2013-01-27 06:47:52 +00:00
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#include "usb_desc.h"
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// USB Descriptors are binary data which the USB host reads to
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// automatically detect a USB device's capabilities. The format
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// and meaning of every field is documented in numerous USB
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// standards. When working with USB descriptors, despite the
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// complexity of the standards and poor writing quality in many
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// of those documents, remember descriptors are nothing more
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// than constant binary data that tells the USB host what the
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// device can do. Computers will load drivers based on this data.
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// Those drivers then communicate on the endpoints specified by
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// the descriptors.
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// To configure a new combination of interfaces or make minor
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// changes to existing configuration (eg, change the name or ID
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// numbers), usually you would edit "usb_desc.h". This file
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// is meant to be configured by the header, so generally it is
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// only edited to add completely new USB interfaces or features.
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// **************************************************************
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// USB Device
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// **************************************************************
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#define LSB(n) ((n) & 255)
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#define MSB(n) (((n) >> 8) & 255)
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// USB Device Descriptor. The USB host reads this first, to learn
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// what type of device is connected.
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static uint8_t device_descriptor[] = {
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18, // bLength
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1, // bDescriptorType
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0x00, 0x02, // bcdUSB
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#ifdef DEVICE_CLASS
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DEVICE_CLASS, // bDeviceClass
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#else
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0,
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#endif
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#ifdef DEVICE_SUBCLASS
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DEVICE_SUBCLASS, // bDeviceSubClass
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#else
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0,
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#endif
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#ifdef DEVICE_PROTOCOL
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DEVICE_PROTOCOL, // bDeviceProtocol
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#else
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0,
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#endif
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EP0_SIZE, // bMaxPacketSize0
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LSB(VENDOR_ID), MSB(VENDOR_ID), // idVendor
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LSB(PRODUCT_ID), MSB(PRODUCT_ID), // idProduct
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0x00, 0x01, // bcdDevice
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1, // iManufacturer
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2, // iProduct
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3, // iSerialNumber
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1 // bNumConfigurations
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};
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// These descriptors must NOT be "const", because the USB DMA
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// has trouble accessing flash memory with enough bandwidth
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// while the processor is executing from flash.
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// **************************************************************
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// HID Report Descriptors
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// **************************************************************
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// Each HID interface needs a special report descriptor that tells
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// the meaning and format of the data.
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#ifdef KEYBOARD_INTERFACE
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// Keyboard Protocol 1, HID 1.11 spec, Appendix B, page 59-60
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static uint8_t keyboard_report_desc[] = {
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0x05, 0x01, // Usage Page (Generic Desktop),
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0x09, 0x06, // Usage (Keyboard),
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0xA1, 0x01, // Collection (Application),
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0x75, 0x01, // Report Size (1),
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0x95, 0x08, // Report Count (8),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0xE0, // Usage Minimum (224),
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0x29, 0xE7, // Usage Maximum (231),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0x01, // Logical Maximum (1),
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0x81, 0x02, // Input (Data, Variable, Absolute), ;Modifier byte
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0x95, 0x08, // Report Count (8),
