diff options
Diffstat (limited to 'examples/device/cdc_msc_freertos/src/main.c')
| -rw-r--r-- | examples/device/cdc_msc_freertos/src/main.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/examples/device/cdc_msc_freertos/src/main.c b/examples/device/cdc_msc_freertos/src/main.c index 1371b84c3..e90c3f0d9 100644 --- a/examples/device/cdc_msc_freertos/src/main.c +++ b/examples/device/cdc_msc_freertos/src/main.c @@ -168,9 +168,11 @@ void cdc_task(void* params) // RTOS forever loop while ( 1 ) { - 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 + // There are data available if ( tud_cdc_available() ) { uint8_t buf[64]; @@ -198,12 +200,14 @@ void cdc_task(void* params) void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) { (void) itf; + (void) rts; // connected - if ( dtr && rts ) + if ( dtr ) { // print initial message when connected tud_cdc_write_str("\r\nTinyUSB CDC MSC device with FreeRTOS example\r\n"); + tud_cdc_write_flush(); } } |