driver/rc: support IR remote control
N/A guide link: https://www.kernel.org/doc/html/v4.14/media/uapi/rc/lirc-dev.html Change-Id: I84abfc12578d444d72c8c0df31d06d1a85ce0725 Signed-off-by: dongjiuzhu <dongjiuzhu1@xiaomi.com>
This commit is contained in:
dongjiuzhu
Alan Carvalho de Assis
parent
e73e03a33f
commit
2ed6e13241
38
Kconfig
38
Kconfig
@ -1417,6 +1417,44 @@ config DEBUG_PWM_INFO
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endif # DEBUG_PWM
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endif # DEBUG_PWM
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config DEBUG_RC
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bool "RC Debug Features"
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default n
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depends on DRIVERS_RC
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---help---
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Enable RC debug features.
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Support for this debug option is architecture-specific and may not
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be available for some MCUs.
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if DEBUG_RC
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config DEBUG_RC_ERROR
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bool "RC Error Output"
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default n
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depends on DEBUG_ERROR
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---help---
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Enable RC driver error output to SYSLOG.
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Support for this debug option is architecture-specific and may not
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be available for some MCUs.
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config DEBUG_RC_WARN
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bool "RC Warnings Output"
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default n
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depends on DEBUG_WARN
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---help---
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Enable RC driver warning output to SYSLOG.
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config DEBUG_RC_INFO
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bool "RC Informational Output"
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default n
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depends on DEBUG_INFO
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---help---
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Enable RC driver informational output to SYSLOG.
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endif # DEBUG_RC
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config DEBUG_RTC
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config DEBUG_RTC
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bool "RTC Debug Features"
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bool "RTC Debug Features"
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default n
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default n
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@ -112,3 +112,4 @@ source drivers/1wire/Kconfig
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source drivers/syslog/Kconfig
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source drivers/syslog/Kconfig
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source drivers/platform/Kconfig
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source drivers/platform/Kconfig
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source drivers/rf/Kconfig
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source drivers/rf/Kconfig
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source drivers/rc/Kconfig
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@ -74,6 +74,7 @@ include wireless/Make.defs
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include contactless/Make.defs
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include contactless/Make.defs
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include 1wire/Make.defs
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include 1wire/Make.defs
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include rf/Make.defs
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include rf/Make.defs
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include rc/Make.defs
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ifeq ($(CONFIG_SPECIFIC_DRIVERS),y)
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ifeq ($(CONFIG_SPECIFIC_DRIVERS),y)
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include platform/Make.defs
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include platform/Make.defs
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10
drivers/rc/Kconfig
Normal file
10
drivers/rc/Kconfig
Normal file
@ -0,0 +1,10 @@
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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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menuconfig DRIVERS_RC
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bool "Remote Control Device Support"
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default n
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---help---
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Drivers for various remote control
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33
drivers/rc/Make.defs
Normal file
33
drivers/rc/Make.defs
Normal file
@ -0,0 +1,33 @@
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############################################################################
