migrate cdc device to use edpt stream API

tu_edpt_stream_open() does not clear fifo, allow for persistent stream when disconnect/reconnect

1 files changed, 5 insertions, 2 deletions

diff --git a/src/common/tusb_private.h b/src/common/tusb_private.h
index 367209e57..f82f87b6f 100644
--- a/src/common/tusb_private.h
+++ b/src/common/tusb_private.h
@@ -100,7 +100,6 @@ bool tu_edpt_stream_deinit(tu_edpt_stream_t* s);
 
 // Open an stream for an endpoint
 TU_ATTR_ALWAYS_INLINE static inline void tu_edpt_stream_open(tu_edpt_stream_t* s, tusb_desc_endpoint_t const *desc_ep) {
-  tu_fifo_clear(&s->ff);
   s->ep_addr = desc_ep->bEndpointAddress;
   s->is_mps512 = tu_edpt_packet_size(desc_ep) == 512;
 }
@@ -113,11 +112,15 @@ TU_ATTR_ALWAYS_INLINE static inline void tu_edpt_stream_close(tu_edpt_stream_t*
   s->ep_addr = 0;
 }
 
-// Clear fifo
 TU_ATTR_ALWAYS_INLINE static inline bool tu_edpt_stream_clear(tu_edpt_stream_t* s) {
   return tu_fifo_clear(&s->ff);
 }
 
+TU_ATTR_ALWAYS_INLINE static inline bool tu_edpt_stream_empty(tu_edpt_stream_t *s) {
+  return tu_fifo_empty(&s->ff);
+}
+
+
 //--------------------------------------------------------------------+
 // Stream Write
 //--------------------------------------------------------------------+