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	#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	serialLock.Lock();
21	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	Sleep(50); //be nice and wait a little
28	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	// if ( (answer[0] & 0xF0) != hi_target)
37	// throw std::exception("Incorrect reply");
38
39
40	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	serialLock.Unlock();
48	return retval;
49	}
50
51	void CH7Serial::writeTarget(unsigned char target, unsigned char data)
52	{
53	serialLock.Lock();
54	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
72	serialLock.Unlock();
73	}
74
75