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# drivers/rc/Make.defs
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#
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# Licensed to the Apache Software Foundation (ASF) under one or more
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# contributor license agreements. See the NOTICE file distributed with
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# this work for additional information regarding copyright ownership. The
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# ASF licenses this file to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance with the
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# License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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############################################################################
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# Include remote control drivers
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ifeq ($(CONFIG_DRIVERS_RC),y)
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CSRCS += lirc_dev.c
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# Include remote control driver build support
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DEPPATH += --dep-path rc
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VPATH += :rc
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CFLAGS += ${shell $(INCDIR) "$(CC)" $(TOPDIR)$(DELIM)drivers$(DELIM)rc}
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endif # CONFIG_REMOTE_CONTROL
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1168
drivers/rc/lirc_dev.c
Normal file
1168
drivers/rc/lirc_dev.c
Normal file
File diff suppressed because it is too large
Load Diff
@ -595,6 +595,24 @@
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# define pwminfo _none
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# define pwminfo _none
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#endif
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#endif
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#ifdef CONFIG_DEBUG_RC_ERROR
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# define rcerr _err
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#else
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# define rcerr _none
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#endif
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#ifdef CONFIG_DEBUG_RC_WARN
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# define rcwarn _warn
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#else
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# define rcwarn _none
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#endif
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#ifdef CONFIG_DEBUG_RC_INFO
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# define rcinfo _info
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#else
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# define rcinfo _none
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#endif
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#ifdef CONFIG_DEBUG_RTC_ERROR
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#ifdef CONFIG_DEBUG_RTC_ERROR
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# define rtcerr _err
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# define rtcerr _err
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#else
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#else
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@ -99,6 +99,7 @@
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#define _RPTUNBASE (0x2b00) /* Remote processor tunnel ioctl commands */
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#define _RPTUNBASE (0x2b00) /* Remote processor tunnel ioctl commands */
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#define _NOTECTLBASE (0x2c00) /* Note filter control ioctl commands*/
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#define _NOTECTLBASE (0x2c00) /* Note filter control ioctl commands*/
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#define _NOTERAMBASE (0x2d00) /* Noteram device ioctl commands*/
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#define _NOTERAMBASE (0x2d00) /* Noteram device ioctl commands*/
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#define _RCIOCBASE (0x2e00) /* Remote Control device ioctl commands */
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#define _WLIOCBASE (0x8b00) /* Wireless modules ioctl network commands */
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#define _WLIOCBASE (0x8b00) /* Wireless modules ioctl network commands */
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/* boardctl() commands share the same number space */
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/* boardctl() commands share the same number space */
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@ -539,6 +540,11 @@
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#define _NOTERAMIOCVALID(c) (_IOC_TYPE(c) == _NOTERAMBASE)
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#define _NOTERAMIOCVALID(c) (_IOC_TYPE(c) == _NOTERAMBASE)
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#define _NOTERAMIOC(nr) _IOC(_NOTERAMBASE, nr)
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#define _NOTERAMIOC(nr) _IOC(_NOTERAMBASE, nr)
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/* Remote Control drivers ***************************************************/
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#define _RCIOCVALID(c) (_IOC_TYPE(c)==_RCIOCBASE)
