/* $Id: plugin_i2c_sensors.c,v 1.17 2004/06/05 14:56:48 reinelt Exp $ * * I2C sensors plugin * * Copyright 2003,2004 Xavier Vello * Copyright 2004 The LCD4Linux Team * * This file is part of LCD4Linux. * * LCD4Linux 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 2, or (at your option) * any later version. * * LCD4Linux 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 this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * * * $Log: plugin_i2c_sensors.c,v $ * Revision 1.17 2004/06/05 14:56:48 reinelt * * Cwlinux splash screen fixed * USBLCD splash screen fixed * plugin_i2c qprintf("%f") replaced with snprintf() * * Revision 1.16 2004/06/01 06:45:30 reinelt * * some Fixme's processed * documented some code * * Revision 1.15 2004/05/31 21:05:13 reinelt * * fixed lots of bugs in the Cwlinux driver * do not emit EAGAIN error on the first retry * made plugin_i2c_sensors a bit less 'chatty' * moved init and exit functions to the bottom of plugin_pop3 * * Revision 1.14 2004/05/09 05:41:42 reinelt * * i2c fix for kernel 2.6.5 (temp_input1 vs. temp1_input) from Xavier * * Revision 1.13 2004/03/03 03:47:04 reinelt * big patch from Martin Hejl: * - use qprintf() where appropriate * - save CPU cycles on gettimeofday() * - add quit() functions to free allocated memory * - fixed lots of memory leaks * * Revision 1.12 2004/02/16 08:19:44 reinelt * i2c_sensors patch from Xavier * * Revision 1.11 2004/02/15 21:43:43 reinelt * T6963 driver nearly finished * framework for graphic displays done * i2c_sensors patch from Xavier * some more old generation files removed * * Revision 1.10 2004/02/14 12:07:27 nicowallmeier * minor bugfix * * Revision 1.9 2004/02/14 11:56:17 reinelt * M50530 driver ported * changed lots of 'char' to 'unsigned char' * * Revision 1.8 2004/02/14 10:09:50 reinelt * I2C Sensors for 2.4 kernels (/proc instead of /sysfs) * * Revision 1.7 2004/01/30 20:57:56 reinelt * HD44780 patch from Martin Hejl * dmalloc integrated * * Revision 1.6 2004/01/30 07:12:35 reinelt * HD44780 busy-flag support from Martin Hejl * loadavg() uClibc replacement from Martin Heyl * round() uClibc replacement from Martin Hejl * warning in i2c_sensors fixed * * Revision 1.5 2004/01/29 05:55:30 reinelt * check for /sys mounted * * Revision 1.4 2004/01/29 04:40:02 reinelt * every .c file includes "config.h" now * * Revision 1.3 2004/01/27 08:13:39 reinelt * ported PPP token to plugin_ppp * * Revision 1.2 2004/01/27 05:06:10 reinelt * i2c update from Xavier * * Revision 1.1 2004/01/10 17:36:56 reinelt * * I2C Sensors plugin from Xavier added * */ /* * exported functions: * * int plugin_init_i2c_sensors (void) * adds function i2c_sensors() to retrieve informations from * the i2c sensors via sysfs or procfs interface * * -- WARNING -- * This plugin should detect where your sensors are at startup. * If you can't get any token to work, ensure you don't get * an error message with "lcd4linux -Fvvv". * * If so, try to force the path to your sensors in the conf like this : * for sysfs: i2c_sensors-path '/sys/bus/i2c/devices/0-6000/' * for procfs: i2c_sensors-path '/proc/sys/dev/sensors/via686a-isa-6000' * /!\ these path are for my system, change the last dir according to yours */ /* * Available tokens : # represents an int from 1 to 3 (or more) * temp_input# -> temperature of sensor # (in °C) * temp_max# and temp_hyst# -> max and min of sensor # * in_input#, in_min# and in_max# -> voltages * fan_input# -> speed (in RPM) of fan # * fan_min# and fan_div# * * Tokens avaible only via sysfs if suported by your sensors: * curr_input#, curr_min# and curr_max# -> value of current (in amps) * pwm# * temp_crit# -> critical value of sensor
# Australia / Perth (Roleystone transmitter)
# T freq bw fec_hi fec_lo mod transmission-mode guard-interval hierarchy
# SBS
T 704500000 7MHz 2/3 NONE QAM64 8k 1/8 NONE
# ABC
T 725500000 7MHz 3/4 NONE QAM64 8k 1/16 NONE
# Seven
T 746500000 7MHz 2/3 NONE QAM64 8k 1/16 NONE
# Nine
T 767500000 7MHz 3/4 NONE QAM64 8k 1/16 NONE
# Ten
T 788500000 7MHz 3/4 NONE QAM64 8k 1/16 NONE
} } else { if (path_cfg[strlen(path_cfg)-1] != '/') { // the headless user forgot the trailing slash :/ error("i2c_sensors: please add a trailing slash to %s from %s", path_cfg, cfg_source()); path_cfg = realloc(path_cfg, strlen(path_cfg)+2); strcat(path_cfg, "/"); } debug("using i2c sensors at %s (from %s)", path, cfg_source()); path = realloc(path, strlen(path_cfg)+1); strcpy(path, path_cfg); } if (path_cfg) free(path_cfg); // we activate the function only if there's a possibly path found if (path!=NULL) { if (strncmp(path, "/sys", 4)==0) { parse_i2c_sensors = parse_i2c_sensors_sysfs; AddFunction ("i2c_sensors", 1, my_i2c_sensors); } else if (strncmp(path, "/proc", 5)==0) { parse_i2c_sensors = parse_i2c_sensors_procfs; AddFunction ("i2c_sensors", 1, my_i2c_sensors); } else { error("i2c_sensors: unknown path %s, should start with /sys or /proc"); } } return 0; } void plugin_exit_i2c_sensors(void) { hash_destroy(&I2Csensors); }