayneDennis | 19:404594768414 | 273 | return true; |
DeWayneDennis | 19:404594768414 | 274 | } |
DeWayneDennis | 19:404594768414 | 275 | return false; |
DeWayneDennis | 19:404594768414 | 276 | } |
DeWayneDennis | 19:404594768414 | 277 | |
DeWayneDennis | 19:404594768414 | 278 | bool GPRS::disconnect() |
DeWayneDennis | 19:404594768414 | 279 | { |
DeWayneDennis | 19:404594768414 | 280 | sendCmd("AT+CIPSHUT\r\n"); |
DeWayneDennis | 19:404594768414 | 281 | return true; |
DeWayneDennis | 19:404594768414 | 282 | } |
DeWayneDennis | 19:404594768414 | 283 | |
DeWayneDennis | 19:404594768414 | 284 | bool GPRS::is_connected(int socket) |
DeWayneDennis | 19:404594768414 | 285 | { |
DeWayneDennis | 19:404594768414 | 286 | |
DeWayneDennis | 19:404594768414 | 287 | char cmd[16]; |
DeWayneDennis | 19:404594768414 | 288 | char resp[96]; |
DeWayneDennis | 19:404594768414 | 289 | while(1){ |
DeWayneDennis | 19:404594768414 | 290 | snprintf(cmd,16,"AT+CIPSTATUS=%d\r\n",socket); |
DeWayneDennis | 19:404594768414 | 291 | sendCmd(cmd); |
DeWayneDennis | 19:404594768414 | 292 | readBuffer(resp,sizeof(resp),DEFAULT_TIMEOUT); |
DeWayneDennis | 19:404594768414 | 293 | if(NULL != strstr(resp,"CONNECTED")) { |
DeWayneDennis | 19:404594768414 | 294 | return true; |
DeWayneDennis | 19:404594768414 | 295 | } else { |
DeWayneDennis | 19:404594768414 | 296 | return false; |
DeWayneDennis | 19:404594768414 | 297 | } |
DeWayneDennis | 19:404594768414 | 298 | } |
DeWayneDennis | 19:404594768414 | 299 | } |
DeWayneDennis | 19:404594768414 | 300 | |
DeWayneDennis | 19:404594768414 | 301 | void GPRS::reset() |
DeWayneDennis | 19:404594768414 | 302 | { |
DeWayneDennis | 19:404594768414 | 303 | } |
DeWayneDennis | 19:404594768414 | 304 | |
DeWayneDennis | 19:404594768414 | 305 | bool GPRS::close(int socket) |
DeWayneDennis | 19:404594768414 | 306 | { |
DeWayneDennis | 19:404594768414 | 307 | char cmd[16]; |
DeWayneDennis | 19:404594768414 | 308 | char resp[16]; |
DeWayneDennis | 19:404594768414 | 309 | |
DeWayneDennis | 19:404594768414 | 310 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
DeWayneDennis | 19:404594768414 | 311 | return false; |
DeWayneDennis | 19:404594768414 | 312 | } |
DeWayneDennis | 19:404594768414 | 313 | // if not connected, return |
DeWayneDennis | 19:404594768414 | 314 | if (is_connected(socket) == false) { |
DeWayneDennis | 19:404594768414 | 315 | return true; |
DeWayneDennis | 19:404594768414 | 316 | } |
DeWayneDennis | 19:404594768414 | 317 | snprintf(cmd, sizeof(cmd),"AT+CIPCLOSE=%d\r\n",socket); |
DeWayneDennis | 19:404594768414 | 318 | snprintf(resp,sizeof(resp),"%d, CLOSE OK",socket); |
DeWayneDennis | 19:404594768414 | 319 | if(0 != sendCmdAndWaitForResp(cmd, resp, DEFAULT_TIMEOUT,CMD)) { |
DeWayneDennis | 19:404594768414 | 320 | return false; |
DeWayneDennis | 19:404594768414 | 321 | } |
DeWayneDennis | 19:404594768414 | 322 | return true; |
