X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/071e02c6b6b4837fa9cf0b6d4c749994e02638d7..ec537fd84d6ad3fd0dfa1b55efa2c2d554c1db48:/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c diff --git a/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c b/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c index d11829dd6..a1e55cbf5 100644 --- a/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c +++ b/Demos/Device/LowLevel/RNDISEthernet/RNDISEthernet.c @@ -1,21 +1,21 @@ /* 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 @@ -49,7 +49,7 @@ int main(void) LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); sei(); - + for (;;) { Ethernet_Task(); @@ -98,64 +98,46 @@ void EVENT_USB_Device_Disconnect(void) */ 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)) { @@ -164,16 +146,16 @@ void EVENT_USB_Device_UnhandledControlRequest(void) 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; } } @@ -190,15 +172,15 @@ void RNDIS_Task(void) /* 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)); @@ -208,7 +190,7 @@ void RNDIS_Task(void) /* 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)) { @@ -217,7 +199,7 @@ void RNDIS_Task(void) /* 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)) { @@ -230,23 +212,23 @@ void RNDIS_Task(void) 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) { @@ -264,10 +246,10 @@ void RNDIS_Task(void) /* 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; } @@ -300,3 +282,4 @@ void Ethernet_Task(void) LEDs_SetAllLEDs(LEDMASK_USB_READY); } } +