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author | Gregory Nutt <gnutt@nuttx.org> | 2015-01-13 12:57:26 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2015-01-13 12:57:26 -0600 |
commit | 6ac92b4ccedc22e87d31db846c8ea16fc5f96ae9 (patch) | |
tree | 3c52ab9a6ad48864b9609ee768782aa13e289a33 /apps/examples/timer | |
parent | 539679ea1af06dfa26c117023807bf4cb46eb8bf (diff) | |
download | nuttx-6ac92b4ccedc22e87d31db846c8ea16fc5f96ae9.tar.gz nuttx-6ac92b4ccedc22e87d31db846c8ea16fc5f96ae9.tar.bz2 nuttx-6ac92b4ccedc22e87d31db846c8ea16fc5f96ae9.zip |
apps/exemples/timer: Add a trivial test of the timer driver
Diffstat (limited to 'apps/examples/timer')
-rw-r--r-- | apps/examples/timer/.gitignore | 11 | ||||
-rw-r--r-- | apps/examples/timer/Kconfig | 68 | ||||
-rw-r--r-- | apps/examples/timer/Makefile | 140 | ||||
-rw-r--r-- | apps/examples/timer/timer_main.c | 192 |
4 files changed, 411 insertions, 0 deletions
diff --git a/apps/examples/timer/.gitignore b/apps/examples/timer/.gitignore new file mode 100644 index 000000000..fa1ec7579 --- /dev/null +++ b/apps/examples/timer/.gitignore @@ -0,0 +1,11 @@ +/Make.dep +/.depend +/.built +/*.asm +/*.obj +/*.rel +/*.lst +/*.sym +/*.adb +/*.lib +/*.src diff --git a/apps/examples/timer/Kconfig b/apps/examples/timer/Kconfig new file mode 100644 index 000000000..9c3ae7ce3 --- /dev/null +++ b/apps/examples/timer/Kconfig @@ -0,0 +1,68 @@ +# +# For a description of the syntax of this configuration file, +# see misc/tools/kconfig-language.txt. +# + +config EXAMPLES_TIMER + bool "Timer example" + default n + depends on TIMER + ---help--- + Enable the \"Timer, World!\" example + +if EXAMPLES_TIMER + +config EXAMPLE_TIMER_DEVNAME + string "Timer device name" + default "/dev/timer0" + ---help--- + This is the name of the timer device that will be tested. + +config EXAMPLE_TIMER_INTERVAL + int "Timer interval (microseconds)" + default 1000000 + ---help--- + This is the timer interval in microseconds. + +config EXAMPLE_TIMER_DELAY + int "Sample delay (microseconds)" + default 100000 + ---help--- + This is the delay between timer samples in microseconds + +config EXAMPLE_TIMER_NSAMPLES + int "Number of samples" + default 20 + ---help--- + This is the number of timer samples that will be collected + +config EXAMPLES_TIMER_APPNAME + string "Timer executable name" + default "timer" + depends on NSH_BUILTIN_APPS + ---help--- + This is the name of the built-in application + +config EXAMPLES_TIMER_STACKSIZE + int "Timer stack size" + default 2048 + depends on NSH_BUILTIN_APPS + ---help--- + This is the stack size allocated when the timer task runs + +config EXAMPLES_TIMER_PRIORITY + int "Timer task priority" + default 100 + depends on NSH_BUILTIN_APPS + ---help--- + This is the priority of the timer task + +config EXAMPLES_TIMER_PROGNAME + string "Timer program name" + default "timer" + depends on BUILD_KERNEL + ---help--- + This is the name of the program that will be use when the NSH ELF + program is installed. + +endif diff --git a/apps/examples/timer/Makefile