Sergei Bobyr
RFID Cat Door Project
Dependencies: EthernetNetIf TextLCD mbed HTTPServer ID12RFID
Revision 1:25a4acc15210, committed 2011-08-23
- Comitter:
- sbobyr
- Date:
- Tue Aug 23 19:09:20 2011 +0000
- Parent:
- 0:de1f8e99ef60
- Child:
- 2:9cc95c486c7b
- Commit message:
- Internet control implemented. System can be locked down remotely
Changed in this revision
| main.cpp | Show annotated file Show diff for this revision Revisions of this file |
--- a/main.cpp Mon Aug 22 10:23:21 2011 +0000
+++ b/main.cpp Tue Aug 23 19:09:20 2011 +0000
@@ -1,104 +1,42 @@
// RFID Cat Door Project
+//#define NO_HW
+
#include "mbed.h"
#include "ID12RFID.h"
#include "TextLCD.h"
#include "EthernetNetIf.h"
#include "HTTPServer.h"
#include "HTTPRequestHandler.h"
-#include "dbg/dbg.h"
#include <string>
-TextLCD lcd(p24, p26, p27, p28, p29, p30);
-
EthernetNetIf eth;
HTTPServer svr;
-
-enum Event {DoorOpenEvent, DoorClosedEvent, ProximityEvent, AuthTagReadEvent, DoorUnlockedTimeoutEvent, None};
-Event event;
+class CatDoorHandler;
-struct cat {
- int tag;
- string name;
- bool bIsIn;
-};
+enum Event { DoorOpenEvent, DoorClosedEvent, ProximityEvent, AuthTagReadEvent, DoorUnlockedTimeoutEvent, None };
+string eventNames[] = { "DoorOpen", "DoorClosed", "Proximity", "AuthTagRead", "DoorUnlockedTimeout", "None" };
+Event event = None;
-cat cats_list[] = {
- {5454121, "Yellow", true},
- //{9733970, "Blue", true},
- //{463733, "Red", true}
-};
-int cats_count = sizeof(cats_list)/sizeof(cat);
+enum State { DoorLockedClosed, DoorUnlockedClosed, DoorUnlockedOpen };
+string stateNames[] = { "Door Locked & Closed", "Door Unlocked & Closed", "Door Unlocked & Open" };
+State state = DoorLockedClosed;
-class CatDoorHandler : public HTTPRequestHandler
-{
-public:
- CatDoorHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket) :
- HTTPRequestHandler(rootPath, path, pTCPSocket){}
-
- virtual ~CatDoorHandler(){ DBG("\r\nCatDoorHandler destroyed\r\n"); }
-
- static inline HTTPRequestHandler* inst(const char* rootPath, const char* path, TCPSocket* pTCPSocket)
- { return new CatDoorHandler(rootPath, path, pTCPSocket); }
+bool bLockdown = false;
- virtual void doGet()
- {
- string name = cats_list[0].name;
- DBG("\r\nIn CatDoorHandler::doGet()\r\n");
- string header = "<html><body><h1>RFID Cat Door</h1>";
- string p1 = "<h2><u>Door Status</u></h2>";
- string p2 = (event == DoorOpenEvent) ? "Open" : "Closed";
- string p3 = "<p>Door Status: " + p2 + "</p>";
- string p4 = "<h2><u>Cat Status</u></h2>";
- string p5 = (cats_list[0].bIsIn) ? "Yes" : "No";
- string p6 = "<p>Is " + name + " Inside:" + p5 + "</p>";
- string p7 = "<p><form id='SubmitButton' method='post' action=''>";
- string p8 = "<input type='submit' name='lock' value='Lock System'></form></p>";
- string footer = "</body></html>";
- string resp = header + p1 + p3 + p4 + p6 + p7 + p8 + footer;
- setContentLen(resp.length());
- respHeaders()["Connection"] = "close";
- writeData(resp.c_str(), resp.length());
- DBG("\r\nExit CatDoorHandler::doGet()\r\n");
- }
+enum Location { Inside, Outside, Unknown };