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#define _RCIOC(nr) _IOC(_RCIOCBASE,nr)
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/* Wireless driver network ioctl definitions ********************************/
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/* Wireless driver network ioctl definitions ********************************/
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/* (see nuttx/include/wireless/wireless.h */
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/* (see nuttx/include/wireless/wireless.h */
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264
include/nuttx/lirc.h
Normal file
264
include/nuttx/lirc.h
Normal file
@ -0,0 +1,264 @@
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/****************************************************************************
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* include/nuttx/lirc.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __INCLUDE_NUTTX_LIRC_H
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#define __INCLUDE_NUTTX_LIRC_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/fs/ioctl.h>
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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#define PULSE_BIT 0x01000000
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#define PULSE_MASK 0x00FFFFFF
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#define LIRC_MODE2_SPACE 0x00000000
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#define LIRC_MODE2_PULSE 0x01000000
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#define LIRC_MODE2_FREQUENCY 0x02000000
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#define LIRC_MODE2_TIMEOUT 0x03000000
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#define LIRC_VALUE_MASK 0x00FFFFFF
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#define LIRC_MODE2_MASK 0xFF000000
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#define LIRC_SPACE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_SPACE)
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#define LIRC_PULSE(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_PULSE)
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#define LIRC_FREQUENCY(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_FREQUENCY)
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#define LIRC_TIMEOUT(val) (((val)&LIRC_VALUE_MASK) | LIRC_MODE2_TIMEOUT)
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#define LIRC_VALUE(val) ((val)&LIRC_VALUE_MASK)
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#define LIRC_MODE2(val) ((val)&LIRC_MODE2_MASK)
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#define LIRC_IS_SPACE(val) (LIRC_MODE2(val) == LIRC_MODE2_SPACE)
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#define LIRC_IS_PULSE(val) (LIRC_MODE2(val) == LIRC_MODE2_PULSE)
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#define LIRC_IS_FREQUENCY(val) (LIRC_MODE2(val) == LIRC_MODE2_FREQUENCY)
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#define LIRC_IS_TIMEOUT(val) (LIRC_MODE2(val) == LIRC_MODE2_TIMEOUT)
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/* used heavily by lirc userspace */
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#define lirc_t int
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/* lirc compatible hardware features */
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#define LIRC_MODE2SEND(x) (x)
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#define LIRC_SEND2MODE(x) (x)
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#define LIRC_MODE2REC(x) ((x) << 16)
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#define LIRC_REC2MODE(x) ((x) >> 16)
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#define LIRC_MODE_RAW 0x00000001
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#define LIRC_MODE_PULSE 0x00000002
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#define LIRC_MODE_MODE2 0x00000004
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#define LIRC_MODE_SCANCODE 0x00000008
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#define LIRC_MODE_LIRCCODE 0x00000010
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#define LIRC_CAN_SEND_RAW LIRC_MODE2SEND(LIRC_MODE_RAW)
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#define LIRC_CAN_SEND_PULSE LIRC_MODE2SEND(LIRC_MODE_PULSE)
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#define LIRC_CAN_SEND_MODE2 LIRC_MODE2SEND(LIRC_MODE_MODE2)
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#define LIRC_CAN_SEND_SCANCODE LIRC_MODE2SEND(LIRC_MODE_SCANCODE)
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#define LIRC_CAN_SEND_LIRCCODE LIRC_MODE2SEND(LIRC_MODE_LIRCCODE)
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#define LIRC_CAN_SEND_MASK 0x0000003f
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#define LIRC_CAN_SET_SEND_CARRIER 0x00000100
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#define LIRC_CAN_SET_SEND_DUTY_CYCLE 0x00000200
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#define LIRC_CAN_SET_TRANSMITTER_MASK 0x00000400
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#define LIRC_CAN_REC_RAW LIRC_MODE2REC(LIRC_MODE_RAW)
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#define LIRC_CAN_REC_PULSE LIRC_MODE2REC(LIRC_MODE_PULSE)
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#define LIRC_CAN_REC_MODE2 LIRC_MODE2REC(LIRC_MODE_MODE2)
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#define LIRC_CAN_REC_SCANCODE LIRC_MODE2REC(LIRC_MODE_SCANCODE)
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#define LIRC_CAN_REC_LIRCCODE LIRC_MODE2REC(LIRC_MODE_LIRCCODE)
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#define LIRC_CAN_REC_MASK LIRC_MODE2REC(LIRC_CAN_SEND_MASK)
