mongoose/examples/rp2040/pico-w5500/main.c

73 lines
2.3 KiB
C

// Copyright (c) 2023 Cesanta Software Limited
// All rights reserved
#include <stdio.h>
#include <string.h>
#include "hardware/spi.h"
#include "pico/stdlib.h"
#include "mongoose.h"
enum { BLINK_PERIOD_MS = 1000 };
enum { LED = 25, SPI_CS = 17, SPI_CLK = 18, SPI_TX = 19, SPI_RX = 16 }; // Pins
static void spi_begin(void *spi) { gpio_put(SPI_CS, 0); }
static void spi_end(void *spi) { gpio_put(SPI_CS, 1); }
static uint8_t spi_txn(void *spi, uint8_t byte) {
uint8_t result = 0;
spi_write_read_blocking(spi0, &byte, &result, 1);
return result;
}
static void timer_cb(void *arg) {
gpio_put(PICO_DEFAULT_LED_PIN, !gpio_get_out_level(PICO_DEFAULT_LED_PIN));
bool up = ((struct mg_tcpip_if *) arg)->state == MIP_STATE_READY;
MG_INFO(("Ethernet: %s", up ? "up" : "down")); // Show network status
}
int main(void) {
stdio_init_all();
MG_INFO(("Starting ..."));
// Init LED
gpio_init(LED);
gpio_set_dir(LED, GPIO_OUT);
// Init SPI pins
spi_init(spi0, 500 * 1000);
gpio_set_function(SPI_RX, GPIO_FUNC_SPI); // MISO
gpio_set_function(SPI_TX, GPIO_FUNC_SPI); // MOSI
gpio_set_function(SPI_CLK, GPIO_FUNC_SPI); // CLK
gpio_init(SPI_CS); // CS
gpio_set_dir(SPI_CS, GPIO_OUT); // Set CS it to output
gpio_put(SPI_CS, 1); // And drive CS high (inactive)
// Init Mongoose
struct mg_tcpip_spi spi = {NULL, spi_begin, spi_end, spi_txn};
struct mg_tcpip_if mif = {.mac = {2, 0, 1, 2, 3, 5},
.driver = &mg_tcpip_driver_w5500,
.driver_data = &spi};
struct mg_mgr mgr; // Declare event manager
mg_mgr_init(&mgr); // Init event manager
mg_log_set(MG_LL_DEBUG); // Set DEBUG log level
mg_tcpip_init(&mgr, &mif); // Init TCP/IP stack
mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_cb, &mif);
MG_INFO(("Waiting until network is up..."));
while (mif.state != MIP_STATE_READY) {
mg_mgr_poll(&mgr, 0);
}
MG_INFO(("Initialising application..."));
extern void device_dashboard_fn(struct mg_connection *, int, void *, void *);
mg_http_listen(&mgr, "http://0.0.0.0:80", device_dashboard_fn, NULL);
mg_http_listen(&mgr, "https://0.0.0.0:443", device_dashboard_fn, ""); // SSL
MG_INFO(("Starting event loop"));
for (;;) {
mg_mgr_poll(&mgr, 1);
}
return 0;
}