usb_descriptors.c
Код: Выделить всё
#ifndef __USB_DESCRIPTORS_C
#define __USB_DESCRIPTORS_C
#include "usb.h"
#include "usb_device_hid.h"
#if defined(__18CXX)
#pragma romdata
#endif
/* Device Descriptor */
const USB_DEVICE_DESCRIPTOR device_dsc=
{
0x12, // Size of this descriptor in bytes
USB_DESCRIPTOR_DEVICE, // DEVICE descriptor type
0x0200, // USB Spec Release Number in BCD format
0x00, // Class Code
0x00, // Subclass code
0x00, // Protocol code
USB_EP0_BUFF_SIZE, // Max packet size for EP0, see usb_config.h
0x04D8, // Vendor ID
0x003F, // Product ID: Custom HID device demo
0x0100, // Device release number in BCD format
0x01, // Manufacturer string index
0x02, // Product string index
0x00, // Device serial number string index
0x01 // Number of possible configurations
};
/* Configuration 1 Descriptor */
const uint8_t configDescriptor1[]={
/* Configuration Descriptor */
0x09,//sizeof(USB_CFG_DSC), // Size of this descriptor in bytes
USB_DESCRIPTOR_CONFIGURATION, // CONFIGURATION descriptor type
0x29,0x00, // Total length of data for this cfg
1, // Number of interfaces in this cfg
1, // Index value of this configuration
0, // Configuration string index
_DEFAULT | _SELF, // Attributes, see usb_device.h
50, // Max power consumption (2X mA)
/* Interface Descriptor */
0x09,//sizeof(USB_INTF_DSC), // Size of this descriptor in bytes
USB_DESCRIPTOR_INTERFACE, // INTERFACE descriptor type
0, // Interface Number
0, // Alternate Setting Number
2, // Number of endpoints in this intf
HID_INTF, // Class code
0, // Subclass code
0, // Protocol code
0, // Interface string index
/* HID Class-Specific Descriptor */
0x09,//sizeof(USB_HID_DSC)+3, // Size of this descriptor in bytes
DSC_HID, // HID descriptor type
0x11,0x01, // HID Spec Release Number in BCD format (1.11)
0x00, // Country Code (0x00 for Not supported)
HID_NUM_OF_DSC, // Number of class descriptors, see usbcfg.h
DSC_RPT, // Report descriptor type
HID_RPT01_SIZE,0x00,//sizeof(hid_rpt01), // Size of the report descriptor
/* Endpoint Descriptor */
0x07,/*sizeof(USB_EP_DSC)*/
USB_DESCRIPTOR_ENDPOINT, //Endpoint Descriptor
CUSTOM_DEVICE_HID_EP | _EP_IN, //EndpointAddress
_INTERRUPT, //Attributes
0x40,0x00, //size
0x01, //Interval
/* Endpoint Descriptor */
0x07,/*sizeof(USB_EP_DSC)*/
USB_DESCRIPTOR_ENDPOINT, //Endpoint Descriptor
CUSTOM_DEVICE_HID_EP | _EP_OUT, //EndpointAddress
_INTERRUPT, //Attributes
0x40,0x00, //size
0x01 //Interval
};
//Language code string descriptor
const struct{uint8_t bLength;uint8_t bDscType;uint16_t string[1];}sd000={
sizeof(sd000),USB_DESCRIPTOR_STRING,{0x0409
}};
//Manufacturer string descriptor
const struct{uint8_t bLength;uint8_t bDscType;uint16_t string[20];}sd001={
sizeof(sd001),USB_DESCRIPTOR_STRING,
{'M','i','c','r','o','c','h','i','p',' ',
'P','I','C','1','8','F','4','5','5','0'
}};
//Product string descriptor
const struct{uint8_t bLength;uint8_t bDscType;uint16_t string[6];}sd002={
sizeof(sd002),USB_DESCRIPTOR_STRING,
{'P','i','с',' ','1','8'
}};
//Class specific descriptor - HID
const struct{uint8_t report[HID_RPT01_SIZE];}hid_rpt01={
{
0x06, 0x00, 0xFF, // Usage Page = 0xFF00 (Vendor Defined Page 1)
0x09, 0x01, // Usage (Vendor Usage 1)
0xA1, 0x01, // Collection (Application)
0x19, 0x01, // Usage Minimum
0x29, 0x40, // Usage Maximum //64 input usages total (0x01 to 0x40)
0x15, 0x00, // Logical Minimum (data bytes in the report may have minimum value = 0x00)
0x26, 0xFF, 0x00, // Logical Maximum (data bytes in the report may have maximum value = 0x00FF = unsigned 255)
0x75, 0x08, // Report Size: 8-bit field size
0x95, 0x40, // Report Count: Make sixty-four 8-bit fields (the next time the parser hits an "Input", "Output", or "Feature" item)
0x81, 0x00, // Input (Data, Array, Abs): Instantiates input packet fields based on the above report size, count, logical min/max, and usage.
0x19, 0x01, // Usage Minimum
0x29, 0x40, // Usage Maximum //64 output usages total (0x01 to 0x40)
0x91, 0x00, // Output (Data, Array, Abs): Instantiates output packet fields. Uses same report size and count as "Input" fields, since nothing new/different was specified to the parser since the "Input" item.
0xC0} // End Collection
};
const uint8_t *const USB_CD_Ptr[]=
{
(const uint8_t *const)&configDescriptor1
};
const uint8_t *const USB_SD_Ptr[]=
{
(const uint8_t *const)&sd000,
(const uint8_t *const)&sd001,
(const uint8_t *const)&sd002
};
#endif
