cam_hal: psram: reset DMA and yield after NO-EOI to resume capture #783
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This was referenced Aug 4, 2025
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In PSRAM JPEG mode, a truncated frame (missing EOI) could leave GDMA in a bad state and cause subsequent captures to time out. Fix: - On the NO-EOI path, reset the DMA channel (`ll_cam_dma_reset(cam_obj)`). - Yield once (`vTaskDelay(1)`) to let the pipeline restart cleanly. Result: the driver recovers on the next frame instead of timing out, reducing spurious capture failures after truncated JPEGs.
RubenKelevra
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This was a hunch and doesn't work. |
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Description
In PSRAM JPEG mode, a truncated frame (missing EOI) could leave GDMA in
a bad state and cause subsequent captures to time out.
Fix:
ll_cam_dma_reset(cam_obj)).vTaskDelay(1)) to let the pipeline restart cleanly.Result: the driver recovers on the next frame instead of timing out,
reducing spurious capture failures after truncated JPEGs.
Testing
Does fix some crashes, but not everything in
psram_modewith JPEGs.Checklist
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