61 lines
		
	
	
		
			1.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			61 lines
		
	
	
		
			1.6 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>
 | 
						|
 | 
						|
#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(CONFIG_SYS_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,
 | 
						|
	  "Digital Thermometer and Thermostat",
 | 
						|
	  "        - Read temperature from digital thermometer and thermostat.\n"
 | 
						|
);
 |