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#define LIRC_CAN_SET_REC_CARRIER (LIRC_CAN_SET_SEND_CARRIER << 16)
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#define LIRC_CAN_SET_REC_DUTY_CYCLE (LIRC_CAN_SET_SEND_DUTY_CYCLE << 16)
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#define LIRC_CAN_SET_REC_DUTY_CYCLE_RANGE 0x40000000
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#define LIRC_CAN_SET_REC_CARRIER_RANGE 0x80000000
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#define LIRC_CAN_GET_REC_RESOLUTION 0x20000000
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#define LIRC_CAN_SET_REC_TIMEOUT 0x10000000
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#define LIRC_CAN_SET_REC_FILTER 0x08000000
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#define LIRC_CAN_MEASURE_CARRIER 0x02000000
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#define LIRC_CAN_USE_WIDEBAND_RECEIVER 0x04000000
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#define LIRC_CAN_SEND(x) ((x)&LIRC_CAN_SEND_MASK)
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#define LIRC_CAN_REC(x) ((x)&LIRC_CAN_REC_MASK)
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#define LIRC_CAN_NOTIFY_DECODE 0x01000000
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/* IOCTL commands for lirc driver */
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#define LIRC_GET_FEATURES _RCIOC(0x0000)
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#define LIRC_GET_SEND_MODE _RCIOC(0x0001)
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#define LIRC_GET_REC_MODE _RCIOC(0x0002)
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#define LIRC_GET_REC_RESOLUTION _RCIOC(0x0007)
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#define LIRC_GET_MIN_TIMEOUT _RCIOC(0x0008)
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#define LIRC_GET_MAX_TIMEOUT _RCIOC(0x0009)
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/* code length in bits, currently only for LIRC_MODE_LIRCCODE */
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#define LIRC_GET_LENGTH _RCIOC(0x000f)
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#define LIRC_SET_SEND_MODE _RCIOC(0x0011)
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#define LIRC_SET_REC_MODE _RCIOC(0x0012)
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/* Note: these can reset the according pulse_width */
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#define LIRC_SET_SEND_CARRIER _RCIOC(0x0013)
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#define LIRC_SET_REC_CARRIER _RCIOC(0x0014)
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#define LIRC_SET_SEND_DUTY_CYCLE _RCIOC(0x0015)
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#define LIRC_SET_TRANSMITTER_MASK _RCIOC(0x0017)
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/* when a timeout != 0 is set the driver will send a
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* LIRC_MODE2_TIMEOUT data packet, otherwise LIRC_MODE2_TIMEOUT is
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* never sent, timeout is disabled by default
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*/
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#define LIRC_SET_REC_TIMEOUT _RCIOC(0x0018)
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/* 1 enables, 0 disables timeout reports in MODE2 */
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#define LIRC_SET_REC_TIMEOUT_REPORTS _RCIOC(0x0019)
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/* if enabled from the next key press on the driver will send
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* LIRC_MODE2_FREQUENCY packets
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*/
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#define LIRC_SET_MEASURE_CARRIER_MODE _RCIOC(0x001d)
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/* to set a range use LIRC_SET_REC_CARRIER_RANGE with the
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* lower bound first and later LIRC_SET_REC_CARRIER with the upper bound
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*/
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#define LIRC_SET_REC_CARRIER_RANGE _RCIOC(0x001f)
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#define LIRC_SET_WIDEBAND_RECEIVER _RCIOC(0x0023)
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/* Return the recording timeout, which is either set by
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* the ioctl LIRC_SET_REC_TIMEOUT or by the kernel after setting
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* the protocols.
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*/
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#define LIRC_GET_REC_TIMEOUT _RCIOC(0x0024)
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* struct lirc_scancode - decoded scancode with protocol for use with
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* LIRC_MODE_SCANCODE
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*
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* timestamp: Timestamp in nanoseconds using CLOCK_MONOTONIC when IR
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* was decoded.
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* flags: should be 0 for transmit. When receiving scancodes,
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* LIRC_SCANCODE_FLAG_TOGGLE or LIRC_SCANCODE_FLAG_REPEAT can be set
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* depending on the protocol
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* rc_proto: see enum rc_proto
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* keycode: the translated keycode. Set to 0 for transmit.
