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implement dcd_edpt_iso_alloc/dcd_edpt_iso_activate for musb. video_capture example with iso kind of work but not smoothly. audio example does not seems to work as expected

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hathach
2024-08-19 11:59:41 +07:00
parent e345380723
commit 8fdd8d9a7b
7 changed files with 147 additions and 289 deletions
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15
src/device/dcd.h
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@@ -157,10 +157,6 @@ bool dcd_edpt_open (uint8_t rhport, tusb_desc_endpoint_t const * desc
// required for multiple configuration support.
void dcd_edpt_close_all (uint8_t rhport);
// Close an endpoint.
// Since it is weak, caller must TU_ASSERT this function's existence before calling it.
void dcd_edpt_close (uint8_t rhport, uint8_t ep_addr) TU_ATTR_WEAK;
// Submit a transfer, When complete dcd_event_xfer_complete() is invoked to notify the stack
bool dcd_edpt_xfer (uint8_t rhport, uint8_t ep_addr, uint8_t * buffer, uint16_t total_bytes);
@@ -175,12 +171,19 @@ void dcd_edpt_stall (uint8_t rhport, uint8_t ep_addr);
// This API never calls with control endpoints, since it is auto cleared when receiving setup packet
void dcd_edpt_clear_stall (uint8_t rhport, uint8_t ep_addr);
#ifdef TUP_DCD_EDPT_ISO_ALLOC
// Allocate packet buffer used by ISO endpoints
// Some MCU need manual packet buffer allocation, we allocate the largest size to avoid clustering
TU_ATTR_WEAK bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size);
bool dcd_edpt_iso_alloc(uint8_t rhport, uint8_t ep_addr, uint16_t largest_packet_size);
// Configure and enable an ISO endpoint according to descriptor
TU_ATTR_WEAK bool dcd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const * desc_ep);
bool dcd_edpt_iso_activate(uint8_t rhport, tusb_desc_endpoint_t const * desc_ep);
#else
// Close an endpoint.
void dcd_edpt_close (uint8_t rhport, uint8_t ep_addr);
#endif
//--------------------------------------------------------------------+
// Event API (implemented by stack)