diff options
Diffstat (limited to 'Demos/Device/LowLevel/USBtoSerial/Descriptors.h')
-rw-r--r-- | Demos/Device/LowLevel/USBtoSerial/Descriptors.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/Demos/Device/LowLevel/USBtoSerial/Descriptors.h b/Demos/Device/LowLevel/USBtoSerial/Descriptors.h new file mode 100644 index 000000000..41b44300a --- /dev/null +++ b/Demos/Device/LowLevel/USBtoSerial/Descriptors.h @@ -0,0 +1,98 @@ +/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2009.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+ Permission to use, copy, modify, and distribute this software
+ and its documentation for any purpose and without fee is hereby
+ granted, 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
+ software without specific, written prior permission.
+
+ The author disclaim all warranties with regard to this
+ software, including all implied warranties of merchantability
+ and fitness. In no event shall the author be liable for any
+ special, indirect or consequential damages or any damages
+ whatsoever resulting from loss of use, data or profits, whether
+ in an action of contract, negligence or other tortious action,
+ arising out of or in connection with the use or performance of
+ this software.
+*/
+
+/** \file
+ *
+ * Header file for Descriptors.c.
+ */
+
+#ifndef _DESCRIPTORS_H_
+#define _DESCRIPTORS_H_
+
+ /* Includes: */
+ #include <LUFA/Drivers/USB/USB.h>
+
+ #include <avr/pgmspace.h>
+
+ /* Macros: */
+ /** Macro to define a CDC class-specific functional descriptor. CDC functional descriptors have a
+ * uniform structure but variable sized data payloads, thus cannot be represented accurately by
+ * a single typedef struct. A macro is used instead so that functional descriptors can be created
+ * easily by specifying the size of the payload. This allows sizeof() to work correctly.
+ *
+ * \param DataSize Size in bytes of the CDC functional descriptor's data payload
+ */
+ #define CDC_FUNCTIONAL_DESCRIPTOR(DataSize) \
+ struct \
+ { \
+ USB_Descriptor_Header_t Header; \
+ uint8_t SubType; \
+ uint8_t Data[DataSize]; \
+ }
+
+ /** Endpoint number of the CDC device-to-host notification IN endpoint. */
+ #define CDC_NOTIFICATION_EPNUM 2
+
+ /** Endpoint number of the CDC device-to-host data IN endpoint. */
+ #define CDC_TX_EPNUM 3
+
+ /** Endpoint number of the CDC host-to-device data OUT endpoint. */
+ #define CDC_RX_EPNUM 4
+
+ /** Size in bytes of the CDC device-to-host notification IN endpoint. */
+ #define CDC_NOTIFICATION_EPSIZE 8
+
+ /** Size in bytes of the CDC data IN and OUT endpoints. */
+ #define CDC_TXRX_EPSIZE 16
+
+ /* Type Defines: */
+ /** Type define for the device configuration descriptor structure. This must be defined in the
+ * application code, as the configuration descriptor contains several sub-descriptors which
+ * vary between devices, and which describe the device's usage to the host.
+ */
+ typedef struct
+ {
+ USB_Descriptor_Configuration_Header_t Config;
+ USB_Descriptor_Interface_t CCI_Interface;
+ CDC_FUNCTIONAL_DESCRIPTOR(2) CDC_Functional_IntHeader;
+ CDC_FUNCTIONAL_DESCRIPTOR(2) CDC_Functional_CallManagement;
+ CDC_FUNCTIONAL_DESCRIPTOR(1) CDC_Functional_AbstractControlManagement;
+ CDC_FUNCTIONAL_DESCRIPTOR(2) CDC_Functional_Union;
+ USB_Descriptor_Endpoint_t ManagementEndpoint;
+ USB_Descriptor_Interface_t DCI_Interface;
+ USB_Descriptor_Endpoint_t DataOutEndpoint;
+ USB_Descriptor_Endpoint_t DataInEndpoint;
+ } USB_Descriptor_Configuration_t;
+
+ /* Function Prototypes: */
+ uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue, const uint8_t wIndex, void** const DescriptorAddress)
+ ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
+
+#endif
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