]> git.ipfire.org Git - people/ms/u-boot.git/blob - common/cmd_dtt.c
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / common / cmd_dtt.c
1 /*
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>
27
28 #include <dtt.h>
29 #include <i2c.h>
30
31 int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
32 {
33 int i;
34 unsigned char sensors[] = CONFIG_DTT_SENSORS;
35 int old_bus;
36
37 /* switch to correct I2C bus */
38 old_bus = I2C_GET_BUS();
39 I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM);
40
41 /*
42 * Loop through sensors, read
43 * temperature, and output it.
44 */
45 for (i = 0; i < sizeof (sensors); i++)
46 printf ("DTT%d: %i C\n", i + 1, dtt_get_temp (sensors[i]));
47
48 /* switch back to original I2C bus */
49 I2C_SET_BUS(old_bus);
50
51 return 0;
52 } /* do_dtt() */
53
54 /***************************************************/
55
56 U_BOOT_CMD(
57 dtt, 1, 1, do_dtt,
58 "dtt - Digital Thermometer and Thermostat\n",
59 " - Read temperature from digital thermometer and thermostat.\n"
60 );