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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4614 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
2012-04-15 22:31:05 +00:00
parent df5cef7de4
commit 3be0d43036
12 changed files with 687 additions and 18 deletions
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apps/examples/pwm/Kconfig
+35
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@@ -6,8 +6,43 @@
config EXAMPLES_PWM
bool "Pulse width modulation (PWM) example"
default n
depends on PWM && NSH_BUILTIN_APPS
---help---
Enable the Pulse width modulation (PWM) example
if EXAMPLES_PWM
config EXAMPLES_PWM_DEVPATH
string "PWM device path"
default "/dev/pwm0"
---help---
The path to the PWM device. Default: /dev/pwm0
config EXAMPLES_PWM_FREQUENCY
int "Default PWM freququency"
default 100
---help---
The default PWM frequency. Default: 100 Hz
config EXAMPLES_PWM_DUTYPCT
int "Default PWM duty percentage"
default 50
---help---
The default PWM duty as a percentage. Default: 50%
config EXAMPLES_PWM_DURATION
int "Default PWM duration"
default 5 if !EXAMPLES_PWM_PULSECOUNT
---help---
The default PWM pulse train duration in seconds. Used only if the current
pulse count is zero (pulse countis only supported if CONFIG_PWM_PULSECOUNT
is defined). Default: 5 seconds
config EXAMPLES_PWM_PULSECOUNT
int "Default pulse count"
default 0
---help---
The initial PWM pulse count. This option is only available if CONFIG_PWM_PULSECOUNT
is nonzero. Default: 0 (i.e., use the duration, not the count).
endif
apps/examples/pwm/Makefile
+2 -2
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@@ -37,7 +37,7 @@
-include $(TOPDIR)/Make.defs
include $(APPDIR)/Make.defs
# NuttX NX Graphics Example.
# PWM Example.
ASRCS =
CSRCS = pwm_main.c
@@ -56,7 +56,7 @@ endif
ROOTDEPPATH = --dep-path .
# Touchscreen built-in application info
# PWM built-in application info
APPNAME = pwm
PRIORITY = SCHED_PRIORITY_DEFAULT
apps/examples/pwm/pwm.h
+6 -6
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@@ -1,7 +1,7 @@
/****************************************************************************
* examples/examples/pwm.h
* examples/examples/pwm/pwm.h
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Copyright (C) 2011-2012 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
@@ -52,10 +52,10 @@
* CONFIG_EXAMPLES_PWM_DEVPATH - The path to the PWM device. Default: /dev/pwm0
* CONFIG_EXAMPLES_PWM_FREQUENCY - The initial PWM frequency. Default: 100 Hz
* CONFIG_EXAMPLES_PWM_DUTYPCT - The initial PWM duty as a percentage. Default: 50%
* CONFIG_EXAMPLES_PWM_DURATION - The initial PWM pulse train duration in sectonds.
* as a percentage. Used only if the current pulse count is zero (pulse count
* is only supported if CONFIG_PWM_PULSECOUNT is defined). Default: 5 seconds
* CONFIG_EXAMPLES_PWM_COUNT - The initial PWM pulse count. This option is
* CONFIG_EXAMPLES_PWM_DURATION - The initial PWM pulse train duration in seconds.
* Used only if the current pulse count is zero (pulse count is only supported
* if CONFIG_PWM_PULSECOUNT is defined). Default: 5 seconds
* CONFIG_EXAMPLES_PWM_PULSECOUNT - The initial PWM pulse count. This option is
* only available if CONFIG_PWM_PULSECOUNT is defined. Default: 0 (i.e., use
* the duration, not the count).
*/