From ec079c71d89913dd4823fe7ecf22d0d3f42b1e6d Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Thu, 30 Jul 2009 14:12:00 +0000 Subject: [PATCH] Minor cleanups to DualCDC ClassDriver device demo for clarity. --- Demos/Device/ClassDriver/CDC/CDC.c | 1 + Demos/Device/ClassDriver/DualCDC/DualCDC.c | 6 ++---- 2 files changed, 3 insertions(+), 4 deletions(-) diff --git a/Demos/Device/ClassDriver/CDC/CDC.c b/Demos/Device/ClassDriver/CDC/CDC.c index 836a6e098f..1bcb4640a7 100644 --- a/Demos/Device/ClassDriver/CDC/CDC.c +++ b/Demos/Device/ClassDriver/CDC/CDC.c @@ -92,6 +92,7 @@ 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); diff --git a/Demos/Device/ClassDriver/DualCDC/DualCDC.c b/Demos/Device/ClassDriver/DualCDC/DualCDC.c index 0de83e1d9f..9e3217cf76 100644 --- a/Demos/Device/ClassDriver/DualCDC/DualCDC.c +++ b/Demos/Device/ClassDriver/DualCDC/DualCDC.c @@ -99,13 +99,11 @@ int main(void) CheckJoystickMovement(); /* Discard all received data on the first CDC interface */ - uint16_t BytesToDiscard = CDC_Device_BytesReceived(&VirtualSerial1_CDC_Interface); - while (BytesToDiscard--) + while (CDC_Device_BytesReceived(&VirtualSerial1_CDC_Interface)) CDC_Device_ReceiveByte(&VirtualSerial1_CDC_Interface); /* Echo all received data on the second CDC interface */ - uint16_t BytesToEcho = CDC_Device_BytesReceived(&VirtualSerial2_CDC_Interface); - while (BytesToEcho--) + while (CDC_Device_BytesReceived(&VirtualSerial2_CDC_Interface)) CDC_Device_SendByte(&VirtualSerial2_CDC_Interface, CDC_Device_ReceiveByte(&VirtualSerial2_CDC_Interface)); CDC_Device_USBTask(&VirtualSerial1_CDC_Interface);