add tusbd_cdc_is_busy

enhance cdc serial device demo
refractor fifo.c

1 files changed, 2 insertions, 0 deletions

diff --git a/tinyusb/class/cdc_device.h b/tinyusb/class/cdc_device.h
index a0e8d5bde..e1f298b76 100644
--- a/tinyusb/class/cdc_device.h
+++ b/tinyusb/class/cdc_device.h
@@ -58,6 +58,7 @@
 // APPLICATION API

 //--------------------------------------------------------------------+

 bool tusbd_cdc_is_configured(uint8_t coreid);

+bool tusbd_cdc_is_busy(uint8_t coreid, cdc_pipeid_t pipeid)  ATTR_PURE ATTR_WARN_UNUSED_RESULT;

 

 tusb_error_t tusbd_cdc_send(uint8_t coreid, void * p_data, uint32_t length, bool is_notify);

 tusb_error_t tusbd_cdc_receive(uint8_t coreid, void * p_buffer, uint32_t length, bool is_notify);

@@ -66,6 +67,7 @@ tusb_error_t tusbd_cdc_receive(uint8_t coreid, void * p_buffer, uint32_t length,
 void tusbd_cdc_mounted_cb(uint8_t coreid);

 void tusbd_cdc_unmounted_cb(uint8_t coreid);

 void tusbd_cdc_xfer_isr(uint8_t coreid, tusb_event_t event, cdc_pipeid_t pipe_id, uint32_t xferred_bytes);

+void tusbd_cdc_line_coding_changed_cb(uint8_t coreid, cdc_line_coding_t* p_line_coding);

 

 //--------------------------------------------------------------------+

 // USBD-CLASS DRIVER API