linux – 在RPI上使用cec-client关闭电视
发布时间：2020-12-14 01:55:31 所属栏目：Linux 来源：网络整理
导读：我有运行Raspbian的RPi B通过HDMI连接到我的LG电视.我成功编译并安装了cec-client,我可以使用命令echo“on 0”|轻松打开电视cec-client -s,但当我尝试使用命令echo“standby 0”|关闭电视时cec-client -s我得到这个输出： opening a connection to the CEC a
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我有运行Raspbian的RPi B通过HDMI连接到我的LG电视.我成功编译并安装了cec-client,我可以使用命令echo“on 0”|轻松打开电视cec-client -s,但当我尝试使用命令echo“standby 0”|关闭电视时cec-client -s我得到这个输出：
opening a connection to the CEC adapter... DEBUG: [ 316] unregistering all CEC clients DEBUG: [ 318] Broadcast (F): osd name set to 'Broadcast' DEBUG: [ 324] InitHostCEC - vchiq_initialise succeeded DEBUG: [ 325] InitHostCEC - vchi_initialise succeeded DEBUG: [ 326] InitHostCEC - vchi_connect succeeded DEBUG: [ 330] logical address changed to Broadcast (f) DEBUG: [ 333] RegisterLogicalAddress - registering address e DEBUG: [ 605] logical address changed to Recorder 1 (1) DEBUG: [ 605] logical address changed to Free use (e) DEBUG: [ 605] Open - vc_cec initialised NOTICE: [ 605] connection opened DEBUG: [ 607] processor thread started DEBUG: [ 608] << Broadcast (F) -> TV (0): POLL DEBUG: [ 611] initiator 'Broadcast' is not supported by the CEC adapter. using 'Free use' instead TRAFFIC: [ 612] << e0 DEBUG: [ 647] >> POLL sent DEBUG: [ 647] TV (0): device status changed into 'present' DEBUG: [ 647] << requesting vendor ID of 'TV' (0) TRAFFIC: [ 647] << e0:8c DEBUG: [ 1858] expected response not received (87: device vendor id) TRAFFIC: [ 1859] << e0:8c DEBUG: [ 3070] expected response not received (87: device vendor id) NOTICE: [ 3070] registering new CEC client - v2.1.4 DEBUG: [ 3070] detecting logical address for type 'recording device' DEBUG: [ 3070] trying logical address 'Recorder 1' DEBUG: [ 3070] << Recorder 1 (1) -> Recorder 1 (1): POLL TRAFFIC: [ 3071] << 11 DEBUG: [ 3071] UnregisterLogicalAddress - releasing previous logical address DEBUG: [ 3072] logical address changed to Broadcast (f) DEBUG: [ 3073] RegisterLogicalAddress - registering address 1 DEBUG: [ 3255] logical address changed to Free use (e) DEBUG: [ 3255] logical address changed to Recorder 1 (1) TRAFFIC: [ 3255] << 11 DEBUG: [ 3255] >> POLL not sent DEBUG: [ 3256] using logical address 'Recorder 1' DEBUG: [ 3256] Recorder 1 (1): device status changed into 'handled by libCEC' DEBUG: [ 3256] Recorder 1 (1): power status changed from 'unknown' to 'on' DEBUG: [ 3256] Recorder 1 (1): vendor = Pulse Eight (001582) DEBUG: [ 3256] Recorder 1 (1): CEC version 1.4 DEBUG: [ 3256] AllocateLogicalAddresses - device '0',type 'recording device',LA '1' DEBUG: [ 3256] Recorder 1 (1): osd name set to 'CECTester' DEBUG: [ 3256] Recorder 1 (1): menu language set to 'eng' DEBUG: [ 3258] GetPhysicalAddress - physical address = 3000 DEBUG: [ 3258] AutodetectPhysicalAddress - autodetected physical address '3000' DEBUG: [ 3260] Recorder 