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https://gitee.com/Vancouver2017/luban-lite-t3e-pro.git
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108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
/*
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* Copyright (c) 2022, sakumisu
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "usbh_core.h"
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#define DEV_FORMAT "/dev/air724"
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struct usbh_cdc_custom_air724 {
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struct usbh_hubport *hport;
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usbh_pipe_t bulkin; /* Bulk IN endpoint */
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usbh_pipe_t bulkout; /* Bulk OUT endpoint */
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struct usbh_urb bulkin_urb; /* Bulk IN urb */
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struct usbh_urb bulkout_urb; /* Bulk OUT urb */
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};
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static inline int usbh_air724_bulk_out_transfer(struct usbh_cdc_custom_air724 *cdc_custom_class, uint8_t *buffer, uint32_t buflen, uint32_t timeout)
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{
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int ret;
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struct usbh_urb *urb = &cdc_custom_class->bulkout_urb;
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memset(urb, 0, sizeof(struct usbh_urb));
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usbh_bulk_urb_fill(urb, cdc_custom_class->bulkout, buffer, buflen, timeout, NULL, NULL);
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ret = usbh_submit_urb(urb);
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if (ret == 0) {
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ret = urb->actual_length;
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}
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return ret;
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}
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int usbh_air724_connect(struct usbh_hubport *hport, uint8_t intf)
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{
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struct usbh_endpoint_cfg ep_cfg = { 0 };
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struct usb_endpoint_descriptor *ep_desc;
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int ret;
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if (intf != 3) {
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USB_LOG_WRN("ignore intf:%d\r\n", intf);
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return 0;
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}
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struct usbh_cdc_custom_air724 *cdc_custom_class = usb_malloc(sizeof(struct usbh_cdc_custom_air724));
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if (cdc_custom_class == NULL) {
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USB_LOG_ERR("Fail to alloc cdc_custom_class\r\n");
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return -ENOMEM;
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}
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memset(cdc_custom_class, 0, sizeof(struct usbh_cdc_custom_air724));
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cdc_custom_class->hport = hport;
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strncpy(hport->config.intf[intf].devname, DEV_FORMAT, CONFIG_USBHOST_DEV_NAMELEN);
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hport->config.intf[intf].priv = cdc_custom_class;
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for (uint8_t i = 0; i < hport->config.intf[intf].altsetting[0].intf_desc.bNumEndpoints; i++) {
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ep_desc = &hport->config.intf[intf].altsetting[0].ep[i].ep_desc;
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if (ep_desc->bEndpointAddress & 0x80) {
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usbh_hport_activate_epx(&cdc_custom_class->bulkin, hport, ep_desc);
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} else {
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usbh_hport_activate_epx(&cdc_custom_class->bulkout, hport, ep_desc);
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}
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}
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USB_LOG_INFO("Register air724 Class:%s\r\n", hport->config.intf[intf].devname);
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uint8_t cdc_buffer[32] = { 0x41, 0x54, 0x0d, 0x0a };
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ret = usbh_air724_bulk_out_transfer(cdc_custom_class->bulkout, cdc_buffer, 4, 3000);
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if (ret < 0) {
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USB_LOG_ERR("bulk out error,ret:%d\r\n", ret);
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} else {
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USB_LOG_RAW("send over:%d\r\n", ret);
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}
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ret = usbh_air724_bulk_out_transfer(cdc_custom_class->bulkin, cdc_buffer, 10, 3000);
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if (ret < 0) {
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USB_LOG_ERR("bulk in error,ret:%d\r\n", ret);
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} else {
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USB_LOG_RAW("recv over:%d\r\n", ret);
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for (size_t i = 0; i < ret; i++) {
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USB_LOG_RAW("0x%02x ", cdc_buffer[i]);
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}
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}
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return ret;
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}
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int usbh_air724_disconnect(struct usbh_hubport *hport, uint8_t intf)
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{
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return 0;
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}
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const struct usbh_class_driver cdc_custom_class_driver = {
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.driver_name = "cdc_acm",
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.connect = usbh_air724_connect,
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.disconnect = usbh_air724_disconnect
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};
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CLASS_INFO_DEFINE const struct usbh_class_info cdc_custom_class_info = {
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.match_flags = USB_CLASS_MATCH_INTF_CLASS | USB_CLASS_MATCH_INTF_SUBCLASS | USB_CLASS_MATCH_INTF_PROTOCOL,
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.class = 0xff,
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.subclass = 0,
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.protocol = 0,
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.vid = 0x1782,
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.pid = 0x4e00,
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.class_driver = &cdc_custom_class_driver
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};
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