|
||||||
|
* scancode: the scancode received or to be sent
|
||||||
|
*/
|
||||||
|
|
||||||
|
struct lirc_scancode
|
||||||
|
{
|
||||||
|
uint64_t timestamp;
|
||||||
|
uint16_t flags;
|
||||||
|
uint16_t rc_proto;
|
||||||
|
uint32_t keycode;
|
||||||
|
uint64_t scancode;
|
||||||
|
};
|
||||||
|
|
||||||
|
/* Set if the toggle bit of rc-5 or rc-6 is enabled */
|
||||||
|
|
||||||
|
#define LIRC_SCANCODE_FLAG_TOGGLE 1
|
||||||
|
|
||||||
|
/* Set if this is a nec or sanyo repeat */
|
||||||
|
|
||||||
|
#define LIRC_SCANCODE_FLAG_REPEAT 2
|
||||||
|
|
||||||
|
/* enum rc_proto - the Remote Controller protocol
|
||||||
|
*
|
||||||
|
* RC_PROTO_UNKNOWN: Protocol not known
|
||||||
|
* RC_PROTO_OTHER: Protocol known but proprietary
|
||||||
|
* RC_PROTO_RC5: Philips RC5 protocol
|
||||||
|
* RC_PROTO_RC5X_20: Philips RC5x 20 bit protocol
|
||||||
|
* RC_PROTO_RC5_SZ: StreamZap variant of RC5
|
||||||
|
* RC_PROTO_JVC: JVC protocol
|
||||||
|
* RC_PROTO_SONY12: Sony 12 bit protocol
|
||||||
|
* RC_PROTO_SONY15: Sony 15 bit protocol
|
||||||
|
* RC_PROTO_SONY20: Sony 20 bit protocol
|
||||||
|
* RC_PROTO_NEC: NEC protocol
|
||||||
|
* RC_PROTO_NECX: Extended NEC protocol
|
||||||
|
* RC_PROTO_NEC32: NEC 32 bit protocol
|
||||||
|
* RC_PROTO_SANYO: Sanyo protocol
|
||||||
|
* RC_PROTO_MCIR2_KBD: RC6-ish MCE keyboard
|
||||||
|
* RC_PROTO_MCIR2_MSE: RC6-ish MCE mouse
|
||||||
|
* RC_PROTO_RC6_0: Philips RC6-0-16 protocol
|
||||||
|
* RC_PROTO_RC6_6A_20: Philips RC6-6A-20 protocol
|
||||||
|
* RC_PROTO_RC6_6A_24: Philips RC6-6A-24 protocol
|
||||||
|
* RC_PROTO_RC6_6A_32: Philips RC6-6A-32 protocol
|
||||||
|
* RC_PROTO_RC6_MCE: MCE (Philips RC6-6A-32 subtype) protocol
|
||||||
|
* RC_PROTO_SHARP: Sharp protocol
|
||||||
|
* RC_PROTO_XMP: XMP protocol
|
||||||
|
* RC_PROTO_CEC: CEC protocol
|
||||||
|
* RC_PROTO_IMON: iMon Pad protocol
|
||||||
|
* RC_PROTO_RCMM12: RC-MM protocol 12 bits
|
||||||
|
* RC_PROTO_RCMM24: RC-MM protocol 24 bits
|
||||||
|
* RC_PROTO_RCMM32: RC-MM protocol 32 bits
|
||||||
|
* RC_PROTO_XBOX_DVD: Xbox DVD Movie Playback Kit protocol
|
||||||
|
*/
|
||||||
|
|
||||||
|
enum rc_proto
|
||||||
|
{
|
||||||
|
RC_PROTO_UNKNOWN = 0,
|
||||||
|
RC_PROTO_OTHER = 1,
|
||||||
|
RC_PROTO_RC5 = 2,
|
||||||
|
RC_PROTO_RC5X_20 = 3,
|
||||||
|
RC_PROTO_RC5_SZ = 4,
|
||||||
|
RC_PROTO_JVC = 5,
|
||||||
|
RC_PROTO_SONY12 = 6,
|
||||||
|
RC_PROTO_SONY15 = 7,
|
||||||
|
RC_PROTO_SONY20 = 8,
|
||||||
|
RC_PROTO_NEC = 9,
|
||||||
|
RC_PROTO_NECX = 10,
|
||||||
|
RC_PROTO_NEC32 = 11,
|
||||||
|
RC_PROTO_SANYO = 12,
|
||||||
|
RC_PROTO_MCIR2_KBD = 13,
|
||||||
|
RC_PROTO_MCIR2_MSE = 14,
|
||||||
|
RC_PROTO_RC6_0 = 15,
|
||||||
|
RC_PROTO_RC6_6A_20 = 16,
|
||||||
|
RC_PROTO_RC6_6A_24 = 17,
|
||||||
|
RC_PROTO_RC6_6A_32 = 18,
|
||||||
|
RC_PROTO_RC6_MCE = 19,
|
||||||
|
RC_PROTO_SHARP = 20,
|
||||||
|
RC_PROTO_XMP = 21,
|
||||||
|
RC_PROTO_CEC = 22,
|
||||||
|
RC_PROTO_IMON = 23,
|
||||||
|
RC_PROTO_RCMM12 = 24,
|
||||||
|
RC_PROTO_RCMM24 = 25,
|
||||||
|
RC_PROTO_RCMM32 = 26,
|
||||||
|
RC_PROTO_XBOX_DVD = 27,
|
||||||
|
};
|
||||||
|
|
||||||
|
#endif
|
||||||
271
include/nuttx/rc/lirc_dev.h
Normal file
271
include/nuttx/rc/lirc_dev.h
Normal file
@ -0,0 +1,271 @@
|
|||||||
|
/****************************************************************************
