DCS_TEAM / GPR_Interface

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Fork of GPRSInterface by -deleted-

GPRS/modem/modem.cpp@10:8c55dfcc9a7c, 2015-09-25 (annotated)

Committer:
noahmilam
Date:
Fri Sep 25 04:10:56 2015 +0000
Revision:
10:8c55dfcc9a7c
Parent:
0:8ccbd963e74d 
ff

Who changed what in which revision?

UserRevisionLine numberNew contents of line
lawliet 0:8ccbd963e74d 1 /*
lawliet 0:8ccbd963e74d 2 modem.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 "modem.h"
noahmilam 10:8c55dfcc9a7c 24 //Serial pc(USBTX,USBRX);
noahmilam 10:8c55dfcc9a7c 25 SDFileSystem sd(PTE3, PTE1, PTE2, PTE4, "sd"); //MOSI, MISO, SCLK, SSEL. Tested on K64F, correct pins.
noahmilam 10:8c55dfcc9a7c 26 AnalogIn LM35(PTB2);
noahmilam 10:8c55dfcc9a7c 27 // added by Noah Milam
noahmilam 10:8c55dfcc9a7c 28 void Modem::gprs_response()
noahmilam 10:8c55dfcc9a7c 29 {
noahmilam 10:8c55dfcc9a7c 30 printf("\nlistening for client\n");
noahmilam 10:8c55dfcc9a7c 31 char buffer[100];
noahmilam 10:8c55dfcc9a7c 32 int count = 0;
noahmilam 10:8c55dfcc9a7c 33
noahmilam 10:8c55dfcc9a7c 34 mkdir("/sd/mydir", 0777); // makes directory if needed
noahmilam 10:8c55dfcc9a7c 35 FILE *fp = fopen("/sd/mydir/chemData.csv", "w"); // creats new file to write
noahmilam 10:8c55dfcc9a7c 36 fprintf(fp,"phone Number,chem data, latitude,longitude\n"); // writes in a header for the table
noahmilam 10:8c55dfcc9a7c 37 fclose(fp); // closes file
noahmilam 10:8c55dfcc9a7c 38
noahmilam 10:8c55dfcc9a7c 39 while(1)
noahmilam 10:8c55dfcc9a7c 40 { if(serialModem.readable()) {
noahmilam 10:8c55dfcc9a7c 41
noahmilam 10:8c55dfcc9a7c 42 while(serialModem.readable()) {
noahmilam 10:8c55dfcc9a7c 43 char c = serialModem.getc();
noahmilam 10:8c55dfcc9a7c 44 buffer[count++] = c;
noahmilam 10:8c55dfcc9a7c 45 //pc.puts(&c);
noahmilam 10:8c55dfcc9a7c 46 if(count == 64) break;
noahmilam 10:8c55dfcc9a7c 47 }
noahmilam 10:8c55dfcc9a7c 48
noahmilam 10:8c55dfcc9a7c 49 if(buffer[0] != '\0'){
noahmilam 10:8c55dfcc9a7c 50 buffer[count] = '\0';
noahmilam 10:8c55dfcc9a7c 51 FILE *fp = fopen("/sd/mydir/chemicalData.csv", "a"); // opens file to append it
noahmilam 10:8c55dfcc9a7c 52 fprintf(fp,"%s\n",buffer);//writes to file
noahmilam 10:8c55dfcc9a7c 53 fclose(fp); // closes file
noahmilam 10:8c55dfcc9a7c 54
noahmilam 10:8c55dfcc9a7c 55 printf("%s \n",buffer);
noahmilam 10:8c55dfcc9a7c 56 for(int i = 0; i < count+2; i++) {
noahmilam 10:8c55dfcc9a7c 57 buffer[i] = NULL;
noahmilam 10:8c55dfcc9a7c 58 }
noahmilam 10:8c55dfcc9a7c 59 }
noahmilam 10:8c55dfcc9a7c 60 count = 0;
noahmilam 10:8c55dfcc9a7c 61 }
noahmilam 10:8c55dfcc9a7c 62 }
noahmilam 10:8c55dfcc9a7c 63 }
lawliet 0:8ccbd963e74d 64
noahmilam 10:8c55dfcc9a7c 65 void Modem::wait_for_sms(){
