* (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_ADM1021
-
#include <i2c.h>
#include <dtt.h>
+#define DTT_READ_LOC_VALUE 0x00
+#define DTT_READ_REM_VALUE 0x01
+#define DTT_READ_STATUS 0x02
+#define DTT_READ_CONFIG 0x03
+#define DTT_READ_CONVRATE 0x04
+#define DTT_READ_LOC_HIGHLIM 0x05
+#define DTT_READ_LOC_LOWLIM 0x06
+#define DTT_READ_REM_HIGHLIM 0x07
+#define DTT_READ_REM_LOWLIM 0x08
+#define DTT_READ_DEVID 0xfe
+
+#define DTT_WRITE_CONFIG 0x09
+#define DTT_WRITE_CONVRATE 0x0a
+#define DTT_WRITE_LOC_HIGHLIM 0x0b
+#define DTT_WRITE_LOC_LOWLIM 0x0c
+#define DTT_WRITE_REM_HIGHLIM 0x0d
+#define DTT_WRITE_REM_LOWLIM 0x0e
+#define DTT_WRITE_ONESHOT 0x0f
+
+#define DTT_STATUS_BUSY 0x80 /* 1=ADC Converting */
+#define DTT_STATUS_LHIGH 0x40 /* 1=Local High Temp Limit Tripped */
+#define DTT_STATUS_LLOW 0x20 /* 1=Local Low Temp Limit Tripped */
+#define DTT_STATUS_RHIGH 0x10 /* 1=Remote High Temp Limit Tripped */
+#define DTT_STATUS_RLOW 0x08 /* 1=Remote Low Temp Limit Tripped */
+#define DTT_STATUS_OPEN 0x04 /* 1=Remote Sensor Open-Circuit */
+
+#define DTT_CONFIG_ALERT_MASKED 0x80 /* 0=ALERT Enabled, 1=ALERT Masked */
+#define DTT_CONFIG_STANDBY 0x40 /* 0=Run, 1=Standby */
+
+#define DTT_ADM1021_DEVID 0x41
+
typedef
struct {
uint i2c_addr:7; /* 7bit i2c chip address */
}
dtt_cfg_t;
-dtt_cfg_t dttcfg[] = CFG_DTT_ADM1021;
+dtt_cfg_t dttcfg[] = CONFIG_SYS_DTT_ADM1021;
int
dtt_read (int sensor, int reg)
return 0;
} /* dtt_write() */
-static int
-_dtt_init (int sensor)
+int
+dtt_init_one(int sensor)
{
dtt_cfg_t *dcp = &dttcfg[sensor >> 1];
int reg, val;
return 1;
return 0;
-} /* _dtt_init() */
-
-int
-dtt_init (void)
-{
- int i;
- unsigned char sensors[] = CONFIG_DTT_SENSORS;
- const char *const header = "DTT: ";
-
- /* switch to correct I2C bus */
- I2C_SET_BUS(CFG_DTT_BUS_NUM);
-
- 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() */
+} /* dtt_init_one() */
int
dtt_get_temp (int sensor)
return (int) val;
} /* dtt_get_temp() */
-
-#endif /* CONFIG_DTT_ADM1021 */