Diff: main.cpp

Revision:

0:796c01948235

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Fri Dec 09 05:32:12 2011 +0000
@@ -0,0 +1,66 @@
+#include "mbed.h"
+#include "ucam.h"
+#define BUFFER_LENGTH 4096
+
+Serial firefly(p28, p27);
+Serial debug(USBTX, USBRX);
+
+DigitalOut firefly_led(LED1);
+UCam ucam(p13, p14, LED2, 1228800);  // tx, rx, led, baud
+
+uint16_t len;
+uint8_t ubuf[BUFFER_LENGTH];
+uint8_t take_snapshot  =0;
+
+void firefly_isr()
+{
+    while(firefly.readable())
+        firefly.getc();
+    take_snapshot = 1;
+}
+
+int main()
+{
+    debug.puts("initiating firefly...\r\n");
+    firefly.baud(921600);     
+    firefly.attach(firefly_isr);
+    firefly_led = 1;
+    
+    debug.puts("initiating ucam...\r\n");
+        
+    if (ucam.connect() == 0){
+        debug.puts("connection to ucam established\r\n");
+    } else {
+        debug.puts("connection to ucam failed\r\n");
+        return -1;
+    }
+
+
+    if (ucam.start_video(COLOR_JPEG, JPEG_160x128, JPEG_160x128) != 0) {
+            debug.printf("failed to start video\r\n");
+            return -1;
+    }
+
+    Timer t;
+    uint16_t i;    
+    
+    while (1) {   
+    
+        t.reset();
+        
+        if (take_snapshot 
+                && ucam.next_frame(ubuf, &len) == 0) {
+
+            firefly.putc(((char*)&len)[0]); //size lsb
+            firefly.putc(((char*)&len)[1]); //size msb
+ 
+            for(i=0; i < len; i++){
+                firefly.putc(ubuf[i]);
+            }
+            
+            take_snapshot = 0;    
+            debug.printf("frame %f \r\n", t.read());
+        }
+        wait_ms(10);
+    }    
+}
\ No newline at end of file