photo.h

通过车载终端采集GPS数据

#ifndef PHOTO_HEADER
#define PHOTO_HEADER

//定义摄像头的波特率
#define PHOTOBAUD_115200 0x00h
#define PHOTOBAUD_9600 0x01h
#define PHOTOBAUD_14400 0x02h
#define PHOTOBAUD_19200 0x03h
#define PHOTOBAUD_38400 0x05h
#define PHOTOBAUD_57600 0x06h

#define PHOTOSTATE_THRD 0x80
//摄像头的四种状态机
//定义摄像头的状态
#define PHOTO_INIAL 0//初始状态
#define PHOTO_SENDINIAL 0//发送初始化
#define PHOTO_RECIEVEINIAL PHOTOSTATE_THRD+PHOTO_SENDINIAL//接受初始化信息
#define PHOTO_RECIEVEPHOTOINIAL PHOTOSTATE_THRD+PHOTO_SENDINIAL+0x10
#define PHOTO_SETFORMAT 1//发送设置图象格式
#define PHOTO_RECIEVEFORMAT PHOTOSTATE_THRD+PHOTO_SETFORMAT//接收设置图象格式
#define PHOTO_SETPACKETSIZE 2//设置包大小
#define PHOTO_RECIEVEPACKETSIZE PHOTOSTATE_THRD+PHOTO_SETPACKETSIZE//接收设置包大小
#define PHOTO_QUICKSNAP 3//快照
#define PHOTO_RECIEVEQUICKSNAP PHOTOSTATE_THRD+PHOTO_QUICKSNAP
#define PHOTO_GETPHOTODATA 4//获取照相数据
#define PHOTO_RECIEVEGETPHOTODATA  PHOTOSTATE_THRD+PHOTO_GETPHOTODATA//应答
#define PHOTO_PHOTOSNAP  PHOTOSTATE_THRD+PHOTO_GETPHOTODATA+0x10
#define PHOTO_FIRSTPHOTO 9
#define PHOTO_PHOTOPACKET PHOTOSTATE_THRD+PHOTO_FIRSTPHOTO
#define PHOTO_PHOTODATAREQ 5
#define PHOTO_RETRYDATA 7

#define PHOTO_RETRYDATATIMING 8
#define PHOTO_RECIEVERETRYDATA PHOTOSTATE_THRD+PHOTO_RETRYDATA
#define PHOTO_RECIEVETIMINGDATA PHOTOSTATE_THRD+PHOTO_RETRYDATATIMING
#define PHOTO_RESPONSEINIAL 6
#define PHOTO_PHOTODATAOVER 10

#define PHOTO_WAITCOMMAND PHOTOSTATE_THRD-1
#define PHOTO_NOPHOTO 0xff


//命令ID
#define PHOTO_COMMAND_INIAL 0x0d

#define PHOTO_ERRORPACKET 0xff//对于无法解析的包
//定义照片机返回应答的种类
#define PHOTO_RESPONSE_NUM 5
//应答
#define PHOTO_RET_INIAL 0//0x0d//初始化应答
#define PHOTO_RET_MODE 1//0x01//设置图象格式应答
#define PHOTO_RET_PACKETSIZE 2//0x06//设置包大小应答
#define PHOTO_RET_SNAP 3//0x05//快照应答
#define PHOTO_RET_DATA 4//0x04//照片数据应答
//相机主动发送的包
#define PHOTO_REQ_PHOTOINIAL 0x81
#define PHOTO_REQ_PHOTOSIZE 0x82
/*照片模式*/
#define PHOTO_VGAMODE 0x07//320*240, 352*288
#define PHOTO_CIFMODE 0x05//160*120, 176*144
#define PHOTO_QCIFMODE 0x03//640*480, 640*480

/***以下定义照片包的宏********/
#define PHOTO_PACK_NUM 200//最多200个包？
#define PHOTO_PACK_NOUSE 0x00//无需发送
#define PHOTO_PACK_WAITACK 0x01//等待确认


void photo_init();

//1s处理一次
void photo_1s_process();

//每50ms处理一次
void photo_process();

void photo_addretryThrd(Byte nValue);

//组织发送包
void photo_sendpacket(Byte* pBuf, Byte type, Uint16 value);

//发送模块
void photo_sendpro();


/***需要查询下一个，返回VALID_DATA
    不需要查询，返回INVALID_DATA***/
Byte photo_setnextPacket();


//接收模块
void photo_recievepro();

void photo_setPacketState(Byte nValue);

void photostart_photo(Byte *pMsgNum);

#define PHOTO_GPRSTIMEOUT 18//28//16
#define PHOTO_REPHOTOTIMEOUT 8

void photo_stopphoto();

#define PHOTO_DATASENDING 1
#define PHOTO_NODATASEND 0
Byte photo_getdatastatus();
#endif