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author | 2023-10-10 14:33:42 +0000 | |
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committer | 2023-10-10 14:33:42 +0000 | |
commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot-sam460ex/common/cmd_dtt.c | |
parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot-sam460ex/common/cmd_dtt.c')
-rw-r--r-- | roms/u-boot-sam460ex/common/cmd_dtt.c | 60 |
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", + "" +); |