CQ出版 Interface記事用サンプル。 トラ技カメラ+FIFOからデータを得て、 エリア判定後、デバイスに保存

Dependencies:   SDFileSystem mbed

Files at this revision

API Documentation at this revision

Comitter:
TETSUYA
Date:
Tue Feb 04 05:42:17 2014 +0000
Parent:
3:8d5594ce5b00
Commit message:
???????

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file
diff -r 8d5594ce5b00 -r ed062dc75c52 main.cpp
--- a/main.cpp	Tue Oct 01 01:55:39 2013 +0000
+++ b/main.cpp	Tue Feb 04 05:42:17 2014 +0000
@@ -27,6 +27,9 @@
 # define SIZEY (240)
 #endif
 
+#define COLORS 8     // 8bit colors
+//#define COLORS 24    // 24bit colors
+
 int create_header(FILE *fp, int width, int height) ;
 
 #define FILEHEADERSIZE 14                   //ファイルヘッダのサイズ
@@ -66,7 +69,7 @@
 int face_bank = 0;
 int  Dbmode = 0;    
 void MedianFilter(void);
-void SaveBMP(void);
+void SaveBMP(int flag);
 void SearchNewFileNo();
 
 
@@ -74,16 +77,17 @@
     char color_format = 0;
     char c;
     int d1,d2 ;
-    int mx, pixel , i;
+    //int mx, pixel , i;
+    int pixel ;
     int pixc,  pixelg;
     int sort[3];    
     int ay = 0;
-    char UseMedian = 0;
+    //char UseMedian = 0;
 
     memset( AreaDiff, '\0', sizeof(AreaDiff));
 
     pc.baud(115200);
-RESJMP:
+//RESJMP:
     //pc.printf("Camera resetting..\r\n");
     camera.Reset();
 
@@ -118,23 +122,26 @@
     {
         memset( &AreaDiff[face_bank], '\0', sizeof(AreaDiff[face_bank]));
         if ( Dbmode ){
-            pc.printf("Hit Any Key to send RGBx160x120 Capture Data.\r\n") ;
+            pc.printf("Debug Mode [d][s]  Any Charactor is Capture Start!  \r\n") ;
             while(!pc.readable()) ;
             c = pc.getc() ;
+            /*
             if (( c == '1' )|| ( c == '2' )||( c == '3' )){
                 color_format = c;
                 goto RESJMP;
-            }else  if (( c == 'd' )|| ( c == 'D' )){
-                    Dbmode = 0;     // GO FreeRun
-                    continue;
             }else if ( ( c== 'm')||( c== 'M')) {
                     UseMedian = 1;
                     continue;
             }else if ( ( c== 'n')||( c== 'N')) {
                     UseMedian = 0;
                     continue;
+            }else  
+            */
+            if (( c == 'd' )|| ( c == 'D' )){
+                    Dbmode = 0;     // GO FreeRun
+                    continue;
             }else if ( ( c== 's')||( c== 'S')) {
-                    SaveBMP();
+                    SaveBMP(COLORS);
                     continue;
             }
         }else{
@@ -143,13 +150,16 @@
                 if (( c == 'd' )|| ( c == 'D' )){
                     Dbmode = 1;     // GO DEBUGmode
                     continue;
-                }else if ( ( c== 'm')||( c== 'M')) {
+                } 
+                /*
+                else if ( ( c== 'm')||( c== 'M')) {
                     UseMedian = 1;
                     continue;
                 }else if ( ( c== 'n')||( c== 'N')) {
                     UseMedian = 0;
                     continue;
                 }
+                */
             }
             pc.printf(" \r\n") ;
         }
@@ -183,7 +193,6 @@
                 canvas[x][y] = (char)( gray ) & 0x3f;    // 6bit gray scale
                 
                 // Make Difference AreaData
-                //AreaDiff[face_bank][x/AREA_X][ay] += ( gray << 2 );    // 8bit scaler! 
                 AreaDiff[face_bank][x/AREA_X][ay] += ( gray  );    // 6bit scaler! 
                 
                 if ( Dbmode ){
@@ -267,7 +276,7 @@
                     }
                 }
             }
-            SaveBMP();
+            SaveBMP(COLORS);
             
