/* * (C) Copyright 2001 * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com * * See file CREDITS for list of people who contributed to this * project. * * This program 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 of * the License, or (at your option) any later version. * * This program 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., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include <common.h> #include <config.h> #include <command.h> #if defined(CONFIG_CMD_DTT) #include <dtt.h> #include <i2c.h> int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) { int i; unsigned char sensors[] = CONFIG_DTT_SENSORS; int old_bus; /* switch to correct I2C bus */ old_bus = I2C_GET_BUS(); I2C_SET_BUS(CFG_DTT_BUS_NUM); /* * Loop through sensors, read * temperature, and output it. */ for (i = 0; i < sizeof (sensors); i++) printf ("DTT%d: %i C\n", i + 1, dtt_get_temp (sensors[i])); /* switch back to original I2C bus */ I2C_SET_BUS(old_bus); return 0; } /* do_dtt() */ /***************************************************/ U_BOOT_CMD( dtt, 1, 1, do_dtt, "dtt - Digital Thermometer and Thermostat\n", " - Read temperature from digital thermometer and thermostat.\n" ); #endif