noahmilam 10:8c55dfcc9a7c 66 printf("waiting for message\n");
noahmilam 10:8c55dfcc9a7c 67 while(1){
noahmilam 10:8c55dfcc9a7c 68 if(serialModem.readable()){
noahmilam 10:8c55dfcc9a7c 69 return;
noahmilam 10:8c55dfcc9a7c 70 }
noahmilam 10:8c55dfcc9a7c 71 }
noahmilam 10:8c55dfcc9a7c 72 }
noahmilam 10:8c55dfcc9a7c 73 void Modem::get_message(){
noahmilam 10:8c55dfcc9a7c 74 char tempStr[30];
noahmilam 10:8c55dfcc9a7c 75 int count= 0;
noahmilam 10:8c55dfcc9a7c 76 int line_count = 0;
noahmilam 10:8c55dfcc9a7c 77 for(int i= 0;i < strlen(IPAdd);i++){
noahmilam 10:8c55dfcc9a7c 78 if(line_count == 3){
noahmilam 10:8c55dfcc9a7c 79 tempStr[count++] = IPAdd[i];
noahmilam 10:8c55dfcc9a7c 80 }
noahmilam 10:8c55dfcc9a7c 81 if(IPAdd[i] == '\n'){
noahmilam 10:8c55dfcc9a7c 82 line_count++;
noahmilam 10:8c55dfcc9a7c 83 }
noahmilam 10:8c55dfcc9a7c 84 }
noahmilam 10:8c55dfcc9a7c 85 tempStr[count - 2] = '\0';
noahmilam 10:8c55dfcc9a7c 86 count++;
noahmilam 10:8c55dfcc9a7c 87 strncpy(IPAdd, tempStr, count);
noahmilam 10:8c55dfcc9a7c 88 printf("IP Addr > %s \n", IPAdd);
noahmilam 10:8c55dfcc9a7c 89 printf("text size > %d\n",strlen(IPAdd));
noahmilam 10:8c55dfcc9a7c 90 }
noahmilam 10:8c55dfcc9a7c 91 void Modem::storeResp(){
noahmilam 10:8c55dfcc9a7c 92
noahmilam 10:8c55dfcc9a7c 93 int line_count = 0;
noahmilam 10:8c55dfcc9a7c 94 int read = -1;
noahmilam 10:8c55dfcc9a7c 95 char buffer[100];
noahmilam 10:8c55dfcc9a7c 96 int count = 0;
noahmilam 10:8c55dfcc9a7c 97 timeCnt.start();
noahmilam 10:8c55dfcc9a7c 98 while(timeCnt.read() < 5)
noahmilam 10:8c55dfcc9a7c 99 {
noahmilam 10:8c55dfcc9a7c 100 while(serialModem.readable()) {
noahmilam 10:8c55dfcc9a7c 101 char c = serialModem.getc();
noahmilam 10:8c55dfcc9a7c 102 buffer[count++] = c;
noahmilam 10:8c55dfcc9a7c 103 }
noahmilam 10:8c55dfcc9a7c 104 }
noahmilam 10:8c55dfcc9a7c 105 timeCnt.stop();
noahmilam 10:8c55dfcc9a7c 106 timeCnt.reset();
noahmilam 10:8c55dfcc9a7c 107 buffer[count] = '\0';
noahmilam 10:8c55dfcc9a7c 108
noahmilam 10:8c55dfcc9a7c 109 strncpy(IPAdd, buffer, count);
noahmilam 10:8c55dfcc9a7c 110 printf("original>> %s",IPAdd);
noahmilam 10:8c55dfcc9a7c 111 printf("size of text > %d",strlen(IPAdd));
noahmilam 10:8c55dfcc9a7c 112 count = 0;
noahmilam 10:8c55dfcc9a7c 113 get_message();
noahmilam 10:8c55dfcc9a7c 114 }
noahmilam 10:8c55dfcc9a7c 115
noahmilam 10:8c55dfcc9a7c 116 char* Modem::get_server_IP(){
noahmilam 10:8c55dfcc9a7c 117 return IPAdd;
noahmilam 10:8c55dfcc9a7c 118 }
noahmilam 10:8c55dfcc9a7c 119 //end added by Noah Milam
lawliet 0:8ccbd963e74d 120 char Modem::readByte(void)
lawliet 0:8ccbd963e74d 121 {
lawliet 0:8ccbd963e74d 122 return serialModem.getc();
lawliet 0:8ccbd963e74d 123 }
lawliet 0:8ccbd963e74d 124
lawliet 0:8ccbd963e74d 125 bool Modem::readable()
