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3863585b WD |
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> | |
3863585b | 27 | |
baa26db4 | 28 | #if defined(CONFIG_CMD_DTT) |
3863585b WD |
29 | |
30 | #include <dtt.h> | |
0dc018ec | 31 | #include <i2c.h> |
3863585b WD |
32 | |
33 | int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) | |
34 | { | |
35 | int i; | |
36 | unsigned char sensors[] = CONFIG_DTT_SENSORS; | |
0dc018ec SR |
37 | int old_bus; |
38 | ||
39 | /* switch to correct I2C bus */ | |
40 | old_bus = I2C_GET_BUS(); | |
41 | I2C_SET_BUS(CFG_DTT_BUS_NUM); | |
3863585b WD |
42 | |
43 | /* | |
44 | * Loop through sensors, read | |
45 | * temperature, and output it. | |
46 | */ | |
0dc018ec | 47 | for (i = 0; i < sizeof (sensors); i++) |
3863585b | 48 | printf ("DTT%d: %i C\n", i + 1, dtt_get_temp (sensors[i])); |
0dc018ec SR |
49 | |
50 | /* switch back to original I2C bus */ | |
51 | I2C_SET_BUS(old_bus); | |
3863585b WD |
52 | |
53 | return 0; | |
54 | } /* do_dtt() */ | |
55 | ||
8bde7f77 WD |
56 | /***************************************************/ |
57 | ||
0d498393 WD |
58 | U_BOOT_CMD( |
59 | dtt, 1, 1, do_dtt, | |
8bde7f77 WD |
60 | "dtt - Digital Thermometer and Themostat\n", |
61 | " - Read temperature from digital thermometer and thermostat.\n" | |
62 | ); | |
63 | ||
baa26db4 | 64 | #endif |