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Remove tud_cdc_connected check from examples

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This commit is contained in:
Jan Dümpelmann 2020-09-04 17:25:32 +02:00
parent 9cc22b635c
commit e09ebea7b9
3 changed files with 34 additions and 43 deletions
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3
examples/device/cdc_dual_ports/src/main.c
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@ -82,8 +82,6 @@ static void cdc_task(void)
uint8_t itf; uint8_t itf;
for (itf = 0; itf < CFG_TUD_CDC; itf++) for (itf = 0; itf < CFG_TUD_CDC; itf++)
{
if ( tud_cdc_n_connected(itf) )
{ {
if ( tud_cdc_n_available(itf) ) if ( tud_cdc_n_available(itf) )
{ {
@ -96,5 +94,4 @@ static void cdc_task(void)
echo_serial_port(1, buf, count); echo_serial_port(1, buf, count);
} }
} }
}
} }

9
examples/device/cdc_msc/src/main.c
View File

@ -105,9 +105,7 @@ void tud_resume_cb(void)
//--------------------------------------------------------------------+ //--------------------------------------------------------------------+
void cdc_task(void) void cdc_task(void)
{ {
if ( tud_cdc_connected() ) // is data available to read from rx fifo
{
// connected and there are data available
if ( tud_cdc_available() ) if ( tud_cdc_available() )
{ {
uint8_t buf[64]; uint8_t buf[64];
@ -124,15 +122,14 @@ void cdc_task(void)
tud_cdc_write_flush(); tud_cdc_write_flush();
} }
}
} }
// Invoked when cdc when line state changed e.g connected/disconnected // Invoked when cdc line state changed e.g connected/disconnected
void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
{ {
(void) itf; (void) itf;
// connected // usually terminal software sets DTR and RTS when connected
if ( dtr && rts ) if ( dtr && rts )
{ {
// print initial message when connected // print initial message when connected

9
examples/device/cdc_msc_freertos/src/main.c
View File

@ -168,9 +168,7 @@ void cdc_task(void* params)
// RTOS forever loop // RTOS forever loop
while ( 1 ) while ( 1 )
{ {
if ( tud_cdc_connected() ) // is data available to read from rx fifo
{
// connected and there are data available
if ( tud_cdc_available() ) if ( tud_cdc_available() )
{ {
uint8_t buf[64]; uint8_t buf[64];
@ -187,19 +185,18 @@ void cdc_task(void* params)
tud_cdc_write_flush(); tud_cdc_write_flush();
} }
}
// For ESP32-S2 this delay is essential to allow idle how to run and reset wdt // For ESP32-S2 this delay is essential to allow idle how to run and reset wdt
vTaskDelay(pdMS_TO_TICKS(10)); vTaskDelay(pdMS_TO_TICKS(10));
} }
} }
// Invoked when cdc when line state changed e.g connected/disconnected // Invoked when cdc line state changed e.g connected/disconnected
void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts) void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
{ {
(void) itf; (void) itf;
// connected // usually terminal software sets DTR and RTS when connected
if ( dtr && rts ) if ( dtr && rts )
{ {
// print initial message when connected // print initial message when connected