Joe Greubel
ECE 4180 Georiga Tech - Smart House Project: mbed1 (v1)
Dependencies: Camera_LS_Y201 Servo mbed
Fork of
mbed1
by 
Joe Greubel
Revision 0:0b4164532b17, committed 2013-04-18
- Comitter:
- Jgreub
- Date:
- Thu Apr 18 02:35:53 2013 +0000
- Child:
- 1:547b5918a132
- Commit message:
- ECE 4180 - Smart House Project: mbed1
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Camera_LS_Y201.lib Thu Apr 18 02:35:53 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/shintamainjp/code/Camera_LS_Y201/#43358d40f879
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Servo.lib Thu Apr 18 02:35:53 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/Servo/#36b69a7ced07
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Thu Apr 18 02:35:53 2013 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/5e5da4a5990b \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed1.cpp Thu Apr 18 02:35:53 2013 +0000
@@ -0,0 +1,229 @@
+/**********************************
+MBED1: Contains code for ->
+1) Servo for Door Lock
+2) JPG Camera (URL: http://mbed.org/cookbook/Camera_LS_Y201)
+3) Distance Sensor
+4) Lock LED / Pushbutton
+
+Sends to Atom w/o Command:
+1) BreakIn -> Signal and Pic
+2) Door Open
+3) Door Close
+***********************************/
+#include "mbed.h"
+#include "Camera_LS_Y201.h"
+#include "Servo.h"
+
+Serial pc(USBTX,USBRX);
+Servo servo(p21);
+AnalogIn door(p20);
+Camera_LS_Y201 cam(p9, p10);
+DigitalOut lockLED(p11); //1 = locked
+
+//Pushbuttons
+InterruptIn lockPB(p12);
+
+//Globals
+FILE *picture;
+char signal;
+int isDoorOpen;
+int isDoorLocked;
+
+
+
+
+
+
+
+
+/***************************************/
+/* HELPER FUNCTIONS */
+/***************************************/
+void servoLockDoor() {
+ servo = 0;
+ lockLED = 1;
+}
+void servoUnlockDoor() {
+ servo = .5;
+ lockLED = 0;
+}
+
+
+inline void sendID() {pc.putc('1');}
+inline int checkLock() {return isDoorLocked;}
+inline float checkDist() {return door;}
+
+void writePic(int done, int total, uint8_t *buf, size_t siz) {
+ fwrite(buf, siz, 1, picture);
+}
+
+void capture() {
+ cam.takePicture();
+ picture = freopen("pic.jpg", "w", picture);
+ cam.readJpegFileContent(writePic);
+ cam.stopTakingPictures();
+ fclose(picture);
+}
+
+void lockPushed() {
+ char out[50];
+ if(checkLock()) {
+ servoUnlockDoor();
+ isDoorLocked = 0;
+ sprintf(out, "USERUNLOCK\n\r");
+ }
+ else {
+ servoLockDoor();
+ isDoorLocked = 1;
+ sprintf(out, "USERLOCK\n\r");
+ }
+}
+
+void sendCurrPic() {
+ char buff[200];
+ capture();
+ picture = freopen("pic.jpg", "r", picture);
+ pc.printf("SENDINGPIC\n\r");
+ while(fgets(buff, 200, picture)) {
+ pc.printf(buff);
+ }
+ pc.printf("PICSENT\n\r");
+}
+
+void breakIn() {
+ char out[50];
+ sprintf(out, "BREAKIN\n\r");
+ pc.printf(out);
+ sendCurrPic();
+}
+
+void lockDoor() {
+ char out[50];
+ if(isDoorLocked) {
+ sprintf(out, "ALREADYLOCKED\n\r");
+ }
+ else {
+ servoLockDoor();
+ isDoorLocked = 1;
+ sprintf(out, "NOWLOCKED\n\r");
+ }
+ pc.printf(out);
+}
+
+void unlockDoor() {
+ char out[50];
+ if(!isDoorLocked) {
+ sprintf(out, "ALREADYUNLOCKED\n\r");
+ }
+ else {
+ servoUnlockDoor();
+ isDoorLocked = 0;
+ sprintf(out, "NOWUNLOCKED\n\r");
+ }
+ pc.printf(out);
+}
+
+void sendCheckLock() {
+ char out[50];
+ sprintf(out,"LOCK:%d\n\r", checkLock());
+ pc.printf(out);
+}
+
+void sendCheckDist() {
+ char out[50];
+ sprintf(out,"DIST:%0.3f\n\r", checkDist());
+ pc.printf(out);
+}
+
+void sendFullStatus() {
+ char out[50];
+ sprintf(out,"LOCK:%d|DIST:%0.3f\n\r", checkLock(), checkDist());
+ pc.printf(out);
+}
+
+void getMessage() {
+ //Check for Message
+ signal = pc.getc();
+
+ //Switch on Buffer
+ switch(signal) {
+ case 'Z':
+ sendID();
+ break;
+ case '~':
+ sendFullStatus();
+ break;
+ case 'a':
+ sendCheckDist();
+ break;
+ case 'b':
+ sendCheckLock();
+ break;
+ case 'c':
+ lockDoor();
+ break;
+ case 'd':
+ unlockDoor();
+ break;
+ case 'p':
+ sendCurrPic();
+ break;
+ default:
+ pc.printf("BADCOMMAND\n\r");
+ break;
+ }
+}
+
+
+
+
+
+
+
+
+
+
+/***************************************/
+/* MAIN */
+/***************************************/
+int main() {
+ //Variables
+ int DOOR_DISTANCE = door + .05;
+
+ //Setup
+ lockLED = 0;
+ cam.reset();
+ servo = 0;
+
+ //Setup for freopen
+ picture = fopen("pic.jpg", "w");
+ fclose(picture);
+
+ //Setup Interrupts
+ pc.attach(&getMessage);
+ lockPB.rise(&lockPushed);
+
+ while(1) {
+
+ //Check Door Dist and Send if needed
+ if(isDoorOpen) {
+ if(door < DOOR_DISTANCE) {
+ isDoorOpen = 0;
+ pc.printf("DOORCLOSE");
+ }
+ }
+ else {
+ if(door > DOOR_DISTANCE) {
+ isDoorOpen = 1;
+ if(isDoorLocked) {
+ breakIn(); //Break In!
+ }
+ else {
+ pc.printf("DOOROPEN");
+ }
+ }
+ }
+ wait_ms(50);
+
+ } // End While(1)
+}
\ No newline at end of file