Testing the module's internet connection (spoiler: it doesn't work) WARNING: this code has been written in a hurry during an hackathon. It's total crap.
Testing the module's internet connection (spoiler: it doesn't work) WARNING: this code has been written in a hurry during an hackathon. It's total crap.
modem.cpp@1:180ed9f09775, 2015-09-19 (annotated)
- Committer:
- gipmad
- Date:
- Sat Sep 19 14:47:39 2015 +0000
- Revision:
- 1:180ed9f09775
- Parent:
- 0:8f9b472ff818
-
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
gipmad | 0:8f9b472ff818 | 1 | /* |
gipmad | 0:8f9b472ff818 | 2 | modem.cpp |
gipmad | 0:8f9b472ff818 | 3 | 2014 Copyright (c) Seeed Technology Inc. All right reserved. |
gipmad | 0:8f9b472ff818 | 4 | |
gipmad | 0:8f9b472ff818 | 5 | Author:lawliet zou(lawliet.zou@gmail.com) |
gipmad | 0:8f9b472ff818 | 6 | 2014-2-24 |
gipmad | 0:8f9b472ff818 | 7 | |
gipmad | 0:8f9b472ff818 | 8 | This library is free software; you can redistribute it and/or |
gipmad | 0:8f9b472ff818 | 9 | modify it under the terms of the GNU Lesser General Public |
gipmad | 0:8f9b472ff818 | 10 | License as published by the Free Software Foundation; either |
gipmad | 0:8f9b472ff818 | 11 | version 2.1 of the License, or (at your option) any later version. |
gipmad | 0:8f9b472ff818 | 12 | |
gipmad | 0:8f9b472ff818 | 13 | This library is distributed in the hope that it will be useful, |
gipmad | 0:8f9b472ff818 | 14 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
gipmad | 0:8f9b472ff818 | 15 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
gipmad | 0:8f9b472ff818 | 16 | Lesser General Public License for more details. |
gipmad | 0:8f9b472ff818 | 17 | |
gipmad | 0:8f9b472ff818 | 18 | You should have received a copy of the GNU Lesser General Public |
gipmad | 0:8f9b472ff818 | 19 | License along with this library; if not, write to the Free Software |
gipmad | 0:8f9b472ff818 | 20 | Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
gipmad | 0:8f9b472ff818 | 21 | */ |
gipmad | 0:8f9b472ff818 | 22 | |
gipmad | 0:8f9b472ff818 | 23 | #include "modem.h" |
gipmad | 0:8f9b472ff818 | 24 | |
gipmad | 0:8f9b472ff818 | 25 | char Modem::readByte(void) |
gipmad | 0:8f9b472ff818 | 26 | { |
gipmad | 0:8f9b472ff818 | 27 | return serialModem.getc(); |
gipmad | 0:8f9b472ff818 | 28 | } |
gipmad | 0:8f9b472ff818 | 29 | |
gipmad | 0:8f9b472ff818 | 30 | bool Modem::readable() |
gipmad | 0:8f9b472ff818 | 31 | { |
gipmad | 0:8f9b472ff818 | 32 | return serialModem.readable(); |
gipmad | 0:8f9b472ff818 | 33 | } |
gipmad | 0:8f9b472ff818 | 34 | |
gipmad | 0:8f9b472ff818 | 35 | int Modem::readBuffer(char *buffer,int count, unsigned int timeOut) |
gipmad | 0:8f9b472ff818 | 36 | { |
gipmad | 0:8f9b472ff818 | 37 | int i = 0; |
gipmad | 0:8f9b472ff818 | 38 | timeCnt.start(); |
gipmad | 0:8f9b472ff818 | 39 | while(1) { |
gipmad | 0:8f9b472ff818 | 40 | while (serialModem.readable()) { |
gipmad | 0:8f9b472ff818 | 41 | char c = serialModem.getc(); |
gipmad | 0:8f9b472ff818 | 42 | buffer[i++] = c; |
gipmad | 0:8f9b472ff818 | 43 | if(i >= count)break; |
gipmad | 0:8f9b472ff818 | 44 | } |
gipmad | 0:8f9b472ff818 | 45 | if(i >= count)break; |
gipmad | 0:8f9b472ff818 | 46 | if(timeCnt.read() > timeOut) { |
gipmad | 0:8f9b472ff818 | 47 | timeCnt.stop(); |
gipmad | 0:8f9b472ff818 | 48 | timeCnt.reset(); |
gipmad | 0:8f9b472ff818 | 49 | break; |
gipmad | 0:8f9b472ff818 | 50 | } |
gipmad | 0:8f9b472ff818 | 51 | } |
gipmad | 0:8f9b472ff818 | 52 | return 0; |
gipmad | 0:8f9b472ff818 | 53 | } |
gipmad | 0:8f9b472ff818 | 54 | |
gipmad | 0:8f9b472ff818 | 55 | void Modem::cleanBuffer(char *buffer, int count) |
gipmad | 0:8f9b472ff818 | 56 | { |
gipmad | 0:8f9b472ff818 | 57 | for(int i=0; i < count; i++) { |
