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authorhathach <[email protected]>2020-11-24 00:06:59 +0700
committerhathach <[email protected]>2020-11-24 00:06:59 +0700
commit7860469661711bc9f73b2ae84529511693245d7b (patch)
tree45118dffea3b62b1a5a3ebc6588306450560f967 /examples
parent4b4f88078503648b38444feee1fda322b65baa43 (diff)
comment out and add note for tud_cdc_connected() in cdc_msc examples
Diffstat (limited to 'examples')
-rw-r--r--examples/device/cdc_dual_ports/src/main.c2
-rw-r--r--examples/device/cdc_msc/src/main.c6
-rw-r--r--examples/device/cdc_msc_freertos/src/main.c9
3 files changed, 12 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 cf2bfd7c9..6b13ba5a4 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() )
@@ -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");
diff --git a/examples/device/cdc_msc_freertos/src/main.c b/examples/device/cdc_msc_freertos/src/main.c
index 1371b84c3..3d2e6dc49 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];
@@ -200,10 +202,11 @@ 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 with FreeRTOS example\r\n");
+ tud_cdc_write_flush();
}
}