大家好、
我通过 HDMI 接口将控制器 AM5728连接到屏幕、但屏幕出现了问题、如第一张图片所示。 电路图如下图所示、我注意到 SGX544在初始化失败前已通过串行端口处于初始化状态。 您能否告诉您是什么导致了这样的问题? 谢谢。



此外、这是经过测试的 HDMI 信号波形。 电感前后的波形没有差异。

此致、
凯瑟琳
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屏幕可以显示文本文件、但当屏幕显示图像文件时会出现错误。 误差如下所示。 请告诉我这可能是由什么引起的?
am57xx-evm login: [ 34.327750] omap_l3_noc 44000000.ocp: L3 application error: target 5 mod:1 (unclearable) [ 34.335907] omap_l3_noc 44000000.ocp: L3 debug error: target 5 mod:1 (unclearable) [ 34.540907] PVR_K:(Error): SGXOSTimer() detected SGX lockup (0x2d03 tasks) [ 34.547822] PVR_K: HWRecoveryResetSGX: SGX Hardware Recovery triggered [ 34.554838] PVR_K: SGX debug (SGX_DDK_Linux_XOrg sgxddk 1.17@4948957) [ 34.561516] PVR_K:(Error): SGX Register Base Address (Linear): 0x02134669 [ 34.568515] PVR_K:(Error): SGX Register Base Address (Physical): 0x56000000 [ 34.575950] PVR_K: Running SGXREG Debug Scripts: [ 34.580594] PVR_K: (HYD) [ 34.583147] PVR_K: (SGXREG) 0x00004000 : 0x00000001 [ 34.588149] PVR_K: (SGXREG) 0x00004004 : 0x0000000A [ 34.593144] PVR_K: (SGXREG) 0x00004008 : 0x0000000F [ 34.598136] PVR_K: (SGXREG) 0x00004024 : 0x00000005 [ 34.603130] PVR_K: (SGXREG) 0x00004118 : 0x00000008 [ 34.608122] PVR_K: (SGXREG) 0x0000412C : 0x20000000 [ 34.613116] PVR_K: (SGXREG) 0x00004404 : 0x00000000 [ 34.618109] PVR_K: (SGXREG) 0x00004C04 : 0x00080000 [ 34.623102] PVR_K: (SGXREG) 0x00004C08 : 0x00000000 [ 34.628095] PVR_K: (SGXREG) 0x00004C74 : 0x00000000 [ 34.633089] PVR_K: (SGXREG) 0x00004C78 : 0x00000000 [ 34.638080] PVR_K: (SGXREG) 0x00004CA8 : 0x00000008 [ 34.643073] PVR_K: (P0) [ 34.645535] PVR_K: (SGXREG) 0x00008000 : 0x002AAAAA [ 34.650526] PVR_K: (SGXREG) 0x00008004 : 0x0A8A8AAA [ 34.655520] PVR_K: (SGXREG) 0x00008008 : 0x0103BB87 [ 34.660512] PVR_K: (SGXREG) 0x00008118 : 0x000000A8 [ 34.665504] PVR_K: (SGXREG) 0x0000812C : 0x24142600 [ 34.670496] PVR_K: (SGXREG) 0x000084E4 : 0x00000008 [ 34.675489] PVR_K: (SGXREG) 0x00008658 : 0x00000000 [ 34.680481] PVR_K: (SGXREG) 0x00008A74 : 0x0E208200 [ 34.685511] PVR_K: (SGXREG) 0x00008BA4 : 0x00000001 [ 34.690503] PVR_K: (SGXREG) 0x00008C04 : 0x00080000 [ 34.695497] PVR_K: (SGXREG) 0x00008C08 : 0x00000000 [ 34.700488] PVR_K: (SGXREG) 0x00008C74 : 0x00000000