1 /* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
3 * Conky, a system monitor, based on torsmo
5 * Any original torsmo code is licensed under the BSD license
7 * All code written since the fork of torsmo is licensed under the GPL
9 * Please see COPYING for details
11 * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
12 * Copyright (c) 2007 Toni Spets
13 * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
15 * All rights reserved.
17 * This program is free software: you can redistribute it and/or modify
18 * it under the terms of the GNU General Public License as published by
19 * the Free Software Foundation, either version 3 of the License, or
20 * (at your option) any later version.
22 * This program is distributed in the hope that it will be useful,
23 * but WITHOUT ANY WARRANTY; without even the implied warranty of
24 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 * GNU General Public License for more details.
26 * You should have received a copy of the GNU General Public License
27 * along with this program. If not, see <http://www.gnu.org/licenses/>.
29 * vim: ts=4 sw=4 noet ai cindent syntax=c
42 /* Here come the IBM ACPI-specific things. For reference, see
43 * http://ibm-acpi.sourceforge.net/README
44 * If IBM ACPI is installed, /proc/acpi/ibm contains the following files:
60 * The content of these files is described in detail in the aforementioned
61 * README - some of them also in the following functions accessing them.
62 * Peter Tarjan (ptarjan@citromail.hu) */
64 #define IBM_ACPI_DIR "/proc/acpi/ibm"
66 /* get fan speed on IBM/Lenovo laptops running the ibm acpi.
67 * /proc/acpi/ibm/fan looks like this (3 lines):
70 commands: enable, disable
71 * Peter Tarjan (ptarjan@citromail.hu) */
73 void get_ibm_acpi_fan(char *p_client_buffer, size_t client_buffer_size)
76 unsigned int speed = 0;
79 if (!p_client_buffer || client_buffer_size <= 0) {
83 snprintf(fan, 127, "%s/fan", IBM_ACPI_DIR);
90 if (fgets(line, 255, fp) == NULL) {
93 if (sscanf(line, "speed: %u", &speed)) {
98 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
99 "ibm* from your "PACKAGE_NAME" config file.", fan, strerror(errno));
103 snprintf(p_client_buffer, client_buffer_size, "%d", speed);
106 /* get the measured temperatures from the temperature sensors
107 * on IBM/Lenovo laptops running the ibm acpi.
108 * There are 8 values in /proc/acpi/ibm/thermal, and according to
109 * http://ibm-acpi.sourceforge.net/README
110 * these mean the following (at least on an IBM R51...)
111 * 0: CPU (also on the T series laptops)
112 * 1: Mini PCI Module (?)
114 * 3: GPU (also on the T series laptops)
119 * I'm not too sure about those with the question mark, but the values I'm
120 * reading from *my* thermal file (on a T42p) look realistic for the
121 * hdd and the battery.
122 * #5 and #7 are always -128.
123 * /proc/acpi/ibm/thermal looks like this (1 line):
124 temperatures: 41 43 31 46 33 -128 29 -128
125 * Peter Tarjan (ptarjan@citromail.hu) */
127 static double last_ibm_acpi_temp_time;
128 void get_ibm_acpi_temps(void)
134 /* don't update too often */
135 if (current_update_time - last_ibm_acpi_temp_time < 10.00) {
138 last_ibm_acpi_temp_time = current_update_time;
140 /* if (!p_client_buffer || client_buffer_size <= 0) {
144 snprintf(thermal, 127, "%s/thermal", IBM_ACPI_DIR);
145 fp = fopen(thermal, "r");
151 if (fgets(line, 255, fp) == NULL) {
154 if (sscanf(line, "temperatures: %d %d %d %d %d %d %d %d",
155 &ibm_acpi.temps[0], &ibm_acpi.temps[1], &ibm_acpi.temps[2],
156 &ibm_acpi.temps[3], &ibm_acpi.temps[4], &ibm_acpi.temps[5],
157 &ibm_acpi.temps[6], &ibm_acpi.temps[7])) {
162 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
163 "ibm* from your "PACKAGE_NAME" config file.", thermal, strerror(errno));
169 /* get volume (0-14) on IBM/Lenovo laptops running the ibm acpi.
170 * "Volume" here is none of the mixer volumes, but a "master of masters"
171 * volume adjusted by the IBM volume keys.
172 * /proc/acpi/ibm/fan looks like this (4 lines):
175 commands: up, down, mute
176 commands: level <level> (<level> is 0-15)
177 * Peter Tarjan (ptarjan@citromail.hu) */
179 void get_ibm_acpi_volume(char *p_client_buffer, size_t client_buffer_size)
183 unsigned int vol = -1;
186 if (!p_client_buffer || client_buffer_size <= 0) {
190 snprintf(volume, 127, "%s/volume", IBM_ACPI_DIR);
192 fp = fopen(volume, "r");
196 unsigned int read_vol = -1;
198 if (fgets(line, 255, fp) == NULL) {
201 if (sscanf(line, "level: %u", &read_vol)) {
205 if (sscanf(line, "mute: %s", mute)) {
210 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
211 "ibm* from your "PACKAGE_NAME" config file.", volume, strerror(errno));
216 if (strcmp(mute, "on") == 0) {
217 snprintf(p_client_buffer, client_buffer_size, "%s", "mute");
220 snprintf(p_client_buffer, client_buffer_size, "%d", vol);
225 /* static FILE *fp = NULL; */
227 /* get LCD brightness on IBM/Lenovo laptops running the ibm acpi.
228 * /proc/acpi/ibm/brightness looks like this (3 lines):
231 commands: level <level> (<level> is 0-7)
232 * Peter Tarjan (ptarjan@citromail.hu) */
234 void get_ibm_acpi_brightness(char *p_client_buffer, size_t client_buffer_size)
237 unsigned int brightness = 0;
240 if (!p_client_buffer || client_buffer_size <= 0) {
244 snprintf(filename, 127, "%s/brightness", IBM_ACPI_DIR);
246 fp = fopen(filename, "r");
251 if (fgets(line, 255, fp) == NULL) {
254 if (sscanf(line, "level: %u", &brightness)) {
259 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
260 "ibm* from your "PACKAGE_NAME" config file.", filename, strerror(errno));
265 snprintf(p_client_buffer, client_buffer_size, "%d", brightness);