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lf hid improvements - encoding and long tag simulation
[proxmark3-svn] / client / ui.c
1 //-----------------------------------------------------------------------------
2 // Copyright (C) 2009 Michael Gernoth <michael at gernoth.net>
3 // Copyright (C) 2010 iZsh <izsh at fail0verflow.com>
4 //
5 // This code is licensed to you under the terms of the GNU GPL, version 2 or,
6 // at your option, any later version. See the LICENSE.txt file for the text of
7 // the license.
8 //-----------------------------------------------------------------------------
9 // UI utilities
10 //-----------------------------------------------------------------------------
11
12 #include <stdbool.h>
13 #ifndef EXTERNAL_PRINTANDLOG
14 #include <stdlib.h>
15 #include <stdio.h>
16 #include <stdarg.h>
17 #include <readline/readline.h>
18 #include <pthread.h>
19 #endif
20
21 #include "ui.h"
22
23 double CursorScaleFactor = 1;
24 int PlotGridX=0, PlotGridY=0, PlotGridXdefault= 64, PlotGridYdefault= 64, CursorCPos= 0, CursorDPos= 0;
25 bool flushAfterWrite = false; //buzzy
26 int GridOffset = 0;
27 bool GridLocked = false;
28 bool showDemod = true;
29
30 static char *logfilename = "proxmark3.log";
31
32 #ifndef EXTERNAL_PRINTANDLOG
33 static pthread_mutex_t print_lock = PTHREAD_MUTEX_INITIALIZER;
34
35 void PrintAndLog(char *fmt, ...)
36 {
37 char *saved_line;
38 int saved_point;
39 va_list argptr, argptr2;
40 static FILE *logfile = NULL;
41 static int logging=1;
42
43 // lock this section to avoid interlacing prints from different threads
44 pthread_mutex_lock(&print_lock);
45
46 if (logging && !logfile) {
47 logfile=fopen(logfilename, "a");
48 if (!logfile) {
49 fprintf(stderr, "Can't open logfile, logging disabled!\n");
50 logging=0;
51 }
52 }
53
54 // If there is an incoming message from the hardware (eg: lf hid read) in
55 // the background (while the prompt is displayed and accepting user input),
56 // stash the prompt and bring it back later.
57 #ifdef RL_STATE_READCMD
58 // We are using GNU readline. libedit (OSX) doesn't support this flag.
59 int need_hack = (rl_readline_state & RL_STATE_READCMD) > 0;
60
61 if (need_hack) {
62 saved_point = rl_point;
63 saved_line = rl_copy_text(0, rl_end);
64 rl_save_prompt();
65 rl_replace_line("", 0);
66 rl_redisplay();
67 }
68 #endif
69
70 va_start(argptr, fmt);
71 va_copy(argptr2, argptr);
72 vprintf(fmt, argptr);
73 printf(" "); // cleaning prompt
74 va_end(argptr);
75 printf("\n");
76
77 #ifdef RL_STATE_READCMD
78 // We are using GNU readline. libedit (OSX) doesn't support this flag.
79 if (need_hack) {
80 rl_restore_prompt();
81 rl_replace_line(saved_line, 0);
82 rl_point = saved_point;
83 rl_redisplay();
84 free(saved_line);
85 }
86 #endif
87
88 if (logging && logfile) {
89 vfprintf(logfile, fmt, argptr2);
90 fprintf(logfile,"\n");
91 fflush(logfile);
92 }
93 va_end(argptr2);
94
95 if (flushAfterWrite) //buzzy
96 {
97 fflush(NULL);
98 }
99 //release lock
100 pthread_mutex_unlock(&print_lock);
101 }
102 #endif
103
104 void SetLogFilename(char *fn)
105 {
106 logfilename = fn;
107 }
108
109 void SetFlushAfterWrite(bool flush_after_write) {
110 flushAfterWrite = flush_after_write;
111 }
112
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