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wdenk38635852002-08-27 05:55:31 +00001/*
2 * (C) Copyright 2001
3 * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24#include <common.h>
25#include <config.h>
26#include <command.h>
wdenk38635852002-08-27 05:55:31 +000027
Jon Loeligerbaa26db2007-07-08 17:51:39 -050028#if defined(CONFIG_CMD_DTT)
wdenk38635852002-08-27 05:55:31 +000029
30#include <dtt.h>
Stefan Roese0dc018e2007-02-20 10:51:26 +010031#include <i2c.h>
wdenk38635852002-08-27 05:55:31 +000032
33int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
34{
35 int i;
36 unsigned char sensors[] = CONFIG_DTT_SENSORS;
Stefan Roese0dc018e2007-02-20 10:51:26 +010037 int old_bus;
38
39 /* switch to correct I2C bus */
40 old_bus = I2C_GET_BUS();
41 I2C_SET_BUS(CFG_DTT_BUS_NUM);
wdenk38635852002-08-27 05:55:31 +000042
43 /*
44 * Loop through sensors, read
45 * temperature, and output it.
46 */
Stefan Roese0dc018e2007-02-20 10:51:26 +010047 for (i = 0; i < sizeof (sensors); i++)
wdenk38635852002-08-27 05:55:31 +000048 printf ("DTT%d: %i C\n", i + 1, dtt_get_temp (sensors[i]));
Stefan Roese0dc018e2007-02-20 10:51:26 +010049
50 /* switch back to original I2C bus */
51 I2C_SET_BUS(old_bus);
wdenk38635852002-08-27 05:55:31 +000052
53 return 0;
54} /* do_dtt() */
55
wdenk8bde7f72003-06-27 21:31:46 +000056/***************************************************/
57
wdenk0d498392003-07-01 21:06:45 +000058U_BOOT_CMD(
59 dtt, 1, 1, do_dtt,
Detlev Zundel5441f612007-10-19 16:47:26 +020060 "dtt - Digital Thermometer and Thermostat\n",
wdenk8bde7f72003-06-27 21:31:46 +000061 " - Read temperature from digital thermometer and thermostat.\n"
62);
63
Jon Loeligerbaa26db2007-07-08 17:51:39 -050064#endif