* (C) Copyright 2001
* Bill Hunter, Wave 7 Optics, williamhunter@mediaone.net
*
- * 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
+ * SPDX-License-Identifier: GPL-2.0+
*/
/*
*/
#include <common.h>
-
-#ifdef CONFIG_DTT_LM81
-#if !defined(CFG_EEPROM_PAGE_WRITE_ENABLE) || \
- (CFG_EEPROM_PAGE_WRITE_BITS < 1)
-# error "CFG_EEPROM_PAGE_WRITE_ENABLE must be defined and CFG_EEPROM_PAGE_WRITE_BITS must be greater than 1 to use CONFIG_DTT_LM81"
-#endif
-
#include <i2c.h>
#include <dtt.h>
* Device code
*/
#define DTT_I2C_DEV_CODE 0x2c /* ON Semi's LM81 device */
+#define DTT_READ_TEMP 0x27
+#define DTT_CONFIG_TEMP 0x4b
+#define DTT_TEMP_MAX 0x39
+#define DTT_TEMP_HYST 0x3a
+#define DTT_CONFIG 0x40
int dtt_read(int sensor, int reg)
{
#define DTT_CONFIG 0x40
#define DTT_ADR 0x48
-static int _dtt_init(int sensor)
+int dtt_init_one(int sensor)
{
int man;
int adr;
if (adr < 0)
return 1;
- printf ("DTT: Found LM81@%x Rev: %d\n", adr, rev);
+ debug ("DTT: Found LM81@%x Rev: %d\n", adr, rev);
return 0;
-} /* _dtt_init() */
+} /* dtt_init_one() */
-int dtt_init (void)
-{
- int i;
- unsigned char sensors[] = CONFIG_DTT_SENSORS;
- const char *const header = "DTT: ";
-
- for (i = 0; i < sizeof(sensors); i++) {
- if (_dtt_init(sensors[i]) != 0)
- printf("%s%d FAILED INIT\n", header, i+1);
- else
- printf("%s%d is %i C\n", header, i+1,
- dtt_get_temp(sensors[i]));
- }
-
- return (0);
-} /* dtt_init() */
-
#define TEMP_FROM_REG(temp) \
((temp)<256?((((temp)&0x1fe) >> 1) * 10) + ((temp) & 1) * 5: \
((((temp)&0x1fe) >> 1) -255) * 10 - ((temp) & 1) * 5) \
return (TEMP_FROM_REG((val << 1) + ((tmpcnf & 0x80) >> 7))) / 10;
} /* dtt_get_temp() */
-
-#endif /* CONFIG_DTT_LM81 */