trivial RFID tag database
Diff: ReportDB.cpp
- Revision:
- 3:ea6ac7464011
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/ReportDB.cpp Wed Sep 24 18:52:53 2014 +0000 @@ -0,0 +1,115 @@ +/* Copyright C2014 ARM, MIT License + * + * Permission is hereby granted, free of charge, to any person obtaining a copy of this software + * and associated documentation files the "Software", to deal in the Software without restriction, + * including without limitation the rights to use, copy, modify, merge, publish, distribute, + * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all copies or + * substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING + * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + #include "ReportDB.h" + + // min function + extern "C" int min(int val1,int val2) { + if (val1 < val2) return val1; + return val2; + } + + // constructor + ReportDB::ReportDB() { + this->initDB(); + } + + // destructor + ReportDB::~ReportDB() { + } + + // lookup and return a report + ReportEntry *ReportDB::lookup(int rfid) { + ReportEntry *entry = NULL; + bool found = false; + + // linear search through the list until we end or find something... + for(int i=0;i<DB_MAX_NUM_REPORTS &&!found;++i) { + if (this->m_db[i].rfid == rfid) { + found = true; + entry = &(this->m_db[i]); + } + } + + return entry; + } + + // lookup a report and return its name + char *ReportDB::lookupReportName(int rfid) { + ReportEntry *entry = this->lookup(rfid); + if (entry != NULL) return entry->name; + return NULL; + } + + // lookup a report and return its description + char *ReportDB::lookupReportDescription(int rfid) { + ReportEntry *entry = this->lookup(rfid); + if (entry != NULL) return entry->description; + return NULL; + } + + // lookup a report and return its condition + char *ReportDB::lookupReportCondition(int rfid) { + ReportEntry *entry = this->lookup(rfid); + if (entry != NULL) return entry->condition; + return NULL; + } + + // lookup a report and return its latitude + char *ReportDB::lookupReportLatitude(int rfid) { + ReportEntry *entry = this->lookup(rfid); + if (entry != NULL) return entry->latitude; + return NULL; + } + + // lookup a report and return its longitude + char *ReportDB::lookupReportLongitude(int rfid) { + ReportEntry *entry = this->lookup(rfid); + if (entry != NULL) return entry->longitude; + return NULL; + } + + // initialize the simple report DB + void ReportDB::initDB() { + // First Report + memset((void *)&(this->m_db[FIRST_REPORT]),0,sizeof(ReportEntry)); + this->m_db[FIRST_REPORT].rfid = FIRST_REPORT_RFID; + strncpy(this->m_db[FIRST_REPORT].name,FIRST_REPORT_NAME,min(strlen(FIRST_REPORT_NAME),DB_MAX_NAME_LENGTH)); + strncpy(this->m_db[FIRST_REPORT].description,FIRST_REPORT_DESCRIPTION,min(strlen(FIRST_REPORT_DESCRIPTION),DB_MAX_DESCRIPTION_LENGTH)); + strncpy(this->m_db[FIRST_REPORT].condition,FIRST_REPORT_CONDITION,min(strlen(FIRST_REPORT_CONDITION),DB_MAX_CONDITION_LENGTH)); + strncpy(this->m_db[FIRST_REPORT].latitude,FIRST_REPORT_LATITUDE,min(strlen(FIRST_REPORT_LATITUDE),DB_MAX_LATLONG_LENGTH)); + strncpy(this->m_db[FIRST_REPORT].longitude,FIRST_REPORT_LONGITUDE,min(strlen(FIRST_REPORT_LONGITUDE),DB_MAX_LATLONG_LENGTH)); + + // Second Report + memset((void *)&(this->m_db[SECOND_REPORT]),0,sizeof(ReportEntry)); + this->m_db[SECOND_REPORT].rfid = SECOND_REPORT_RFID; + strncpy(this->m_db[SECOND_REPORT].name,SECOND_REPORT_NAME,min(strlen(SECOND_REPORT_NAME),DB_MAX_NAME_LENGTH)); + strncpy(this->m_db[SECOND_REPORT].description,SECOND_REPORT_DESCRIPTION,min(strlen(SECOND_REPORT_DESCRIPTION),DB_MAX_DESCRIPTION_LENGTH)); + strncpy(this->m_db[SECOND_REPORT].condition,SECOND_REPORT_CONDITION,min(strlen(SECOND_REPORT_CONDITION),DB_MAX_CONDITION_LENGTH)); + strncpy(this->m_db[SECOND_REPORT].latitude,SECOND_REPORT_LATITUDE,min(strlen(SECOND_REPORT_LATITUDE),DB_MAX_LATLONG_LENGTH)); + strncpy(this->m_db[SECOND_REPORT].longitude,SECOND_REPORT_LONGITUDE,min(strlen(SECOND_REPORT_LONGITUDE),DB_MAX_LATLONG_LENGTH)); + + // Third Report + memset((void *)&(this->m_db[THIRD_REPORT]),0,sizeof(ReportEntry)); + this->m_db[THIRD_REPORT].rfid = THIRD_REPORT_RFID; + strncpy(this->m_db[THIRD_REPORT].name,THIRD_REPORT_NAME,min(strlen(THIRD_REPORT_NAME),DB_MAX_NAME_LENGTH)); + strncpy(this->m_db[THIRD_REPORT].description,THIRD_REPORT_DESCRIPTION,min(strlen(THIRD_REPORT_DESCRIPTION),DB_MAX_DESCRIPTION_LENGTH)); + strncpy(this->m_db[THIRD_REPORT].condition,THIRD_REPORT_CONDITION,min(strlen(THIRD_REPORT_CONDITION),DB_MAX_CONDITION_LENGTH)); + strncpy(this->m_db[THIRD_REPORT].latitude,THIRD_REPORT_LATITUDE,min(strlen(THIRD_REPORT_LATITUDE),DB_MAX_LATLONG_LENGTH)); + strncpy(this->m_db[THIRD_REPORT].longitude,THIRD_REPORT_LONGITUDE,min(strlen(THIRD_REPORT_LONGITUDE),DB_MAX_LATLONG_LENGTH)); + } \ No newline at end of file