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
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/************************************************************************
* This file is part of trayfreq. *
* *
* trayfreq is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published *
* by the Free Software Foundation; either version 3 of the License, or *
* (at your option) any later version. *
* *
* trayfreq is distributed in the hope that it will be useful, *
* but WITHOUT ANY WARRANTY; without even the implied warranty of *
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
* GNU General Public License for more details. *
* *
* You should have received a copy of the GNU General Public License *
* along with trayfreq. If not, see <http://www.gnu.org/licenses/>. *
************************************************************************/
#include "getbat.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <glib.h>
gint BAT_NUM;
gint MAX_CAPACITY;
gint WARN_CAPACITY;
gint LOW_CAPACITY;
gchar INFO_PATH[30];
gchar STATE_PATH[30];
static gint get_bat_num()
{
FILE* fd;
gchar file[30];
gint i;
for(i = 0; i < 3; ++i)
{
memset(file, '\0', 30);
sprintf(file, "/proc/acpi/battery/BAT%i/info", i);
if((fd = fopen(file, "r")) != NULL)
return i;
}
return -1;
}
static gint get_int(char* line)
{
char numbers[] = "1234567890";
char* first_num;
first_num = strpbrk (line, numbers);
if(first_num)
return atoi(first_num);
return 1;
}
static gint get_int_value_from_file(const gchar* path, const gchar* label, int label_size)
{
FILE* fd;
gchar buff[100];
gint value;
if(!(fd = fopen(path, "r")))
return -1;
while(fgets(buff, 100, fd)!= NULL)
{
if(strncmp(label, buff, label_size) == 0)
{
value = get_int(buff);
break;
}
}
fclose(fd);
return value;
}
static gboolean file_has_line(const gchar* path, const gchar* line)
{
FILE* fd;
gchar buff[100];
if(!(fd = fopen(path, "r")))
return FALSE;
while(fgets(buff, 100, fd) != NULL)
{
if(strstr(buff, line) != NULL)
{
fclose(fd);
return TRUE;
}
}
fclose(fd);
return FALSE;
}
gboolean gb_init()
{
BAT_NUM = get_bat_num();
sprintf(INFO_PATH, "/proc/acpi/battery/BAT%i/info", gb_number());
sprintf(STATE_PATH, "/proc/acpi/battery/BAT%i/state", gb_number());
FILE* fd;
gchar buff[100];
if(!(fd = fopen(INFO_PATH, "r")))
return FALSE;
while(fgets(buff, 100, fd)!= NULL)
{
if(strncmp("last full capacity:", buff, 19) == 0)
MAX_CAPACITY = get_int(buff);
else if(strncmp("design capacity warning:", buff, 24) == 0)
WARN_CAPACITY = get_int(buff);
else if(strncmp("design capacity low:", buff, 20) == 0)
LOW_CAPACITY = get_int(buff);
else if(strncmp("present: no",buff, 27) == 0)
return FALSE;
}
fclose(fd);
return TRUE;
}
/* To do: replace with '#define's */
gint gb_current_capacity()
{
return get_int_value_from_file(STATE_PATH, "remaining capacity:", 19);
}
gint gb_current_rate()
{
return get_int_value_from_file(STATE_PATH, "present rate:", 13);
}
gboolean gb_discharging()
{
return file_has_line(STATE_PATH, "discharging");
}
gboolean gb_charged()
{
return file_has_line(STATE_PATH, "charged");
}
gboolean gb_charging()
{
if(!file_has_line(STATE_PATH, "discharging") && !file_has_line(STATE_PATH, "charged"))
return TRUE;
return FALSE;
}
gint gb_number()
{
return BAT_NUM;
}
gint gb_max_capacity()
{
return MAX_CAPACITY;
}
gint gb_warn_capacity()
{
return WARN_CAPACITY;
}
gint gb_low_capacity()
{
return LOW_CAPACITY;
}
gint gb_percent()
{
int percent, max_capacity;
if ( (max_capacity = gb_max_capacity()) == 0 )
return 0;
percent = (gb_current_capacity() * 100) / max_capacity;
if (percent > 100)
percent = 100;
return percent;
}
void gb_discharge_time(gchar* time)
{
float ftime = (float)gb_current_capacity() / (float)gb_current_rate();
float minutes = ((float)ftime - (int)ftime) * (float)60;
if(minutes < 10)
sprintf(time, "%i:0%i", (int)ftime, (int)minutes);
else
sprintf(time, "%i:%i", (int)ftime, (int)minutes);
}
void gb_charge_time(gchar* time)
{
float ftime = ((float)gb_max_capacity() - (float)gb_current_capacity()) / (float)gb_current_rate();
float minutes = ((float)ftime - (int)ftime) * (float)60;
if(minutes < 10)
sprintf(time, "%i:0%i", (int)ftime, (int)minutes);
else
sprintf(time, "%i:%i", (int)ftime, (int)minutes);
}
|
