branches/linux-serial/H7Serial.cpp


#include "StdAfx.h"

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