source: SVN/rincon/u-boot/common/cmd_dtt.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 2 years ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 1.7 KB
Line 
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
31int 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(CFG_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
56U_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);
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