lawliet 0:8ccbd963e74d 126 {
lawliet 0:8ccbd963e74d 127 return serialModem.readable();
lawliet 0:8ccbd963e74d 128 }
lawliet 0:8ccbd963e74d 129
lawliet 0:8ccbd963e74d 130 int Modem::readBuffer(char *buffer,int count, unsigned int timeOut)
lawliet 0:8ccbd963e74d 131 {
lawliet 0:8ccbd963e74d 132 int i = 0;
lawliet 0:8ccbd963e74d 133 timeCnt.start();
lawliet 0:8ccbd963e74d 134 while(1) {
lawliet 0:8ccbd963e74d 135 while (serialModem.readable()) {
lawliet 0:8ccbd963e74d 136 char c = serialModem.getc();
lawliet 0:8ccbd963e74d 137 buffer[i++] = c;
lawliet 0:8ccbd963e74d 138 if(i >= count)break;
lawliet 0:8ccbd963e74d 139 }
lawliet 0:8ccbd963e74d 140 if(i >= count)break;
lawliet 0:8ccbd963e74d 141 if(timeCnt.read() > timeOut) {
lawliet 0:8ccbd963e74d 142 timeCnt.stop();
lawliet 0:8ccbd963e74d 143 timeCnt.reset();
lawliet 0:8ccbd963e74d 144 break;
lawliet 0:8ccbd963e74d 145 }
lawliet 0:8ccbd963e74d 146 }
lawliet 0:8ccbd963e74d 147 return 0;
lawliet 0:8ccbd963e74d 148 }
lawliet 0:8ccbd963e74d 149
lawliet 0:8ccbd963e74d 150 void Modem::cleanBuffer(char *buffer, int count)
lawliet 0:8ccbd963e74d 151 {
lawliet 0:8ccbd963e74d 152 for(int i=0; i < count; i++) {
lawliet 0:8ccbd963e74d 153 buffer[i] = '\0';
lawliet 0:8ccbd963e74d 154 }
lawliet 0:8ccbd963e74d 155 }
lawliet 0:8ccbd963e74d 156
lawliet 0:8ccbd963e74d 157 void Modem::sendCmd(const char* cmd)
lawliet 0:8ccbd963e74d 158 {
lawliet 0:8ccbd963e74d 159 serialModem.puts(cmd);
lawliet 0:8ccbd963e74d 160 }
noahmilam 10:8c55dfcc9a7c 161 void Modem::sendCmdResp(const char* cmd)
noahmilam 10:8c55dfcc9a7c 162 {
noahmilam 10:8c55dfcc9a7c 163 serialModem.puts(cmd);
noahmilam 10:8c55dfcc9a7c 164 getResp();
noahmilam 10:8c55dfcc9a7c 165 }
noahmilam 10:8c55dfcc9a7c 166 void Modem::getResp()
noahmilam 10:8c55dfcc9a7c 167 {
noahmilam 10:8c55dfcc9a7c 168 char buffer[1000];
noahmilam 10:8c55dfcc9a7c 169 int count = 0;
noahmilam 10:8c55dfcc9a7c 170 timeCnt.start();
noahmilam 10:8c55dfcc9a7c 171 while(timeCnt.read() < 5)
noahmilam 10:8c55dfcc9a7c 172 { while(serialModem.readable()) {
noahmilam 10:8c55dfcc9a7c 173 char c = serialModem.getc();
noahmilam 10:8c55dfcc9a7c 174 buffer[count++] = c;
noahmilam 10:8c55dfcc9a7c 175 }
noahmilam 10:8c55dfcc9a7c 176 }
noahmilam 10:8c55dfcc9a7c 177 timeCnt.stop();
noahmilam 10:8c55dfcc9a7c 178 timeCnt.reset();
noahmilam 10:8c55dfcc9a7c 179 buffer[count] = '\0';
noahmilam 10:8c55dfcc9a7c 180 printf("%s \n",buffer);
noahmilam 10:8c55dfcc9a7c 181 for(int i = 0; i < count+2; i++) {
noahmilam 10:8c55dfcc9a7c 182 buffer[i] = NULL;
noahmilam 10:8c55dfcc9a7c 183 }
noahmilam 10:8c55dfcc9a7c 184 count = 0;
noahmilam 10:8c55dfcc9a7c 185 }
noahmilam 10:8c55dfcc9a7c 186
lawliet 0:8ccbd963e74d 187
lawliet 0:8ccbd963e74d 188 void Modem::sendATTest(void)
