CQ Publishing
MARMEX_VB test application program. This application works on "mbed NXP LPC1768" only. This application expects to have the MARMEX_VB module on a "MAPLE mini type-B (MARM03-BASE)" baseboard (slot2) with MARMEX_OB module (on slot1)
Dependencies: MARMEX_VB NokiaLCD mbed
This is the library test program.
The program can test features of the library (refer to MARMEX-VB's API document) and can save captured data into BMP file.
Warning!
This test program can run on "mbed NXP LPC1768" only.
Picture : sample of test program operation
The modules of MARMEX-VB and MARMEX-OB are set on the "MAPLE mini type-B (MARM03-BASE)" baseboard.
The image data from camera is mirrored and alpha graphics added by software.
Revision 1:dbe2dc31542d, committed 2014-06-09
- Comitter:
- nxpfan
- Date:
- Mon Jun 09 19:42:34 2014 +0000
- Parent:
- 0:343c01965543
- Child:
- 2:a35c919aa9c2
- Commit message:
- MARMEX-VB test version 0.2 (mbed_NXP_LPC1768 optimization added)
Changed in this revision
--- a/MARMEX_OB_oled.h Fri Jun 06 03:37:02 2014 +0000
+++ b/MARMEX_OB_oled.h Mon Jun 09 19:42:34 2014 +0000
@@ -2,8 +2,8 @@
*
* @class MARMEX_OB_oled
* @author tedd
- * @version 0.51
- * @date 08-Apr-2011
+ * @version 0.52 (optimized for "mbed NXP LPC1768")
+ * @date 06-Jun-2014
*
* Released under the MIT License: http://mbed.org/license/mit
*
@@ -30,7 +30,7 @@
*
* If disabled (just coment out the "#define MARMEX_OB_SPI_8BIT_MODE"), SPI access willbe done by 9 bit format.
*/
-#define MARMEX_OB_SPI_8BIT_MODE
+//#define MARMEX_OB_SPI_8BIT_MODE
/** MARMEX_OB_oled OLED screen drawing class
*
@@ -71,7 +71,8 @@
* @endcode
*/
-class MARMEX_OB_oled : public NokiaLCD {
+class MARMEX_OB_oled : public NokiaLCD
+{
public:
@@ -318,13 +319,85 @@
_cs = 1;
}
- void blit565( int x, int y, int width, int height, const short* colour ) {
+ void blit565( int x, int y, int width, int height, short* colour ) {
_cs = 0;
_window( x, y, width, height );
+#define OPTIMIZE_BY_GPIO_REGISTER_ACCESS
+#if defined( TARGET_MBED_LPC1768 ) && defined (OPTIMIZE_BY_GPIO_REGISTER_ACCESS )
+ LPC_GPIO1->FIOMASK = ~0x80000000;
+
+ for (int i = 0; i < width * height; i += 8 ) {
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | (*colour >> 8) );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | *colour++ );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | (*colour >> 8) );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | *colour++ );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | (*colour >> 8) );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | *colour++ );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | (*colour >> 8) );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | *colour++ );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | (*colour >> 8) );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | *colour++ );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | (*colour >> 8) );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | *colour++ );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | (*colour >> 8) );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | *colour++ );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | (*colour >> 8) );
+ LPC_GPIO1->FIOSET = 0x80000000;
+
+ LPC_GPIO1->FIOCLR = 0x80000000;
+ _spi.write( 0x100 | *colour++ );
+ LPC_GPIO1->FIOSET = 0x80000000;
+ }
+#else
for (int i = 0; i < width * height; i++ ) {
_putp565( colour[i] );
}
+#endif
+
_window( 0, 0, WIDTH, HEIGHT );
_cs = 1;
}
@@ -493,4 +566,3 @@
-
--- a/MARMEX_VB.lib Fri Jun 06 03:37:02 2014 +0000 +++ b/MARMEX_VB.lib Mon Jun 09 19:42:34 2014 +0000 @@ -1,1 +1,1 @@ -MARMEX_VB#c4d14dd5d479 +MARMEX_VB#b2324313d4da
--- a/main.cpp Fri Jun 06 03:37:02 2014 +0000
+++ b/main.cpp Mon Jun 09 19:42:34 2014 +0000
@@ -1,6 +1,6 @@
/** Test program for MARMEX_VB Camera control library
*
- * @version 0.1
+ * @version 0.2
* @date 10-Jun-2014
*
* Released under the Apache License, Version 2.0 : http://mbed.org/handbook/Apache-Licence
@@ -29,6 +29,7 @@
void test_camera_resolution_change( void );
void copy_image_from_camera_to_oled( void );
+void copy_image_from_camera_to_oled_small( void );
void copy_image_from_camera_to_oled_interlaced( void );
void line_mirroring( short *buf );
void save_still_image( char *file_name );
@@ -144,7 +145,6 @@
else
copy_image_from_camera_to_oled();
-
// camera.colorbar( ((count++ >> 2) & 0x1) ? MARMEX_VB::ON : MARMEX_VB::OFF );
led = 0x2;
@@ -197,7 +197,7 @@
void copy_image_from_camera_to_oled( void )
{
- short buf[ MARMEX_OB_oled::WIDTH ];
+ short buf[ MARMEX_OB_oled::WIDTH ]; // array size should be multiple of 8 for "mbed LPC1768" optimization
static int count = 0;
camera.open_transfer();
@@ -214,6 +214,23 @@
}
+void copy_image_from_camera_to_oled_small( void )
+{
+ short buf[ 64 ];
+ static int count = 0;
+
+ camera.open_transfer();
+
+ for ( int line = 0; line < 64; line++ ) {
+ camera.read_a_line( buf, line, 0, 64 );
+ oled1.blit565( 0, line, 64, 1, buf );
+ }
+
+ count++;
+ camera.close_transfer();
+}
+
+
void copy_image_from_camera_to_oled_interlaced( void )
{
short buf[ MARMEX_OB_oled::WIDTH ];
@@ -262,7 +279,7 @@
oled1.locate( 0, 3 );
oled1.printf( "%s", (MARMEX_VB::NO_ERROR == camera.ready()) ? "Camera is ready" : "No Camera found" );
oled1.locate( 0, 4 );
- oled1.printf( "%s", "saving into BMP" );
+ //oled1.printf( "%s", "saving into BMP" );
oled1.locate( 0, 5 );
oled1.printf( "%d", camera.get_horizontal_size() );
oled1.locate( 0, 6 );