Jonathan Jones / Mbed 2 deprecated Radios

Radio Structures in OOP

Dependencies:   mbed mbed-rtos

utils/FirmwareCheck/FirmwareCheck.cpp@2:7d523bdd2f50, 2014-12-28 (annotated)

Committer:
jjones646
Date:
Sun Dec 28 06:05:17 2014 +0000
Revision:
2:7d523bdd2f50
Child:
3:dc7e9c6bc26c
outlining communication implementations

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jjones646 2:7d523bdd2f50 1 #include "FirmwareCheck.h"
jjones646 2:7d523bdd2f50 2
jjones646 2:7d523bdd2f50 3 std::string firmware_version(void)
jjones646 2:7d523bdd2f50 4 {
jjones646 2:7d523bdd2f50 5 FILE *fwp = fopen("/local/MBED.HTM", "r"); // open the mbed's default file to determine the mbed firmware version
jjones646 2:7d523bdd2f50 6 char temp_buf[300];
jjones646 2:7d523bdd2f50 7 std::string firmware;
jjones646 2:7d523bdd2f50 8 while( fgets(temp_buf, 300, fwp) != NULL ) {
jjones646 2:7d523bdd2f50 9 std::string temp_string(temp_buf);
jjones646 2:7d523bdd2f50 10
jjones646 2:7d523bdd2f50 11 if( temp_string.find("<meta ") != std::string::npos ) {
jjones646 2:7d523bdd2f50 12
jjones646 2:7d523bdd2f50 13 // the word that we need to find the position of
jjones646 2:7d523bdd2f50 14 std::string search_word( "&firmware=" );
jjones646 2:7d523bdd2f50 15
jjones646 2:7d523bdd2f50 16 // find the initial position from the keyword we're looking for
jjones646 2:7d523bdd2f50 17 std::size_t pos1 = temp_string.find(search_word) + search_word.length();
jjones646 2:7d523bdd2f50 18
jjones646 2:7d523bdd2f50 19 // create substring starting AFTER `&firmware=` and going to the end of the line
jjones646 2:7d523bdd2f50 20 std::string sub_str( temp_string.substr(pos1) );
jjones646 2:7d523bdd2f50 21
jjones646 2:7d523bdd2f50 22 // now find the position of the next `&` character from the sub string
jjones646 2:7d523bdd2f50 23 std::size_t pos2 = sub_str.find("&");
jjones646 2:7d523bdd2f50 24
jjones646 2:7d523bdd2f50 25 // parse out the firmware's version number
jjones646 2:7d523bdd2f50 26 firmware = sub_str.substr(0, pos2);
jjones646 2:7d523bdd2f50 27 break;
jjones646 2:7d523bdd2f50 28 }
jjones646 2:7d523bdd2f50 29 }
jjones646 2:7d523bdd2f50 30 // close the file handle
jjones646 2:7d523bdd2f50 31 fclose(fwp);
jjones646 2:7d523bdd2f50 32
jjones646 2:7d523bdd2f50 33 return firmware;
jjones646 2:7d523bdd2f50 34 }