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RFID tracking with mbed & RS-EDP reference design
Dependencies: RWDModule mbed SDCard
Diff: main.cpp
- Revision:
- 0:fd63457452f4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Jul 28 11:02:36 2010 +0000 @@ -0,0 +1,188 @@ +/* +Copyright (c) 2010 ARM Limited + +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. +*/ + +/* +This is the main file for this project. +*/ + +//Core libs +#include "mbed.h" + +//Config +#include "Config_Common.h" +#include "Config_Impl.h" + +//RFID +#include "RWDMifare.h" + +//Network +#include "NTPClient.h" //To setup RTC +//The MySQL Client is included in logger.h + +//Logging +#include "taginfo.h" +#include "logger.h" + +//UI +#include "beep.h" + +#define MAX_UID_LEN 10 //Mifare max UID length is 10 bytes (triple-uid) + +//Implemented by the interface-specific demos +int network_init(); +int network_close(); + +RWDMifare reader(p13, p14, p12); +Serial pc (USBTX,USBRX); + +DigitalIn exitBtn(p19); + +Beep beep(p20); + +NTPClient ntp; +Logger logger(SQL_TABLE); + +extern "C" void HardFault_Handler() { printf("Hard Fault!\n"); error(""); } + +//Main routine +int main() { + pc.baud(115200); //Set bitrate for debug output + + //Init Mifare Reader + RWDMifare::RWDMifareErr readerErr = reader.init(); + if(readerErr) + { + beep.beep(Beep::TONE_ERR); + printf("Could not init reader (error %d)\n", readerErr); + return -1; + } + + //Open network connection + int netRc = network_init(); + if(netRc) + { + beep.beep(Beep::TONE_ERR); + printf("Could not init network interface\n"); + return -1; + } + + //Setup the mbed's RTC + NTPResult ntpResult; + Host ntpServer(IpAddr(), 123, NTP_SERVER); + do + { + ntpResult = ntp.setTime(ntpServer); + if(ntpResult) + { + beep.beep(Beep::TONE_WARN); + printf("Could not get time...\n"); + wait(5.); + } + } while(ntpResult); + + //Check time + time_t ctTime = time(NULL); + printf("Time is now (UTC) : %s\n", ctime(&ctTime)); + + Host sqlServer(SQL_SERVER_IP, 3306, SQL_SERVER); + + const int locationId = LOCATION_ID; //This is the location id that will be sent on each req to the SQL server + + printf("Starting main loop...\n"); + + bool connected = false; + + #if SDCARD + logger.fileOpen(LOG_FILE); //Open file on SD card + #endif + + beep.beep(Beep::TONE_OK); + + uint8_t uid[MAX_UID_LEN]; //Buffer for uid + uint8_t lastUid[MAX_UID_LEN] = {0}; //Buffer for previous uid + size_t uidLen; + size_t lastUidLen = 0; + + while (!exitBtn.read()) //Main loop + { + if((!logger.isEmpty())&&(!logger.isConnecting())&&(!logger.isConnected())) //If logger is not ready, check its status + { + if(logger.connectionError()) //Error connecting to the server? + { + printf("Connection error (error code %d).\n", logger.getLastResult()); + beep.beep(Beep::TONE_WARN); + } + printf("Connecting to SQL Server...\n"); + logger.sqlOpen(sqlServer, SQL_USER, SQL_PASSWORD, SQL_DB); //Open a connection to server + connected = false; + } + if((!connected)&&logger.isConnected()) //We are now connected + { + connected = true; + printf("Connected to SQL Server...\n"); + beep.beep(Beep::TONE_OK); + } + if(!reader.getUID(uid, &uidLen)) //Got an UID successfully + { + uidLen = (uidLen<10)?uidLen:10; //Check length + if( (uidLen != lastUidLen) || !!memcmp(lastUid, uid, uidLen) ) //Compare UID with previous one + { + beep.beep(Beep::TONE_INFO); + printf("Tag ID = "); + for(int i = 0; i < uidLen; i++) + printf("%02x ", uid[i]); + printf("\n"); + + time_t timestamp = time(NULL); + timestamp += TIME_ZONE*3600; + TagInfo tagInfo(uid, uidLen, locationId, timestamp); //Setup infos for data logging + logger.log(&tagInfo); //Pass data to logger + + //Save uid to avoid duplicate db entries + memcpy(lastUid, uid, uidLen); + lastUidLen = uidLen; + } + } + else //No card present + { + lastUidLen = 0; //Last logged card is now out of field + } + logger.service(); //Process logger service + } + + printf("Stopping...\n"); + + //Close everything nicely + logger.sqlClose(); + + #if SDCARD + logger.fileClose(); + #endif + + network_close(); + + printf("End.\n"); + beep.beep(Beep::TONE_OK); + + while(1); + +}