// Copyright (c) 2022 Cesanta Software Limited // All rights reserved #include "pico/stdlib.h" #include "hardware/clocks.h" #include "mongoose.h" #include "driver_rp2040_rmii.h" #define CLKREFPIN 20 // either 20 or 22 static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) { if (ev == MG_EV_HTTP_MSG) { mg_http_reply(c, 200, "", "ok\n"); } } int main(void) { // use the RMII reference clock (50MHz) as our system clock clock_configure_gpin(clk_sys, CLKREFPIN, 50 * MHZ, 50 * MHZ); sleep_ms(100); stdio_init_all(); struct mg_mgr mgr; // Initialise Mongoose event manager mg_mgr_init(&mgr); // and attach it to the MIP interface mg_log_set(MG_LL_DEBUG); // Set log level MG_INFO(("Init MIP")); // Initialise Mongoose network stack and specific driver // Set consecutive GPIOs for RMII (tx and rx) and SMI function groups struct mg_tcpip_driver_rp2040_rmii_data driver_data = { // see driver_rp2040_rmii.h .rx0 = 6, // 6, 7, 8 : RX0, RX1, CRS_DV .tx0 = 10, // 10, 11, 12 : TX0, TX1, TX-EN .mdio = 14, // 14, 15 : MDIO, MDC .phy_addr = 1 // check your hardware, LAN8722 is 0 or 1 }; // Specify MAC address, either set use_dhcp or enter a static config. // For static configuration, specify IP/mask/GW in network byte order struct mg_tcpip_if mif = { .mac = {2, 0, 1, 2, 3, 5}, .ip = 0, .driver = &mg_tcpip_driver_rp2040_rmii, .driver_data = &driver_data, }; mg_tcpip_init(&mgr, &mif); mg_http_listen(&mgr, "http://0.0.0.0", fn, NULL); // HTTP listener MG_INFO(("Init done, starting main loop")); for (;;) mg_mgr_poll(&mgr, 0); // Infinite event loop return 0; }