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apps/examples/ina226: Added INA226 example

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Daniel P. Carvalho 2018-11-05 16:45:00 -06:00 committed by Gregory Nutt
parent 3512c3aa5e
commit bc4735ce2a
5 changed files with 249 additions and 0 deletions
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11
examples/ina226/.gitignore vendored Normal file
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/Make.dep
/.depend
/.built
/*.asm
/*.obj
/*.rel
/*.lst
/*.sym
/*.adb
/*.lib
/*.src

42
examples/ina226/Kconfig Normal file
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#
# For a description of the syntax of this configuration file,
# see the file kconfig-language.txt in the NuttX tools repository.
#
config EXAMPLES_INA226
bool "INA226 example"
default n
---help---
Enable the INA226 example
if EXAMPLES_INA226
config EXAMPLES_INA226_PROGNAME
string "Program name"
default "ina226"
depends on BUILD_KERNEL
---help---
This is the name of the program that will be use when the NSH ELF
program is installed.
config INA226_SHUNTVAL
int "Shunt resistor value in micro-ohms"
default 5000
---help---
The shunt resistor value in micro-ohms.
config INA226_DEVICE_PATH
string "INA226 device name"
default "/dev/ina226"
---help---
This is the name of the timer device that will be tested.
config EXAMPLES_INA226_PRIORITY
int "INA226 task priority"
default 100
config EXAMPLES_INA226_STACKSIZE
int "INA226 stack size"
default 2048
endif

39
examples/ina226/Make.defs Normal file
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############################################################################
# apps/examples/ina226/Make.defs
# Adds selected applications to apps/ build
#
# Copyright (C) 2017 Sebastien Lorquet. All rights reserved.
# Author: Sebastien Lorquet <sebastien@lorquet.fr>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################
ifeq ($(CONFIG_EXAMPLES_INA226),y)
CONFIGURED_APPS += examples/ina226
endif

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examples/ina226/Makefile Normal file
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############################################################################
# apps/examples/ina219/Makefile
#
# Copyright (C) 2017 Sebastien Lorquet. All rights reserved.
# Author: Sebastien Lorquet <sebastien@lorquet.fr>
# Copyright (C) 2008, 2010-2013, 2017 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <gnutt@nuttx.org>
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# 1. Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# 2. Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# 3. Neither the name NuttX nor the names of its contributors may be
# used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
# POSSIBILITY OF SUCH DAMAGE.
#
############################################################################
-include $(TOPDIR)/Make.defs
# INA226 built-in application info
CONFIG_EXAMPLES_INA226_PRIORITY ?= SCHED_PRIORITY_DEFAULT
CONFIG_EXAMPLES_INA226_STACKSIZE ?= 2048
APPNAME = ina226
PRIORITY = $(CONFIG_EXAMPLES_INA226_PRIORITY)
STACKSIZE = $(CONFIG_EXAMPLES_INA226_STACKSIZE)
# INA226 Example
ASRCS =
CSRCS =
MAINSRC = ina226_main.c
CONFIG_EXAMPLES_INA226_PROGNAME ?= ina226$(EXEEXT)
PROGNAME = $(CONFIG_EXAMPLES_INA226_PROGNAME)
include $(APPDIR)/Application.mk

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examples/ina226/ina226_main.c Normal file
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/****************************************************************************
* examples/ina226/ina226_main.c
*
* Copyright (C) 2017 Sebastien Lorquet. All rights reserved.
* Author: Sebastien Lorquet <sebastien@lorquet.fr>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <nuttx/config.h>
#include <nuttx/sensors/ina226.h>
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#ifndef CONFIG_INA226_DEVICE_PATH
# define CONFIG_INA226_DEVICE_PATH "/dev/ina226"
#endif
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* ina226_main
****************************************************************************/
#ifdef CONFIG_BUILD_KERNEL
int main(int argc, FAR char *argv[])
#else
int ina226_main(int argc, char *argv[])
#endif
{
struct ina226_s sample;
int fd;
int ret;
fd = open(CONFIG_INA226_DEVICE_PATH, O_RDWR);
if (fd < 0)
{
int errcode = errno;
printf("ERROR: Failed to open %s: %d\n",
CONFIG_INA226_DEVICE_PATH, errcode);
return EXIT_FAILURE;
}
while (1)
{
ret = read(fd, &sample, sizeof(sample));
if (ret != sizeof(sample))
{
break;
}
printf("U=%12u uV I=%12d uA\n", sample.voltage, sample.current);
usleep(500000);
}
close(fd);
return 0;
}