DeWayneDennis | 19:404594768414 | 323 | } |
DeWayneDennis | 19:404594768414 | 324 | |
DeWayneDennis | 19:404594768414 | 325 | bool GPRS::readable(void) |
DeWayneDennis | 19:404594768414 | 326 | { |
DeWayneDennis | 19:404594768414 | 327 | return readable(); |
DeWayneDennis | 19:404594768414 | 328 | } |
DeWayneDennis | 19:404594768414 | 329 | |
DeWayneDennis | 19:404594768414 | 330 | int GPRS::wait_readable(int socket, int wait_time) |
DeWayneDennis | 19:404594768414 | 331 | { |
DeWayneDennis | 19:404594768414 | 332 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
DeWayneDennis | 19:404594768414 | 333 | return -1; |
DeWayneDennis | 19:404594768414 | 334 | } |
DeWayneDennis | 19:404594768414 | 335 | char resp[16]; |
DeWayneDennis | 19:404594768414 | 336 | snprintf(resp,sizeof(resp),"\r\n\r\n+RECEIVE,%d",socket);//"+RECEIVE:<socketID>,<length>" |
DeWayneDennis | 19:404594768414 | 337 | int len = strlen(resp); |
DeWayneDennis | 19:404594768414 | 338 | |
DeWayneDennis | 19:404594768414 | 339 | if(false == respCmp(resp,len,wait_time)) { |
DeWayneDennis | 19:404594768414 | 340 | return -1; |
DeWayneDennis | 19:404594768414 | 341 | } |
DeWayneDennis | 19:404594768414 | 342 | char c = readByte();//',' |
DeWayneDennis | 19:404594768414 | 343 | char dataLen[4]; |
DeWayneDennis | 19:404594768414 | 344 | int i = 0; |
DeWayneDennis | 19:404594768414 | 345 | c = readByte(); |
DeWayneDennis | 19:404594768414 | 346 | while((c >= '0') && (c <= '9')) { |
DeWayneDennis | 19:404594768414 | 347 | dataLen[i++] = c; |
DeWayneDennis | 19:404594768414 | 348 | c = readByte(); |
DeWayneDennis | 19:404594768414 | 349 | } |
DeWayneDennis | 19:404594768414 | 350 | c = readByte();//'\n' |
DeWayneDennis | 19:404594768414 | 351 | len = atoi(dataLen); |
DeWayneDennis | 19:404594768414 | 352 | return len; |
DeWayneDennis | 19:404594768414 | 353 | } |
DeWayneDennis | 19:404594768414 | 354 | |
DeWayneDennis | 19:404594768414 | 355 | int GPRS::wait_writeable(int socket, int req_size) |
DeWayneDennis | 19:404594768414 | 356 | { |
DeWayneDennis | 19:404594768414 | 357 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
DeWayneDennis | 19:404594768414 | 358 | return -1; |
DeWayneDennis | 19:404594768414 | 359 | } |
DeWayneDennis | 19:404594768414 | 360 | return req_size>256?256:req_size+1; |
DeWayneDennis | 19:404594768414 | 361 | } |
DeWayneDennis | 19:404594768414 | 362 | |
DeWayneDennis | 19:404594768414 | 363 | int GPRS::send(int socket, const char * str, int len) |
DeWayneDennis | 19:404594768414 | 364 | { |
DeWayneDennis | 19:404594768414 | 365 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
DeWayneDennis | 19:404594768414 | 366 | return -1; |
DeWayneDennis | 19:404594768414 | 367 | } |
DeWayneDennis | 19:404594768414 | 368 | char cmd[32]; |
DeWayneDennis | 19:404594768414 | 369 | wait(1); |
DeWayneDennis | 19:404594768414 | 370 | if(len > 0){ |
DeWayneDennis | 19:404594768414 | 371 | printf("Sending data: %s\r\n", str); |
