diff options
| author | Ha Thach <[email protected]> | 2020-11-24 01:04:44 +0700 |
|---|---|---|
| committer | GitHub <[email protected]> | 2020-11-24 01:04:44 +0700 |
| commit | 2bfcd446a58d987d2275774c985471198cf43328 (patch) | |
| tree | cb6eee5f2dbb43258951f8aee102b93783c91e1b /examples | |
| parent | b870d932e5e1c6ece4227a5d49cc71e53a744149 (diff) | |
| parent | 494e125432ca3eb6faa5de2896cfb8e2e7143ddb (diff) | |
Merge pull request #506 from duempel/cdc_without_dtr
CDC without DTR being set
Diffstat (limited to 'examples')
| -rw-r--r-- | examples/device/cdc_dual_ports/src/main.c | 2 | ||||
| -rw-r--r-- | examples/device/cdc_msc/src/main.c | 8 | ||||
| -rw-r--r-- | examples/device/cdc_msc_freertos/src/main.c | 10 |
3 files changed, 15 insertions, 5 deletions
diff --git a/examples/device/cdc_dual_ports/src/main.c b/examples/device/cdc_dual_ports/src/main.c index d6e38df85..198c4252b 100644 --- a/examples/device/cdc_dual_ports/src/main.c +++ b/examples/device/cdc_dual_ports/src/main.c @@ -83,6 +83,8 @@ static void cdc_task(void) for (itf = 0; itf < CFG_TUD_CDC; itf++) { + // connected() check for DTR bit + // Most but not all terminal client set this when making connection if ( tud_cdc_n_connected(itf) ) { if ( tud_cdc_n_available(itf) ) diff --git a/examples/device/cdc_msc/src/main.c b/examples/device/cdc_msc/src/main.c index a407e2ddd..a20a80fcd 100644 --- a/examples/device/cdc_msc/src/main.c +++ b/examples/device/cdc_msc/src/main.c @@ -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() ) @@ -131,12 +133,14 @@ void cdc_task(void) 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 example\r\n"); + tud_cdc_write_flush(); } } 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(); } } |