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Fork of CameraC1098 by
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