ENET — 以太网 Telnet

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#include "gd32f30x.h"
#include "netconf.h"
#include "main.h"
#include "lwip/tcp.h"
#include "lwip/timeouts.h"
#include "gd32f307c_eval.h"
#include "hello_gigadevice.h"
#define SYSTEMTICK_PERIOD_MS  10
__IO uint32_t g_localtime = 0; /* for creating a time reference incremented by 10ms */

int main(void)
{
    gd_eval_com_init(EVAL_COM0);

    /* setup ethernet system(GPIOs, clocks, MAC, DMA, systick) */
    enet_system_setup();

    /* initilaize the LwIP stack */
    lwip_stack_init();

    while(1) {

#ifndef USE_ENET_INTERRUPT
        /* check if any packet received */
        if(enet_rxframe_size_get()) {
            /* process received ethernet packet */
            lwip_frame_recv();
        }
#endif /* USE_ENET_INTERRUPT */

        /* handle periodic timers for LwIP */
#ifdef TIMEOUT_CHECK_USE_LWIP
        sys_check_timeouts();

#ifdef USE_DHCP
        lwip_dhcp_address_get();
#endif /* USE_DHCP */

#else
        lwip_timeouts_check(g_localtime);
#endif /* TIMEOUT_CHECK_USE_LWIP */
    }
}