Marcelo Rebonatto / Mbed 2 deprecated ptgm_semDMA

Versão estável sem DMA e FFT. 128 amostras.

Dependencies:   EthernetInterface NTPClient mbed-rtos mbed

Codes/TelnetCommands/telnet_update.cpp@0:fac116e94d44, 2016-01-05 (annotated)

Committer:
rebonatto
Date:
Tue Jan 05 11:47:35 2016 +0000
Revision:
0:fac116e94d44
Vers?o est?vel sem DMA e FFT. 128 amostras.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
rebonatto 0:fac116e94d44 1 #include "TelnetServer.h"
rebonatto 0:fac116e94d44 2 #include "Settings.h"
rebonatto 0:fac116e94d44 3 #include "Pmed_reset.h"
rebonatto 0:fac116e94d44 4
rebonatto 0:fac116e94d44 5 char *header_msg = "firmware update\r\n\r\n";
rebonatto 0:fac116e94d44 6 char *usage_msg = "Wrong arguments\r\nUsage: update <firmware filename>\r\n\r\n";
rebonatto 0:fac116e94d44 7 char *invalid_filename_msg = "Invalid filename. It must have at most 8 characters in the name and 3 in the extension\r\n\r\n";
rebonatto 0:fac116e94d44 8 char *file_does_not_exist_msg = "A file with the supplied filename does not exist.\r\n\r\n";
rebonatto 0:fac116e94d44 9 char *version_does_not_exist_msg = "Could not open version.txt. The update operation cannot continue.\r\n\r\n";
rebonatto 0:fac116e94d44 10 char *unable_to_create_remove_msg = "Unable to create remove.txt. The update operation cannot continue.\r\n\r\n";
rebonatto 0:fac116e94d44 11 char *unable_to_truncate_version_msg = "Unable to truncate version.txt. The update operation cannot continue.\r\n\r\n";
rebonatto 0:fac116e94d44 12 char *operation_successful_msg = "Operation was completed successfully. Now resetting...\r\n\r\n";
rebonatto 0:fac116e94d44 13
rebonatto 0:fac116e94d44 14 extern LocalFileSystem local;
rebonatto 0:fac116e94d44 15
rebonatto 0:fac116e94d44 16 int TelnetServer::UpdateCommand(TCPSocketConnection *conn,char** argv,int argc)
rebonatto 0:fac116e94d44 17 {
rebonatto 0:fac116e94d44 18 char old_filename[20];
rebonatto 0:fac116e94d44 19 char new_filename[20];
rebonatto 0:fac116e94d44 20
rebonatto 0:fac116e94d44 21 conn->send(header_msg,strlen(header_msg));
rebonatto 0:fac116e94d44 22 //0 - check if the file informed exists
rebonatto 0:fac116e94d44 23 if(argc != 2)
rebonatto 0:fac116e94d44 24 {
rebonatto 0:fac116e94d44 25 conn->send(usage_msg,strlen(usage_msg));
rebonatto 0:fac116e94d44 26 return 0;
rebonatto 0:fac116e94d44 27 }
rebonatto 0:fac116e94d44 28
rebonatto 0:fac116e94d44 29 strcpy(new_filename,"/local/");
rebonatto 0:fac116e94d44 30 strcat(new_filename,argv[1]);
rebonatto 0:fac116e94d44 31 new_filename[19] = '\0';
rebonatto 0:fac116e94d44 32 printf("New filename = %s\n",new_filename);
rebonatto 0:fac116e94d44 33
rebonatto 0:fac116e94d44 34 if(strlen(new_filename) > 19)
rebonatto 0:fac116e94d44 35 {
rebonatto 0:fac116e94d44 36 conn->send(invalid_filename_msg,strlen(invalid_filename_msg));
rebonatto 0:fac116e94d44 37 return 0;
rebonatto 0:fac116e94d44 38 }
rebonatto 0:fac116e94d44 39
rebonatto 0:fac116e94d44 40 FILE* fn = fopen(new_filename,"r");
rebonatto 0:fac116e94d44 41 if(fn == NULL)
rebonatto 0:fac116e94d44 42 {
rebonatto 0:fac116e94d44 43 conn->send(file_does_not_exist_msg,strlen(file_does_not_exist_msg));
rebonatto 0:fac116e94d44 44 return 0;
rebonatto 0:fac116e94d44 45 }
rebonatto 0:fac116e94d44 46 fclose(fn);
rebonatto 0:fac116e94d44 47
rebonatto 0:fac116e94d44 48 //1 - write remove.txt with the current FW filename
rebonatto 0:fac116e94d44 49 fn = fopen("/local/version.txt","r");
rebonatto 0:fac116e94d44 50 if(fn == NULL)
rebonatto 0:fac116e94d44 51 {
rebonatto 0:fac116e94d44 52 conn->send(version_does_not_exist_msg,strlen(version_does_not_exist_msg));
rebonatto 0:fac116e94d44 53 return 0;
rebonatto 0:fac116e94d44 54 }
rebonatto 0:fac116e94d44 55 int rd = fread(old_filename,1,19,fn);
rebonatto 0:fac116e94d44 56 old_filename[rd]='\0';
rebonatto 0:fac116e94d44 57 fclose(fn);
rebonatto 0:fac116e94d44 58
rebonatto 0:fac116e94d44 59 fn = fopen("/local/remove.txt","w");
rebonatto 0:fac116e94d44 60 if(fn == NULL)
rebonatto 0:fac116e94d44 61 {
rebonatto 0:fac116e94d44 62 conn->send(unable_to_create_remove_msg,strlen(unable_to_create_remove_msg));
rebonatto 0:fac116e94d44 63 return 0;
rebonatto 0:fac116e94d44 64 }
rebonatto 0:fac116e94d44 65 fwrite(old_filename,1,strlen(old_filename),fn);
rebonatto 0:fac116e94d44 66 fclose(fn);
rebonatto 0:fac116e94d44 67
rebonatto 0:fac116e94d44 68 //2 - write version.txt with the new FW filename
rebonatto 0:fac116e94d44 69 fn = fopen("/local/version.txt","w");
rebonatto 0:fac116e94d44 70 if(fn == NULL)
rebonatto 0:fac116e94d44 71 {
rebonatto 0:fac116e94d44 72 conn->send(unable_to_truncate_version_msg,strlen(unable_to_truncate_version_msg));
rebonatto 0:fac116e94d44 73 return 0;
rebonatto 0:fac116e94d44 74 }
rebonatto 0:fac116e94d44 75 fwrite(new_filename,1,strlen(new_filename),fn);
rebonatto 0:fac116e94d44 76 fclose(fn);
rebonatto 0:fac116e94d44 77
rebonatto 0:fac116e94d44 78 //3 - remove the old fw file
rebonatto 0:fac116e94d44 79 local.remove(old_filename);
rebonatto 0:fac116e94d44 80
rebonatto 0:fac116e94d44 81 //4 - remove remove.txt
rebonatto 0:fac116e94d44 82 local.remove("remove.txt");
rebonatto 0:fac116e94d44 83
rebonatto 0:fac116e94d44 84 conn->send(operation_successful_msg,strlen(operation_successful_msg));
rebonatto 0:fac116e94d44 85
rebonatto 0:fac116e94d44 86 //5 - reset
rebonatto 0:fac116e94d44 87 delete conn;
rebonatto 0:fac116e94d44 88
rebonatto 0:fac116e94d44 89 Pmed_reset(PMEDLOG_UPDATETELNET);
rebonatto 0:fac116e94d44 90
rebonatto 0:fac116e94d44 91 return 0;
rebonatto 0:fac116e94d44 92 }