+string locationNames[] = { "Inside", "Outside", "Unknown" };
- virtual void doPost()
- {
- // Override the system here
- printf("\r\ndoPost\r\n");
- string name = cats_list[0].name;
- string header = "<html><body><h1>RFID Cat Door</h1>";
- string p1 = "<p>System Locked</p>";
- string footer = "</body></html>";
- string resp = header + p1 + footer;
- setContentLen(resp.length());
- respHeaders()["Connection"] = "close";
- writeData(resp.c_str(), resp.length());
- DBG("\r\nExit CatDoorHandler::doPost()\r\n");
- }
+struct cat { int tag; string name; Location location; };
+cat cats[] = {
+ 5454121, "Yellow", Unknown,
+ //9733970, "Blue", Unknown,
+ //463733, "Red", Unknown
+};
+int catsN = sizeof(cats)/sizeof(cat);
+int catId = 0;
- virtual void doHead()
- {
- printf("\r\ndoHead\r\n");
- }
-
- virtual void onReadable()
- {
- printf("\r\nonReadable\r\n");
- }
-
- virtual void onWriteable()
- {
- DBG("\r\nCatDoorHandler::onWriteable() event\r\n");
- close(); // Data written, we can close the connection
- }
-
- virtual void onClose()
- {
- printf("\r\nonClose\r\n");
- }
-};
-
+TextLCD lcd(p24, p26, p27, p28, p29, p30);
ID12RFID rfid(p14); // uart rx for ID-12 RFID reader
DigitalIn _door_open(p17); // 0 indicates door open
DigitalIn _proximity(p16); // 0 indicates an object within 10 cm
@@ -111,24 +49,32 @@
const float LED_DIM = 0.05;
const float LED_BRIGHT = 1;
-
+
+Timer tagReadTimer;
bool IsAuthTagReadEvent() {
if(rfid.readable()) {
int tag = rfid.read();
- rfid_read_led = LED_DIM;
+ tagReadTimer.reset();
+ tagReadTimer.start();
- lcd.cls();
- lcd.locate(0, 0);
- lcd.printf("Tag: %08d", tag);
-
- for (int i = 0; i < cats_count; ++i) {
- if (cats_list[i].tag == tag) {
- lcd.locate(0, 1);
- lcd.printf("%s", cats_list[i].name.c_str());
+ lcd.cls(); lcd.locate(0, 0); lcd.printf("Tag: %08d", tag);
+ for (int i = 0; i < catsN; ++i) {
+ if (cats[i].tag == tag) {
+ catId = i;
+ lcd.locate(0, 1); lcd.printf("Cat: %s", cats[i].name.c_str());
rfid_read_led = LED_BRIGHT;
return true;
}
}
+
+ lcd.locate(0, 1); lcd.printf("Cat: Unknown");
+ rfid_read_led = LED_DIM;
+ }
+ if (tagReadTimer.read() > 5.0) {
+ tagReadTimer.stop();
+ tagReadTimer.reset();
+ rfid_read_led = 0;
+ lcd.cls();
}
return false;
}
@@ -164,7 +110,7 @@
doorClosedTimer.reset();
doorClosedTimer.start();
}
- if (bDoorClosed & doorClosedTimer.read() > 1.0) {
+ if (bDoorClosed & doorClosedTimer.read() > 1.2) {
doorClosedTimer.stop();
doorClosedTimer.reset();
result = true;
@@ -192,28 +138,25 @@
return false;
}
-enum State { DoorLockedClosed, DoorUnlockedClosed, DoorUnlockedOpen };
-enum Approach { Inside, Outside };
-
void CatDoorStateMachine(Event event) {
- static Approach approach = Inside;
- static State state = DoorLockedClosed;
- printf("state: %d, event: %d\n", state, event);
+ static Location destination = Outside;
+ printf("State: %s\t Event: %s\n", stateNames[state].c_str(), eventNames[event].c_str());
switch(state)
{
case DoorLockedClosed :
+ if (bLockdown) break;
switch(event)
{
case ProximityEvent :
UnlockDoor(true);
state = DoorUnlockedClosed;
- approach = Inside;
+ destination = Outside;
break;
case AuthTagReadEvent :
