Diff: MARY_CAMERA.h

Revision:

0:f4584dba3bac

Child:

1:1e51936de820

Child:

2:ee71ffdf317e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/MARY_CAMERA.h	Fri Feb 14 14:19:49 2014 +0000
@@ -0,0 +1,95 @@
+#ifndef        MBED_MARY_CAMERA
+#define        MBED_MARY_CAMERA
+
+#define PARAM_NUM       99
+#define CAM_I2C_ADDR    0x42
+
+#define     COMMAND_WRITE                   0x00
+#define     COMMAND_READ                    0x80
+#define     COMMAND_ADDR_INCREMENT          0x20
+
+#define     MEMORY_ADDR_LOW__REGISTER       0x0
+#define     MEMORY_ADDR_MID__REGISTER       0x1
+#define     MEMORY_ADDR_HIGH_REGISTER       0x2
+#define     CAMERA_DATA_REGISTER            0x8
+#define     CONTROL_DATA_REGISTER           0x3
+#define     STATUS_REGISTER                 0x4
+
+#define     CONTROL__PAUSE_BUFFER_UPDATE    0x01
+#define     CONTROL__RESUME_BUFFER_UPDATE   0x00
+
+#define     PIXEL_PER_LINE  176
+#define     BYTE_PER_PIXEL  2
+#define     BYTE_PER_LINE   (PIXEL_PER_LINE * BYTE_PER_PIXEL)
+
+#define     SPI_FREQUENCY                   1000000
+
+//  sample  MARY_CAMERA     camera( p5, p6, p7, p22, p9, p26, p28, p27 )
+
+
+class MARY_CAMERA
+{
+public:
+
+    /** Create a MARY_CAMERA instance connected to specified SPI and DigitalOut pins with specified address
+     *
+     * @param I2C_sda I2C-bus SDA pin
+     * @param I2C_scl I2C-bus SCL pin
+     * @param steps_per_rotation motor specific setting. This determines how many steps are needed to execute one full turn of motor shaft (360°).
+     * @param I2C_address I2C-bus address (default: 0x42)
+     */
+
+    MARY_CAMERA(
+        PinName spi_mosi,
+        PinName spi_miso,
+        PinName spi_sck,
+        PinName spi_cs,
+        PinName cam_vsync,
+        PinName cam_reset,
+        PinName i2c_sda,
+        PinName i2c_scl
+    );
+    void init( void );
+    void open_transfer( void );
+    void close_transfer( void );
+    void transfer_a_line( short *p, int line_number, int x_offset, int n_of_pixels );
+
+private:
+    int send_spi( char data );
+    void write_register( char reg, char value );
+    int read_register( char reg );
+    void set_address( int address );
+
+
+    SPI         spi;
+    DigitalOut  cs;
+    DigitalOut  vsync;
+    DigitalOut  reset;
+    I2C         i2c;
+};
+
+
+
+
+#if 0
+SPI         camspi( p5, p6, p7 );
+DigitalOut  cs2( p22 );
+DigitalOut  vsync( p9 );
+DigitalOut  camera_reset( p26 );
+#endif
+
+#define     COMMAND_WRITE                   0x00
+#define     COMMAND_READ                    0x80
+#define     COMMAND_ADDR_INCREMENT          0x20
+
+#define     MEMORY_ADDR_LOW__REGISTER       0x0
+#define     MEMORY_ADDR_MID__REGISTER       0x1
+#define     MEMORY_ADDR_HIGH_REGISTER       0x2
+#define     CAMERA_DATA_REGISTER            0x8
+#define     CONTROL_DATA_REGISTER           0x3
+#define     STATUS_REGISTER                 0x4
+
+#define     CONTROL__PAUSE_BUFFER_UPDATE    0x01
+#define     CONTROL__RESUME_BUFFER_UPDATE   0x00
+
+#endif  //  MBED_MARY_CAMERA
\ No newline at end of file