         }        
         face_bank++;
@@ -314,8 +323,8 @@
     }
 }
 
-//char *filebase =  "/local/Bmap";
-char *filebase =  "/sd/Bmap";
+char *filebase =  "/local/Bmap";
+//char *filebase =  "/sd/Bmap";
 
 void SearchNewFileNo()
 {
@@ -337,14 +346,16 @@
     
 }
 
-void SaveBMP(void)
+//flag 24: 24bit Clolr   8:8itGrayScale
+void SaveBMP(int flag)
 {
     unsigned char gray8;
     unsigned char bmp_line_data[SIZEX*3]; //画像1行分のRGB情報を格納する
+    unsigned char RGBQUAD[4]; //Palette Data
     int back ;
     FILE *fp;
     char filename[30] ;
-
+    
     sprintf( filename, "%s%04d.bmp", filebase , FileNo);
     FileNo++;
     back = myleds;
@@ -358,16 +369,35 @@
     // Make BITMAPHEADER to FileHead.
     create_header(fp, SIZEX, SIZEY);
     
+    if ( flag==8 ){
+        // if 8bit Gray Scale , Make Palette Data
+        for (int i=0;i<256;i++){
+            RGBQUAD[0] = i;    // 
+            RGBQUAD[1] = i;
+            RGBQUAD[2] = i;
+            RGBQUAD[3] = 0;
+            fwrite(RGBQUAD, sizeof(RGBQUAD), 1, fp);
+        }
+    }
+    
     for (int y=0; y<SIZEY; y++) {
-        for (int x=0; x<SIZEX; x++) {
-            // RGB888
-            gray8 = (unsigned char)(canvas[x][y] << 2);   //grayscale data 6bit
-
-            bmp_line_data[x*3]     = (unsigned char)gray8;  // b
-            bmp_line_data[x*3 + 1] = (unsigned char)gray8;  // g
-            bmp_line_data[x*3 + 2] = (unsigned char)gray8;  // r
+        if ( flag==24 ){
+            for (int x=0; x<SIZEX; x++) {
+                // RGB888
+                gray8 = (unsigned char)(canvas[x][y] << 2);   //grayscale data 6bit
+    
+                bmp_line_data[x*3]     = (unsigned char)gray8;  // b
+                bmp_line_data[x*3 + 1] = (unsigned char)gray8;  // g
+                bmp_line_data[x*3 + 2] = (unsigned char)gray8;  // r
+            }
+            fwrite(bmp_line_data, sizeof(unsigned char), sizeof(bmp_line_data), fp);
+        }else{
+            // GrayScale
+            for (int x=0; x<SIZEX; x++) {
+                gray8 = (unsigned char)(canvas[x][y] << 2);   //grayscale data 6bit
+                fwrite(&gray8 , 1, 1, fp);
+            }
         }
-        fwrite(bmp_line_data, sizeof(unsigned char), sizeof(bmp_line_data), fp);
     }
     fclose(fp);
     
@@ -392,10 +422,15 @@
 
     //ここからヘッダ作成
     file_size = height * real_width + HEADERSIZE;
+
     offset_to_data = HEADERSIZE;
+    if ( COLORS == 8 ) {
+        offset_to_data += 256 * 4;
+    }
+
     info_header_size = INFOHEADERSIZE;
     planes = 1;
-    color = 24;
+    color =  COLORS;    // 24;
     compress = 0;
     data_size = height * real_width;
     xppm = 1;
@@ -419,11 +454,11 @@
     memcpy(header_buf + 34, &data_size, sizeof(data_size));
     memcpy(header_buf + 38, &xppm, sizeof(xppm));
     memcpy(header_buf + 42, &yppm, sizeof(yppm));
-    header_buf[46] = 0;
+    header_buf[46] = 0;     // Palette Color (long)
     header_buf[47] = 0;
     header_buf[48] = 0;
     header_buf[49] = 0;
-    header_buf[50] = 0;
+    header_buf[50] = 0;     // Important Color (long)
     header_buf[51] = 0;
     header_buf[52] = 0;
     header_buf[53] = 0;