Inscape / Mbed 2 deprecated xrocusOS

UART Command Parser Time Manager Data Store for SD Card for stm32l476 [it's not Licensed as BSD/GPLx]

Dependencies:   mbed SDFileSystem

common/SDDataStore.cpp@7:9ab8809f9693, 2019-05-11 (annotated)

Committer:
Inscape_ao
Date:
Sat May 11 04:03:33 2019 +0000
Revision:
7:9ab8809f9693
Parent:
6:81a3d517fd56
Child:
10:db2be22bc2f9
add Repeatable Controllor; add Dummy Devicedriver; add Sensing Control Command; (All Host->Device Commands are already implemented)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Inscape_ao 5:a37e3a15444b 1 #include "SDDataStore.h"
Inscape_ao 5:a37e3a15444b 2
Inscape_ao 5:a37e3a15444b 3 /* constructor, pSD, TimeManager */
Inscape_ao 5:a37e3a15444b 4 SDDataStore::SDDataStore(TimeManager *pSetTM)
Inscape_ao 5:a37e3a15444b 5 {
Inscape_ao 6:81a3d517fd56 6 pS = new SDFileSystem(PC_12, PC_11, PC_10, D4, "sd"); // MOSI, MISO, SCK, CS;
Inscape_ao 5:a37e3a15444b 7 pT = pSetTM;
Inscape_ao 5:a37e3a15444b 8 fpCurrent = NULL;
Inscape_ao 5:a37e3a15444b 9 fnameCurrent[0] = '\0';
Inscape_ao 5:a37e3a15444b 10 }
Inscape_ao 5:a37e3a15444b 11
Inscape_ao 5:a37e3a15444b 12 /* destructor */
Inscape_ao 5:a37e3a15444b 13 SDDataStore::~SDDataStore()
Inscape_ao 5:a37e3a15444b 14 {
Inscape_ao 5:a37e3a15444b 15 closeFile();
Inscape_ao 5:a37e3a15444b 16 }
Inscape_ao 5:a37e3a15444b 17
Inscape_ao 5:a37e3a15444b 18 /* for Sensing and Logging generate (prefix)TimeStampFile.(ext)*/
Inscape_ao 5:a37e3a15444b 19 bool SDDataStore::startFileWithTimeStamp(char *prefix, char *ext)
Inscape_ao 5:a37e3a15444b 20 {
Inscape_ao 5:a37e3a15444b 21 char timeStamp[TimeManager::TimeStampLength + 1] = {0};
Inscape_ao 5:a37e3a15444b 22 char fname[MaxPathLength] = {0};
Inscape_ao 5:a37e3a15444b 23 pT->getTimeStamp(timeStamp);
Inscape_ao 5:a37e3a15444b 24 sprintf(fname, "%s%s.%s", prefix, timeStamp, ext);
Inscape_ao 5:a37e3a15444b 25 if (this->checkFileExist(fname) == true) {
Inscape_ao 5:a37e3a15444b 26 this->removeFile(fname);
Inscape_ao 5:a37e3a15444b 27 }
Inscape_ao 5:a37e3a15444b 28 if (this->openFile(fname) != true) {
Inscape_ao 5:a37e3a15444b 29 return false;
Inscape_ao 5:a37e3a15444b 30 }
Inscape_ao 5:a37e3a15444b 31 return true;
Inscape_ao 5:a37e3a15444b 32 }
Inscape_ao 5:a37e3a15444b 33
Inscape_ao 5:a37e3a15444b 34 /* checkFileExist, false=NOT-EXIST, true=EXIST */
Inscape_ao 5:a37e3a15444b 35 bool SDDataStore::checkFileExist(char *fname)
Inscape_ao 5:a37e3a15444b 36 {
Inscape_ao 5:a37e3a15444b 37 FILE *fp;
Inscape_ao 5:a37e3a15444b 38 char filePath[MaxPathLength];
Inscape_ao 5:a37e3a15444b 39 sprintf(filePath, "/sd/%s", fname);
Inscape_ao 5:a37e3a15444b 40 pathTermination(filePath);
Inscape_ao 5:a37e3a15444b 41 fp = fopen(filePath, "r");
Inscape_ao 5:a37e3a15444b 42 if (fp == NULL) {
Inscape_ao 5:a37e3a15444b 43 return false;
Inscape_ao 5:a37e3a15444b 44 }
Inscape_ao 5:a37e3a15444b 45 fclose(fp);
Inscape_ao 5:a37e3a15444b 46 return true;
