wdenk | 3863585 | 2002-08-27 05:55:31 +0000 | [diff] [blame] | 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> |
wdenk | 3863585 | 2002-08-27 05:55:31 +0000 | [diff] [blame] | 27 | |
wdenk | 3863585 | 2002-08-27 05:55:31 +0000 | [diff] [blame] | 28 | #include <dtt.h> |
Stefan Roese | 0dc018e | 2007-02-20 10:51:26 +0100 | [diff] [blame] | 29 | #include <i2c.h> |
wdenk | 3863585 | 2002-08-27 05:55:31 +0000 | [diff] [blame] | 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; |
Stefan Roese | 0dc018e | 2007-02-20 10:51:26 +0100 | [diff] [blame] | 35 | int old_bus; |
| 36 | |
| 37 | /* switch to correct I2C bus */ |
| 38 | old_bus = I2C_GET_BUS(); |
Jean-Christophe PLAGNIOL-VILLARD | 6d0f6bc | 2008-10-16 15:01:15 +0200 | [diff] [blame^] | 39 | I2C_SET_BUS(CONFIG_SYS_DTT_BUS_NUM); |
wdenk | 3863585 | 2002-08-27 05:55:31 +0000 | [diff] [blame] | 40 | |
| 41 | /* |
| 42 | * Loop through sensors, read |
| 43 | * temperature, and output it. |
| 44 | */ |
Stefan Roese | 0dc018e | 2007-02-20 10:51:26 +0100 | [diff] [blame] | 45 | for (i = 0; i < sizeof (sensors); i++) |
wdenk | 3863585 | 2002-08-27 05:55:31 +0000 | [diff] [blame] | 46 | printf ("DTT%d: %i C\n", i + 1, dtt_get_temp (sensors[i])); |
Stefan Roese | 0dc018e | 2007-02-20 10:51:26 +0100 | [diff] [blame] | 47 | |
| 48 | /* switch back to original I2C bus */ |
| 49 | I2C_SET_BUS(old_bus); |
wdenk | 3863585 | 2002-08-27 05:55:31 +0000 | [diff] [blame] | 50 | |
| 51 | return 0; |
| 52 | } /* do_dtt() */ |
| 53 | |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 54 | /***************************************************/ |
| 55 | |
wdenk | 0d49839 | 2003-07-01 21:06:45 +0000 | [diff] [blame] | 56 | U_BOOT_CMD( |
| 57 | dtt, 1, 1, do_dtt, |
Detlev Zundel | 5441f61 | 2007-10-19 16:47:26 +0200 | [diff] [blame] | 58 | "dtt - Digital Thermometer and Thermostat\n", |
wdenk | 8bde7f7 | 2003-06-27 21:31:46 +0000 | [diff] [blame] | 59 | " - Read temperature from digital thermometer and thermostat.\n" |
| 60 | ); |