Kunal Patel
Georgia Tech ECE 4180 Final Project
Dependencies: Camera_LS_Y201 FatFileSystem MODSERIAL SDFileSystem SHTx Servo TextLCD mbed
Revision 0:a33b2a7b4222, committed 2012-12-07
- Comitter:
- kpatel70
- Date:
- Fri Dec 07 18:53:48 2012 +0000
- Commit message:
- Final ECE-4180 Project libraries
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Camera_LS_Y201.lib Fri Dec 07 18:53:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/lndv3/code/Camera_LS_Y201/#e92ce527b8b0
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/FatFileSystem.lib Fri Dec 07 18:53:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/kpatel70/code/FatFileSystem/#b12f19dfe9fc
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/MODSERIAL.lib Fri Dec 07 18:53:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/AjK/code/MODSERIAL/#5c45c21f36b7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SDFileSystem.lib Fri Dec 07 18:53:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/kpatel70/code/SDFileSystem/#d4fa6c2697e8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/SHTx.lib Fri Dec 07 18:53:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/NegativeBlack/code/SHTx/#8465801be23f
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Servo.lib Fri Dec 07 18:53:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/Servo/#36b69a7ced07
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Fri Dec 07 18:53:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/TextLCD/#e4cb7ddee0d3
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Fri Dec 07 18:53:48 2012 +0000
@@ -0,0 +1,26 @@
+#include "project_defines.hpp"
+
+int main()
+{
+ setup_devices();
+ calibrate_ir();
+ while(1) {
+ led4 = !led4;
+ adjust_temperature();
+ if(activate && check_movement()){
+ pc.printf("\nIntrution Alert: Current ir sensor average %f\n", current_avg);
+ wait(1);
+ char message[50];
+ sprintf(message, "Intrusion Alert!! Picture # %d captured", index);
+ send_sms(message);
+ take_picture();
+ play_sound();
+ }
+ read_message();
+ if(message_received){
+ handle_message();
+ wait(2);
+ }
+ wait(0.1);
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Dec 07 18:53:48 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e2ed12d17f06 \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/project_defines.hpp Fri Dec 07 18:53:48 2012 +0000
@@ -0,0 +1,412 @@
+#include "mbed.h"
+#include "MODSERIAL.h"
+#include "Camera_LS_Y201.h"
+#include "SDFileSystem.h"
+#include "SHTx/sht15.hpp"
+#include "Servo.h"
+#include "TextLCD.h"
+
+#define IR_THRESHOLD 0.009f
+
+#define DEBMSG printf
+#define NEWLINE() printf("\r\n")
+
+
+MODSERIAL sms(p13, p14);
+Serial pc(USBTX, USBRX);
+Servo myservo(p22);
+TextLCD lcd(p15, p16, p17, p18, p19, p21);
+AnalogIn ir(p20);
+SHTx::SHT15 temp_sensor(p9, p10);
+SDFileSystem sd(p5, p6, p7, p8, "sd");
+Camera_LS_Y201 cam1(p28, p27);
+DigitalOut light1(p29);
+DigitalOut light2(p30);
+PwmOut speaker(p23);
+
+typedef struct work {
+ FILE *fp;
+} work_t;
+
+work_t work;
+
+
+bool movement = false;
+float current_avg;
+
+bool activate = true;
+
+float current_temperature;
+float target_temperature;
+bool heat = true;
+
+int index = 1;
+
+//char* mobile_number = "6784628602";
+//char* mobile_number = "4043887322";
+char* mobile_number = "4045789581";
+
+
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+DigitalOut led3(LED3);
+DigitalOut led4(LED4);
+
+bool message_received = false;
+char message[256];
+char sms_buffer[256];
