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-rw-r--r--Demos/Device/ClassDriver/DualVirtualSerial/DualVirtualSerial.c8
-rw-r--r--Demos/Device/ClassDriver/VirtualSerial/VirtualSerial.c3
-rw-r--r--Demos/Device/ClassDriver/VirtualSerialMouse/VirtualSerialMouse.c3
3 files changed, 6 insertions, 8 deletions
diff --git a/Demos/Device/ClassDriver/DualVirtualSerial/DualVirtualSerial.c b/Demos/Device/ClassDriver/DualVirtualSerial/DualVirtualSerial.c
index cc8f92ccd..53d7ce9fc 100644
--- a/Demos/Device/ClassDriver/DualVirtualSerial/DualVirtualSerial.c
+++ b/Demos/Device/ClassDriver/DualVirtualSerial/DualVirtualSerial.c
@@ -101,12 +101,12 @@ int main(void)
CheckJoystickMovement();
/* Discard all received data on the first CDC interface */
- while (CDC_Device_BytesReceived(&VirtualSerial1_CDC_Interface))
- CDC_Device_ReceiveByte(&VirtualSerial1_CDC_Interface);
+ CDC_Device_ReceiveByte(&VirtualSerial1_CDC_Interface);
/* Echo all received data on the second CDC interface */
- while (CDC_Device_BytesReceived(&VirtualSerial2_CDC_Interface))
- CDC_Device_SendByte(&VirtualSerial2_CDC_Interface, CDC_Device_ReceiveByte(&VirtualSerial2_CDC_Interface));
+ int16_t ReceivedByte; = CDC_Device_ReceiveByte(&VirtualSerial2_CDC_Interface);
+ if (!(ReceivedByte < 0))
+ CDC_Device_SendByte(&VirtualSerial2_CDC_Interface, (uint8_t)ReceivedByte);
CDC_Device_USBTask(&VirtualSerial1_CDC_Interface);
CDC_Device_USBTask(&VirtualSerial2_CDC_Interface);
diff --git a/Demos/Device/ClassDriver/VirtualSerial/VirtualSerial.c b/Demos/Device/ClassDriver/VirtualSerial/VirtualSerial.c
index d76f8cf95..c87b33ca7 100644
--- a/Demos/Device/ClassDriver/VirtualSerial/VirtualSerial.c
+++ b/Demos/Device/ClassDriver/VirtualSerial/VirtualSerial.c
@@ -83,8 +83,7 @@ int main(void)
CheckJoystickMovement();
/* Must throw away unused bytes from the host, or it will lock up while waiting for the device */
- while (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface))
- CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
+ CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
USB_USBTask();
diff --git a/Demos/Device/ClassDriver/VirtualSerialMouse/VirtualSerialMouse.c b/Demos/Device/ClassDriver/VirtualSerialMouse/VirtualSerialMouse.c
index 8db86b84a..6dfdafba7 100644
--- a/Demos/Device/ClassDriver/VirtualSerialMouse/VirtualSerialMouse.c
+++ b/Demos/Device/ClassDriver/VirtualSerialMouse/VirtualSerialMouse.c
@@ -97,8 +97,7 @@ int main(void)
CheckJoystickMovement();
/* Must throw away unused bytes from the host, or it will lock up while waiting for the device */
- while (CDC_Device_BytesReceived(&VirtualSerial_CDC_Interface))
- CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
+ CDC_Device_ReceiveByte(&VirtualSerial_CDC_Interface);
CDC_Device_USBTask(&VirtualSerial_CDC_Interface);
HID_Device_USBTask(&Mouse_HID_Interface);