1 /* -*- mode: c; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: t -*-
2 * vim: ts=4 sw=4 noet ai cindent syntax=c
4 * Conky, a system monitor, based on torsmo
6 * Any original torsmo code is licensed under the BSD license
8 * All code written since the fork of torsmo is licensed under the GPL
10 * Please see COPYING for details
12 * Copyright (c) 2004, Hannu Saransaari and Lauri Hakkarainen
13 * Copyright (c) 2007 Toni Spets
14 * Copyright (c) 2005-2009 Brenden Matthews, Philip Kovacs, et. al.
16 * All rights reserved.
18 * This program is free software: you can redistribute it and/or modify
19 * it under the terms of the GNU General Public License as published by
20 * the Free Software Foundation, either version 3 of the License, or
21 * (at your option) any later version.
23 * This program is distributed in the hope that it will be useful,
24 * but WITHOUT ANY WARRANTY; without even the implied warranty of
25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
26 * GNU General Public License for more details.
27 * You should have received a copy of the GNU General Public License
28 * along with this program. If not, see <http://www.gnu.org/licenses/>.
41 /* Here come the IBM ACPI-specific things. For reference, see
42 * http://ibm-acpi.sourceforge.net/README
43 * If IBM ACPI is installed, /proc/acpi/ibm contains the following files:
59 * The content of these files is described in detail in the aforementioned
60 * README - some of them also in the following functions accessing them.
61 * Peter Tarjan (ptarjan@citromail.hu) */
63 #define IBM_ACPI_DIR "/proc/acpi/ibm"
65 /* get fan speed on IBM/Lenovo laptops running the ibm acpi.
66 * /proc/acpi/ibm/fan looks like this (3 lines):
69 commands: enable, disable
70 * Peter Tarjan (ptarjan@citromail.hu) */
72 void get_ibm_acpi_fan(char *p_client_buffer, size_t client_buffer_size)
75 unsigned int speed = 0;
78 if (!p_client_buffer || client_buffer_size <= 0) {
82 snprintf(fan, 127, "%s/fan", IBM_ACPI_DIR);
89 if (fgets(line, 255, fp) == NULL) {
92 if (sscanf(line, "speed: %u", &speed)) {
97 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
98 "ibm* from your "PACKAGE_NAME" config file.", fan, strerror(errno));
102 snprintf(p_client_buffer, client_buffer_size, "%d", speed);
105 /* get the measured temperatures from the temperature sensors
106 * on IBM/Lenovo laptops running the ibm acpi.
107 * There are 8 values in /proc/acpi/ibm/thermal, and according to
108 * http://ibm-acpi.sourceforge.net/README
109 * these mean the following (at least on an IBM R51...)
110 * 0: CPU (also on the T series laptops)
111 * 1: Mini PCI Module (?)
113 * 3: GPU (also on the T series laptops)
118 * I'm not too sure about those with the question mark, but the values I'm
119 * reading from *my* thermal file (on a T42p) look realistic for the
120 * hdd and the battery.
121 * #5 and #7 are always -128.
122 * /proc/acpi/ibm/thermal looks like this (1 line):
123 temperatures: 41 43 31 46 33 -128 29 -128
124 * Peter Tarjan (ptarjan@citromail.hu) */
126 static double last_ibm_acpi_temp_time;
127 void get_ibm_acpi_temps(void)
133 /* don't update too often */
134 if (current_update_time - last_ibm_acpi_temp_time < 10.00) {
137 last_ibm_acpi_temp_time = current_update_time;
139 /* if (!p_client_buffer || client_buffer_size <= 0) {
143 snprintf(thermal, 127, "%s/thermal", IBM_ACPI_DIR);
144 fp = fopen(thermal, "r");
150 if (fgets(line, 255, fp) == NULL) {
153 if (sscanf(line, "temperatures: %d %d %d %d %d %d %d %d",
154 &ibm_acpi.temps[0], &ibm_acpi.temps[1], &ibm_acpi.temps[2],
155 &ibm_acpi.temps[3], &ibm_acpi.temps[4], &ibm_acpi.temps[5],
156 &ibm_acpi.temps[6], &ibm_acpi.temps[7])) {
161 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
162 "ibm* from your "PACKAGE_NAME" config file.", thermal, strerror(errno));
168 /* get volume (0-14) on IBM/Lenovo laptops running the ibm acpi.
169 * "Volume" here is none of the mixer volumes, but a "master of masters"
170 * volume adjusted by the IBM volume keys.
171 * /proc/acpi/ibm/fan looks like this (4 lines):
174 commands: up, down, mute
175 commands: level <level> (<level> is 0-15)
176 * Peter Tarjan (ptarjan@citromail.hu) */
178 void get_ibm_acpi_volume(char *p_client_buffer, size_t client_buffer_size)
182 unsigned int vol = -1;
185 if (!p_client_buffer || client_buffer_size <= 0) {
189 snprintf(volume, 127, "%s/volume", IBM_ACPI_DIR);
191 fp = fopen(volume, "r");
195 unsigned int read_vol = -1;
197 if (fgets(line, 255, fp) == NULL) {
200 if (sscanf(line, "level: %u", &read_vol)) {
204 if (sscanf(line, "mute: %s", mute)) {
209 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
210 "ibm* from your "PACKAGE_NAME" config file.", volume, strerror(errno));
215 if (strcmp(mute, "on") == 0) {
216 snprintf(p_client_buffer, client_buffer_size, "%s", "mute");
219 snprintf(p_client_buffer, client_buffer_size, "%d", vol);
224 /* static FILE *fp = NULL; */
226 /* get LCD brightness on IBM/Lenovo laptops running the ibm acpi.
227 * /proc/acpi/ibm/brightness looks like this (3 lines):
230 commands: level <level> (<level> is 0-7)
231 * Peter Tarjan (ptarjan@citromail.hu) */
233 void get_ibm_acpi_brightness(char *p_client_buffer, size_t client_buffer_size)
236 unsigned int brightness = 0;
239 if (!p_client_buffer || client_buffer_size <= 0) {
243 snprintf(filename, 127, "%s/brightness", IBM_ACPI_DIR);
245 fp = fopen(filename, "r");
250 if (fgets(line, 255, fp) == NULL) {
253 if (sscanf(line, "level: %u", &brightness)) {
258 CRIT_ERR(NULL, NULL, "can't open '%s': %s\nYou are not using the IBM ACPI. Remove "
259 "ibm* from your "PACKAGE_NAME" config file.", filename, strerror(errno));
264 snprintf(p_client_buffer, client_buffer_size, "%d", brightness);