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
2	#include "stdafx.h"
3
4	#include "H7Serial.h"
5	#include <stdexcept>
6	#include <iostream>
7
8	CH7Serial::CH7Serial(void)
9	: CSlipSerial()
10	{
11	}
12
13	CH7Serial::CH7Serial(char* port, Baudrate bitrate)
14	: CSlipSerial(port, bitrate)
15	{
16	}
17
18	CH7Serial::~CH7Serial(void)
19	{
20	}
21
22	short CH7Serial::readTarget(unsigned char target)
23	{
24	using namespace std;
25	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	throw std::runtime_error("No reply");
36
37	if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK
38	throw std::runtime_error("Request not acknowledged");
39
40	if ( (answer[0] & 0xF0) != hi_target)
41	throw std::runtime_error("Incorrect reply");
42
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	using namespace std;
56	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
65	if (answer.size() == 0)
66	throw std::runtime_error("No reply");
67
68	if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK
69	throw std::runtime_error("Request not acknowledged");
70
71	if ( (answer[0] & 0xF0) != hi_target)
72	throw std::runtime_error("Incorrect reply");
73	}
74
75