|
||||||
|
* include/nuttx/rc/lirc_dev.h
|
||||||
|
*
|
||||||
|
* Licensed to the Apache Software Foundation (ASF) under one or more
|
||||||
|
* contributor license agreements. See the NOTICE file distributed with
|
||||||
|
* this work for additional information regarding copyright ownership. The
|
||||||
|
* ASF licenses this file to you under the Apache License, Version 2.0 (the
|
||||||
|
* "License"); you may not use this file except in compliance with the
|
||||||
|
* License. You may obtain a copy of the License at
|
||||||
|
*
|
||||||
|
* http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
*
|
||||||
|
* Unless required by applicable law or agreed to in writing, software
|
||||||
|
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||||
|
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||||
|
* License for the specific language governing permissions and limitations
|
||||||
|
* under the License.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#ifndef __INCLUDE_NUTTX_RC_LIRC_DEV_H
|
||||||
|
#define __INCLUDE_NUTTX_RC_LIRC_DEV_H
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Included Files
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#include <nuttx/config.h>
|
||||||
|
#include <nuttx/list.h>
|
||||||
|
#include <nuttx/semaphore.h>
|
||||||
|
#include <nuttx/lirc.h>
|
||||||
|
|
||||||
|
#include <time.h>
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Pre-processor Definitions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Inline Functions
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
static inline uint64_t lirc_get_timestamp(void)
|
||||||
|
{
|
||||||
|
struct timespec ts;
|
||||||
|
|
||||||
|
#ifdef CONFIG_CLOCK_MONOTONIC
|
||||||
|
clock_gettime(CLOCK_MONOTONIC, &ts);
|
||||||
|
#else
|
||||||
|
clock_gettime(CLOCK_REALTIME, &ts);
|
||||||
|
#endif
|
||||||
|
|
||||||
|
return 1000000000ull * ts.tv_sec + ts.tv_nsec;
|
||||||
|
}
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Types
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
/* enum lirc_driver_type_e - type of the LIRC driver.
|
||||||
|
*
|
||||||
|
* LIRC_DRIVER_SCANCODE: Driver or hardware generates a scancode.
|
||||||
|
* LIRC_DRIVER_IR_RAW: Driver or hardware generates pulse/space sequences.
|
||||||
|
* It needs a Infra-Red pulse/space decoder
|
||||||
|
* LIRC_DRIVER_IR_RAW_TX: Device transmitter only,
|
||||||
|
* driver requires pulse/space data sequence.
|
||||||
|
*/
|
||||||
|
|
||||||
|
enum lirc_driver_type_e
|
||||||
|
{
|
||||||
|
LIRC_DRIVER_SCANCODE = 0,
|
||||||
|
LIRC_DRIVER_IR_RAW,
|
||||||
|
LIRC_DRIVER_IR_RAW_TX,
|
||||||
|
};
|
||||||
|
|
||||||
|
/* The Raw interface is specific to InfraRed. */
|
||||||
|
|
||||||
|
struct lirc_raw_event_s
|
||||||
|
{
|
||||||
|
union
|
||||||
|
{
|
||||||
|
uint32_t duration;
|
||||||
|
uint32_t carrier;
|
||||||
|
};
|
||||||
|
|
||||||
|
uint8_t duty_cycle;
|
||||||
|
|
||||||
|
unsigned pulse:1;
|
||||||
|
unsigned reset:1;
|
||||||
|
unsigned timeout:1;
|
||||||
|
unsigned carrier_report:1;
|
||||||
|
};
|
||||||
|
|
||||||
|
/* struct lirc_ops_s - The lower half driver operations
|
||||||
|
* driver_type: specifies if protocol decoding is done in hard/software
|
||||||
|
* open: allow drivers to enable polling/irq when IR input dev is opened.
