aboutsummaryrefslogtreecommitdiffstats
path: root/roms/u-boot-sam460ex/common/cmd_dtt.c
diff options
context:
space:
mode:
authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot-sam460ex/common/cmd_dtt.c
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot-sam460ex/common/cmd_dtt.c')
-rw-r--r--roms/u-boot-sam460ex/common/cmd_dtt.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/roms/u-boot-sam460ex/common/cmd_dtt.c b/roms/u-boot-sam460ex/common/cmd_dtt.c
new file mode 100644
index 000000000..3cfd36ef7
--- /dev/null
+++ b/roms/u-boot-sam460ex/common/cmd_dtt.c
@@ -0,0 +1,60 @@
+/*
+ * (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,
+ "Read temperature from Digital Thermometer and Thermostat",
+ ""
+);