comment out and add note for tud_cdc_connected() in cdc_msc examples

This commit is contained in:
hathach
2020-11-24 00:06:59 +07:00
parent 4b4f880785
commit 7860469661
3 changed files with 12 additions and 5 deletions

View File

@@ -105,7 +105,9 @@ void tud_resume_cb(void)
//--------------------------------------------------------------------+
void cdc_task(void)
{
if ( tud_cdc_connected() )
// connected() check for DTR bit
// Most but not all terminal client set this when making connection
// if ( tud_cdc_connected() )
{
// connected and there are data available
if ( tud_cdc_available() )
@@ -133,7 +135,7 @@ void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
(void) itf;
// connected
if ( dtr && rts )
if ( dtr )
{
// print initial message when connected
tud_cdc_write_str("\r\nTinyUSB CDC MSC device example\r\n");