\r
#include "CDC.h"\r
\r
-/* Project Tags, for reading out using the ButtLoad project */\r
-BUTTLOADTAG(ProjName, "LUFA CDC App");\r
-BUTTLOADTAG(BuildTime, __TIME__);\r
-BUTTLOADTAG(BuildDate, __DATE__);\r
-BUTTLOADTAG(LUFAVersion, "LUFA V" LUFA_VERSION_STRING);\r
-\r
/* Scheduler Task List */\r
TASK_LIST\r
{\r
- { Task: USB_USBTask , TaskStatus: TASK_STOP },\r
- { Task: CDC_Task , TaskStatus: TASK_STOP },\r
+ { .Task = USB_USBTask , .TaskStatus = TASK_STOP },\r
+ { .Task = CDC_Task , .TaskStatus = TASK_STOP },\r
};\r
\r
/* Globals: */\r
* It is possible to completely ignore these value or use other settings as the host is completely unaware of the physical\r
* serial link characteristics and instead sends and receives data in endpoint streams.\r
*/\r
-CDC_Line_Coding_t LineCoding = { BaudRateBPS: 9600,\r
- CharFormat: OneStopBit,\r
- ParityType: Parity_None,\r
- DataBits: 8 };\r
+CDC_Line_Coding_t LineCoding = { .BaudRateBPS = 9600,\r
+ .CharFormat = OneStopBit,\r
+ .ParityType = Parity_None,\r
+ .DataBits = 8 };\r
\r
/** String to print through the virtual serial port when the joystick is pressed upwards. */\r
char JoystickUpString[] = "Joystick Up\r\n";\r
/** Event handler for the USB_Connect event. This indicates that the device is enumerating via the status LEDs and\r
* starts the library USB task to begin the enumeration and USB management process.\r
*/\r
-EVENT_HANDLER(USB_Connect)\r
+void EVENT_USB_Connect(void)\r
{\r
/* Start USB management task */\r
Scheduler_SetTaskMode(USB_USBTask, TASK_RUN);\r
/** Event handler for the USB_Disconnect event. This indicates that the device is no longer connected to a host via\r
* the status LEDs and stops the USB management and CDC management tasks.\r
*/\r
-EVENT_HANDLER(USB_Disconnect)\r
+void EVENT_USB_Disconnect(void)\r
{\r
/* Stop running CDC and USB management tasks */\r
Scheduler_SetTaskMode(CDC_Task, TASK_STOP);\r
/** Event handler for the USB_ConfigurationChanged event. This is fired when the host set the current configuration\r
* of the USB device after enumeration - the device endpoints are configured and the CDC management task started.\r
*/\r
-EVENT_HANDLER(USB_ConfigurationChanged)\r
+void EVENT_USB_ConfigurationChanged(void)\r
{\r
/* Setup CDC Notification, Rx and Tx Endpoints */\r
Endpoint_ConfigureEndpoint(CDC_NOTIFICATION_EPNUM, EP_TYPE_INTERRUPT,\r
* control requests that are not handled internally by the USB library (including the CDC control commands,\r
* which are all issued via the control endpoint), so that they can be handled appropriately for the application.\r
*/\r
-EVENT_HANDLER(USB_UnhandledControlPacket)\r
+void EVENT_USB_UnhandledControlPacket(void)\r
{\r
uint8_t* LineCodingData = (uint8_t*)&LineCoding;\r
\r
/* Process CDC specific control requests */\r
- switch (bRequest)\r
+ switch (USB_ControlRequest.bRequest)\r
{\r
case REQ_GetLineEncoding:\r
- if (bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
+ if (USB_ControlRequest.bmRequestType == (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE))\r
{ \r
/* Acknowledge the SETUP packet, ready for data transfer */\r
- Endpoint_ClearSetupReceived();\r
+ Endpoint_ClearSETUP();\r
\r
/* Write the line coding data to the control endpoint */\r
Endpoint_Write_Control_Stream_LE(LineCodingData, sizeof(CDC_Line_Coding_t));\r
\r
/* Finalize the stream transfer to send the last packet or clear the host abort */\r
- Endpoint_ClearSetupOUT();\r
+ Endpoint_ClearOUT();\r
}\r
\r
break;\r
case REQ_SetLineEncoding:\r
- if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
{\r
/* Acknowledge the SETUP packet, ready for data transfer */\r
- Endpoint_ClearSetupReceived();\r