gipmad | 0:8f9b472ff818 | 58 | buffer[i] = '\0'; |
gipmad | 0:8f9b472ff818 | 59 | } |
gipmad | 0:8f9b472ff818 | 60 | } |
gipmad | 0:8f9b472ff818 | 61 | |
gipmad | 0:8f9b472ff818 | 62 | void Modem::sendCmd(const char* cmd) |
gipmad | 0:8f9b472ff818 | 63 | { |
gipmad | 0:8f9b472ff818 | 64 | serialModem.puts(cmd); |
gipmad | 0:8f9b472ff818 | 65 | } |
gipmad | 0:8f9b472ff818 | 66 | |
gipmad | 0:8f9b472ff818 | 67 | void Modem::sendATTest(void) |
gipmad | 0:8f9b472ff818 | 68 | { |
gipmad | 0:8f9b472ff818 | 69 | sendCmdAndWaitForResp("AT\r\n","OK",DEFAULT_TIMEOUT,CMD); |
gipmad | 0:8f9b472ff818 | 70 | } |
gipmad | 0:8f9b472ff818 | 71 | |
gipmad | 0:8f9b472ff818 | 72 | bool Modem::respCmp(const char *resp, unsigned int len, unsigned int timeout) |
gipmad | 0:8f9b472ff818 | 73 | { |
gipmad | 0:8f9b472ff818 | 74 | int sum=0; |
gipmad | 0:8f9b472ff818 | 75 | timeCnt.start(); |
gipmad | 0:8f9b472ff818 | 76 | |
gipmad | 0:8f9b472ff818 | 77 | while(1) { |
gipmad | 0:8f9b472ff818 | 78 | if(serialModem.readable()) { |
gipmad | 0:8f9b472ff818 | 79 | char c = serialModem.getc(); |
gipmad | 0:8f9b472ff818 | 80 | sum = (c==resp[sum]) ? sum+1 : 0; |
gipmad | 0:8f9b472ff818 | 81 | if(sum == len)break; |
gipmad | 0:8f9b472ff818 | 82 | } |
gipmad | 0:8f9b472ff818 | 83 | if(timeCnt.read() > timeout) { |
gipmad | 0:8f9b472ff818 | 84 | timeCnt.stop(); |
gipmad | 0:8f9b472ff818 | 85 | timeCnt.reset(); |
gipmad | 0:8f9b472ff818 | 86 | return false; |
gipmad | 0:8f9b472ff818 | 87 | } |
gipmad | 0:8f9b472ff818 | 88 | } |
gipmad | 0:8f9b472ff818 | 89 | timeCnt.stop(); |
gipmad | 0:8f9b472ff818 | 90 | timeCnt.reset(); |
gipmad | 0:8f9b472ff818 | 91 | |
gipmad | 0:8f9b472ff818 | 92 | return true; |
gipmad | 0:8f9b472ff818 | 93 | } |
gipmad | 0:8f9b472ff818 | 94 | |
gipmad | 0:8f9b472ff818 | 95 | int Modem::waitForResp(const char *resp, unsigned int timeout,DataType type) |
gipmad | 0:8f9b472ff818 | 96 | { |
gipmad | 0:8f9b472ff818 | 97 | int len = strlen(resp); |
gipmad | 0:8f9b472ff818 | 98 | int sum=0; |
gipmad | 0:8f9b472ff818 | 99 | timeCnt.start(); |
gipmad | 0:8f9b472ff818 | 100 | |
gipmad | 0:8f9b472ff818 | 101 | while(1) { |
gipmad | 0:8f9b472ff818 | 102 | if(serialModem.readable()) { |
gipmad | 0:8f9b472ff818 | 103 | char c = serialModem.getc(); |
gipmad | 0:8f9b472ff818 | 104 | |
gipmad | 0:8f9b472ff818 | 105 | |
gipmad | 0:8f9b472ff818 | 106 | pc.putc(c); |
gipmad | 0:8f9b472ff818 | 107 | |
gipmad | 0:8f9b472ff818 | 108 | |
gipmad | 0:8f9b472ff818 | 109 | sum = (c==resp[sum]) ? sum+1 : 0; |
gipmad | 0:8f9b472ff818 | 110 | if(sum == len)break; |
gipmad | 0:8f9b472ff818 | 111 | } |
gipmad | 0:8f9b472ff818 | 112 | if(timeCnt.read() > timeout) { |
gipmad | 0:8f9b472ff818 | 113 | timeCnt.stop(); |
gipmad | 0:8f9b472ff818 | 114 | timeCnt.reset(); |
gipmad | 0:8f9b472ff818 | 115 | return -1; |
gipmad | 0:8f9b472ff818 | 116 | } |
gipmad | 0:8f9b472ff818 | 117 | } |
gipmad | 0:8f9b472ff818 | 118 | timeCnt.stop(); |
gipmad | 0:8f9b472ff818 | 119 | timeCnt.reset(); |
gipmad | 0:8f9b472ff818 | 120 | |
gipmad | 0:8f9b472ff818 | 121 | if(type == CMD) { |
gipmad | 0:8f9b472ff818 | 122 | while(serialModem.readable()) { |
gipmad | 0:8f9b472ff818 | 123 | char c = serialModem.getc(); |
gipmad | 0:8f9b472ff818 | 124 | } |
gipmad | 0:8f9b472ff818 | 125 | } |
gipmad | 0:8f9b472ff818 | 126 | |
gipmad | 0:8f9b472ff818 | 127 | return 0; |
gipmad | 0:8f9b472ff818 | 128 | } |
gipmad | 0:8f9b472ff818 | 129 | |
gipmad | 0:8f9b472ff818 | 130 | int Modem::sendCmdAndWaitForResp(const char* data, const char *resp, unsigned timeout,DataType type) |
gipmad | 0:8f9b472ff818 | 131 | { |
gipmad | 0:8f9b472ff818 | 132 | sendCmd(data); |
gipmad | 0:8f9b472ff818 | 133 | return waitForResp(resp,timeout,type); |
gipmad | 0:8f9b472ff818 | 134 | } |