1 (1): physical address changed from ffff to 3000 DEBUG: [ 3262] << Recorder 1 (1) -> broadcast (F): physical adddress 3000 TRAFFIC: [ 3263] << 1f:84:30:00:01 NOTICE: [ 3415] CEC client registered: libCEC version = 2.1.4,client version = 2.1.4,firmware version = 1,logical address(es) = Recorder 1 (1),physical address: 3.0.0.0,host: armv6l-unknown-linux-gnueabihf,features: 'P8 USB' 'P8 USB detect' 'RPi',git revision: a560d24,compiled on: Sun Sep 14 17:49:41 UTC 2014 by pi@raspberrypi on Linux 3.12.28+ (armv6l) DEBUG: [ 3415] << Recorder 1 (1) -> TV (0): OSD name 'CECTester' TRAFFIC: [ 3415] << 10:47:43:45:43:54:65:73:74:65:72 DEBUG: [ 3716] << requesting power status of 'TV' (0) TRAFFIC: [ 3716] << 10:8f TRAFFIC: [ 3868] >> 01:8c DEBUG: [ 3868] >> TV (0) -> Recorder 1 (1): give device vendor id (8C) DEBUG: [ 3871] << Recorder 1 (1) -> TV (0): vendor id Pulse Eight (1582) TRAFFIC: [ 3873] << 1f:87:00:15:82 TRAFFIC: [ 4087] >> 01:90:00 DEBUG: [ 4087] >> TV (0) -> Recorder 1 (1): report power status (90) DEBUG: [ 4088] TV (0): power status changed from 'unknown' to 'on' DEBUG: [ 4089] expected response received (90: report power status) DEBUG: [ 4091] << requesting vendor ID of 'TV' (0) TRAFFIC: [ 4091] << 10:8c TRAFFIC: [ 4323] >> 0f:87:00:e0:91 DEBUG: [ 4323] >> TV (0) -> Broadcast (F): device vendor id (87) DEBUG: [ 4323] TV (0): vendor = LG (00e091) DEBUG: [ 4323] << Recorder 1 (1) -> Broadcast (F): vendor id Pulse Eight (1582) TRAFFIC: [ 4323] << 1f:87:00:15:82 DEBUG: [ 4474] expected response received (87: device vendor id) DEBUG: [ 4475] replacing the command handler for device 'TV' (0) DEBUG: [ 4478] TV (0): CEC version 1.3a DEBUG: [ 4479] TV (0): menu language set to 'eng' DEBUG: [ 4481] Recorder 1 (1): vendor = LG (00e091) DEBUG: [ 4485] replacing the command handler for device 'Recorder 1' (1) DEBUG: [ 4485] Recorder 1 (1): CEC version 1.3a NOTICE: [ 4487] << putting 'TV' (0) in standby mode TRAFFIC: [ 4488] << 10:36 DEBUG: [ 4552] unregistering all CEC clients NOTICE: [ 4555] unregistering client: libCEC version = 2.1.4,compiled on: Sun Sep 14 17:49:41 UTC 2014 by pi@raspberrypi on Linux 3.12.28+ (armv6l) DEBUG: [ 4559] Recorder 1 (1): power status changed from 'on' to 'unknown' DEBUG: [ 4561] Recorder 1 (1): vendor = Unknown (000000) DEBUG: [ 4564] Recorder 1 (1): CEC version unknown DEBUG: [ 4565] Recorder 1 (1): osd name set to 'Recorder 1' DEBUG: [ 4567] Recorder 1 (1): device status changed into 'unknown' DEBUG: [ 4567] unregistering all CEC clients DEBUG: [ 4624] UnregisterLogicalAddress - releasing previous logical address DEBUG: [ 4630] logical address changed to Broadcast (f) 没有任何反应.此外,我只使用CLI,并在一段时间后RPi将电视放入空白屏幕保护程序,但我无法弄清楚如何在我的命令下立即执行此操作. 解决方法
似乎libCEC没有任何问题.然而,LG TV模型的HDMI-CEC实现可能只是忽略了备用命令.您应该使用其他符合HDMI-CEC标准的设备测试Raspberry Pi,以检查备用命令是否正常工作.
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