/[H7]/branches/linux-serial/H7Serial.cpp
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Annotation of /branches/linux-serial/H7Serial.cpp

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Revision 44 - (hide annotations) (download)
Sun Feb 4 21:22:44 2007 UTC (17 years, 4 months ago) by torben
File size: 1599 byte(s)
Clean the MFC heavy code, so it at least will compile with G++


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    
9 torben 38 CH7Serial::CH7Serial(void)
10     : CSlipSerial()
11     {
12     }
13    
14     CH7Serial::CH7Serial(char* port, int bitrate)
15     : CSlipSerial(port, bitrate)
16     {
17     }
18    
19     CH7Serial::~CH7Serial(void)
20     {
21     }
22    
23     short CH7Serial::readTarget(unsigned char target)
24     {
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 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     unsigned char frame[2];
56     unsigned char hi_target = (target & 0x0F) << 4;
57     frame[0] = hi_target | 0x01;
58     frame[1] = data;
59    
60     writeFrame(frame,2);
61     Sleep(50); //be nice and wait a little
62     std::vector<unsigned char> answer = readFrame();
63    
64     if (answer.size() == 0)
65 torben 44 throw std::runtime_error("No reply");
66 torben 38
67     if ( (answer[0] & 0x0F) != 0x02) // tjek for ACK
68 torben 44 throw std::runtime_error("Request not acknowledged");
69 torben 38
70     if ( (answer[0] & 0xF0) != hi_target)
71 torben 44 throw std::runtime_error("Incorrect reply");
72 torben 38 }
73    
74    

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