branches/linux-serial/H7Serial.cpp


#ifdef _WINDOWS
#include "StdAfx.h"
#endif

#include "H7Serial.h"
#include <stdexcept>
#include <iostream>

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

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

CH7Serial::~CH7Serial(void)
{
}

short CH7Serial::readTarget(unsigned char target)
{
        using namespace std;
        cout << "read start" << endl;
        short retval;
        unsigned char frame[1];
        unsigned char hi_target = (target & 0x0F) << 4;
        frame[0] = hi_target | 0x00;

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

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

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

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

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

        return retval;
}

void CH7Serial::writeTarget(unsigned char target, unsigned char data)
{
        using namespace std;
        unsigned char frame[2];
        unsigned char hi_target = (target & 0x0F) << 4;
        frame[0] = hi_target | 0x01;
        frame[1] = data;
        cout << "write start" << endl;

        writeFrame(frame,2);
        cout << "write mid" << endl;
        Sleep(50); //be nice and wait a little
        std::vector<unsigned char> answer = readFrame();
        
        cout << "write stop" << endl;
        if (answer.size() == 0)
                throw std::runtime_error("No reply");

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

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


1	torben	44
2			#ifdef _WINDOWS
3	torben	38	#include "StdAfx.h"
4	torben	44	#endif
5	torben	38
6	torben	44	#include "H7Serial.h"
7			#include <stdexcept>
8	torben	46	#include <iostream>
9	torben	44
10	torben	38	CH7Serial::CH7Serial(void)
11			: CSlipSerial()
12			{
13			}
14
15			CH7Serial::CH7Serial(char* port, int bitrate)
16			: CSlipSerial(port, bitrate)
17			{
18			}
19
20			CH7Serial::~CH7Serial(void)
21			{
22			}
23
24			short CH7Serial::readTarget(unsigned char target)
25			{
26	torben	46	using namespace std;
27			cout << "read start" << endl;
28	torben	38	short retval;
29			unsigned char frame[1];
30			unsigned char hi_target = (target & 0x0F) << 4;
31			frame[0] = hi_target \| 0x00;
32
33			writeFrame(frame,1);
34	torben	46	cout << "read mid" << endl;
35	torben	38	Sleep(50); //be nice and wait a little
36			std::vector<unsigned char> answer = readFrame();
37	torben	46	cout << "read done" << endl;
38	torben	38
39			if (answer.size() == 0)
40	torben	44	throw std::runtime_error("No reply");
41	torben	38
42			if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK
43	torben	44	throw std::runtime_error("Request not acknowledged");
44	torben	38
45			if ( (answer[0] & 0xF0) != hi_target)
46	torben	44	throw std::runtime_error("Incorrect reply");
47	torben	38
48			if (answer.size() == 2)
49			retval = answer[1];
50			else if (answer.size() == 3)
51			retval = (answer[1]<<8) \| answer[2];
52			else
53			retval = -1;
54
55			return retval;
56			}
57
58			void CH7Serial::writeTarget(unsigned char target, unsigned char data)
59			{
60	torben	46	using namespace std;
61	torben	38	unsigned char frame[2];
62			unsigned char hi_target = (target & 0x0F) << 4;
63			frame[0] = hi_target \| 0x01;
64			frame[1] = data;
65	torben	46	cout << "write start" << endl;
66	torben	38
67			writeFrame(frame,2);
68	torben	46	cout << "write mid" << endl;
69	torben	38	Sleep(50); //be nice and wait a little
70			std::vector<unsigned char> answer = readFrame();
71	torben	46
72			cout << "write stop" << endl;
73	torben	38	if (answer.size() == 0)
74	torben	44	throw std::runtime_error("No reply");
75	torben	38
76			if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK
77	torben	44	throw std::runtime_error("Request not acknowledged");
78	torben	38
79			if ( (answer[0] & 0xF0) != hi_target)
80	torben	44	throw std::runtime_error("Incorrect reply");
81	torben	38	}
82
83