Diff: CameraC1098.h

Revision:

0:5a6468b4164d

Child:

1:135493341acc

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CameraC1098.h	Mon Jul 09 10:23:32 2012 +0000
@@ -0,0 +1,134 @@
+/**
+ * C1098-SS device driver class (Version 1.0)
+ * Reference documents: C1098-SS User Manual v1.0 2012.5.6
+ *
+ * CameraC328Library
+ * Copyright (C) 2010 Shinichiro Nakamura (CuBeatSystems)
+ * http://shinta.main.jp/
+ *
+ * CameraC1098-SS Library
+ * Copyright (C) 2012 Tadao Iida
+ */
+
+#include "mbed.h"
+#include "SerialBuffered.h"
+
+#ifndef _CAMERA_C1098_H_
+#define _CAMERA_C1098_H_
+
+/*
+ * Class: CameraC1098
+ */
+ 
+class CameraC1098 {
+public:
+
+    /**
+     * @enum JPEG resolution.
+     */
+    enum JpegResolution {
+         JpegResolution80x64 = 0x01,   // unofficial
+         JpegResolution160x128 = 0x03, // unofficial
+         JpegResolution320x240 = 0x05, // QVGA
+         JpegResolution640x480 = 0x07  // VGA
+    };
+
+    /**
+     * @enum Error number.
+     */
+    enum ErrorNumber {
+        NoError = 0x00,
+        UnexpectedReply = 0x04,
+        ParameterError = 0x0b,
+        SendRegisterTimeout = 0x0c,
+        CommandIdError = 0x0d,
+        CommandHeaderError = 0xf0,
+        SetTransferPackageSizeWrong = 0x11
+    };
+
+    /**
+     * @enum Baud rate.
+     */
+    enum Baud {
+        Baud460800 = 0x02,
+        Baud230400 = 0x03,
+        Baud115200 = 0x04,
+        Baud57600  = 0x05,
+        Baud28800  = 0x06,
+        Baud14400  = 0x07  // Default. 
+    };
+
+    /**
+     *  @enum Reset type.
+     */
+    enum ResetType {
+        Nomal = 0x00,
+        High  = 0xff
+    };
+
+    /** Constructor.
+     *
+     * @param tx A pin for transmit.
+     * @param rx A pin for receive.
+     * @param baud Baud rate. (Default is 14400.)
+     */
+    CameraC1098(PinName tx, PinName rx, int baud = 14400);
+
+    /** Destructor.
+     * 
+     */
+    ~CameraC1098();
+
+    /** sync 
+     * Make a sync. for baud rate.
+     */
+    ErrorNumber sync();
+
+    /** Initialize.
+     * 
+     *
+     * @param baud Camera Interface Speed.
+     * @param jr JPEG resolution.
+     */
+    ErrorNumber init(Baud baud, JpegResolution jr);
+
+    /** getJpegSnapshotPicture
+     * Get JPEG snapshot picture.
+     *
+     * @param func A pointer to a callback function.
+     *             You can block this function until saving the image datas.
+     * @return Status of the error.
+     */
+    ErrorNumber getJpegSnapshotPicture(void(*func)(char *buf, size_t siz));
+
+    /** setmbedBaud
+     *  mbed Interface Speed.
+     *
+     *  @param baud mbed Interface Speed.
+     */
+    void setmbedBaud(Baud baud);
+    
+private:
+    SerialBuffered serial;
+    static const int COMMAND_LENGTH = 6;
+    static const int SYNCMAX = 60;
+    static const int packageSize = 256;
+
+    ErrorNumber sendInitial(Baud band, JpegResolution jr);
+    ErrorNumber sendGetPicture(void);
+    ErrorNumber sendSnapshot(void);    
+    ErrorNumber sendSetPackageSize(uint16_t packageSize);
+    ErrorNumber sendReset(ResetType specialReset);  
+    ErrorNumber recvData(uint32_t *length);
+    ErrorNumber sendSync();
+    ErrorNumber recvSync();
+    ErrorNumber sendAck(uint8_t commandId, uint16_t packageId);
+    ErrorNumber recvAckOrNck();
+
+    bool sendBytes(char *buf, size_t len, int timeout_us = 20000);
+    bool recvBytes(char *buf, size_t len, int timeout_us = 20000);
+    bool waitRecv();
+    bool waitIdle();
+};
+
+#endif