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