65 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.7 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
 | |
|  * (C) Copyright 2001
 | |
|  * Erik Theisen, Wave 7 Optics, etheisen@mindspring.com
 | |
|  *
 | |
|  * See file CREDITS for list of people who contributed to this
 | |
|  * project.
 | |
|  *
 | |
|  * This program is free software; you can redistribute it and/or
 | |
|  * modify it under the terms of the GNU General Public License as
 | |
|  * published by the Free Software Foundation; either version 2 of
 | |
|  * the License, or (at your option) any later version.
 | |
|  *
 | |
|  * This program is distributed in the hope that it will be useful,
 | |
|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 | |
|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
 | |
|  * GNU General Public License for more details.
 | |
|  *
 | |
|  * You should have received a copy of the GNU General Public License
 | |
|  * along with this program; if not, write to the Free Software
 | |
|  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 | |
|  * MA 02111-1307 USA
 | |
|  */
 | |
| 
 | |
| #include <common.h>
 | |
| #include <config.h>
 | |
| #include <command.h>
 | |
| 
 | |
| #if defined(CONFIG_CMD_DTT)
 | |
| 
 | |
| #include <dtt.h>
 | |
| #include <i2c.h>
 | |
| 
 | |
| int do_dtt (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[])
 | |
| {
 | |
| 	int i;
 | |
| 	unsigned char sensors[] = CONFIG_DTT_SENSORS;
 | |
| 	int old_bus;
 | |
| 
 | |
| 	/* switch to correct I2C bus */
 | |
| 	old_bus = I2C_GET_BUS();
 | |
| 	I2C_SET_BUS(CFG_DTT_BUS_NUM);
 | |
| 
 | |
| 	/*
 | |
| 	 * Loop through sensors, read
 | |
| 	 * temperature, and output it.
 | |
| 	 */
 | |
| 	for (i = 0; i < sizeof (sensors); i++)
 | |
| 		printf ("DTT%d: %i C\n", i + 1, dtt_get_temp (sensors[i]));
 | |
| 
 | |
| 	/* switch back to original I2C bus */
 | |
| 	I2C_SET_BUS(old_bus);
 | |
| 
 | |
| 	return 0;
 | |
| }	/* do_dtt() */
 | |
| 
 | |
| /***************************************************/
 | |
| 
 | |
| U_BOOT_CMD(
 | |
| 	  dtt,	1,	1,	do_dtt,
 | |
| 	  "dtt     - Digital Thermometer and Themostat\n",
 | |
| 	  "        - Read temperature from digital thermometer and thermostat.\n"
 | |
| );
 | |
| 
 | |
| #endif
 |