branches/linux-serial/H7Serial.cpp


#include "stdafx.h"

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

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

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

CH7Serial::~CH7Serial(void)
{
}

short CH7Serial::readTarget(unsigned char target)
{
        using namespace std;
        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::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;

        writeFrame(frame,2);
        Sleep(50); //be nice and wait a little
        std::vector<unsigned char> answer = readFrame();
        
        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	51	#include "stdafx.h"
3	torben	38
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	torben	54	CH7Serial::CH7Serial(char* port, Baudrate bitrate)
14	torben	38	: 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	torben	38	short retval;
26			unsigned char frame[1];
27			unsigned char hi_target = (target & 0x0F) << 4;
28			frame[0] = hi_target \| 0x00;
29
30			writeFrame(frame,1);
31			Sleep(50); //be nice and wait a little
32			std::vector<unsigned char> answer = readFrame();
33
34			if (answer.size() == 0)
35	torben	44	throw std::runtime_error("No reply");
36	torben	38
37			if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK
38	torben	44	throw std::runtime_error("Request not acknowledged");
39	torben	38
40			if ( (answer[0] & 0xF0) != hi_target)
41	torben	44	throw std::runtime_error("Incorrect reply");
42	torben	38
43			if (answer.size() == 2)
44			retval = answer[1];
45			else if (answer.size() == 3)
46			retval = (answer[1]<<8) \| answer[2];
47			else
48			retval = -1;
49
50			return retval;
51			}
52
53			void CH7Serial::writeTarget(unsigned char target, unsigned char data)
54			{
55	torben	46	using namespace std;
56	torben	38	unsigned char frame[2];
57			unsigned char hi_target = (target & 0x0F) << 4;
58			frame[0] = hi_target \| 0x01;
59			frame[1] = data;
60
61			writeFrame(frame,2);
62			Sleep(50); //be nice and wait a little
63			std::vector<unsigned char> answer = readFrame();
64	torben	46
65	torben	38	if (answer.size() == 0)
66	torben	44	throw std::runtime_error("No reply");
67	torben	38
68			if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK
69	torben	44	throw std::runtime_error("Request not acknowledged");
70	torben	38
71			if ( (answer[0] & 0xF0) != hi_target)
72	torben	44	throw std::runtime_error("Incorrect reply");
73	torben	38	}
74
75