|
||||||
|
* close: allow drivers to disable polling/irq when IR input dev is closed.
|
||||||
|
* s_tx_mask: set transmitter mask (for devices with multiple tx outputs)
|
||||||
|
* s_tx_carrier: set transmit carrier frequency
|
||||||
|
* s_tx_duty_cycle: set transmit duty cycle (0% - 100%)
|
||||||
|
* s_rx_carrier_range: inform driver about carrier it is expected to handle
|
||||||
|
* tx_ir: transmit raw data to IR
|
||||||
|
* tx_scancode: transmit scancodes to IR
|
||||||
|
* s_learning_mode: enable wide band receiver used for learning
|
||||||
|
* s_carrier_report: enable carrier reports
|
||||||
|
* s_timeout: set hardware timeout in us
|
||||||
|
*/
|
||||||
|
|
||||||
|
struct lirc_lowerhalf_s;
|
||||||
|
struct lirc_ops_s
|
||||||
|
{
|
||||||
|
enum lirc_driver_type_e driver_type;
|
||||||
|
CODE int (*open)(FAR struct lirc_lowerhalf_s *lower);
|
||||||
|
CODE void (*close)(FAR struct lirc_lowerhalf_s *lower);
|
||||||
|
CODE int (*s_tx_mask)(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
unsigned int mask);
|
||||||
|
CODE int (*s_tx_carrier)(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
unsigned int carrier);
|
||||||
|
CODE int (*s_tx_duty_cycle)(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
unsigned int duty_cycle);
|
||||||
|
CODE int (*s_rx_carrier_range)(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
unsigned int min, unsigned int max);
|
||||||
|
CODE int (*tx_ir)(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
FAR unsigned int *txbuf, unsigned int n);
|
||||||
|
CODE int (*tx_scancode)(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
FAR struct lirc_scancode *txbuf);
|
||||||
|
CODE int (*s_learning_mode)(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
int enable);
|
||||||
|
CODE int (*s_carrier_report) (FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
int enable);
|
||||||
|
CODE int (*s_timeout)(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
unsigned int timeout);
|
||||||
|
};
|
||||||
|
|
||||||
|
/* struct lirc_lowerhalf_s - represents a remote control device
|
||||||
|
* ops: the lirc lowerhalf driver operations
|
||||||
|
* priv: the pointer to lirc upperhalf handle, it's updated by lirc_register.
|
||||||
|
* timeout: optional time after which device stops sending data
|
||||||
|
* min_timeout: minimum timeout supported by device
|
||||||
|
* max_timeout: maximum timeout supported by device
|
||||||
|
* buffer_bytes: The size of intermediate buffer, in bytes unit. we recommend
|
||||||
|
* size is a multiple of unsigned int for LIRC_DRIVER_IR_RAW,
|
||||||
|
* is a multiple of struct lirc_scancode for
|
||||||
|
* LIRC_DRIVER_SCANCODE. we don't need to set buffer_bytes for
|
||||||
|
* LIRC_DRIVER_IR_RAW_TX.
|
||||||
|
* rx_resolution: resolution (in us) of input sampler
|
||||||
|
* tx_resolution: resolution (in us) of output sampler
|
||||||
|
*/
|
||||||
|
|
||||||
|
struct lirc_lowerhalf_s
|
||||||
|
{
|
||||||
|
FAR const struct lirc_ops_s *ops;
|
||||||
|
FAR void *priv;
|
||||||
|
unsigned int timeout;
|
||||||
|
unsigned int min_timeout;
|
||||||
|
unsigned int max_timeout;
|
||||||
|
unsigned int buffer_bytes;
|
||||||
|
unsigned int rx_resolution;
|
||||||
|
unsigned int tx_resolution;
|
||||||
|
};
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Public Function Prototypes
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
#undef EXTERN
|
||||||
|
#if defined(__cplusplus)
|
||||||
|
#define EXTERN extern "C"
|
||||||
|
extern "C"
|
||||||
|
{
|
||||||
|
#else
|
||||||
|
#define EXTERN extern
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: lirc_register
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* This function binds an instance of a "lower half" lirc driver with the
|
||||||
|
* "upper half" RC device and registers that device so that can be used
|
||||||
|
* by application code.
