1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
|
/**
* N: I/O
*/
#ifndef NIO_H
#define NIO_H
#define DFUJI 0x71
#define DREAD 0x40
#define DWRITE 0x80
#define DUPDATE 0xC0
#define OREAD 0x04
#define OWRITE 0x08
#define OUPDATE 0x0C
#define SUCCESS 1
#define DERROR 144
#define DVSTAT_BYTES_WATING_LO 0
#define DVSTAT_BYTES_WATING_HI 1
#define DVSTAT_PROTOCOL 2
#define DVSTAT_EXTENDED_ERROR 3
/**
* Open N: device with devicespec
* @param devicespec - an N: device spec, e.g. N:TCP://FOO.COM:1234/
* @param translation mode, 0=none, 1=cr, 2=lf, 3=cr/lf
* @return error code, or 1 if successful.
*/
unsigned char nopen(char* devicespec, unsigned char trans);
/**
* Close N: device with devicespec
* @param devicespec - an N: device spec to close (the unit number is extracted)
* @return error code, or 1 if successful.
*/
unsigned char nclose(char* devicespec);
/**
* Get status of specific N: device
* @param devicespec - an N: device spec to status (the unit number is extracted)
* @return error code, or 1 if successful, DVSTAT is also filled with status info.
*
* Format of DVSTAT:
* OS.dcb.dvstat[0] = # of bytes waiting LO
* OS.dcb.dvstat[1] = # of bytes waiting HI
* OS.dcb.dvstat[2] = reserved
* OS.dcb.dvstat[3] = Error code of last I/O operation. !1 = error.
*/
unsigned char nstatus(char* devicespec);
/**
* Read # of bytes from specific N: device.
* @param devicespec - an N: device spec to read bytes from.
* @param buf - The buffer to read into, must be at least as big as len.
* @param len - The # of bytes to read (up to 65535)
* @return error code, or 1 if successful, buf is filled with data.
*/
unsigned char nread(char* devicespec, unsigned char* buf, unsigned short len);
/**
* Write # of bytes to specific N: device.
* @param devicespec - an N: device spec to write to.
* @param buf - The buffer to write to device, should be at least as big as len.
* @param len - The # of bytes to write (up to 65535)
* @return error code, or 1 if successful, buf is filled with data.
*/
unsigned char nwrite(char* devicespec, unsigned char* buf, unsigned short len);
/**
* Send username and password credentials
* @param devicespec - The devicespec.
* @param login - The username to send
* @param password - The password to send
*/
unsigned char nlogin(char* devicespec, char* login, char* password);
#endif /* NIO_H */
|
