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TEST: Porting to STM32F779 #12
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just as info... Never receive a greater pck! |
Hi. |
Hi,
About mjpeg I nead to understand how M7 could be slower than Cortex M4 ??? (to be honest I also need to investigate on external ram timing). But what it's really strange is the 5fps on uncompress video. Many thanks for your help |
"The Logitech camera shoud be the same... so your pck size was 192Byte or 1024 Byte???" |
192bThis reduce a lot the frame rate(max 5fps with uncompress video). I can't understand the reason, but it is.Thanks AndreaIl 16 feb 2023 08:58, iliasam ***@***.***> ha scritto:
"The Logitech camera shoud be the same... so your pck size was 192Byte or 1024 Byte???"
Sorry, I can't remember that.
—Reply to this email directly, view it on GitHub, or unsubscribe.You are receiving this because you authored the thread.Message ID: ***@***.***>
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Hi iliasam,
just now thanks for your project...
during my porting I meet some diffilculty, but still now I can't understard what is exactly the problem... maybe you can easly found the mistake.
##My Configuration:##
HW:
SW:
##Project changes##
(hhcd->hc[ch_num].ep_type == EP_TYPE_ISOC))
fix already present in the HAL version!##ISSUES:##
usbh_video.c
=if ((ep_size > ep_size_in) && (ep_size < UVC_RX_FIFO_SIZE_LIMIT))
->if ((ep_size > ep_size_in) && (ep_size <= UVC_RX_FIFO_SIZE_LIMIT))
: "ep_size" for my CAM is always 1024!!!(Have_ you ever notice this _problem???)
uvc_prev_packet_eof
never goes to 1: conditionif (tmp_packet_framebuffer[UVC_HEADER_BIT_FIELD_POS] & UVC_HEADER_EOF_BIT)
never happend.Many thanks again for your project.
Andrea
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