mirror of
https://github.com/apache/nuttx.git
synced 2026-05-22 13:52:22 +08:00
Move timer-related drivers from drivers/ to drivers/timers.
This commit is contained in:
Gregory Nutt
+1
-82
@@ -220,88 +220,7 @@ menuconfig I2S
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if I2S
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endif # I2S
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menuconfig RTC
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bool "RTC Driver Support"
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default n
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---help---
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This selection enables configuration of a real time clock (RTCdriver.
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See include/nuttx/rtc.h for further RTC driver information.
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Most RTC drivers are MCU specific and may require other specific
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settings.
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if RTC
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config RTC_DATETIME
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bool "Date/Time RTC Support"
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default n
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---help---
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There are two general types of RTC: (1) A simple battery backed
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counter that keeps the time when power is down, and (2) a full
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date / time RTC the provides the date and time information, often in
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BCD format. If RTC_DATETIME is selected, it specifies this second kind
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of RTC. In this case, the RTC is used to "seed" the normal NuttX timer
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and the NuttX system timer provides for higher resolution time.
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if !RTC_DATETIME
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config RTC_HIRES
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bool "Hi-Res RTC Support"
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default n
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---help---
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If RTC_DATETIME not selected, then the simple, battery backed counter
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is used. There are two different implementations of such simple
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counters based on the time resolution of the counter: The typical RTC
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keeps time to resolution of 1 second, usually supporting a 32-bit
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time_t value. In this case, the RTC is used to "seed" the normal NuttX
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timer and the NuttX timer provides for higherresoution time.
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If RTC_HIRES is enabled in the NuttX configuration, then the RTC
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provides higher resolution time and completely replaces the system
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timer for purpose of date and time.
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config RTC_FREQUENCY
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int "Hi-Res RTC frequency"
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default 1
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depends on RTC_HIRES
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---help---
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If RTC_HIRES is defined, then the frequency of the high resolution RTC
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must be provided. If RTC_HIRES is not defined, RTC_FREQUENCY is
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assumed to be one Hz.
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endif # !RTC_DATETIME
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config RTC_ALARM
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bool "RTC Alarm Support"
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default n
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---help---
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Enable if the RTC hardware supports setting of an alarm. A callback
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function will be executed when the alarm goes off.
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endif # RTC
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menuconfig WATCHDOG
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bool "Watchdog Timer Support"
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default n
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---help---
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This selection enables building of the "upper-half" watchdog timer
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driver. See include/nuttx/watchdog.h for further watchdog timer driver
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information.
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if WATCHDOG
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config WATCHDOG_DEVPATH
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string "Watchdog Device Path"
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default "/dev/watchdog0"
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endif # WATCHDOG
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menuconfig TIMER
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bool "Timer Support"
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default n
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---help---
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This selection enables building of the "upper-half" timer
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driver. See include/nuttx/timer.h for further timer driver
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information.
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source drivers/timers/Kconfig
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menuconfig ANALOG
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bool "Analog Device(ADC/DAC) Support"
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+1
-8
@@ -65,6 +65,7 @@ include sercomm$(DELIM)Make.defs
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include serial$(DELIM)Make.defs
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include spi$(DELIM)Make.defs
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include syslog$(DELIM)Make.defs
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include timers$(DELIM)Make.defs
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include usbdev$(DELIM)Make.defs
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include usbhost$(DELIM)Make.defs
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include video$(DELIM)Make.defs
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@@ -91,14 +92,6 @@ endif
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ifeq ($(CONFIG_PWM),y)
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CSRCS += pwm.c
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endif
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ifeq ($(CONFIG_WATCHDOG),y)
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CSRCS += watchdog.c
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endif
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ifeq ($(CONFIG_TIMER),y)
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CSRCS += timer.c
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endif
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endif
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AOBJS = $(ASRCS:.S=$(OBJEXT))
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@@ -0,0 +1,95 @@
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#
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# For a description of the syntax of this configuration file,
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# see misc/tools/kconfig-language.txt.
