AB202X/project/solution/ble_hid_composite/usb/usb_vendor_desc.c

#include "include.h"
#include "usb_desc.h"

#if USB_VENDOR_EN

AT(.rodata.usb.desc)
const uint8_t desc_itf_vendor[] = {
    //Interface Descriptor:
    9,                              /* Num bytes of this descriptor */
    INTERFACE_DESCRIPTOR,           /* Interface descriptor type */
    USB_VENDOR_ITF_INDEX,           /* Interface Number*/
    0,                              /* Alternate interface number */
    2,                              /* Num endpoints of this interface */
    0x03,                           /* Interface Sub Class: Human Interface Device */
    0,                              /* Interface Sub Class: */
    0,                              /* Class specific protocol: */
    0,                              /* Index of Interface string descriptor */

    //HID Descriptor:
    9,                              /* Num bytes of this descriptor */
    HID_DESCRIPTOR,                 /* HID Type */
    0x11, 0x01,                     /* HID Class Specification compliance */
    0x00,                           /* Country Code: none */
    0x01,                           /* Number of descriptors to follow */
    HID_REPORT_DESCRIPTOR,          /* Report descriptor type */
    BYTE0(VENDOR_REPORT_DESC_SIZE), /* Len of Report descriptor ,sizeof(desc_vendor_report) */
    BYTE1(VENDOR_REPORT_DESC_SIZE),

    //Endpoint Descriptor: (OUT)
    0x07,                           /* Num bytes of this descriptor */
    ENDPOINT_DESCRIPTOR,            /* Endpoint descriptor type */
    USB_VENDOR_EP_OUT_INDEX,        /* Endpoint address: */
    EP_TYPE_INTR,                   /* Endpoint type: */
    BYTE0(VENDOR_EP_OUT_MAX_SIZE),  /* Maximum packet size */
    BYTE1(VENDOR_EP_OUT_MAX_SIZE),
    0x01,                           /* Poll */

    //Endpoint Descriptor: (IN)
    0x07,                           /* Num bytes of this descriptor */
    ENDPOINT_DESCRIPTOR,            /* Endpoint descriptor type */
    USB_VENDOR_EP_IN_INDEX | 0x80,  /* Endpoint address: */
    EP_TYPE_INTR,                   /* Endpoint type: */
    BYTE0(VENDOR_EP_IN_MAX_SIZE),   /* Maximum packet size */
    BYTE1(VENDOR_EP_IN_MAX_SIZE),
    0x01,                           /* Poll */
};

//HID report
AT(.rodata.usb.desc)
const u8 desc_vendor_report[] = {
    0x06, 0xAB, 0xFF,                   /* Usage Page (Vendor Defined) */
    0x09, 0x00,                         /* Usage (Undefined) */
    0xA1, 0x01,                         /* Collection */
    0x85, USB_VENDOR_REPORT_ID_APP,     /* Report ID (...) */
    0x15, 0x00,                         /* Logical Minimum (0) */
    0x25, 0xFF,                         /* Logical Maximum (255) */
    0x19, 0x00,                         /* Usage Minimum (0) */
    0x29, 0xFF,                         /* Usage Maximum (255) */
    0x95, (VENDOR_EP_IN_MAX_SIZE-1),    /* Report Count (64) */
    0x75, 0x08,                         /* Report Size (8) */
    0x81, 0x02,                         /* Input (Data, Variable, Absolute) */
    0x19, 0x00,                         /* Usage Minimum (0) */
    0x29, 0xFF,                         /* Usage Maximum (255) */
    0x95, (VENDOR_EP_OUT_MAX_SIZE-1),   /* Report Count (64) */
    0x75, 0x08,                         /* Report Size (8) */
    0x91, 0x02,                         /* Output (Data, Variable, Absolute) */
    0xC0,                               /* End Collection */
};


/* Return the desc to the lib by rewriting this func */
uint8_t *usb_vendor_itf_desc_get(uint8_t *length)
{
    if (VENDOR_REPORT_DESC_SIZE != sizeof(desc_vendor_report)){
        printf("--->desc_hid_report_size_err: %d,%d\n", VENDOR_REPORT_DESC_SIZE, sizeof(desc_vendor_report));
        while(1);
    }

    *length = sizeof(desc_itf_vendor);
    return (u8 *)desc_itf_vendor;
}

uint8_t *usb_vendor_report_desc_get(uint8_t *length)
{
    *length = sizeof(desc_vendor_report);
    return (u8 *)desc_vendor_report;
}

AT(.com_text.usb.vendor.desc)
uint32_t usb_vendor_fmt_size_get(uint8_t report_id)
{
    if (report_id == USB_VENDOR_REPORT_ID_APP) {
        return 64;
    }

    return 0;
}

#endif