mongoose/examples/renesas/ek-ra6m4-make-baremetal-builtin/main.c

// Copyright (c) 2023 Cesanta Software Limited
// All rights reserved

#include "hal.h"
#include "mongoose.h"
#include "net.h"

#define BLINK_PERIOD_MS 1000  // LED blinking period in millis

static void timer_fn(void *arg) {
  gpio_toggle(LED);                                      // Blink LED
  struct mg_tcpip_if *ifp = arg;                         // And show
  const char *names[] = {"down", "up", "req", "ready"};  // network stats
  MG_INFO(("Ethernet: %s, IP: %M, rx:%u, tx:%u, dr:%u, er:%u",
           names[ifp->state], mg_print_ip4, &ifp->ip, ifp->nrecv, ifp->nsent,
           ifp->ndrop, ifp->nerr));
}

int main(void) {
  hal_init();

  struct mg_mgr mgr;        // Initialise
  mg_mgr_init(&mgr);        // Mongoose event manager
  mg_log_set(MG_LL_DEBUG);  // Set log level

  MG_INFO(("Starting, CPU freq %g MHz", (double) SystemCoreClock / 1000000));
  
  // Initialise Mongoose network stack
  struct mg_tcpip_driver_ra_data driver_data = {
      .clock = SystemCoreClock, .irqno = 0, .phy_addr = 1};
  struct mg_tcpip_if mif = {// .mac = {...}, generate random mac address
                            // Uncomment below for static configuration:
                            // .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
                            // .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
                            // .gw = mg_htonl(MG_U32(192, 168, 0, 1)),
                            .driver = &mg_tcpip_driver_ra,
                            .driver_data = &driver_data};
  mg_tcpip_init(&mgr, &mif);
  mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);

  MG_INFO(("MAC: %M. Waiting for IP...", mg_print_mac, mif.mac));
  while (mif.state != MG_TCPIP_STATE_READY) {
    mg_mgr_poll(&mgr, 0);
  }

  MG_INFO(("Initialising application..."));
  web_init(&mgr);

  MG_INFO(("Starting event loop"));
  for (;;) {
    mg_mgr_poll(&mgr, 0);
  }

  return 0;
}