279 lines
8.4 KiB
C
279 lines
8.4 KiB
C
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/*
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* Copyright (c) 2024, sakumisu
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "usbd_core.h"
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#include "usbd_cdc_ecm.h"
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/*!< endpoint address */
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#define CDC_IN_EP 0x81
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#define CDC_OUT_EP 0x02
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#define CDC_INT_EP 0x83
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#define USBD_VID 0xFFFF
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#define USBD_PID 0xFFFF
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#define USBD_MAX_POWER 100
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#define USBD_LANGID_STRING 1033
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/*!< config descriptor size */
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#define USB_CONFIG_SIZE (9 + CDC_ECM_DESCRIPTOR_LEN)
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#ifdef CONFIG_USB_HS
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#define CDC_MAX_MPS 512
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#else
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#define CDC_MAX_MPS 64
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#endif
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#define CDC_ECM_ETH_STATISTICS_BITMAP 0x00000000
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/* str idx = 4 is for mac address: aa:bb:cc:dd:ee:ff*/
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#define CDC_ECM_MAC_STRING_INDEX 4
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/*!< global descriptor */
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static const uint8_t cdc_ecm_descriptor[] = {
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USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0xEF, 0x02, 0x01, USBD_VID, USBD_PID, 0x0100, 0x01),
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USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x02, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
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CDC_ECM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, CDC_MAX_MPS, CDC_ECM_ETH_STATISTICS_BITMAP, CONFIG_CDC_ECM_ETH_MAX_SEGSZE, 0, 0, CDC_ECM_MAC_STRING_INDEX),
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///////////////////////////////////////
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/// string0 descriptor
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///////////////////////////////////////
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USB_LANGID_INIT(USBD_LANGID_STRING),
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///////////////////////////////////////
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/// string1 descriptor
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///////////////////////////////////////
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0x14, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'C', 0x00, /* wcChar0 */
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'h', 0x00, /* wcChar1 */
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'e', 0x00, /* wcChar2 */
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'r', 0x00, /* wcChar3 */
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'r', 0x00, /* wcChar4 */
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'y', 0x00, /* wcChar5 */
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'U', 0x00, /* wcChar6 */
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'S', 0x00, /* wcChar7 */
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'B', 0x00, /* wcChar8 */
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///////////////////////////////////////
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/// string2 descriptor
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///////////////////////////////////////
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0x2E, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'C', 0x00, /* wcChar0 */
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'h', 0x00, /* wcChar1 */
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'e', 0x00, /* wcChar2 */
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'r', 0x00, /* wcChar3 */
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'r', 0x00, /* wcChar4 */
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'y', 0x00, /* wcChar5 */
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'U', 0x00, /* wcChar6 */
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'S', 0x00, /* wcChar7 */
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'B', 0x00, /* wcChar8 */
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' ', 0x00, /* wcChar9 */
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'C', 0x00, /* wcChar10 */
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'D', 0x00, /* wcChar11 */
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'C', 0x00, /* wcChar12 */
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' ', 0x00, /* wcChar13 */
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'E', 0x00, /* wcChar14 */
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'C', 0x00, /* wcChar15 */
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'M', 0x00, /* wcChar16 */
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' ', 0x00, /* wcChar17 */
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'D', 0x00, /* wcChar18 */
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'E', 0x00, /* wcChar19 */
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'M', 0x00, /* wcChar20 */
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'O', 0x00, /* wcChar21 */
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///////////////////////////////////////
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/// string3 descriptor
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///////////////////////////////////////
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0x16, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'2', 0x00, /* wcChar0 */
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'0', 0x00, /* wcChar1 */
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'2', 0x00, /* wcChar2 */
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'2', 0x00, /* wcChar3 */
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'1', 0x00, /* wcChar4 */
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'2', 0x00, /* wcChar5 */
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'3', 0x00, /* wcChar6 */
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'4', 0x00, /* wcChar7 */
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'5', 0x00, /* wcChar8 */
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'6', 0x00, /* wcChar9 */
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///////////////////////////////////////
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/// string4 descriptor
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///////////////////////////////////////
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0x1A, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'a', 0x00, /* wcChar0 */
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'a', 0x00, /* wcChar1 */
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'b', 0x00, /* wcChar2 */
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'b', 0x00, /* wcChar3 */
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'c', 0x00, /* wcChar4 */
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'c', 0x00, /* wcChar5 */
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'd', 0x00, /* wcChar6 */
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'd', 0x00, /* wcChar7 */
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'e', 0x00, /* wcChar8 */
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'e', 0x00, /* wcChar9 */
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'f', 0x00, /* wcChar10 */
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'f', 0x00, /* wcChar11 */
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#ifdef CONFIG_USB_HS
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///////////////////////////////////////
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/// device qualifier descriptor
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///////////////////////////////////////
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0x0a,
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USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
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0x00,
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0x02,
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0x02,
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0x02,
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0x01,
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0x40,
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0x01,
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0x00,
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#endif
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0x00
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};
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const uint8_t mac[6] = { 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff };
