add tud_ready() check in tud_cdc_n_write_flush()

other clean up

1 files changed, 0 insertions, 10 deletions

diff --git a/examples/device/cdc_msc/src/main.c b/examples/device/cdc_msc/src/main.c
index e4477927f..cf2bfd7c9 100644
--- a/examples/device/cdc_msc/src/main.c
+++ b/examples/device/cdc_msc/src/main.c
@@ -145,16 +145,6 @@ void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
 void tud_cdc_rx_cb(uint8_t itf)
 {
   (void) itf;
-  uint8_t const line_state = tud_cdc_get_line_state();
-
-  // Provide information that terminal did not set DTR bit
-  if( !(line_state & 0x01) )
-  {
-    tud_cdc_write_str("\r\nTinyUSB example: Your terminal did not set DTR bit\r\n");
-    tud_cdc_write_flush();
-    // Clear rx fifo since we do not read the data
-    tud_cdc_read_flush();
-  }
 }
 
 //--------------------------------------------------------------------+