DeWayneDennis | 19:404594768414 | 372 | snprintf(cmd,sizeof(cmd),"AT+CIPSEND\r\n"); |
DeWayneDennis | 19:404594768414 | 373 | if(0 != sendCmdAndWaitForResp(cmd,">",2,CMD)) { |
DeWayneDennis | 19:404594768414 | 374 | printf("Couldn't send data!!\r\n"); |
DeWayneDennis | 19:404594768414 | 375 | return false; |
DeWayneDennis | 19:404594768414 | 376 | } |
DeWayneDennis | 19:404594768414 | 377 | sendCmd(str); |
DeWayneDennis | 19:404594768414 | 378 | serialModem.putc((char)0x1a); |
DeWayneDennis | 19:404594768414 | 379 | } |
DeWayneDennis | 19:404594768414 | 380 | return len; |
DeWayneDennis | 19:404594768414 | 381 | } |
DeWayneDennis | 19:404594768414 | 382 | |
DeWayneDennis | 19:404594768414 | 383 | int GPRS::recv(int socket, char* buf, int len) |
DeWayneDennis | 19:404594768414 | 384 | { |
DeWayneDennis | 19:404594768414 | 385 | if (socket < 0 || socket > MAX_SOCK_NUM-1) { |
DeWayneDennis | 19:404594768414 | 386 | return -1; |
DeWayneDennis | 19:404594768414 | 387 | } |
DeWayneDennis | 19:404594768414 | 388 | cleanBuffer(buf,len); |
DeWayneDennis | 19:404594768414 | 389 | readBuffer(buf,len,DEFAULT_TIMEOUT/2); |
DeWayneDennis | 19:404594768414 | 390 | return len; |
DeWayneDennis | 19:404594768414 | 391 | //return strlen(buf); |
DeWayneDennis | 19:404594768414 | 392 | } |
DeWayneDennis | 19:404594768414 | 393 | |
DeWayneDennis | 19:404594768414 | 394 | int GPRS::new_socket() |
DeWayneDennis | 19:404594768414 | 395 | { |
DeWayneDennis | 19:404594768414 | 396 | socketID = 0; //we only support one socket. |
DeWayneDennis | 19:404594768414 | 397 | return socketID; |
DeWayneDennis | 19:404594768414 | 398 | } |
DeWayneDennis | 19:404594768414 | 399 | |
DeWayneDennis | 19:404594768414 | 400 | uint16_t GPRS::new_port() |
DeWayneDennis | 19:404594768414 | 401 | { |
DeWayneDennis | 19:404594768414 | 402 | uint16_t port = rand(); |
DeWayneDennis | 19:404594768414 | 403 | port |= 49152; |
DeWayneDennis | 19:404594768414 | 404 | return port; |
DeWayneDennis | 19:404594768414 | 405 | } |
DeWayneDennis | 19:404594768414 | 406 | |
DeWayneDennis | 19:404594768414 | 407 | uint32_t GPRS::str_to_ip(const char* str) |
DeWayneDennis | 19:404594768414 | 408 | { |
DeWayneDennis | 19:404594768414 | 409 | uint32_t ip = 0; |
DeWayneDennis | 19:404594768414 | 410 | char* p = (char*)str; |
DeWayneDennis | 19:404594768414 | 411 | for(int i = 0; i < 4; i++) { |
DeWayneDennis | 19:404594768414 | 412 | ip |= atoi(p); |
DeWayneDennis | 19:404594768414 | 413 | p = strchr(p, '.'); |
DeWayneDennis | 19:404594768414 | 414 | if (p == NULL) { |
DeWayneDennis | 19:404594768414 | 415 | break; |
DeWayneDennis | 19:404594768414 | 416 | } |
DeWayneDennis | 19:404594768414 | 417 | ip <<= 8; |
DeWayneDennis | 19:404594768414 | 418 | p++; |
DeWayneDennis | 19:404594768414 | 419 | } |
DeWayneDennis | 19:404594768414 | 420 | return ip; |
DeWayneDennis | 19:404594768414 | 421 | } |