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0x75, 0x01, // Report Size (1),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0x01, // Logical Maximum (1),
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0x05, 0x0C, // Usage Page (Consumer),
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0x09, 0xE9, // Usage (Volume Increment),
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0x09, 0xEA, // Usage (Volume Decrement),
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0x09, 0xE2, // Usage (Mute),
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0x09, 0xCD, // Usage (Play/Pause),
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0x09, 0xB5, // Usage (Scan Next Track),
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0x09, 0xB6, // Usage (Scan Previous Track),
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0x09, 0xB7, // Usage (Stop),
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0x09, 0xB8, // Usage (Eject),
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0x81, 0x02, // Input (Data, Variable, Absolute), ;Media keys
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0x95, 0x05, // Report Count (5),
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0x75, 0x01, // Report Size (1),
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0x05, 0x08, // Usage Page (LEDs),
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0x19, 0x01, // Usage Minimum (1),
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0x29, 0x05, // Usage Maximum (5),
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0x91, 0x02, // Output (Data, Variable, Absolute), ;LED report
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0x95, 0x01, // Report Count (1),
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0x75, 0x03, // Report Size (3),
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0x91, 0x03, // Output (Constant), ;LED report padding
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0x95, 0x06, // Report Count (6),
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0x75, 0x08, // Report Size (8),
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0x15, 0x00, // Logical Minimum (0),
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0x25, 0x7F, // Logical Maximum(104),
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0x05, 0x07, // Usage Page (Key Codes),
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0x19, 0x00, // Usage Minimum (0),
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0x29, 0x7F, // Usage Maximum (104),
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0x81, 0x00, // Input (Data, Array), ;Normal keys
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0xc0 // End Collection
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};
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#endif
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#ifdef MOUSE_INTERFACE
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// Mouse Protocol 1, HID 1.11 spec, Appendix B, page 59-60, with wheel extension
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static uint8_t mouse_report_desc[] = {
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0x05, 0x01, // Usage Page (Generic Desktop)
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0x09, 0x02, // Usage (Mouse)
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0xA1, 0x01, // Collection (Application)
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0x05, 0x09, // Usage Page (Button)
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0x19, 0x01, // Usage Minimum (Button #1)
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0x29, 0x03, // Usage Maximum (Button #3)
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0x15, 0x00, // Logical Minimum (0)
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0x25, 0x01, // Logical Maximum (1)
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0x95, 0x03, // Report Count (3)
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0x75, 0x01, // Report Size (1)
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0x81, 0x02, // Input (Data, Variable, Absolute)
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0x95, 0x01, // Report Count (1)
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0x75, 0x05, // Report Size (5)
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0x81, 0x03, // Input (Constant)
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0x05, 0x01, // Usage Page (Generic Desktop)
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0x09, 0x30, // Usage (X)
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0x09, 0x31, // Usage (Y)
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0x15, 0x81, // Logical Minimum (-127)
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0x25, 0x7F, // Logical Maximum (127)
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0x75, 0x08, // Report Size (8),
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0x95, 0x02, // Report Count (2),
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0x81, 0x06, // Input (Data, Variable, Relative)
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0x09, 0x38, // Usage (Wheel)
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0x95, 0x01, // Report Count (1),
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0x81, 0x06, // Input (Data, Variable, Relative)
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0xC0 // End Collection
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};
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#endif
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// **************************************************************
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// USB Configuration
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// **************************************************************
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// USB Configuration Descriptor. This huge descriptor tells all
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// of the devices capbilities.
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static uint8_t config_descriptor[CONFIG_DESC_SIZE] = {
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// configuration descriptor, USB spec 9.6.3, page 264-266, Table 9-10
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9, // bLength;
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2, // bDescriptorType;
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LSB(CONFIG_DESC_SIZE), // wTotalLength
