Mercurial > hg > toybox

annotate toys/other/acpi.c @ 1064:0d7d6fed8141 draft

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi. I could probably add -c fairly easily (print type, cur_state, and max_state) -t is more difficult, since temperatures are reported in at least 1000 * degrees F and 10 * degrees C.
author Isaac Dunham <ibid.ag@gmail.com>
date Mon, 09 Sep 2013 11:19:59 -0500
parents
children 9211bc984285
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
1064
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
1 /* acpi.c - show power state
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
2 * Written by Isaac Dunham, 2013
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
3 * No standard.
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
4 USE_ACPI(NEWTOY(acpi, "ab", TOYFLAG_USR|TOYFLAG_BIN))
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
5
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
6 config ACPI
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
7 bool "acpi"
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
8 default n
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
9 help
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
10 usage: acpi [-ab]
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
11
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
12 Show status of power sources.
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
13 -a show power adapters
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
14 -b show batteries
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
15 */
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
16
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
17 #define FOR_acpi
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
18 #include "toys.h"
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
19
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
20 GLOBALS(
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
21 int ac;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
22 int bat;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
23 )
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
24
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
25 int read_int_at(int dirfd, char *name) {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
26 int fd, ret=0;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
27 if ((fd=openat(dirfd, name, O_RDONLY)) < 0)
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
28 return -1;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
29 FILE * fil = xfdopen(fd, "r");
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
30 fscanf(fil, "%d", &ret);
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
31 fclose(fil);
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
32 return ret;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
33 }
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
34
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
35 int acpi_callback(struct dirtree *tree)
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
36 {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
37 errno = 0;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
38
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
39 if (tree->name[0]=='.')
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
40 return 0;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
41 if (strlen(dirtree_path(tree, NULL)) < 26) {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
42 return (DIRTREE_RECURSE | DIRTREE_SYMFOLLOW);
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
43 }
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
44 int dfd=open(dirtree_path(tree, NULL), O_RDONLY);
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
45 if (dfd > 0) {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
46 int fd;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
47 if ((fd = openat(dfd, "type", O_RDONLY)) < 0) {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
48 close(dfd);
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
49 return 0;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
50 }
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
51 read(fd, toybuf, 4096);
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
52 close(fd);
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
53 if (0 == strncmp(toybuf, "Battery", 7)) {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
54 if (toys.optflags & FLAG_b || (!toys.optflags)) {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
55 int cap = 0, curr = 0, max = 0;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
56 if ((cap = read_int_at(dfd, "capacity")) < 0) {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
57 if ((max = read_int_at(dfd, "charge_full")) > 0) {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
58 curr = read_int_at(dfd, "charge_now");
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
59 } else if ((max = read_int_at(dfd, "energy_full")) > 0) {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
60 curr = read_int_at(dfd, "energy_now");
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
61 }
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
62 if (max > 0 && (curr >= 0))
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
63 cap = 100 * curr / max;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
64 }
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
65 if (cap >= 0) printf("Battery %d: %d%%\n", TT.bat++, cap);
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
66 }
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
67 } else {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
68 //ac
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
69 if (toys.optflags & FLAG_a) {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
70 int on;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
71 if ((on = read_int_at(dfd, "online")) >= 0)
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
72 printf("Adapter %d: %s-line\n", TT.ac++, (on ? "on" : "off"));
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
73 }
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
74 }
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
75 close(dfd);
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
76 }
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
77 return 0;
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
78 }
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
79
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
80 void acpi_main(void)
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
81 {
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
82 dirtree_read("/sys/class/power_supply", acpi_callback);
0d7d6fed8141 I got tired of trying to guess how much terminal time I could get in on my phone, so here's a basic acpi.
Isaac Dunham <ibid.ag@gmail.com>
parents:
diff changeset
83 }