drivers/pwm: Move pwm.c into pwm folder
This commit is contained in:
Xiang Xiao
Gregory Nutt
parent
ff1cba6ab5
commit
0308a86435
@ -108,37 +108,7 @@ menuconfig PWM
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See include/nuttx/drivers/pwm.h for further PWM driver information.
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if PWM
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config PWM_PULSECOUNT
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bool "PWM Pulse Count Support"
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default n
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depends on ARCH_HAVE_PWM_PULSECOUNT
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---help---
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Some hardware will support generation of a fixed number of pulses.
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This might be used, for example to support a stepper motor. If the
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hardware will support a fixed pulse count, then this configuration
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should be set to enable the capability.
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config PWM_MULTICHAN
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bool "PWM Multiple Output Channel Support"
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default n
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depends on ARCH_HAVE_PWM_MULTICHAN
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depends on !PWM_PULSECOUNT
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---help---
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Enables support for multiple output channels per timer.
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if PWM_MULTICHAN
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config PWM_NCHANNELS
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int "Number of Output Channels Per Timer"
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default 1
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range 1 6
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---help---
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Specifies the number of output channels per timer. Each timer
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may support fewer output channels than this value.
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endif # PWM_MULTICHAN
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source drivers/pwm/Kconfig
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endif # PWM
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config ARCH_HAVE_I2CRESET
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@ -67,6 +67,7 @@ include eeprom$(DELIM)Make.defs
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include net$(DELIM)Make.defs
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include pipes$(DELIM)Make.defs
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include power$(DELIM)Make.defs
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include pwm$(DELIM)Make.defs
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include sensors$(DELIM)Make.defs
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include serial$(DELIM)Make.defs
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include spi$(DELIM)Make.defs
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@ -94,11 +95,6 @@ ifeq ($(CONFIG_DRVR_READAHEAD),y)
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endif
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endif
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endif
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ifeq ($(CONFIG_PWM),y)
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CSRCS += pwm.c
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endif
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endif # CONFIG_NFILE_DESCRIPTORS != 0
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AOBJS = $(ASRCS:.S=$(OBJEXT))
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@ -18,11 +18,6 @@ dev_null.c, dev_urandom, and dev_zero.c
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that should be called if you want to register these devices
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(devnull_register(), devurandom_register(), and devzero_register()).
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pwm.c
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Provides the "upper half" of a pulse width modulation (PWM) driver.
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The "lower half" of the PWM driver is provided by device-specific
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logic. See include/nuttx/drivers/pwm.h for usage information.
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ramdisk.c
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Can be used to set up a block of memory or (read-only) FLASH as
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a block driver that can be mounted as a files system. See
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@ -130,6 +125,11 @@ power/
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and by placing drivers into reduce power usage modes when the
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drivers are not active.
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pwm/
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Provides the "upper half" of a pulse width modulation (PWM) driver.
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The "lower half" of the PWM driver is provided by device-specific
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logic. See include/nuttx/drivers/pwm.h for usage information.
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sensors/
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Drivers for various sensors. A sensor driver differs little from
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other types of drivers other than they are use to provide measuresments
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38
drivers/pwm/Kconfig
Normal file
38
drivers/pwm/Kconfig
Normal file
@ -0,0 +1,38 @@
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#
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# For a description of the syntax of this configuration file,
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# see the file kconfig-language.txt in the NuttX tools repository.
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#
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if PWM
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config PWM_PULSECOUNT
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bool "PWM Pulse Count Support"
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default n
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depends on ARCH_HAVE_PWM_PULSECOUNT
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---help---
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Some hardware will support generation of a fixed number of pulses.
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This might be used, for example to support a stepper motor. If the
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hardware will support a fixed pulse count, then this configuration
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should be set to enable the capability.
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config PWM_MULTICHAN
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bool "PWM Multiple Output Channel Support"
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default n
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depends on ARCH_HAVE_PWM_MULTICHAN
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depends on !PWM_PULSECOUNT
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---help---
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Enables support for multiple output channels per timer.
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if PWM_MULTICHAN
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config PWM_NCHANNELS
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int "Number of Output Channels Per Timer"
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default 1
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range 1 6
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---help---
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Specifies the number of output channels per timer. Each timer
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may support fewer output channels than this value.
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endif # PWM_MULTICHAN
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endif # PWM
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47
drivers/pwm/Make.defs
Normal file
47
drivers/pwm/Make.defs
Normal file
@ -0,0 +1,47 @@
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############################################################################
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# drivers/pwm/Make.defs
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#
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# Copyright (C) 2017 Pinecone Inc. All rights reserved.
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# Author: Xiang Xiao <xiaoxiang@pinecone.net>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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# Don't build anything if there is no PWM support
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ifeq ($(CONFIG_PWM),y)
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CSRCS += pwm.c
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# Include PWM device driver build support
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DEPPATH += --dep-path pwm
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VPATH += :pwm
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CFLAGS += ${shell $(INCDIR) $(INCDIROPT) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)pwm}
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endif
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@ -1,5 +1,5 @@
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/****************************************************************************
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* drivers/pwm.c
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* drivers/pwm/pwm.c
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*
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* Copyright (C) 2011-2013, 2016-2017 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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