Inscape_ao 5:a37e3a15444b 47 }
Inscape_ao 5:a37e3a15444b 48
Inscape_ao 5:a37e3a15444b 49 /* removeFile, false=NOT-EXIST, true=EXIST */
Inscape_ao 5:a37e3a15444b 50 void SDDataStore::removeFile(char *fname)
Inscape_ao 5:a37e3a15444b 51 {
Inscape_ao 5:a37e3a15444b 52 char filePath[MaxPathLength];
Inscape_ao 5:a37e3a15444b 53 sprintf(filePath, "/sd/%s", fname);
Inscape_ao 5:a37e3a15444b 54 pathTermination(filePath);
Inscape_ao 5:a37e3a15444b 55 remove(filePath);
Inscape_ao 5:a37e3a15444b 56 }
Inscape_ao 5:a37e3a15444b 57
Inscape_ao 5:a37e3a15444b 58 /* open file at WriteMode FALSE=ERR, TRUE=OK */
Inscape_ao 5:a37e3a15444b 59 bool SDDataStore::openFile(char *fname)
Inscape_ao 5:a37e3a15444b 60 {
Inscape_ao 5:a37e3a15444b 61 FILE *fp;
Inscape_ao 5:a37e3a15444b 62 char filePath[MaxPathLength];
Inscape_ao 5:a37e3a15444b 63 sprintf(filePath, "/sd/%s", fname);
Inscape_ao 5:a37e3a15444b 64 pathTermination(filePath);
Inscape_ao 5:a37e3a15444b 65
Inscape_ao 5:a37e3a15444b 66 fp = fopen(filePath, "w");
Inscape_ao 5:a37e3a15444b 67 if (fp == NULL) {
Inscape_ao 5:a37e3a15444b 68 return false;
Inscape_ao 5:a37e3a15444b 69 }
Inscape_ao 5:a37e3a15444b 70 fpCurrent = fp;
Inscape_ao 5:a37e3a15444b 71 sprintf(fnameCurrent, "%s", fname);
Inscape_ao 5:a37e3a15444b 72 return true;
Inscape_ao 5:a37e3a15444b 73 }
Inscape_ao 5:a37e3a15444b 74
Inscape_ao 5:a37e3a15444b 75 /* get FileName of open file */
Inscape_ao 5:a37e3a15444b 76 char *SDDataStore::getFileName(void)
Inscape_ao 5:a37e3a15444b 77 {
Inscape_ao 5:a37e3a15444b 78 return fnameCurrent;
Inscape_ao 5:a37e3a15444b 79 }
Inscape_ao 5:a37e3a15444b 80
Inscape_ao 5:a37e3a15444b 81 /* get current file pointer */
Inscape_ao 5:a37e3a15444b 82 FILE *SDDataStore::getFilePointer(void)
Inscape_ao 5:a37e3a15444b 83 {
Inscape_ao 5:a37e3a15444b 84 return fpCurrent;
Inscape_ao 5:a37e3a15444b 85 }
Inscape_ao 5:a37e3a15444b 86
Inscape_ao 5:a37e3a15444b 87 /* close file with this Class */
Inscape_ao 5:a37e3a15444b 88 void SDDataStore::syncFile(void)
Inscape_ao 5:a37e3a15444b 89 {
Inscape_ao 5:a37e3a15444b 90 if (fpCurrent != NULL) {
Inscape_ao 5:a37e3a15444b 91 fflush(fpCurrent);
Inscape_ao 5:a37e3a15444b 92 }
Inscape_ao 5:a37e3a15444b 93 }
Inscape_ao 5:a37e3a15444b 94
Inscape_ao 5:a37e3a15444b 95 /* close file with this Class */
Inscape_ao 5:a37e3a15444b 96 void SDDataStore::closeFile(void)
Inscape_ao 5:a37e3a15444b 97 {
Inscape_ao 5:a37e3a15444b 98 if (fpCurrent != NULL) {
Inscape_ao 5:a37e3a15444b 99 fclose(fpCurrent);
Inscape_ao 5:a37e3a15444b 100 fpCurrent = NULL;
Inscape_ao 5:a37e3a15444b 101 fnameCurrent[0] = '\0';
Inscape_ao 5:a37e3a15444b 102 }
Inscape_ao 5:a37e3a15444b 103 }
Inscape_ao 5:a37e3a15444b 104
Inscape_ao 5:a37e3a15444b 105 void SDDataStore::pathTermination(char *pathArray)
Inscape_ao 5:a37e3a15444b 106 {
Inscape_ao 5:a37e3a15444b 107 pathArray[MaxPathLength-1] = '\0';
Inscape_ao 5:a37e3a15444b 108 }