+ Endpoint_ClearSETUP();\r
\r
/* Read the line coding data in from the host into the global struct */\r
Endpoint_Read_Control_Stream_LE(LineCodingData, sizeof(CDC_Line_Coding_t));\r
\r
/* Finalize the stream transfer to clear the last packet from the host */\r
- Endpoint_ClearSetupIN();\r
+ Endpoint_ClearIN();\r
}\r
\r
break;\r
case REQ_SetControlLineState:\r
- if (bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
+ if (USB_ControlRequest.bmRequestType == (REQDIR_HOSTTODEVICE | REQTYPE_CLASS | REQREC_INTERFACE))\r
{\r
-#if 0\r
+ /* Acknowledge the SETUP packet, ready for data transfer */\r
+ Endpoint_ClearSETUP();\r
+ \r
/* NOTE: Here you can read in the line state mask from the host, to get the current state of the output handshake\r
- lines. The mask is read in from the wValue parameter, and can be masked against the CONTROL_LINE_OUT_* masks\r
- to determine the RTS and DTR line states using the following code:\r
+ lines. The mask is read in from the wValue parameter in USB_ControlRequest, and can be masked against the\r
+ CONTROL_LINE_OUT_* masks to determine the RTS and DTR line states using the following code:\r
*/\r
-\r
- uint16_t wIndex = Endpoint_Read_Word_LE();\r
- \r
- // Do something with the given line states in wIndex\r
-#endif\r
- \r
- /* Acknowledge the SETUP packet, ready for data transfer */\r
- Endpoint_ClearSetupReceived();\r
\r
/* Acknowledge status stage */\r
- while (!(Endpoint_IsSetupINReady()));\r
- Endpoint_ClearSetupIN();\r
+ while (!(Endpoint_IsINReady()));\r
+ Endpoint_ClearIN();\r
}\r
\r
break;\r
*/\r
USB_Notification_Header_t Notification = (USB_Notification_Header_t)\r
{\r
- NotificationType: (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),\r
- Notification: NOTIF_SerialState,\r
- wValue: 0,\r
- wIndex: 0,\r
- wLength: sizeof(uint16_t),\r
+ .NotificationType = (REQDIR_DEVICETOHOST | REQTYPE_CLASS | REQREC_INTERFACE),\r
+ .Notification = NOTIF_SerialState,\r
+ .wValue = 0,\r
+ .wIndex = 0,\r
+ .wLength = sizeof(uint16_t),\r
};\r
\r
uint16_t LineStateMask;\r
Endpoint_SelectEndpoint(CDC_NOTIFICATION_EPNUM);\r
Endpoint_Write_Stream_LE(&Notification, sizeof(Notification));\r
Endpoint_Write_Stream_LE(&LineStateMask, sizeof(LineStateMask));\r
- Endpoint_ClearCurrentBank();\r
+ Endpoint_ClearIN();\r
#endif\r
\r
/* Determine if a joystick action has occurred */\r
/* Write the String to the Endpoint */\r
Endpoint_Write_Stream_LE(ReportString, strlen(ReportString));\r
\r
+ /* Remember if the packet to send completely fills the endpoint */\r
+ bool IsFull = (Endpoint_BytesInEndpoint() == CDC_TXRX_EPSIZE);\r
+\r
/* Finalize the stream transfer to send the last packet */\r
- Endpoint_ClearCurrentBank();\r
+ Endpoint_ClearIN();\r
\r
- /* Wait until the endpoint is ready for another packet */\r
- while (!(Endpoint_ReadWriteAllowed()));\r
- \r
- /* Send an empty packet to ensure that the host does not buffer data sent to it */\r
- Endpoint_ClearCurrentBank();\r
+ /* If the last packet filled the endpoint, send an empty packet to release the buffer on \r
+ * the receiver (otherwise all data will be cached until a non-full packet is received) */\r
+ if (IsFull)\r
+ {\r
+ /* Wait until the endpoint is ready for another packet */\r
+ while (!(Endpoint_IsINReady()));\r
+ \r
+ /* Send an empty packet to ensure that the host does not buffer data sent to it */\r
+ Endpoint_ClearIN();\r
+ }\r
}\r
\r
/* Select the Serial Rx Endpoint */\r
Endpoint_SelectEndpoint(CDC_RX_EPNUM);\r
\r
/* Throw away any received data from the host */\r
- if (Endpoint_ReadWriteAllowed())\r
- Endpoint_ClearCurrentBank();\r
+ if (Endpoint_IsOUTReceived())\r
+ Endpoint_ClearOUT();\r
}\r