trunk/H7%20Server/H7Serial.cpp

#include "StdAfx.h"
#include ".\h7serial.h"

CH7Serial::CH7Serial(void)
: CSlipSerial()
{
}

CH7Serial::CH7Serial(char* port, int bitrate)
: CSlipSerial(port, bitrate)
{
}

CH7Serial::~CH7Serial(void)
{
}

short CH7Serial::readTarget(unsigned char target)
{
        serialLock.Lock();
        short retval;
        unsigned char frame[1];
        unsigned char hi_target = (target & 0x0F) << 4;
        frame[0] = hi_target | 0x00;

        writeFrame(frame,1);
        Sleep(50); //be nice and wait a little
        std::vector<unsigned char> answer = readFrame();

        if (answer.size() == 0)
                throw std::exception("No reply");

        if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK 
                throw std::exception("Request not acknowledged");

//      if ( (answer[0] & 0xF0) != hi_target)
//              throw std::exception("Incorrect reply");


        if (answer.size() == 2)
                retval = answer[1];
        else if (answer.size() == 3)
                retval = (answer[1]<<8) | answer[2];
        else
                retval = -1;

        serialLock.Unlock();
        return retval;
}

void CH7Serial::writeTarget(unsigned char target, unsigned char data)
{
        serialLock.Lock();
        unsigned char frame[2];
        unsigned char hi_target = (target & 0x0F) << 4;
        frame[0] = hi_target | 0x01;
        frame[1] = data;

        writeFrame(frame,2);
        Sleep(50); //be nice and wait a little
        std::vector<unsigned char> answer = readFrame();

        if (answer.size() == 0)
                throw std::exception("No reply");

        if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK 
                throw std::exception("Request not acknowledged");

        if ( (answer[0] & 0xF0) != hi_target)
                throw std::exception("Incorrect reply");
        
        serialLock.Unlock();
}


1	torben	23	#include "StdAfx.h"
2			#include ".\h7serial.h"
3
4			CH7Serial::CH7Serial(void)
5			: CSlipSerial()
6			{
7			}
8
9			CH7Serial::CH7Serial(char* port, int bitrate)
10			: CSlipSerial(port, bitrate)
11			{
12			}
13
14			CH7Serial::~CH7Serial(void)
15			{
16			}
17
18			short CH7Serial::readTarget(unsigned char target)
19			{
20	hedin	33	serialLock.Lock();
21	torben	23	short retval;
22			unsigned char frame[1];
23			unsigned char hi_target = (target & 0x0F) << 4;
24			frame[0] = hi_target \| 0x00;
25
26			writeFrame(frame,1);
27	torben	25	Sleep(50); //be nice and wait a little
28	torben	23	std::vector<unsigned char> answer = readFrame();
29
30			if (answer.size() == 0)
31			throw std::exception("No reply");
32
33			if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK
34			throw std::exception("Request not acknowledged");
35
36	hedin	33	// if ( (answer[0] & 0xF0) != hi_target)
37			// throw std::exception("Incorrect reply");
38	torben	23
39	hedin	33
40	torben	23	if (answer.size() == 2)
41			retval = answer[1];
42			else if (answer.size() == 3)
43			retval = (answer[1]<<8) \| answer[2];
44			else
45			retval = -1;
46
47	hedin	33	serialLock.Unlock();
48	torben	23	return retval;
49			}
50
51			void CH7Serial::writeTarget(unsigned char target, unsigned char data)
52			{
53	hedin	33	serialLock.Lock();
54	torben	23	unsigned char frame[2];
55			unsigned char hi_target = (target & 0x0F) << 4;
56			frame[0] = hi_target \| 0x01;
57			frame[1] = data;
58
59			writeFrame(frame,2);
60			Sleep(50); //be nice and wait a little
61			std::vector<unsigned char> answer = readFrame();
62
63			if (answer.size() == 0)
64			throw std::exception("No reply");
65
66			if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK
67			throw std::exception("Request not acknowledged");
68
69			if ( (answer[0] & 0xF0) != hi_target)
70			throw std::exception("Incorrect reply");
71	hedin	33
72			serialLock.Unlock();
73	torben	23	}
74
75