diff --git a/examples/ina226/.gitignore b/examples/ina226/.gitignore new file mode 100644 index 000000000..fa1ec7579 --- /dev/null +++ b/examples/ina226/.gitignore @@ -0,0 +1,11 @@ +/Make.dep +/.depend +/.built +/*.asm +/*.obj +/*.rel +/*.lst +/*.sym +/*.adb +/*.lib +/*.src diff --git a/examples/ina226/Kconfig b/examples/ina226/Kconfig new file mode 100644 index 000000000..2210ba7d3 --- /dev/null +++ b/examples/ina226/Kconfig @@ -0,0 +1,42 @@ +# +# 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 diff --git a/examples/ina226/Make.defs b/examples/ina226/Make.defs new file mode 100644 index 000000000..d31a5dbbf --- /dev/null +++ b/examples/ina226/Make.defs @@ -0,0 +1,39 @@ +############################################################################ +# apps/examples/ina226/Make.defs +# Adds selected applications to apps/ build +# +# Copyright (C) 2017 Sebastien Lorquet. All rights reserved. +# Author: Sebastien Lorquet +# +# 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 diff --git a/examples/ina226/Makefile b/examples/ina226/Makefile new file mode 100644 index 000000000..5b9b3d43a --- /dev/null +++ b/examples/ina226/Makefile @@ -0,0 +1,58 @@ +############################################################################ +# apps/examples/ina219/Makefile +# +# Copyright (C) 2017 Sebastien Lorquet. All rights reserved. +# Author: Sebastien Lorquet +# Copyright (C) 2008, 2010-2013, 2017 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# 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 diff --git a/examples/ina226/ina226_main.c b/examples/ina226/ina226_main.c new file mode 100644 index 000000000..fa4dbfb34 --- /dev/null +++ b/examples/ina226/ina226_main.c @@ -0,0 +1,99 @@ +/**************************************************************************** + * examples/ina226/ina226_main.c + * + * Copyright (C) 2017 Sebastien Lorquet. All rights reserved. + * Author: Sebastien Lorquet + * + * 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 +#include +#include +#include +#include + +#include +#include + +/**************************************************************************** + * 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; +}