Diff: CameraC328.h

Revision:

3:6d3150d4396a

Parent:

2:6a72fcad5c0a

Child:

4:ad06342d4b84

--- a/CameraC328.h	Mon Jun 28 13:57:15 2010 +0000
+++ b/CameraC328.h	Tue Jun 29 11:45:53 2010 +0000
@@ -1,12 +1,19 @@
+/**
+ * C328-7640 device driver class
+ * Reference documents: C328-7640 User Manual v3.0 2004.8.19
+ *
+ * Version 0.0.1
+ *
+ * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
+ * shinta.main.jp@gmail.com
+ * http://shinta.main.jp/
+ */
+
 #include "mbed.h"
 
 class CameraC328 {
 public:
 
-    CameraC328(PinName tx, PinName rx);
-
-    ~CameraC328();
-
     enum ColorType {
         GrayScale2bit = 0x01,   // 2bit for Y only
         GrayScale4bit = 0x02,   // 4bit for Y only
@@ -51,11 +58,6 @@
         SendPictureError = 0xf5,
         SendCommandError = 0xff
     };
-    
-    enum SnapshotType {
-        CompressedPicture = 0x00,
-        UncompressedPicture = 0x01
-    };
 
     enum PictureType {
         SnapshotPicture = 0x01,
@@ -63,55 +65,61 @@
         JpegPreviewPicture = 0x05
     };
 
+    enum SnapshotType {
+        CompressedPicture = 0x00,
+        UncompressedPicture = 0x01
+    };
+
+    enum Baud {
+        Baud7200 = 7200,
+        Baud9600 = 9600,
+        Baud14400 = 14400,
+        Baud19200 = 19200,  // Default.
+        Baud28800 = 28800,
+        Baud38400 = 38400,
+        Baud57600 = 57600,
+        Baud115200 = 115200
+    };
+
+    enum ResetType {
+        ResetWholeSystem = 0x00,
+        ResetStateMachines = 0x01
+    };
+
+    enum DataType {
+        DataTypeSnapshotPicture = 0x01,
+        DataTypePreviewPicture = 0x02,
+        DataTypeJpegPreviewPicture = 0x05
+    };
+
+    CameraC328(PinName tx, PinName rx, Baud baud = Baud19200);
+
+    ~CameraC328();
+
     ErrorNumber sync();
     ErrorNumber init(ColorType ct, RawResolution rr, JpegResolution jr);
-    ErrorNumber getJpegSnapshotPicture(void(*func)(size_t done, size_t total, char c));
+    ErrorNumber getUncompressedSnapshotPicture(void(*func)(size_t done, size_t total, char c));
+    ErrorNumber getUncompressedPreviewPicture(void(*func)(size_t done, size_t total, char c));
 
 private:
     Serial serial;
-    bool syncdone;
     static const int COMMAND_LENGTH = 6;
-    static const int TIMEOUT_US = 1200;
-    static const int BAUD = 57600;
     static const int SYNCMAX = 60;
 
-    /**
-     * Send bytes to camera module.
-     *
-     * @param buf Pointer to the data buffer.
-     * @param len Length of the data buffer.
-     *
-     * @return True if the data sended.
-     */
-    bool sendBytes(char *buf, size_t len);
-
-    /**
-     * Receive bytes from camera module.
-     *
-     * @param buf Pointer to the data buffer.
-     * @param len Length of the data buffer.
-     *
-     * @return True if the data received.
-     */
-    bool recvBytes(char *buf, size_t len);
+    ErrorNumber sendInitial(ColorType ct, RawResolution rr, JpegResolution jr);
+    ErrorNumber sendGetPicture(PictureType pt);
+    ErrorNumber sendSnapshot(SnapshotType st, uint16_t skipFrames);
+    ErrorNumber sendSetPackageSize(uint16_t packageSize);
+    ErrorNumber sendSetBaudrate(Baud baud);
+    ErrorNumber sendReset(ResetType rt, bool specialReset);
+    ErrorNumber sendPowerOff();
+    ErrorNumber recvData(DataType *dt, uint32_t *length);
+    ErrorNumber sendSync();
+    ErrorNumber recvSync();
+    ErrorNumber sendAck(uint8_t commandId, uint16_t packageId);
+    ErrorNumber recvAckOrNck();
 
-    /**
-     * Send bytes to camera module.
-     *
-     * @param buf Pointer to the data buffer.
-     * @param len Length of the data buffer.
-     *
-     * @return True if the data sended.
-     */
-    bool sendBytesWithDebugOutput(char *buf, size_t len);
-
-    /**
-     * Receive bytes from camera module.
-     *
-     * @param buf Pointer to the data buffer.
-     * @param len Length of the data buffer.
-     *
-     * @return True if the data received.
-     */
-    bool recvBytesWithDebugOutput(char *buf, size_t len);
+    bool sendBytes(char *buf, size_t len, int timeout_us = 5000);
+    bool recvBytes(char *buf, size_t len, int timeout_us = 5000);
+    bool waitRecv();
 };