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36 
37 #ifndef QMODBUS_SYMBOLS_P_H
38 #define QMODBUS_SYMBOLS_P_H
39 
40 //
41 //  W A R N I N G
42 //  -------------
43 //
44 // This file is not part of the Qt API.  It exists purely as an
45 // implementation detail.  This header file may change from version to
46 // version without notice, or even be removed.
47 //
48 // We mean it.
49 //
50 
51 enum Coil {
52     On = 0xff00,
53     Off = 0x0000
54 };
55 
56 namespace Diagnostics {
57 
58 enum SubFunctionCode {
59     ReturnQueryData = 0x0000,
60     RestartCommunicationsOption = 0x0001,
61     ReturnDiagnosticRegister = 0x0002,
62     ChangeAsciiInputDelimiter = 0x0003,
63     ForceListenOnlyMode = 0x0004,
64     ClearCountersAndDiagnosticRegister = 0x000a,
65     ReturnBusMessageCount = 0x000b,
66     ReturnBusCommunicationErrorCount = 0x000c,  // CRC error counter
67     ReturnBusExceptionErrorCount = 0x000d,
68     ReturnServerMessageCount = 0x000e,
69     ReturnServerNoResponseCount = 0x000f,
70     ReturnServerNAKCount = 0x0010,
71     ReturnServerBusyCount = 0x0011,
72     ReturnBusCharacterOverrunCount = 0x0012,
73     ClearOverrunCounterAndFlag = 0x0014
74 };
75 
76 }
77 
78 namespace EncapsulatedInterfaceTransport {
79 
80 enum SubFunctionCode {
81     CanOpenGeneralReference = 0x0D,
82     ReadDeviceIdentification = 0x0E
83 };
84 
85 }
86 
87 #endif // QMODBUS_SYMBOLS_P_H
88