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/*
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Copyright (c) 2010 ARM Limited
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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*/
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/*
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This is the main file for this project.
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*/
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//Core libs
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#include "mbed.h"
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//Config
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#include "Config_Common.h"
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#include "Config_Impl.h"
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//RFID
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#include "RWDMifare.h"
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//Network
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#include "NTPClient.h" //To setup RTC
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//The MySQL Client is included in logger.h
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//Logging
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#include "taginfo.h"
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#include "logger.h"
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//UI
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#include "beep.h"
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#define MAX_UID_LEN 10 //Mifare max UID length is 10 bytes (triple-uid)
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//Implemented by the interface-specific demos
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int network_init();
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int network_close();
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RWDMifare reader(p13, p14, p12);
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Serial pc (USBTX,USBRX);
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DigitalIn exitBtn(p19);
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Beep beep(p20);
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NTPClient ntp;
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Logger logger(SQL_TABLE);
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extern "C" void HardFault_Handler() { printf("Hard Fault!\n"); error(""); }
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//Main routine
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int main() {
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pc.baud(115200); //Set bitrate for debug output
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//Init Mifare Reader
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RWDMifare::RWDMifareErr readerErr = reader.init();
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if(readerErr)
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{
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beep.beep(Beep::TONE_ERR);
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printf("Could not init reader (error %d)\n", readerErr);
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return -1;
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}
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//Open network connection
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int netRc = network_init();
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if(netRc)
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{
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beep.beep(Beep::TONE_ERR);
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printf("Could not init network interface\n");
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return -1;
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}
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//Setup the mbed's RTC
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NTPResult ntpResult;
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Host ntpServer(IpAddr(), 123, NTP_SERVER);
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do
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{
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ntpResult = ntp.setTime(ntpServer);
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if(ntpResult)
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{
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beep.beep(Beep::TONE_WARN);
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printf("Could not get time...\n");
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wait(5.);
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}
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} while(ntpResult);
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//Check time
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time_t ctTime = time(NULL);
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printf("Time is now (UTC) : %s\n", ctime(&ctTime));
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Host sqlServer(SQL_SERVER_IP, 3306, SQL_SERVER);
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const int locationId = LOCATION_ID; //This is the location id that will be sent on each req to the SQL server
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printf("Starting main loop...\n");
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bool connected = false;
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#if SDCARD
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logger.fileOpen(LOG_FILE); //Open file on SD card
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#endif
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beep.beep(Beep::TONE_OK);
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uint8_t uid[MAX_UID_LEN]; //Buffer for uid
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uint8_t lastUid[MAX_UID_LEN] = {0}; //Buffer for previous uid
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size_t uidLen;
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size_t lastUidLen = 0;
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while (!exitBtn.read()) //Main loop
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{
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if((!logger.isEmpty())&&(!logger.isConnecting())&&(!logger.isConnected())) //If logger is not ready, check its status
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{
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if(logger.connectionError()) //Error connecting to the server?
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{
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printf("Connection error (error code %d).\n", logger.getLastResult());
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beep.beep(Beep::TONE_WARN);
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}
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printf("Connecting to SQL Server...\n");
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logger.sqlOpen(sqlServer, SQL_USER, SQL_PASSWORD, SQL_DB); //Open a connection to server
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connected = false;
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}
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if((!connected)&&logger.isConnected()) //We are now connected
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{
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connected = true;
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printf("Connected to SQL Server...\n");
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beep.beep(Beep::TONE_OK);
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}
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if(!reader.getUID(uid, &uidLen)) //Got an UID successfully
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{
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uidLen = (uidLen<10)?uidLen:10; //Check length
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if( (uidLen != lastUidLen) || !!memcmp(lastUid, uid, uidLen) ) //Compare UID with previous one
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{
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beep.beep(Beep::TONE_INFO);
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printf("Tag ID = ");
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for(int i = 0; i < uidLen; i++)
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printf("%02x ", uid[i]);
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printf("\n");
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time_t timestamp = time(NULL);
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timestamp += TIME_ZONE*3600;
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TagInfo tagInfo(uid, uidLen, locationId, timestamp); //Setup infos for data logging
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logger.log(&tagInfo); //Pass data to logger
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//Save uid to avoid duplicate db entries
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memcpy(lastUid, uid, uidLen);
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lastUidLen = uidLen;
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}
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}
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else //No card present
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{
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lastUidLen = 0; //Last logged card is now out of field
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}
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logger.service(); //Process logger service
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}
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printf("Stopping...\n");
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//Close everything nicely
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logger.sqlClose();
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#if SDCARD
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logger.fileClose();
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#endif
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network_close();
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printf("End.\n");
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beep.beep(Beep::TONE_OK);
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while(1);
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}
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Donatien Garnier
RWD RFID Module