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#
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menuconfig TIMER
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bool "Timer Support"
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default n
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---help---
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This selection enables building of the "upper-half" timer
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driver. See include/nuttx/timer.h for further timer driver
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information.
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menuconfig RTC
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bool "RTC Driver Support"
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default n
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---help---
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This selection enables configuration of a real time clock (RTCdriver.
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See include/nuttx/rtc.h for further RTC driver information.
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Most RTC drivers are MCU specific and may require other specific
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settings.
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if RTC
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config RTC_DATETIME
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bool "Date/Time RTC Support"
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default n
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---help---
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There are two general types of RTC: (1) A simple battery backed
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counter that keeps the time when power is down, and (2) a full
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date / time RTC the provides the date and time information, often in
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BCD format. If RTC_DATETIME is selected, it specifies this second kind
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of RTC. In this case, the RTC is used to "seed" the normal NuttX timer
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and the NuttX system timer provides for higher resolution time.
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if !RTC_DATETIME
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config RTC_HIRES
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bool "Hi-Res RTC Support"
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default n
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---help---
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If RTC_DATETIME not selected, then the simple, battery backed counter
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is used. There are two different implementations of such simple
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counters based on the time resolution of the counter: The typical RTC
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keeps time to resolution of 1 second, usually supporting a 32-bit
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time_t value. In this case, the RTC is used to "seed" the normal NuttX
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timer and the NuttX timer provides for higherresoution time.
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If RTC_HIRES is enabled in the NuttX configuration, then the RTC
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provides higher resolution time and completely replaces the system
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timer for purpose of date and time.
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config RTC_FREQUENCY
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int "Hi-Res RTC frequency"
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default 1
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depends on RTC_HIRES
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---help---
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If RTC_HIRES is defined, then the frequency of the high resolution RTC
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must be provided. If RTC_HIRES is not defined, RTC_FREQUENCY is
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assumed to be one Hz.
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endif # !RTC_DATETIME
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config RTC_ALARM
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bool "RTC Alarm Support"
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default n
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---help---
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Enable if the RTC hardware supports setting of an alarm. A callback
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function will be executed when the alarm goes off.
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config RTC_DRIVER
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bool "RTC Driver Support"
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default n
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---help---
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This selection enables building of the "upper-half" RTC
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driver. See include/nuttx/rtc.h for further RTC driver
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information.
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endif # RTC
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menuconfig WATCHDOG
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bool "Watchdog Timer Support"
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default n
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---help---
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This selection enables building of the "upper-half" watchdog timer
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driver. See include/nuttx/watchdog.h for further watchdog timer driver
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information.
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if WATCHDOG
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config WATCHDOG_DEVPATH
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string "Watchdog Device Path"
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default "/dev/watchdog0"
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endif # WATCHDOG
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@@ -0,0 +1,63 @@
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############################################################################
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# drivers/timers/Make.defs
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# These drivers support various timer devices
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#
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# Copyright (C) 20125Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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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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# Include timer drivers
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TMRDEPPATH =
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TMRVPATH =
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ifeq ($(CONFIG_WATCHDOG),y)
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CSRCS += watchdog.c
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TMRDEPPATH = --dep-path timers
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TMRVPATH = :timers
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endif
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ifeq ($(CONFIG_TIMER),y)
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CSRCS += timer.c
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TMRDEPPATH = --dep-path timers
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TMRVPATH = :timers
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endif
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ifeq ($(CONFIG_RTC_DRIVER),y)
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CSRCS += rtc.c
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TMRDEPPATH = --dep-path timers
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TMRVPATH = :timers
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endif
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# Include timer build support (if any were selected)
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DEPPATH += $(TMRDEPPATH)
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VPATH += $(TMRVPATH)
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@@ -1,5 +1,5 @@
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/****************************************************************************
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* drivers/timer.c
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* drivers/timers/timer.c
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*
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* Copyright (C) 2014 Gregory Nutt. All rights reserved.
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* Authors: Gregory Nutt <gnutt@nuttx.org>
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@@ -1,5 +1,5 @@
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/****************************************************************************
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* drivers/watchdog.c
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* drivers/timers/watchdog.c
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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