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/*Static IP ADDRESS: IP_ADDR0.IP_ADDR1.IP_ADDR2.IP_ADDR3 */
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#define IP_ADDR0 (uint8_t)192
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#define IP_ADDR1 (uint8_t)168
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#define IP_ADDR2 (uint8_t)123
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#define IP_ADDR3 (uint8_t)100
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/*NETMASK*/
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#define NETMASK_ADDR0 (uint8_t)255
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#define NETMASK_ADDR1 (uint8_t)255
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#define NETMASK_ADDR2 (uint8_t)255
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#define NETMASK_ADDR3 (uint8_t)0
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/*Gateway Address*/
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#define GW_ADDR0 (uint8_t)192
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#define GW_ADDR1 (uint8_t)168
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#define GW_ADDR2 (uint8_t)123
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#define GW_ADDR3 (uint8_t)1
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#include "netif/etharp.h"
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#include "lwip/init.h"
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#include "lwip/netif.h"
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#include "lwip/pbuf.h"
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const ip_addr_t ipaddr = IPADDR4_INIT_BYTES(IP_ADDR0, IP_ADDR1, IP_ADDR2, IP_ADDR3);
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const ip_addr_t netmask = IPADDR4_INIT_BYTES(NETMASK_ADDR0, NETMASK_ADDR1, NETMASK_ADDR2, NETMASK_ADDR3);
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const ip_addr_t gateway = IPADDR4_INIT_BYTES(GW_ADDR0, GW_ADDR1, GW_ADDR2, GW_ADDR3);
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static struct netif cdc_ecm_netif; //network interface
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/* Network interface name */
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#define IFNAME0 'E'
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#define IFNAME1 'X'
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static err_t linkoutput_fn(struct netif *netif, struct pbuf *p)
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{
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static int ret;
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ret = usbd_cdc_ecm_eth_tx(p);
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if (ret == 0)
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return ERR_OK;
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else
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return ERR_BUF;
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}
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err_t cdc_ecm_if_init(struct netif *netif)
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{
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LWIP_ASSERT("netif != NULL", (netif != NULL));
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netif->mtu = 1500;
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netif->flags = NETIF_FLAG_BROADCAST | NETIF_FLAG_ETHARP | NETIF_FLAG_LINK_UP | NETIF_FLAG_UP;
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netif->state = NULL;
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netif->name[0] = IFNAME0;
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netif->name[1] = IFNAME1;
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netif->output = etharp_output;
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netif->linkoutput = linkoutput_fn;
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return ERR_OK;
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}
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err_t cdc_ecm_if_input(struct netif *netif)
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{
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static err_t err;
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static struct pbuf *p;
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p = usbd_cdc_ecm_eth_rx();
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if (p != NULL) {
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err = netif->input(p, netif);
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if (err != ERR_OK) {
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pbuf_free(p);
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}
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} else {
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return ERR_BUF;
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}
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return err;
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}
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void cdc_ecm_lwip_init(void)
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{
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struct netif *netif = &cdc_ecm_netif;
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lwip_init();
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netif->hwaddr_len = 6;
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memcpy(netif->hwaddr, mac, 6);
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netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, cdc_ecm_if_init, netif_input);
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netif_set_default(netif);
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while (!netif_is_up(netif)) {
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}
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// while (dhserv_init(&dhcp_config)) {}
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// while (dnserv_init(&ipaddr, PORT_DNS, dns_query_proc)) {}
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}
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void usbd_cdc_ecm_data_recv_done(uint8_t *buf, uint32_t len)
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{
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}
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void cdc_ecm_input_poll(void)
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{
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cdc_ecm_if_input(&cdc_ecm_netif);
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}
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static void usbd_event_handler(uint8_t busid, uint8_t event)
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{
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switch (event) {
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case USBD_EVENT_RESET:
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break;
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case USBD_EVENT_CONNECTED:
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break;
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case USBD_EVENT_DISCONNECTED:
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break;
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case USBD_EVENT_RESUME:
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break;
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case USBD_EVENT_SUSPEND:
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break;
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case USBD_EVENT_CONFIGURED:
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break;
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case USBD_EVENT_SET_REMOTE_WAKEUP:
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break;
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case USBD_EVENT_CLR_REMOTE_WAKEUP:
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break;
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default:
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break;
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}
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}
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struct usbd_interface intf0;
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struct usbd_interface intf1;
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/* ecm only supports in linux, and you should input the following command
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*
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* sudo ifconfig enxaabbccddeeff up
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* sudo dhcpclient enxaabbccddeeff
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*/
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void cdc_ecm_init(uint8_t busid, uint32_t reg_base)
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{
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cdc_ecm_lwip_init();
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usbd_desc_register(busid, cdc_ecm_descriptor);
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usbd_add_interface(busid, usbd_cdc_ecm_init_intf(&intf0, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP));
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usbd_add_interface(busid, usbd_cdc_ecm_init_intf(&intf1, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP));
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usbd_initialize(busid, reg_base, usbd_event_handler);
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}
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