+int message_count = 0;
+
+void delete_messages()
+{
+ wait(0.25);
+ sms.printf("AT+CMGF=1%c", 13);
+ wait(0.25);
+ sms.printf("AT+CMGD=1,4%c", 13);
+ while(!sms.txBufferEmpty()) {
+ }
+ wait(2);
+ sms.rxBufferFlush();
+}
+
+void send_sms(char * message)
+{
+ led3 = 1;
+ pc.printf("Sending SMS\n");
+ wait(0.25);
+ sms.printf("AT+CMGF=1%c", 13);
+ wait(.25);
+ sms.printf("AT+CMGS=\"%s\"%c", mobile_number, 13);
+ wait(0.25);
+ sms.printf("%s%c", message ,26);
+ while(!sms.txBufferEmpty()) {
+ }
+ wait(0.5);
+ led3 = 0;
+}
+
+void receive_sms()
+{
+ wait(0.25);
+ sms.printf("AT+CMGF=1%c", 13);
+ wait(0.25);
+ //sms.printf("AT+CMGL=\"ALL\"%c", 13);
+ sms.printf("AT+CMGL=\"REC UNREAD\"%c", 13);
+ while(!sms.txBufferEmpty()) {
+ }
+}
+
+void get_data(char *buffer)
+{
+ int index = 0;
+ char c = sms.getc();
+ while(c != 10) {
+ buffer[index++] = c;
+ c = sms.getc();
+ }
+ buffer[index] = 0;
+}
+
+void adjust_temperature(){
+ temp_sensor.update();
+ current_temperature = temp_sensor.getTemperature();
+ if(current_temperature > 85.0f){
+ send_sms("High Temperature Alert!!!");
+ }
+ if(!heat){
+ temp_sensor.setHeater(false);
+ return;
+ }
+ if(current_temperature < target_temperature){
+ temp_sensor.setHeater(true);
+ } else {
+ temp_sensor.setHeater(false);
+ }
+}
+
+void read_message()
+{
+ while(sms.readable()) {
+ get_data(sms_buffer);
+ if(strstr(sms_buffer, "CMGL") != NULL) {
+ for(int i = 0; i < 256; i++) message[i] = 0;
+ get_data(message);
+ message_received = true;
+ delete_messages();
+ return;
+ }
+ sms_buffer[0] = 0;
+ }
+ receive_sms();
+}
+
+
+
+void setup_devices()
+{
+ sms.baud(115200);
+ pc.baud(115200);
+ //pc.printf("\x1B[2J");
+ //pc.printf("\x1B[H");
+ message_received = false;
+ led4 = 1;
+ delete_messages();
+ mkdir("/sd/mydir", 0777);
+ temp_sensor.setScale(true);
+ current_temperature = temp_sensor.getTemperature();
+ target_temperature = current_temperature;
+}
+
+bool check_movement()
+{
+ float value = ir;
+ if (value > (current_avg + IR_THRESHOLD) || value < (current_avg - IR_THRESHOLD)){
+ led1 = 1;
+ printf("MOVEMENT_DETECTED: IR value is %f, Current_avg: %f\r\n",value, current_avg);
+ return true;
+ } else {
+ led1 = 0;
+ //printf("IR value is %f, Current_avg: %f\r\n", value, current_avg);
+ return false;
+ }
+}
+
+void calibrate_ir()
+{
+ float current_sum = 0.0f;
+ for(int i = 0; i < 10000; i++) {
+ current_sum = current_sum + ir;
+ }
+ current_avg = current_sum / 10000.0f;
+}
+
+/**
+* Callback function for readJpegFileContent.
+*
+* @param buf A pointer to a buffer.
+* @param siz A size of the buffer.
+*/
+void callback_func(int done, int total, uint8_t *buf, size_t siz)
+{
+ fwrite(buf, siz, 1, work.fp);
+
+ static int n = 0;
+ int tmp = done * 100 / total;
+ if (n != tmp) {
+ n = tmp;
+ DEBMSG("Writing...: %3d%%", n);
+ NEWLINE();
+ }
+}
+
+
+/**
+* Capture.
+*
+* @param cam A pointer to a camera object.
+* @param filename The file name.
+*
+* @return Return 0 if it succeed.
+*/
+int capture(Camera_LS_Y201 *cam, char *filename)
+{
+ /*
+ * Take a picture.
+ */
+ if (cam->takePicture() != 0) {
+ return -1;
+ }
+ DEBMSG("Captured.");
+ NEWLINE();
+
+ /*
+ * Open file.
+ */
+ work.fp = fopen(filename, "wb");
+ if (work.fp == NULL) {
+ return -2;
+ }
+
+ /*
+ * Read the content.
+ */
+ DEBMSG("%s", filename);
+ NEWLINE();
+ if (cam->readJpegFileContent(callback_func) != 0) {
+ fclose(work.fp);
+ return -3;
+ }
+ fclose(work.fp);
+
+ /*
+ * Stop taking pictures.
