/*
LUFA Library
Copyright (C) Dean Camera, 2010.
-
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ Permission to use, copy, modify, distribute, and sell this
software and its documentation for any purpose is hereby granted
- without fee, provided that the above copyright notice appear in
+ without fee, provided that the above copyright notice appear in
all copies and that both that the copyright notice and this
- permission notice and warranty disclaimer appear in supporting
- documentation, and that the name of the author not be used in
- advertising or publicity pertaining to distribution of the
+ permission notice and warranty disclaimer appear in supporting
+ documentation, and that the name of the author not be used in
+ advertising or publicity pertaining to distribution of the
software without specific, written prior permission.
The author disclaim all warranties with regard to this
LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
sei();
-
+
for (;;)
{
Ethernet_Task();
*/
void EVENT_USB_Device_ConfigurationChanged(void)
{
- /* Indicate USB connected and ready */
- LEDs_SetAllLEDs(LEDMASK_USB_READY);
-
- /* Setup CDC Notification, Rx and Tx Endpoints */
- if (!(Endpoint_ConfigureEndpoint(CDC_TX_EPNUM, EP_TYPE_BULK,
- ENDPOINT_DIR_IN, CDC_TXRX_EPSIZE,
- ENDPOINT_BANK_SINGLE)))
- {
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- }
-
- if (!(Endpoint_ConfigureEndpoint(CDC_RX_EPNUM, EP_TYPE_BULK,
- ENDPOINT_DIR_OUT, CDC_TXRX_EPSIZE,
- ENDPOINT_BANK_SINGLE)))
- {
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- }
-
- if (!(Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT,
- ENDPOINT_DIR_IN, CDC_NOTIFICATION_EPSIZE,
- ENDPOINT_BANK_SINGLE)))
- {
- LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
- }
+ bool ConfigSuccess = true;
+
+ /* Setup RNDIS Data Endpoints */
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_TX_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_IN,
+ CDC_TXRX_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_RX_EPNUM, EP_TYPE_BULK, ENDPOINT_DIR_OUT,
+ CDC_TXRX_EPSIZE, ENDPOINT_BANK_SINGLE);
+ ConfigSuccess &= Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT, ENDPOINT_DIR_IN,
+ CDC_NOTIFICATION_EPSIZE, ENDPOINT_BANK_SINGLE);
+
+ /* Indicate endpoint configuration success or failure */
+ LEDs_SetAllLEDs(ConfigSuccess ? LEDMASK_USB_READY : LEDMASK_USB_ERROR);
}
-/** Event handler for the USB_UnhandledControlRequest event. This is used to catch standard and class specific
- * control requests that are not handled internally by the USB library (including the RNDIS control commands,
- * which set up the USB RNDIS network adapter), so that they can be handled appropriately for the application.
+/** Event handler for the USB_ControlRequest event. This is used to catch and process control requests sent to
+ * the device from the USB host before passing along unhandled control requests to the library for processing
+ * internally.
*/
-void EVENT_USB_Device_UnhandledControlRequest(void)
+void EVENT_USB_Device_ControlRequest(void)
{
/* Process RNDIS class commands */
switch (USB_ControlRequest.bRequest)
{
- case REQ_SendEncapsulatedCommand:
+ case RNDIS_REQ_SendEncapsulatedCommand:
if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))
{
- /* Clear the SETUP packet, ready for data transfer */
Endpoint_ClearSETUP();
-
+
/* Read in the RNDIS message into the message buffer */
Endpoint_Read_Control_Stream_LE(RNDISMessageBuffer, USB_ControlRequest.wLength);
-
- /* Finalize the stream transfer to clear the last packet from the host */
Endpoint_ClearIN();
/* Process the RNDIS message */
ProcessRNDISControlMessage();
}
-
+
break;
- case REQ_GetEncapsulatedResponse:
+ case RNDIS_REQ_GetEncapsulatedResponse:
if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))
{
- /* Clear the SETUP packet, ready for data transfer */
- Endpoint_ClearSETUP();
-
/* Check if a response to the last message is ready */
if (!(MessageHeader->MessageLength))
{
MessageHeader->MessageLength = 1;
}
+ Endpoint_ClearSETUP();
+
/* Write the message response data to the endpoint */
Endpoint_Write_Control_Stream_LE(RNDISMessageBuffer, MessageHeader->MessageLength);
-
- /* Finalize the stream transfer to send the last packet or clear the host abort */
Endpoint_ClearOUT();
/* Reset the message header once again after transmission */
MessageHeader->MessageLength = 0;
}
-
+
break;
}
}
/* Check if a message response is ready for the host */
if (Endpoint_IsINReady() && ResponseReady)
{
- USB_Notification_t Notification = (USB_Notification_t)
+ USB_Request_Header_t Notification = (USB_Request_Header_t)
{
.bmRequestType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),
- .bNotification = NOTIF_RESPONSE_AVAILABLE,
+ .bRequest = RNDIS_NOTIF_ResponseAvailable,
.wValue = 0,
.wIndex = 0,
.wLength = 0,
};
-
+
/* Indicate that a message response is ready for the host */
Endpoint_Write_Stream_LE(&Notification, sizeof(Notification));
/* Indicate a response is no longer ready */
ResponseReady = false;
}
-
+
/* Don't process the data endpoints until the system is in the data initialized state, and the buffer is free */
if ((CurrRNDISState == RNDIS_Data_Initialized) && !(MessageHeader->MessageLength))
{
/* Select the data OUT endpoint */
Endpoint_SelectEndpoint(CDC_RX_EPNUM);
-
+
/* Check if the data OUT endpoint contains data, and that the IN buffer is empty */
if (Endpoint_IsOUTReceived() && !(FrameIN.FrameInBuffer))
{
Endpoint_StallTransaction();
return;
}
-
+
/* Read in the Ethernet frame into the buffer */
Endpoint_Read_Stream_LE(FrameIN.FrameData, RNDISPacketHeader.DataLength);
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearOUT();
-
+
/* Store the size of the Ethernet frame */
FrameIN.FrameLength = RNDISPacketHeader.DataLength;
/* Indicate Ethernet IN buffer full */
FrameIN.FrameInBuffer = true;
}
-
+
/* Select the data IN endpoint */
Endpoint_SelectEndpoint(CDC_TX_EPNUM);
-
+
/* Check if the data IN endpoint is ready for more data, and that the IN buffer is full */
if (Endpoint_IsINReady() && FrameOUT.FrameInBuffer)
{
/* Send the Ethernet frame data to the host */
Endpoint_Write_Stream_LE(FrameOUT.FrameData, RNDISPacketHeader.DataLength);
-
+
/* Finalize the stream transfer to send the last packet */
Endpoint_ClearIN();
-
+
/* Indicate Ethernet OUT buffer no longer full */
FrameOUT.FrameInBuffer = false;
}
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
}
+
projects / pub / USBasp.git / blobdiff