UnlockDoor(true);
state = DoorUnlockedClosed;
- approach = Outside;
+ destination = Inside;
break;
default :
break;
@@ -239,7 +182,7 @@
case DoorClosedEvent :
UnlockDoor(false);
state = DoorLockedClosed;
- cats_list[0].bIsIn = (approach == Inside) ? false : true;
+ cats[catId].location = destination;
break;
default :
break;
@@ -251,35 +194,39 @@
}
int main() {
- lcd.cls();
-
- printf("Setting up...\n");
+ bool bEthPresent = true;
+ lcd.cls(); lcd.locate(0, 0); lcd.printf("RFID Cat Door");
+ lcd.locate(0, 1); lcd.printf("Setting up ^..^");
+ printf("RFID Cat Door\n");
+ printf("Setting up Ethernet ^..^\n");
EthernetErr ethErr = eth.setup();
if (ethErr) {
- printf("Error %d in setup.\n", ethErr);
- return -1;
+ printf("Error %d in Ethernet setup\n", ethErr);
+ printf("Operating in offline mode ^..^\n");
+ lcd.cls(); lcd.printf("Offline mode");
+ bEthPresent = false;
}
- printf("Setup OK\n");
-
- svr.addHandler<CatDoorHandler>("/");
- svr.bind(80);
-
- printf("Listening...\n");
-
- Timer tm;
- tm.start();
+ else {
+ printf("Ethernet setup OK\n");
+ printf("Operating in online mode ^..^\n");
+ IpAddr ip = eth.getIp();
+ lcd.cls(); lcd.locate(0, 0); lcd.printf("Online mode, IP:");
+ lcd.locate(0, 1); lcd.printf("%d.%d.%d.%d", ip[0], ip[1], ip[2], ip[3]);
+
+ svr.addHandler<CatDoorHandler>("/");
+ svr.bind(80);
+ }
while(1) {
- Net::poll();
- if (tm.read() > 0.5) {
- tm.start();
- }
-
+ if (bEthPresent)
+ Net::poll();
+
+#ifndef NO_HW
if (IsAuthTagReadEvent()) {
event = AuthTagReadEvent;
CatDoorStateMachine(event);
}
-
+#endif
if (IsProximityEvent()) {
event = ProximityEvent;
CatDoorStateMachine(event);
@@ -301,3 +248,46 @@
}
}
}
+
+class CatDoorHandler : public HTTPRequestHandler
+{
+public:
+ CatDoorHandler(const char* rootPath, const char* path, TCPSocket* pTCPSocket) :
+ HTTPRequestHandler(rootPath, path, pTCPSocket){}
+
+ virtual ~CatDoorHandler(){}
+
+ static inline HTTPRequestHandler* inst(const char* rootPath, const char* path, TCPSocket* pTCPSocket)
+ { return new CatDoorHandler(rootPath, path, pTCPSocket); }
+
+ virtual void doGet()
+ {
+ string _path = path();
+ printf("doGet path: %s\n", _path.c_str());
+ bLockdown = (_path.find("lockdown=yes") == string::npos) ? false : true;
+ if (bLockdown) {
+ lcd.cls(); lcd.printf("System Lockdown!");
+ }
+ else {
+ lcd.cls();
+ }
+
+ string rs = "<html><head><title>RFID Cat Door</title></head><body><h3>RFID Cat Door</h3>";
+ string ds = "Door Status: <i>" + stateNames[state] + "</i><br>";
+ string cs = "Cat Status: <i>" + locationNames[cats[catId].location] + "</i><p>";
+ string ld = (bLockdown) ? " checked" : "";
+ string fr = "<form method='get' action=''>"
+ "<input type='checkbox' name='lockdown' value='yes'" + ld + "> Lockdown System <p>"
+ "<input type='submit' value='Submit/Refresh Data'></form></body></html>";
+ rs += ds + cs + fr;
+ setContentLen(rs.length());
+ respHeaders()["Connection"] = "close";
+ writeData(rs.c_str(), rs.length());
+ }
+
+ virtual void doPost() {}
+ virtual void doHead() {}
+ virtual void onReadable() {}
+ virtual void onWriteable() {}
+ virtual void onClose() {}
+};