+ */
+ cam->stopTakingPictures();
+
+ return 0;
+}
+
+void take_picture()
+{
+
+ myservo.write(0);
+ int a;
+ wait(1);
+ char buffer[25];
+ sprintf(buffer, "/sd/mydir/%d_1.jpg", index);
+ a = capture(&cam1,buffer);
+ switch (a) {
+ case -1:
+ led1=1;
+ break;
+ case -2:
+ //led2=1;
+ break;
+ case -3:
+ led3=1;
+ break;
+ case 0:
+ led4=1;
+ lcd.printf("Took picture 1!\n");
+ break;
+ }
+
+ wait(1);
+ led1=0;
+ //led2=0;
+ led3=0;
+ led4=0;
+
+ myservo.write(0.5);
+ wait(1);
+ sprintf(buffer, "/sd/mydir/%d_2.jpg", index);
+ a= capture(&cam1,buffer);
+
+ switch (a) {
+ case -1:
+ led1=1;
+ break;
+ case -2:
+ //led2=1;
+ break;
+ case -3:
+ led3=1;
+ break;
+ case 0:
+ led4=1;
+ lcd.printf("Took picture 2!\n");
+ break;
+ }
+
+ wait(1);
+ led1=0;
+ //led2=0;
+ led3=0;
+ led4=0;
+ myservo.write(1);
+ wait(1);
+ sprintf(buffer, "/sd/mydir/%d_3.jpg", index++);
+ a= capture(&cam1,buffer);
+ switch (a) {
+ case -1:
+ led1=1;
+ break;
+ case -2:
+ //led2=1;
+ break;
+ case -3:
+ led3=1;
+ break;
+ case 0:
+ led4=1;
+ lcd.printf("Took picture 3!\n");
+ break;
+ }
+
+ wait(1);
+ led1=0;
+ //led2=0;
+ led3=0;
+ led4=0;
+
+}
+
+
+void handle_message()
+{
+ int temp;
+ pc.printf("MESSAGE: %s\n", message);
+ if(strstr(message, "take picture") != NULL){
+ take_picture();
+ } else if(strstr(message, "turn off alarm") != NULL){
+ speaker = 0;
+ } else if(strstr(message, "get status") != NULL){
+ char msg[100];
+ int l1 = light1;
+ int l2 = light2;
+ int spk = speaker > 0.0f;
+ sprintf(msg, "Status: Light1 = %d, Light2 = %d, Temperature = %f, Alarm = %d", l1, l2, temp_sensor.getTemperature(), spk);
+ send_sms(msg);
+ pc.printf(msg);
+ } else if (strstr(message, "deactivate") != NULL){
+ speaker = 0;
+ activate = false;
+ led2 = 0;
+ pc.printf("\nIntrusion alert not active\n");
+ } else if (strstr(message, "activate") != NULL){
+ activate = true;
+ calibrate_ir();
+ light1 = 0;
+ light2 = 0;
+ heat = false;
+ temp_sensor.setHeater(false);
+ led2 = 1;
+ pc.printf("\nIntrusion alert active\n");
+ } else if (strstr(message, "turn off light 1") != NULL){
+ pc.printf("\nTurning off light 1\n");
+ light1 = 0;
+ } else if (strstr(message, "turn off light 2") != NULL){
+ pc.printf("\nTurning off light 2\n");
+ light2 = 0;
+ } else if (strstr(message, "turn on light 1") != NULL){
+ pc.printf("\nTurning on light 1\n");
+ light1 = 1;
+ } else if (strstr(message, "turn on light 2") != NULL){
+ pc.printf("\nTurning on light 2\n");
+ light2 = 1;
+ } else if (strstr(message, "turn off heat") != NULL){
+ heat = false;
+ lcd.printf("Heat off!\n");
+ pc.printf("\nTurning off heat\n");
+ } else if (strstr(message, "get temperature") != NULL){
+ char new_message[30];
+ sprintf(new_message, "Current Temperature is %f", temp_sensor.getTemperature());
+ send_sms(new_message);
+ pc.printf("\nSending current temperature %f\n", temp_sensor.getTemperature());
+ } else if (sscanf(message, "set temperature %d", &temp) >=1){
+ target_temperature = (float)temp;
+ lcd.cls();
+ lcd.printf("Target temp: %d\n", temp);
+ heat = true;
+ if(current_temperature < target_temperature){
+ lcd.printf("Heater ON\n");
+ } else {
+ lcd.printf("Heater OFF\n");
+ }
+ pc.printf("Setting target temperature to %d\n", temp);
+ }
+ message[0] = 0;
+ message_received = false;
+
+}
+
+void play_sound(){
+ for(int i = 0; i < 5000; i++){
+ for(float j = 0.0; j <= 1.0; j+=0.1){
+ speaker = j;
+ wait(0.0001);
+
+ }
+ }
+ //speaker = 0.0;
+}