70 lines
2.4 KiB
C
70 lines
2.4 KiB
C
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// Copyright (c) 2023 Cesanta Software Limited
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// All rights reserved
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#include "hal.h"
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#include "mongoose.h"
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#include "main.h"
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#define BLINK_PERIOD_MS 1000 // LED blinking period in millis
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uint64_t mg_millis(void) { // Let Mongoose use our uptime function
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return (uint64_t)HAL_GetTick(); // Return number of milliseconds since boot
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}
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void mg_random(void *buf, size_t len) { // Use on-board RNG
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extern RNG_HandleTypeDef hrng;
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for (size_t n = 0; n < len; n += sizeof(uint32_t)) {
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uint32_t r;
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HAL_RNG_GenerateRandomNumber(&hrng, &r);
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memcpy((char *) buf + n, &r, n + sizeof(r) > len ? len - n : sizeof(r));
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}
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}
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static void timer_fn(void *arg) {
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HAL_GPIO_TogglePin(GPIOB, GPIO_PIN_7); // Blink On-board blue LED
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struct mg_tcpip_if *ifp = arg; // And show
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const char *names[] = {"down", "up", "ready"}; // network stats
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MG_INFO(("Ethernet: %s, IP: %M, rx:%u, tx:%u, dr:%u, er:%u",
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names[ifp->state], mg_print_ip4, &ifp->ip, ifp->nrecv, ifp->nsent,
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ifp->ndrop, ifp->nerr));
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}
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extern void mx_init(void);
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int main(void) {
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mx_init(); // Setup clock and all peripherals configured in CubeMX
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// Initialise random number generator
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// Initialise ethernet pins
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MG_INFO(("Starting, CPU freq %g MHz", (double) SystemCoreClock / 1000000));
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struct mg_mgr mgr; // Initialise
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mg_mgr_init(&mgr); // Mongoose event manager
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mg_log_set(MG_LL_DEBUG); // Set log level
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// Initialise Mongoose network stack
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// Specify MAC address, and IP/mask/GW in network byte order for static
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// IP configuration. If IP/mask/GW are unset, DHCP is going to be used
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struct mg_tcpip_driver_stm32_data driver_data = {.mdc_cr = 4};
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struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
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.driver = &mg_tcpip_driver_stm32,
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.driver_data = &driver_data};
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mg_tcpip_init(&mgr, &mif);
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mg_timer_add(&mgr, BLINK_PERIOD_MS, MG_TIMER_REPEAT, timer_fn, &mif);
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MG_INFO(("MAC: %M. Waiting for IP...", mg_print_mac, mif.mac));
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while (mif.state != MG_TCPIP_STATE_READY) {
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mg_mgr_poll(&mgr, 0);
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}
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MG_INFO(("Initialising application..."));
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extern void device_dashboard_fn(struct mg_connection *, int, void *, void *);
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mg_http_listen(&mgr, "http://0.0.0.0", device_dashboard_fn, NULL);
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MG_INFO(("Starting event loop"));
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for (;;) {
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mg_mgr_poll(&mgr, 0);
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}
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return 0;
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}
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