Files
pip/piserial.h
2012-02-08 19:39:21 +04:00

122 lines
3.7 KiB
C++

/*
PIP - Platform Independent Primitives
COM
Copyright (C) 2011 Ivan Pelipenko peri4ko@gmail.com, Bychkov Andrey wapmobil@gmail.com
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef PISERIAL_H
#define PISERIAL_H
#include "pithread.h"
#include "pistring.h"
#ifndef WINDOWS
# include <termios.h>
# include <fcntl.h>
#else
# define B110 110
# define B300 300
# define B600 600
# define B1200 1200
# define B2400 2400
# define B4800 4800
# define B9600 9600
# define B14400 14400
# define B19200 19200
# define B38400 38400
# define B57600 57600
# define B115200 115200
# define B128000 128000
# define B256000 256000
#endif
#define SERIAL_BUFFER_SIZE 4096
typedef bool (*SerialFunc)(void * , uchar * , int );
typedef bool (*SerialHeaderFunc)(void * , uchar * , uchar * , int );
class PISerial: public PIThread {
public:
// slot is any function format "bool <func>(void*, uchar*, int)"
// slot_header is any function format "bool <func>(void*, uchar*, uchar*, int)"
PISerial(PIString name = "serial", void * data = 0, SerialFunc slot = 0, SerialHeaderFunc slot_header = headerValidate);
~PISerial();
enum Parameters {ParityControl = 0x01, ParityOdd = 0x02, TwoStopBits = 0x04};
enum Speed {
S110 = 110,
S300 = 300,
S600 = 600,
S1200 = 1200,
S2400 = 2400,
S4800 = 4800,
S9600 = 9600,
S19200 = 19200,
S38400 = 38400,
S57600 = 57600,
S115200 = 115200
};
void setSlot(SerialFunc func) {ret_func = func;}
void setSpeed(PISerial::Speed speed) {ospeed = ispeed = speed;}
void setOutSpeed(PISerial::Speed speed) {ospeed = speed;}
void setInSpeed(PISerial::Speed speed) {ispeed = speed;}
void setDevice(const PIString & dev) {devName = dev;}
void setParameters(PIFlags<PISerial::Parameters> parameters) {params = parameters;}
void setData(void * d) {data = d;}
void setReadData(void * headerPtr, int headerSize, int dataSize) {this->headerPtr = headerPtr; this->headerSize = headerSize; this->dataSize = dataSize;}
bool send(uchar * data, int size);
bool init();
bool initialized() const {return fd != -1;}
void terminate();
PIByteArray lastHeader() {return mheader;}
ullong missedBytes() const {return missed;}
ullong missedPackets() const {return (packetSize == 0 ? 0 : missed / packetSize);}
private:
int convertSpeed(PISerial::Speed speed);
static bool headerValidate(void * d, uchar * src, uchar * rec, int size) {for (int i = 0; i < size; ++i) if (src[i] != rec[i]) return false; return true;}
void begin();
void run();
void end();
#ifdef WINDOWS
DCB desc, sdesc;
void * hCom;
DWORD readed, mask;
#else
termios desc, sdesc;
uint readed;
#endif
int fd;
PISerial::Speed ospeed, ispeed;
PIString devName;
SerialFunc ret_func;
SerialHeaderFunc ret_func_header;
uchar buffer[SERIAL_BUFFER_SIZE], sbuffer[SERIAL_BUFFER_SIZE];
PIByteArray mheader;
void * headerPtr, * data;
int dataSize, headerSize, packetSize, allReaded, addSize, curInd;
ullong missed;
PIFlags<PISerial::Parameters> params;
bool first;
};
#endif // PISERIAL_H