58 lines
1.8 KiB
C
58 lines
1.8 KiB
C
// Copyright (c) 2022 Cesanta Software Limited
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// All rights reserved
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#include "pico/stdlib.h"
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#include "hardware/clocks.h"
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#include "mongoose.h"
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#include "driver_rp2040_rmii.h"
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#define CLKREFPIN 20 // either 20 or 22
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static void fn(struct mg_connection *c, int ev, void *ev_data, void *fn_data) {
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if (ev == MG_EV_HTTP_MSG) {
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mg_http_reply(c, 200, "", "ok\n");
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}
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}
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int main(void) {
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// use the RMII reference clock (50MHz) as our system clock
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clock_configure_gpin(clk_sys, CLKREFPIN, 50 * MHZ, 50 * MHZ);
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sleep_ms(100);
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stdio_init_all();
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struct mg_mgr mgr; // Initialise Mongoose event manager
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mg_mgr_init(&mgr); // and attach it to the interface
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mg_log_set(MG_LL_DEBUG); // Set log level
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MG_INFO(("Init TCP/IP"));
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// Initialise Mongoose network stack and specific driver
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// Set consecutive GPIOs for RMII (tx and rx) and SMI function groups
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struct mg_tcpip_driver_rp2040_rmii_data driver_data = {
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// see driver_rp2040_rmii.h
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.rx0 = 6, // 6, 7, 8 : RX0, RX1, CRS_DV
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.tx0 = 10, // 10, 11, 12 : TX0, TX1, TX-EN
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.mdio = 14, // 14, 15 : MDIO, MDC
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.phy_addr = 1 // check your hardware, LAN8722 is 0 or 1
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};
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// Specify MAC address, either set use_dhcp or enter a static config.
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// For static configuration, specify IP/mask/GW in network byte order
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struct mg_tcpip_if mif = {
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.mac = {2, 0, 1, 2, 3, 5},
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.ip = 0,
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.enable_mac_check = true,
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.enable_crc32_check = true,
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.driver = &mg_tcpip_driver_rp2040_rmii,
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.driver_data = &driver_data,
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};
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mg_tcpip_init(&mgr, &mif);
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mg_http_listen(&mgr, "http://0.0.0.0", fn, NULL); // HTTP listener
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MG_INFO(("Init done, starting main loop"));
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for (;;) mg_mgr_poll(&mgr, 0); // Infinite event loop
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return 0;
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}
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