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MSB(CONFIG_DESC_SIZE),
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NUM_INTERFACE, // bNumInterfaces
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1, // bConfigurationValue
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0, // iConfiguration
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0xC0, // bmAttributes
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50, // bMaxPower
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#ifdef CDC_IAD_DESCRIPTOR
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// interface association descriptor, USB ECN, Table 9-Z
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8, // bLength
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11, // bDescriptorType
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CDC_STATUS_INTERFACE, // bFirstInterface
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2, // bInterfaceCount
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0x02, // bFunctionClass
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0x02, // bFunctionSubClass
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0x01, // bFunctionProtocol
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4, // iFunction
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#endif
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#ifdef CDC_DATA_INTERFACE
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// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
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9, // bLength
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4, // bDescriptorType
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CDC_STATUS_INTERFACE, // bInterfaceNumber
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0, // bAlternateSetting
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1, // bNumEndpoints
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0x02, // bInterfaceClass
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0x02, // bInterfaceSubClass
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0x01, // bInterfaceProtocol
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0, // iInterface
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// CDC Header Functional Descriptor, CDC Spec 5.2.3.1, Table 26
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5, // bFunctionLength
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0x24, // bDescriptorType
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0x00, // bDescriptorSubtype
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0x10, 0x01, // bcdCDC
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// Call Management Functional Descriptor, CDC Spec 5.2.3.2, Table 27
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5, // bFunctionLength
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0x24, // bDescriptorType
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0x01, // bDescriptorSubtype
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0x01, // bmCapabilities
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1, // bDataInterface
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// Abstract Control Management Functional Descriptor, CDC Spec 5.2.3.3, Table 28
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4, // bFunctionLength
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0x24, // bDescriptorType
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0x02, // bDescriptorSubtype
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0x06, // bmCapabilities
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// Union Functional Descriptor, CDC Spec 5.2.3.8, Table 33
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5, // bFunctionLength
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0x24, // bDescriptorType
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0x06, // bDescriptorSubtype
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CDC_STATUS_INTERFACE, // bMasterInterface
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CDC_DATA_INTERFACE, // bSlaveInterface0
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// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
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7, // bLength
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5, // bDescriptorType
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CDC_ACM_ENDPOINT | 0x80, // bEndpointAddress
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0x03, // bmAttributes (0x03=intr)
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CDC_ACM_SIZE, 0, // wMaxPacketSize
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64, // bInterval
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// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
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9, // bLength
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4, // bDescriptorType
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CDC_DATA_INTERFACE, // bInterfaceNumber
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0, // bAlternateSetting
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2, // bNumEndpoints
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0x0A, // bInterfaceClass
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0x00, // bInterfaceSubClass
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0x00, // bInterfaceProtocol
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0, // iInterface
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// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
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7, // bLength
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5, // bDescriptorType
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CDC_RX_ENDPOINT, // bEndpointAddress
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0x02, // bmAttributes (0x02=bulk)
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CDC_RX_SIZE, 0, // wMaxPacketSize
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0, // bInterval
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// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
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7, // bLength
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5, // bDescriptorType
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CDC_TX_ENDPOINT | 0x80, // bEndpointAddress
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0x02, // bmAttributes (0x02=bulk)
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CDC_TX_SIZE, 0, // wMaxPacketSize
