Check the DTR value when deciding to drop data

stm32duino · Feb 27, 2019 · 5e0da73 · 5e0da73
1 parent 60e4d4a
commit 5e0da73
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Showing 2 changed files with 3 additions and 3 deletions.
diff --git a/cores/arduino/stm32/usb/cdc/usbd_cdc_if.c b/cores/arduino/stm32/usb/cdc/usbd_cdc_if.c
@@ -245,9 +245,9 @@ void CDC_deInit(void)
   }
 }
 
-uint8_t CDC_connected()
+bool CDC_connected()
 {
-  return hUSBD_Device_CDC.dev_state == USBD_STATE_CONFIGURED;
+  return hUSBD_Device_CDC.dev_state == USBD_STATE_CONFIGURED && lineState;
 }
 
 void CDC_continue_transmit(void)

diff --git a/cores/arduino/stm32/usb/cdc/usbd_cdc_if.h b/cores/arduino/stm32/usb/cdc/usbd_cdc_if.h
@@ -50,7 +50,7 @@ void CDC_continue_transmit(void);
 void CDC_resume_receive(void);
 void CDC_init(void);
 void CDC_deInit(void);
-uint8_t CDC_connected();
+bool CDC_connected();
 
 #ifdef __cplusplus
 }