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);
+  
+}