Diff: project_defines.hpp

Revision:

0:a33b2a7b4222

--- /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;
+}