|
||||||
|
*
|
||||||
|
* We will register the chararter device. ex: /dev/lirc%d(0, 1, ...)
|
||||||
|
*
|
||||||
|
* Input Parameters:
|
||||||
|
* lower - A pointer to an instance of lower half lirc driver.
|
||||||
|
* devno - The user specifies device number, from 0. If the
|
||||||
|
* devno alerady exists, -EEXIST will be returned.
|
||||||
|
*
|
||||||
|
* Returned Value:
|
||||||
|
* OK if the driver was successfully register; A negated errno value is
|
||||||
|
* returned on any failure.
|
||||||
|
*
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
int lirc_register(FAR struct lirc_lowerhalf_s *lower, int devno);
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: lirc_unregister
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* This function unregister character node and release all resource about
|
||||||
|
* upper half driver.
|
||||||
|
*
|
||||||
|
* Input Parameters:
|
||||||
|
* lower - A pointer to an instance of lower half lirc driver.
|
||||||
|
* devno - The user specifies device number, from 0.
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void lirc_unregister(FAR struct lirc_lowerhalf_s *lower, int devno);
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: lirc_sample_event
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Lirc lowerhalf driver sends raw IR data to lirc upperhalf buffer, to
|
||||||
|
* notify userspace to read IR data.
|
||||||
|
*
|
||||||
|
* The type of data is a sequence of pulse and space codes, as a seriers
|
||||||
|
* of unsigned values.
|
||||||
|
*
|
||||||
|
* The upper 8 bits determine the packet type, and the lower 24 bits the
|
||||||
|
* payload.
|
||||||
|
*
|
||||||
|
* Input Parameters:
|
||||||
|
* lower - A pointer to an instance of lower half lirc driver.
|
||||||
|
* sample - The data of receiving from IR device
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void lirc_sample_event(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
unsigned int sample);
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: lirc_raw_event
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Lirc lowerhalf driver sends IR data to lirc upperhalf buffer, to
|
||||||
|
* notify userspace to read IR data.
|
||||||
|
*
|
||||||
|
* The type of data is struct lirc_raw_event_s.
|
||||||
|
*
|
||||||
|
* Input Parameters:
|
||||||
|
* lower - A pointer to an instance of lower half lirc driver.
|
||||||
|
* ev - The data of receiving from IR device
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void lirc_raw_event(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
struct lirc_raw_event_s ev);
|
||||||
|
|
||||||
|
/****************************************************************************
|
||||||
|
* Name: lirc_scancode_event
|
||||||
|
*
|
||||||
|
* Description:
|
||||||
|
* Lirc lowerhalf driver sends IR data to lirc upperhalf buffer, to
|
||||||
|
* notify userspace to read IR data.
|
||||||
|
*
|
||||||
|
* The type of data is struct lirc_scancode.
|
||||||
|
*
|
||||||
|
* Input Parameters:
|
||||||
|
* lower - A pointer to an instance of lower half lirc driver.
|
||||||
|
* lsc - The data of receiving from IR device
|
||||||
|
****************************************************************************/
|
||||||
|
|
||||||
|
void lirc_scancode_event(FAR struct lirc_lowerhalf_s *lower,
|
||||||
|
FAR struct lirc_scancode *lsc);
|
||||||
|
|
||||||
|
#undef EXTERN
|
||||||
|
#if defined(__cplusplus)
|
||||||
|
}
|
||||||
|
#endif
|
||||||
|
#endif
|
||||||
Loading…
x
Reference in New Issue
Block a user