Diff: main.cpp

Revision:

0:2af1e48a285d

Child:

1:65200fe545a5

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Oct 13 05:48:32 2011 +0000
@@ -0,0 +1,239 @@
+#include "mbed.h"
+#include "Camera_LS_Y201.h"
+//#include <string.h>
+//#include "GPS.h"
+#define DEBMSG      printf
+#define NEWLINE()   printf("\r\n")
+
+#define BUFF_SIZE  32
+#define USE_SDCARD 0
+
+
+#if USE_SDCARD
+#define FILENAME    "/sd/IMG_%04d.jpg"
+//SDFileSystem fs(p5, p6, p7, p8, "sd");
+#else
+#define FILENAME    "/local/ALT%d_%02d.jpg"
+LocalFileSystem fs("local");
+#endif
+Camera_LS_Y201 cam1(p28, p27);
+#define DEPTH 5
+//GPS gps(p9,p10);
+Serial gsm(p13,p14);
+Serial pc(USBTX,USBRX);
+AnalogIn motion(p15);
+
+ float reading; 
+ int alert_num = 0;
+
+typedef struct work {
+    FILE *fp;
+} work_t;
+
+work_t work;
+
+/**
+ * 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);
+
+}
+
+
+/**
+ * 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 print_pics()
+{
+    if (cam1.reset() == 0) 
+    {
+        DEBMSG("Reset OK.");
+        NEWLINE();
+    } 
+    else 
+    {
+        DEBMSG("Reset fail.");
+        NEWLINE();
+        error("Reset fail.");
+    }
+    
+    int cnt = 0;
+    while (cnt < 4) 
+    {
+        char fname[64];
+        snprintf(fname, sizeof(fname) - 1, FILENAME, alert_num, cnt);
+        int r = capture(&cam1, fname);
+        if (r == 0) 
+        {
+            DEBMSG("[%04d]:OK.", cnt);
+            NEWLINE();
+        } 
+        else 
+        {
+            DEBMSG("[%04d]:NG. (code=%d)", cnt, r);
+            NEWLINE();
+            error("Failure.");
+        }
+        cnt++;
+    }
+    
+    return;
+  }
+
+void send_text()
+{
+    char buf[40];
+    char buf2= 0x1A;
+    
+    gsm.printf("AT\r\n");  //Should return OK
+    gsm.scanf("%s",buf);
+    pc.printf("%s\n",buf);
+    //gsm.scanf("%s",buf1);
+    //pc.printf("%s\n",buf1);
+
+    gsm.printf("AT+CSMP=17,167,0,0\r\n");  //Set text mode parameters =<fo>,<vp>,<pid>,<dcs>
+    gsm.scanf("%s",buf);                   // Should return OK
+    //gsm.scanf("%s",buf1);
+    pc.printf("%s\n",buf);
+    //pc.printf("%s\n",buf1);
+
+    gsm.printf("AT+CMGF=1\r\n");      //1 - text mode, indicates the format of messages used with send, list, read and write commands
+    gsm.scanf("%s",buf);               
+   // gsm.scanf("%s",buf1);
+    pc.printf("%s\n",buf);
+    //pc.printf("%s\n",buf1);
+
+    while (1) 
+    {
+            //pc.printf("message sent");
+            gsm.printf("AT+CMGS=\"16784370074\"\r\n");   //AT+CMGS=”<da>"...da - destination address
+            gsm.scanf("%s",buf);  //Response OK
+           // gsm.scanf("%s",buf1);
+            pc.printf("%s\n",buf);
+            //pc.printf("%s\n",buf1);
+           
+            gsm.printf("Alert message %c \r\n", buf2);  //Actual message following CMGS command followed by ctrl+z (buf2)
+            gsm.scanf("%s",buf);  //Response OK
+           // gsm.scanf("%s",buf1);
+            pc.printf("%s\n",buf);
+            //pc.printf("%s\n",buf1);
+            pc.printf("Message sent \n");
+
+            break;
+    }
+ }
+
+void sound_alarm()
+{
+    ++alert_num;
+    pc.printf("The value was: %f", reading);
+    pc.printf("Sound alarm...alert alert\n");
+    pc.printf("4 Pictures being taken \n");
+    print_pics();
+    send_text();
+    pc.printf("Done \n");
+    return;
+}
+
+
+  
+
+int main() 
+{
+    gsm.baud(115200);
+    pc.baud(115200);
+    char user_input[5] = "";
+   // user_input = "";
+   
+    float moving_avg[DEPTH];
+    double avg;
+    
+    //
+    while(strcmp(user_input, "y") != 0)
+    { 
+        pc.printf("Initialize Security System (y/n) \n");
+        pc.scanf("%s", user_input);
+     }
+    int i = 0;
+    while(1)
+    {
+        //Moving average for motion detection
+        //moving_avg[i] = motion.read();
+        reading = motion.read();
+        if(i>=DEPTH) //Check for difference versus moving avg
+        {
+            if(i == DEPTH)
+              pc.printf("Security System Engaged! \n");  
+            avg = 0;
+            
+            for(int j=0; j < DEPTH; ++j)
+                avg = avg + moving_avg[j];
+            avg = avg/DEPTH;
+            pc.printf("Average = %f", avg);
+            if((reading > 1.2 * avg)||(reading < .8 *avg))
+                {
+                    sound_alarm();
+                    continue;
+                }
+            else
+                moving_avg[i%DEPTH] = reading;
+         }
+         else
+            moving_avg[i%DEPTH] = reading;
+        
+        ++i;
+        pc.printf("Motion value: %f\n", reading);
+        wait(.5);
+    }
+ 
+    return 0;
+}
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