lawliet 0:8ccbd963e74d 189 {
lawliet 0:8ccbd963e74d 190 sendCmdAndWaitForResp("AT\r\n","OK",DEFAULT_TIMEOUT,CMD);
lawliet 0:8ccbd963e74d 191 }
lawliet 0:8ccbd963e74d 192
lawliet 0:8ccbd963e74d 193 bool Modem::respCmp(const char *resp, unsigned int len, unsigned int timeout)
lawliet 0:8ccbd963e74d 194 {
lawliet 0:8ccbd963e74d 195 int sum=0;
lawliet 0:8ccbd963e74d 196 timeCnt.start();
lawliet 0:8ccbd963e74d 197
lawliet 0:8ccbd963e74d 198 while(1) {
lawliet 0:8ccbd963e74d 199 if(serialModem.readable()) {
lawliet 0:8ccbd963e74d 200 char c = serialModem.getc();
lawliet 0:8ccbd963e74d 201 sum = (c==resp[sum]) ? sum+1 : 0;
lawliet 0:8ccbd963e74d 202 if(sum == len)break;
lawliet 0:8ccbd963e74d 203 }
lawliet 0:8ccbd963e74d 204 if(timeCnt.read() > timeout) {
lawliet 0:8ccbd963e74d 205 timeCnt.stop();
lawliet 0:8ccbd963e74d 206 timeCnt.reset();
lawliet 0:8ccbd963e74d 207 return false;
lawliet 0:8ccbd963e74d 208 }
lawliet 0:8ccbd963e74d 209 }
lawliet 0:8ccbd963e74d 210 timeCnt.stop();
lawliet 0:8ccbd963e74d 211 timeCnt.reset();
lawliet 0:8ccbd963e74d 212
lawliet 0:8ccbd963e74d 213 return true;
lawliet 0:8ccbd963e74d 214 }
lawliet 0:8ccbd963e74d 215
lawliet 0:8ccbd963e74d 216 int Modem::waitForResp(const char *resp, unsigned int timeout,DataType type)
lawliet 0:8ccbd963e74d 217 {
lawliet 0:8ccbd963e74d 218 int len = strlen(resp);
lawliet 0:8ccbd963e74d 219 int sum=0;
lawliet 0:8ccbd963e74d 220 timeCnt.start();
lawliet 0:8ccbd963e74d 221
lawliet 0:8ccbd963e74d 222 while(1) {
lawliet 0:8ccbd963e74d 223 if(serialModem.readable()) {
lawliet 0:8ccbd963e74d 224 char c = serialModem.getc();
lawliet 0:8ccbd963e74d 225 sum = (c==resp[sum]) ? sum+1 : 0;
lawliet 0:8ccbd963e74d 226 if(sum == len)break;
lawliet 0:8ccbd963e74d 227 }
lawliet 0:8ccbd963e74d 228 if(timeCnt.read() > timeout) {
lawliet 0:8ccbd963e74d 229 timeCnt.stop();
lawliet 0:8ccbd963e74d 230 timeCnt.reset();
lawliet 0:8ccbd963e74d 231 return -1;
lawliet 0:8ccbd963e74d 232 }
lawliet 0:8ccbd963e74d 233 }
lawliet 0:8ccbd963e74d 234 timeCnt.stop();
lawliet 0:8ccbd963e74d 235 timeCnt.reset();
lawliet 0:8ccbd963e74d 236
lawliet 0:8ccbd963e74d 237 if(type == CMD) {
lawliet 0:8ccbd963e74d 238 while(serialModem.readable()) {
lawliet 0:8ccbd963e74d 239 char c = serialModem.getc();
lawliet 0:8ccbd963e74d 240 }
lawliet 0:8ccbd963e74d 241 }
lawliet 0:8ccbd963e74d 242
lawliet 0:8ccbd963e74d 243 return 0;
lawliet 0:8ccbd963e74d 244 }
lawliet 0:8ccbd963e74d 245
lawliet 0:8ccbd963e74d 246 int Modem::sendCmdAndWaitForResp(const char* data, const char *resp, unsigned timeout,DataType type)
lawliet 0:8ccbd963e74d 247 {
lawliet 0:8ccbd963e74d 248 sendCmd(data);
lawliet 0:8ccbd963e74d 249 return waitForResp(resp,timeout,type);
lawliet 0:8ccbd963e74d 250 }