b/apps/examples/timer/Makefile new file mode 100644 index 000000000..dfbca4635 --- /dev/null +++ b/apps/examples/timer/Makefile @@ -0,0 +1,140 @@ +############################################################################ +# apps/examples/timer/Makefile +# +# Copyright (C) 2015 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)/.config +-include $(TOPDIR)/Make.defs +include $(APPDIR)/Make.defs + +# Timer built-in application info + +CONFIG_EXAMPLES_TIMER_APPNAME ?= "timer" +CONFIG_EXAMPLES_TIMER_STACKSIZE ?= 2048 +CONFIG_EXAMPLES_TIMER_PRIORITY ?= 100 +CONFIG_EXAMPLES_TIMER_PROGNAME ?= "timer" + +APPNAME = $(CONFIG_EXAMPLES_TIMER_APPNAME) +PRIORITY = $(CONFIG_EXAMPLES_TIMER_PRIORITY) +STACKSIZE = $(CONFIG_EXAMPLES_TIMER_STACKSIZE) +PROGNAME = $(CONFIG_EXAMPLES_TIMER_PROGNAME) + +# Timer, World! Example + +ASRCS = +CSRCS = +MAINSRC = timer_main.c + +AOBJS = $(ASRCS:.S=$(OBJEXT)) +COBJS = $(CSRCS:.c=$(OBJEXT)) +MAINOBJ = $(MAINSRC:.c=$(OBJEXT)) + +SRCS = $(ASRCS) $(CSRCS) $(MAINSRC) +OBJS = $(AOBJS) $(COBJS) + +ifneq ($(CONFIG_BUILD_KERNEL),y) + OBJS += $(MAINOBJ) +endif + +ifeq ($(CONFIG_WINDOWS_NATIVE),y) + BIN = ..\..\libapps$(LIBEXT) +else +ifeq ($(WINTOOL),y) + BIN = ..\\..\\libapps$(LIBEXT) +else + BIN = ../../libapps$(LIBEXT) +endif +endif + +ifeq ($(WINTOOL),y) + INSTALL_DIR = "${shell cygpath -w $(BIN_DIR)}" +else + INSTALL_DIR = $(BIN_DIR) +endif + +ROOTDEPPATH = --dep-path . + +# Common build + +VPATH = + +all: .built +.PHONY: clean depend distclean + +$(AOBJS): %$(OBJEXT): %.S + $(call ASSEMBLE, $<, $@) + +$(COBJS) $(MAINOBJ): %$(OBJEXT): %.c + $(call COMPILE, $<, $@) + +.built: $(OBJS) + $(call ARCHIVE, $(BIN), $(OBJS)) + @touch .built + +ifeq ($(CONFIG_BUILD_KERNEL),y) +$(BIN_DIR)$(DELIM)$(PROGNAME): $(OBJS) $(MAINOBJ) + @echo "LD: $(PROGNAME)" + $(Q) $(LD) $(LDELFFLAGS) $(LDLIBPATH) -o $(INSTALL_DIR)$(DELIM)$(PROGNAME) $(ARCHCRT0OBJ) $(MAINOBJ) $(LDLIBS) + $(Q) $(NM) -u $(INSTALL_DIR)$(DELIM)$(PROGNAME) + +install: $(BIN_DIR)$(DELIM)$(PROGNAME) + +else +install: + +endif + +ifeq ($(CONFIG_NSH_BUILTIN_APPS),y) +$(BUILTIN_REGISTRY)$(DELIM)timer_main.bdat: $(DEPCONFIG) Makefile + $(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),timer_main) + +context: $(BUILTIN_REGISTRY)$(DELIM)timer_main.bdat +else +context: +endif + +.depend: Makefile $(SRCS) + @$(MKDEP) $(ROOTDEPPATH) "$(CC)" -- $(CFLAGS) -- $(SRCS) >Make.dep + @touch $@ + +depend: .depend + +clean: + $(call DELFILE, .built) + $(call CLEAN) + +distclean: clean + $(call DELFILE, Make.dep) + $(call DELFILE, .depend) + +-include Make.dep diff --git a/apps/examples/timer/timer_main.c b/apps/examples/timer/timer_main.c new file mode 100644 index 000000000..ed1219447 --- /dev/null +++ b/apps/examples/timer/timer_main.c @@ -0,0 +1,192 @@ +/**************************************************************************** + * examples/timer/timer_main.c + * + * Copyright (C) 2015 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#include <sys/ioctl.h> +#include <stdio.h> +#include <stdlib.h> +#include <fcntl.h> +#include <errno.h> + +#include <nuttx/timer.