[people/ms/u-boot.git] / common / cmd_dtt.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 (CONFIG_COMMANDS & CFG_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 /* CONFIG_COMMANDS & CFG_CMD_DTT */
Commit	Line	Data
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 WD	27
	28	#if (CONFIG_COMMANDS & CFG_CMD_DTT)
	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	/***************************************************/
8bde7f77 WD	57
0d498393 WD	58	U_BOOT_CMD(
0d498393 WD	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
3863585b	64	#endif /* CONFIG_COMMANDS & CFG_CMD_DTT */