luban-lite-t3e-pro/packages/third-party/cherryusb/demo/usbh_hid_template.c

/*
 * Copyright (c) 2023-2024, ArtInChip Technology Co., Ltd
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 */

#include <rtconfig.h>
#include "usbh_core.h"
#include "usbh_hid.h"

USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t hid_buffer[128];

void usbh_hid_callback(void *arg, int nbytes)
{
    struct usbh_hid *hid_class = (struct usbh_hid *)arg;

    if (nbytes > 0) {
        for (int i = 0; i < nbytes; i++) {
            USB_LOG_RAW("0x%02x ", hid_buffer[i]);
        }
        USB_LOG_RAW("nbytes:%d\r\n", nbytes);
        usbh_int_urb_fill(&hid_class->intin_urb, hid_class->hport, hid_class->intin, hid_buffer, hid_class->intin->wMaxPacketSize, 0, usbh_hid_callback, hid_class);
        usbh_submit_urb(&hid_class->intin_urb);
    } else if (nbytes == -USB_ERR_NAK) { /* only dwc2 should do this */
        usbh_int_urb_fill(&hid_class->intin_urb, hid_class->hport, hid_class->intin, hid_buffer, hid_class->intin->wMaxPacketSize, 0, usbh_hid_callback, hid_class);
        usbh_submit_urb(&hid_class->intin_urb);
    } else {
    }
}

static void usbh_hid_thread(void *argument)
{
    int ret;
    struct usbh_hid *hid_class = (struct usbh_hid *)argument;

    /* test with only one buffer, if you have more hid class, modify by yourself */

    /* Suggest you to use timer for int transfer and use ep interval */
    usbh_int_urb_fill(&hid_class->intin_urb, hid_class->hport, hid_class->intin, hid_buffer, hid_class->intin->wMaxPacketSize, 0, usbh_hid_callback, hid_class);
    ret = usbh_submit_urb(&hid_class->intin_urb);
    if (ret < 0) {
        goto delete;
    }
    // clang-format off
delete:
    usb_osal_thread_delete(NULL);
    // clang-format on
}

void usbh_hid_run(struct usbh_hid *hid_class)
{
    usb_osal_thread_create("usbh_hid", 2048, CONFIG_USBHOST_PSC_PRIO + 1, usbh_hid_thread, hid_class);
}

void usbh_hid_stop(struct usbh_hid *hid_class)
{
}