Add dcd_edpt_iso_alloc() / dcd_edpt_iso_activate() for ISO EP buffer management.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/device/dcd.h b/src/device/dcd.h
index c1780f656..ef92d71d0 100644
--- a/src/device/dcd.h
+++ b/src/device/dcd.h
@@ -167,6 +167,12 @@ 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);
 
+// Allocate packet buffer used by ISO endpoints
+// Some MCU need manual packet buffer allocation, we allocation largest size to avoid clustering
+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
+bool dcd_edpt_iso_activate(uint8_t rhport,  tusb_desc_endpoint_t const * p_endpoint_desc);
 //--------------------------------------------------------------------+
 // Event API (implemented by stack)
 //--------------------------------------------------------------------+