Part Number:DLPC7540
Sophie Chen:
test pattern显示不了?棋盘格打不出来? 切不过去吗?还是怎么?
,
? ?:
是的,棋盘格打不出来。
DLP Control program里面可以正常设定到test pattern或者external信号,读取设定状态也是对的,但就是显示不出来,一直是黑画面。
,
Jeremy_Wu:
核对这里配置是否和硬件链接一致。DLPC7540和DMD。
,
? ?:
硬件确认和软件配置是一致的。如果不一致,开机DLP logo和SFG显示也会不正常的。
,
? ?:
切换Test Pattern和HDMI信号的dbmsg, 供参考!
Blank screen is set to TPGdispfmt_CalculateDisplayArea:X, Y, Width, Height = 0, 0, 3840, 2160 dispfmt: minPan, pan, maxPan:0, 0, 0data = { 3840, 0, 3840 } dispfmt: minScan, scan, maxScan:0, 0, 0data = { 2160, 0, 2160 } dispfmt_CalculateCroppedArea:X, Y, Width, Height = 0, 0, 3840, 2160 dispfmt:apply_disp: activeSource = 3, dispSrc = 0datapath: Transition to IDLING on Vx1(ITE0) Command 0x11 execution took 215698 us (greater than allowed 50 ms) mbSend: mbx: 2b610msg: 0005tID: 2b348 mbRecv: mbx: 2b610msg: 0005us (greatesource: SPLASH address:0x1053045c source: DisplaySplash size = 3840 x 2160 Blank screen is set to splashdispfmt_CalculateDisplayArea:X, Y, Width, Height = 0, 0, 3840, 2160 dispfmt: minPan, pan, maxPan:0, 0, 0data = { 3840, 0, 3840 } dispfmt: minScan, scan, maxScan:0, 0, 0data = { 2160, 0, 2160 } dispfmt_CalculateCroppedArea:X, Y, Width, Height = 0, 0, 3840, 2160 dispfmt:apply_disp: activeSource = 2, dispSrc = 2------------------- SCANNING CONNECTOR : Vx1(ITE0) ---------------- Warning: No AFE1000/HW communcation found while attempting to place stand-by (However connector table seem to have a VGA entry) digcontrol: Decoder 5 powerStandby complete digcontrol: ConfigureForSearch completedatapath: Transition to SCANNING on Vx1(ITE0) Event: Source Change Detected on channel mbSend: mbx: 2b610msg: 0004tID: 28798 mbRecv: mbx: 2b610msg: 0004data:0000 Event: DSM Locked on channel mbSend: mbx: 2b610msg: 0003tID: 28798 mbRecv: mbx: 2b610msg: 0003data:0000 digcontrol: FillSourceConfig - srcConfig:TotalArea.PixelsPerLine- 4400,TotalArea.LinesPerFrame- 2250,ActiveArea.FirstPixel- 384,ActiveArea.FirstLine- 82,ActiveArea.PixelsPerLine - 3840,ActiveArea.LinesPerFrame - 2160,PixelClockFreqInkHz- 297000,inputFrameRate- 60,srcColorType- YUV420.srcConfig->IsInterlaced- FALSE, digcontrol: FillSourceConfig complete Is3D = FALSE dispfmt: DEI Disabled, Field Scaling Disabled dispfmt: Input frame rate is 60Hzdispfmt: input resolution: 3840 x 2160 dispfmt_CalculateDisplayArea:X, Y, Width, Height = 0, 0, 3840, 2160 dispfmt: minPan, pan, maxPan:0, 0, 0data = { 3840, 0, 3840 } dispfmt: minScan, scan, maxScan:0, 0, 0data = { 2160, 0, 2160 } dispfmt_CalculateCroppedArea:X, Y, Width, Height = 0, 0, 3840, 2160 dispfmt:apply_disp: activeSource = 0, dispSrc = 0 ******* Try to set Color Profile 0 ******* pictcont: Active Display is 0pictcont: Set White Peaking: 0 pictcont: Set gamma 0 pictcont: Sharpness 0pictcont: cscIndex 0pictcont: tableIndex 4datapath: Transition to MONITORING on Vx1(ITE0)
,
Jeremy_Wu:
srcColorType – YUV420.
电脑应该是RGB的。
核对配置
,
? ?:
应该不是这个问题,EVM上同样的信号,dbmsg显示也是YUV420,是可以正常显示的。
对比过切外部信号的dbmsg,和开发板上打印出来的参数是一样的。还有个关键点,TPG信号也不能正常显示哦,也是黑画面。
,
Jeremy_Wu:
前面说开机画面和SFG都正常的?TPG不能显示,这个比较奇怪。你联系当地工程师看一看。
,
? ?:
dlp的logo画面可以正常显示,换一张色彩复杂的logo图片也是不能正常显示的……
,
Jeremy_Wu:
拍一个异常的照片看看
,
? ?:
现在调试下来,发现eeprom不通,image相关参数get出来全是0.
对比EVM的板子(烧录TI提供的img包),EEPROM也不通,一上电也没有i2c的波形出来。这个需要工程档特殊配置吗?
,
Jeremy_Wu:
这个是配置USB转I2C或SPI接口,以便外围设备PC电脑可以控制DLPC7541,应该和这个问题没有关系。
,
? ?:
EVM上如果我要更新eeprom里面的值,要怎么设定?现在工程文件改参数后,重新烧录,状态值不会保存更新。
,
Jeremy_Wu:
修改上面的EEPROM DATA version版本号
,
? ?:
收到,已解决,谢谢!