Fixed some bugs when receiving large data.

common/app/app.c

@@ -3,7 +3,7 @@
 #include "system.h"
 #include "pixy.h"
 #include <stdio.h>
-
+#include <stdlib.h>
 
 bool pixy_connected = false;
 
@@ -113,10 +113,10 @@ int pixy_frame_test() {
                                       &videodata,        // pointer to mem address for returned frame
                                       END_IN_ARGS);
 
-
       if(return_value==0) {
             return_value = renderBA81(renderflags,xwidth,ywidth,size,videodata);
       } 
+
       return return_value;
 }
 
@@ -171,8 +171,22 @@ int renderBA81(uint8_t renderFlags, uint16_t width, uint16_t height, uint32_t fr
     // don't render top and bottom rows, and left and rightmost columns because of color
     // interpolation
     //uint32_t decodedimage[(width-2)*(height-2)];
-    uint16_t decodedimage[(width-2)*(height-2)];
+    uint16_t* decodedimage = malloc(sizeof(uint16_t)*(width-2)*(height-2));
    
+    if(decodedimage==NULL) { //not enough free space to decode image in memory
+        //decode & render image pixel by pixel
+	uint16_t* line = decodedimage;
+    	for (y=1; y<height-1; y++)
+        {
+                frame++;
+                for (x=1; x<width-1; x++, frame++)
+                {
+                    interpolateBayer(width, x, y, frame, &r, &g, &b);
+                    tft_draw_pixel(x-1,y-1,RGB(r,g,b));
+                }
+                frame++;
+         }
+    } else { //enough space  
 	    uint16_t* line = decodedimage;
 	    for (y=1; y<height-1; y++)
 	    {
@@ -189,6 +203,9 @@ int renderBA81(uint8_t renderFlags, uint16_t width, uint16_t height, uint32_t fr
 
 	    tft_draw_bitmap_unscaled(0,0,width-2,height-2,decodedimage); 
 	  
+	    free(decodedimage); 
+    }
+    
     return 0;
 }
 

common/lowlevel/ll_system.h

@@ -4,3 +4,4 @@
 bool ll_system_init();
 void ll_system_delay(uint32_t msec);
 void ll_system_process();
+void ll_system_toggle_led();

common/system/system.c

@@ -13,3 +13,7 @@ void system_delay(uint32_t msec) {
 void system_process() {
 	ll_system_process();
 }
+
+void system_toggle_led() {
+	ll_system_toggle_led();
+}

common/system/system.h

@@ -4,3 +4,4 @@
 bool system_init();
 void system_delay(uint32_t msec);
 void system_process();
+void system_toggle_led();

discovery/libs/Pixy/src/chirp.cpp

@@ -856,6 +856,10 @@ int Chirp::realloc(uint32_t min)
         min = m_bufSize+CRP_BUFSIZE;
     else
         min += CRP_BUFSIZE;
+    
+    if(min==m_bufSize) 
+        return CRP_RES_OK;
+
     uint8_t *newbuf = new (std::nothrow) uint8_t[min];
     if (newbuf==NULL)
         return CRP_RES_ERROR_MEMORY;

discovery/src/ll_system.c

@@ -64,3 +64,8 @@ void ll_system_process() {
 void ll_system_delay(uint32_t msec) {
 	USB_OTG_BSP_mDelay(msec);
 }
+
+
+void ll_system_toggle_led() {	
+	STM_EVAL_LEDToggle(LED6);
+}

emulator/libs/Pixy/src/usblink.cpp

@@ -111,6 +111,7 @@ usblink_open__close_and_exit:
 
 usblink_open__exit:
   log("pixydebug: USBLink::open() returned %d\n", return_value);
+  usleep(100* 1000); //let pixy init pass
 
   return return_value;
 }

emulator/qt/ll_system.cpp

@@ -17,3 +17,6 @@ void ll_system_process() {
         QApplication::processEvents();
 }
 
+void ll_system_toggle_led() {
+
+}