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0, // bInterval
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#endif // CDC_DATA_INTERFACE
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#ifdef KEYBOARD_INTERFACE
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// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
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9, // bLength
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4, // bDescriptorType
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KEYBOARD_INTERFACE, // bInterfaceNumber
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0, // bAlternateSetting
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1, // bNumEndpoints
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0x03, // bInterfaceClass (0x03 = HID)
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0x01, // bInterfaceSubClass (0x01 = Boot)
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0x01, // bInterfaceProtocol (0x01 = Keyboard)
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0, // iInterface
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// HID interface descriptor, HID 1.11 spec, section 6.2.1
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9, // bLength
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0x21, // bDescriptorType
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0x11, 0x01, // bcdHID
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0, // bCountryCode
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1, // bNumDescriptors
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0x22, // bDescriptorType
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LSB(sizeof(keyboard_report_desc)), // wDescriptorLength
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MSB(sizeof(keyboard_report_desc)),
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// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
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7, // bLength
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5, // bDescriptorType
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KEYBOARD_ENDPOINT | 0x80, // bEndpointAddress
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0x03, // bmAttributes (0x03=intr)
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KEYBOARD_SIZE, 0, // wMaxPacketSize
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KEYBOARD_INTERVAL, // bInterval
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#endif // KEYBOARD_INTERFACE
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#ifdef MOUSE_INTERFACE
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// interface descriptor, USB spec 9.6.5, page 267-269, Table 9-12
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9, // bLength
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4, // bDescriptorType
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MOUSE_INTERFACE, // bInterfaceNumber
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0, // bAlternateSetting
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1, // bNumEndpoints
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0x03, // bInterfaceClass (0x03 = HID)
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0x01, // bInterfaceSubClass (0x01 = Boot)
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0x02, // bInterfaceProtocol (0x02 = Mouse)
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0, // iInterface
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// HID interface descriptor, HID 1.11 spec, section 6.2.1
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9, // bLength
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0x21, // bDescriptorType
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0x11, 0x01, // bcdHID
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0, // bCountryCode
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1, // bNumDescriptors
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0x22, // bDescriptorType
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LSB(sizeof(mouse_report_desc)), // wDescriptorLength
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MSB(sizeof(mouse_report_desc)),
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// endpoint descriptor, USB spec 9.6.6, page 269-271, Table 9-13
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7, // bLength
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5, // bDescriptorType
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MOUSE_ENDPOINT | 0x80, // bEndpointAddress
|
|
|
|
|
0x03, // bmAttributes (0x03=intr)
|
|
|
|
|
MOUSE_SIZE, 0, // wMaxPacketSize
|
|
|
|
|
MOUSE_INTERVAL, // bInterval
|
|
|
|
|
#endif // MOUSE_INTERFACE
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// **************************************************************
|
|
|
|
|
// String Descriptors
|
|
|
|
|
// **************************************************************
|
|
|
|
|
|
|
|
|
|
// The descriptors above can provide human readable strings,
|
|
|
|
|
// referenced by index numbers. These descriptors are the
|
|
|
|
|
// actual string data
|
|
|
|
|
|
|
|
|
|
struct usb_string_descriptor_struct {
|
|
|
|
|
uint8_t bLength;
|
|
|
|
|
uint8_t bDescriptorType;
|
|
|
|
|
uint16_t wString[];
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static struct usb_string_descriptor_struct string0 = {
|
|
|
|
|
4,
|
|
|
|
|
3,
|
|
|
|
|
{0x0409}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
static struct usb_string_descriptor_struct string1 = {
|
2013-02-02 01:02:55 +00:00
|
|
|
sizeof(STR_MANUFACTURER),
|
2013-01-27 06:47:52 +00:00
|
|
|
3,
|
2013-02-02 01:02:55 +00:00
|
|
|
STR_MANUFACTURER
|
2013-01-27 06:47:52 +00:00
|
|
|
};
|
|
|
|
|
static struct usb_string_descriptor_struct string2 = {
|
2013-02-02 01:02:55 +00:00
|
|
|
sizeof(STR_PRODUCT),
|
2013-01-27 06:47:52 +00:00
|
|
|
3,
|
2013-02-02 01:02:55 +00:00
|
|
|
STR_PRODUCT
|
2013-01-27 06:47:52 +00:00
|
|
|
};
|
|
|
|
|
static struct usb_string_descriptor_struct string3 = {
|
2013-02-02 01:02:55 +00:00
|
|
|
sizeof(STR_SERIAL),
|
2013-01-27 06:47:52 +00:00
|
|
|
3,
|
2013-02-02 01:02:55 +00:00
|
|
|
STR_SERIAL
|
2013-01-27 06:47:52 +00:00
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// **************************************************************
|
|
|
|
|
// Descriptors List
|
|
|
|
|
// **************************************************************
|
|
|
|
|
|
|
|
|
|
// This table provides access to all the descriptor data above.