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#ifndef CONFIG_EXAMPLE_TIMER_DEVNAME +# define CONFIG_EXAMPLE_TIMER_DEVNAME "/dev/timer0" +#endif + +#ifndef CONFIG_EXAMPLE_TIMER_INTERVAL +# define CONFIG_EXAMPLE_TIMER_INTERVAL 1000000 +#endif + +#ifndef CONFIG_EXAMPLE_TIMER_DELAY +# define CONFIG_EXAMPLE_TIMER_DELAY 100000 +#endif + +#ifndef CONFIG_EXAMPLE_TIMER_NSAMPLES +# define CONFIG_EXAMPLE_TIMER_NSAMPLES 20 +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +/**************************************************************************** + * timer_status + ****************************************************************************/ + +static void timer_status(int fd) +{ + struct timer_status_s status; + int ret; + + /* Get timer status */ + + ret = ioctl(fd, TCIOC_GETSTATUS, (unsigned long)((uintptr_t)&status)); + if (ret < 0) + { + fprintf(stderr, "ERROR: Failed to get timer status: %d\n", errno); + close(fd); + exit(EXIT_FAILURE); + } + + /* Print the timer status */ + + printf(" flags: %08lx timeout: %lu timeleft: %lu\n", + (unsigned long)status.flags, (unsigned long)status.timeout, + (unsigned long)status.timeleft); +} + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * timer_main + ****************************************************************************/ + +#ifdef CONFIG_BUILD_KERNEL +int main(int argc, FAR char *argv[]) +#else +int timer_main(int argc, char *argv[]) +#endif +{ + int ret; + int fd; + int i; + + /* Open the timer device */ + + printf("Open %s\n", CONFIG_EXAMPLE_TIMER_DEVNAME); + + fd = open(CONFIG_EXAMPLE_TIMER_DEVNAME, O_RDONLY); + if (fd < 0) + { + fprintf(stderr, "ERROR: Failed to open %s: %d\n", + CONFIG_EXAMPLE_TIMER_DEVNAME, errno); + return EXIT_FAILURE; + } + + /* Show the timer status before setting the timer interval */ + + timer_status(fd); + + /* Set the timer interval */ + + printf("Set timer interval to %lu\n", + (unsigned long)CONFIG_EXAMPLE_TIMER_INTERVAL); + + ret = ioctl(fd, TCIOC_SETTIMEOUT, CONFIG_EXAMPLE_TIMER_INTERVAL); + if (ret < 0) + { + fprintf(stderr, "ERROR: Failed to set the timer interval: %d\n", errno); + close(fd); + return EXIT_FAILURE; + } + + /* Show the timer status before starting */ + + timer_status(fd); + + /* Start the timer */ + + printf("Start the timer\n"); + + ret = ioctl(fd, TCIOC_START, 0); + if (ret < 0) + { + fprintf(stderr, "ERROR: Failed to start the timer: %d\n", errno); + close(fd); + return EXIT_FAILURE; + } + + /* Wait a bit showing timer status */ + + for (i = 0; i < CONFIG_EXAMPLE_TIMER_NSAMPLES; i++) + { + usleep(CONFIG_EXAMPLE_TIMER_DELAY); + timer_status(fd); + } + + /* Stop the timer */ + + printf("Stop the timer\n"); + + ret = ioctl(fd, TCIOC_STOP, 0); + if (ret < 0) + { + fprintf(stderr, "ERROR: Failed to stop the timer: %d\n", errno); + close(fd); + return EXIT_FAILURE; + } + + /* Show the timer status before starting */ + + timer_status(fd); + + /* Close the timer driver */ + + printf("Finished\n"); + close(fd); + return EXIT_SUCCESS; +} |