Diff: ucam.h

Revision:

0:57f4fdadc97f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ucam.h	Fri Nov 20 14:40:48 2009 +0000
@@ -0,0 +1,127 @@
+
+// This is a class for talking to the 4DSystems uCam JPEG camera module
+// from an mbed (mbed.org)
+
+// Datasheet:
+// http://www.4dsystems.com.au/downloads/micro-CAM/Docs/uCAM-DS-rev2.pdf
+
+
+// Commands:
+#define UCAM_INITIAL             0xAA01
+#define UCAM_GET_PICTURE         0xAA04
+#define UCAM_SNAPSHOT             0xAA05
+#define UCAM_SET_PACKAGE_SIZE     0xAA06
+#define UCAM_RESET                0xAA08
+#define UCAM_DATA                 0xAA0A
+#define UCAM_SYNC                0xAA0D
+#define UCAM_ACK                 0xAA0E
+#define UCAM_ACK                0xAA0E
+#define UCAM_NAK                 0xAA0F
+#define UCAM_LIGHT                0xAA13
+
+
+// Picture types;
+#define UCAM_PIC_TYPE_SNAPSHOT  0x01        // gets the pic taken with the SNAPSHOT command
+                                            // in which case, the actualy type of the picture is the one specified by the SNAPSHOT
+                                            
+#define UCAM_PIC_TYPE_RAW_PREVIEW 0x02      // gets the current pic, doesn't require the SNAPSHOT command
+#define UCAM_PIC_TYPE_JPEG_PREVIEW 0x05    // gets the current pic, doesn't require the SNAPSHOT command
+
+
+
+#define UCAM_COLOUR_2_BIT_GREY 0x01 //2-bit Gray Scale (RAW, 2-bit for Y only) 01h
+#define UCAM_COLOUR_4_BIT_GREY 0x02 //4-bit Gray Scale (RAW, 4-bit for Y only) 02h
+#define UCAM_COLOUR_8_BIT_GREY 0x03 // (RAW, 8-bit for Y only) 
+#define UCAM_COLOUR_8_BIT_COLOUR 0x04 // (RAW, 332(RGB))
+
+#define UCAM_COLOUR_12_BIT_COLOR 0x05 // (RAW, 444(RGB)) 05h
+#define UCAM_COLOUR_16_BIT_COLOR 0x06 //(RAW, 565(RGB)) 06h
+#define UCAM_COLOUR_JPEG 0x07
+
+#define UCAM_COLOUR_NOT_SET 0xFF
+
+
+// Sizes for raw images
+#define UCAM_RAW_SIZE_80x60 0x01
+#define UCAM_RAW_SIZE_160x120 0x03
+#define UCAM_RAW_SIZE_320x240 0x05
+#define UCAM_RAW_SIZE_640x480 0x07
+#define UCAM_RAW_SIZE_128x128 0x09
+#define UCAM_RAW_SIZE_128x96 0x0B
+
+// Sizes for jpeg images
+
+#define UCAM_JPEG_SIZE_80x64     0x01
+#define UCAM_JPEG_SIZE_160x128   0x03
+#define UCAM_JPEG_SIZE_320x240    0x05
+#define UCAM_JPEG_SIZE_640x480    0x07
+
+// Snapshot types
+#define UCAM_SNAPSHOT_JPEG 0x00
+#define UCAM_SNAPSHOT_RAW 0x01
+
+#ifndef FILE_WRITE_STRING
+#define FILE_WRITE_STRING "w" // value for mbed - will be defined earlier on Win
+#define FILE_READ_STRING "r"
+#endif
+
+class Frame;
+
+#include "SerialBuffered.h"
+
+class UCam
+{
+public:
+
+    UCam(PinName tx, PinName rx);
+
+    void doStartup();
+    int doConfig( bool raw, uint8_t colourType, uint8_t imageSize );
+
+    Frame *doGetRawPictureToBuffer( uint8_t picType );
+    int doGetJpegPictureToFile( uint8_t picType, char* filename );
+
+private:
+
+    int doConnect();
+    int fixConfusion();
+    void sendCommand( int command, int p1, int p2, int p3, int p4 );
+    int doCommand( int command, int p1, int p2, int p3, int p4 );
+    int doReset();
+    int doSyncs();
+    int doSnapshot( uint8_t snapshotType );
+
+    void sendAck();
+    void sendAckForPackage( uint16_t p);
+    void sendAckForRawData( ) ;
+    int readAckPatiently( uint16_t command );
+    int readAck( uint16_t command );
+    int readSync();
+    uint32_t readData();
+    int readBytes(uint8_t *bytes, int size );
+
+    uint16_t readUInt16();
+    int readPackage( FILE *jpgFile, uint16_t targetPackage );
+
+
+
+private:
+    SerialBuffered camSerial;
+    //Serial camSerial;
+    uint8_t lastCommand;
+
+    int m_confused;
+
+    uint8_t packageBody[512];
+
+    bool m_raw;
+    uint8_t m_colourType;
+    uint8_t m_imageSize;
+
+    uint8_t m_bitsPerPixel;
+    uint16_t m_width;
+    uint16_t m_height;
+
+
+
+};
\ No newline at end of file