|
|
|
|
|
|
|
|
|
|
const usb_descriptor_list_t usb_descriptor_list[] = {
|
|
|
|
|
//wValue, wIndex, address, length
|
|
|
|
|
{0x0100, 0x0000, device_descriptor, sizeof(device_descriptor)},
|
|
|
|
|
{0x0200, 0x0000, config_descriptor, sizeof(config_descriptor)},
|
|
|
|
|
#ifdef KEYBOARD_INTERFACE
|
|
|
|
|
{0x2200, KEYBOARD_INTERFACE, keyboard_report_desc, sizeof(keyboard_report_desc)},
|
|
|
|
|
{0x2100, KEYBOARD_INTERFACE, config_descriptor+KEYBOARD_DESC_OFFSET, 9},
|
|
|
|
|
#endif
|
|
|
|
|
#ifdef MOUSE_INTERFACE
|
|
|
|
|
{0x2200, MOUSE_INTERFACE, mouse_report_desc, sizeof(mouse_report_desc)},
|
|
|
|
|
{0x2100, MOUSE_INTERFACE, config_descriptor+MOUSE_DESC_OFFSET, 9},
|
|
|
|
|
#endif
|
|
|
|
|
{0x0300, 0x0000, (const uint8_t *)&string0, 4},
|
2013-02-02 01:02:55 +00:00
|
|
|
{0x0301, 0x0409, (const uint8_t *)&string1, sizeof(STR_MANUFACTURER)},
|
|
|
|
|
{0x0302, 0x0409, (const uint8_t *)&string2, sizeof(STR_PRODUCT)},
|
|
|
|
|
{0x0303, 0x0409, (const uint8_t *)&string3, sizeof(STR_SERIAL)},
|
2013-01-27 06:47:52 +00:00
|
|
|
{0, 0, NULL, 0}
|
|
|
|
|
};
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
// **************************************************************
|
|
|
|
|
// Endpoint Configuration
|
|
|
|
|
// **************************************************************
|
|
|
|
|
|
|
|
|
|
#if 0
|
|
|
|
|
// 0x00 = not used
|
|
|
|
|
// 0x19 = Recieve only
|
|
|
|
|
// 0x15 = Transmit only
|
|
|
|
|
// 0x1D = Transmit & Recieve
|
|
|
|
|
//
|
|
|
|
|
const uint8_t usb_endpoint_config_table[NUM_ENDPOINTS] =
|
|
|
|
|
{
|
|
|
|
|
0x00, 0x15, 0x19, 0x15, 0x00, 0x00, 0x00, 0x00,
|
|
|
|
|
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
|
|
};
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
const uint8_t usb_endpoint_config_table[NUM_ENDPOINTS] =
|
|
|
|
|
{
|
|
|
|
|
#if (defined(ENDPOINT1_CONFIG) && NUM_ENDPOINTS >= 1)
|
|
|
|
|
ENDPOINT1_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 1)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT2_CONFIG) && NUM_ENDPOINTS >= 2)
|
|
|
|
|
ENDPOINT2_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 2)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT3_CONFIG) && NUM_ENDPOINTS >= 3)
|
|
|
|
|
ENDPOINT3_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 3)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT4_CONFIG) && NUM_ENDPOINTS >= 4)
|
|
|
|
|
ENDPOINT4_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 4)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT5_CONFIG) && NUM_ENDPOINTS >= 5)
|
|
|
|
|
ENDPOINT5_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 5)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT6_CONFIG) && NUM_ENDPOINTS >= 6)
|
|
|
|
|
ENDPOINT6_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 6)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT7_CONFIG) && NUM_ENDPOINTS >= 7)
|
|
|
|
|
ENDPOINT7_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 7)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT8_CONFIG) && NUM_ENDPOINTS >= 8)
|
|
|
|
|
ENDPOINT8_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 8)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT9_CONFIG) && NUM_ENDPOINTS >= 9)
|
|
|
|
|
ENDPOINT9_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 9)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT10_CONFIG) && NUM_ENDPOINTS >= 10)
|
|
|
|
|
ENDPOINT10_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 10)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT11_CONFIG) && NUM_ENDPOINTS >= 11)
|
|
|
|
|
ENDPOINT11_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 11)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT12_CONFIG) && NUM_ENDPOINTS >= 12)
|
|
|
|
|
ENDPOINT12_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 12)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT13_CONFIG) && NUM_ENDPOINTS >= 13)
|
|
|
|
|
ENDPOINT13_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 13)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT14_CONFIG) && NUM_ENDPOINTS >= 14)
|
|
|
|
|
ENDPOINT14_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 14)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
#if (defined(ENDPOINT15_CONFIG) && NUM_ENDPOINTS >= 15)
|
|
|
|
|
ENDPOINT15_CONFIG,
|
|
|
|
|
#elif (NUM_ENDPOINTS >= 15)
|
|
|
|
|
ENDPOINT_UNUSED,
|
|
|
|
|
#endif
|
|
|
|
|
};
|
|
|
|
|
|
