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https://github.com/cesanta/mongoose.git
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86 lines
2.9 KiB
C
86 lines
2.9 KiB
C
// Copyright (c) 2023 Cesanta Software Limited
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#include "hal.h"
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#include "mongoose.h"
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#include "net.h"
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#define BLINK_PERIOD_MS 1000 // LED_PIN blinking period in millis
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// This flash space resides at after the 0-wait 320k area
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static char *s_flash_space = (char *) (0x8000000 + 320 * 1024);
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bool web_load_settings(void *buf, size_t len) {
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if (*(uint32_t *) s_flash_space != SETTINGS_MAGIC) return false;
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memcpy(buf, s_flash_space, len);
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return true;
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}
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bool web_save_settings(void *buf, size_t len) {
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return mg_flash_write(s_flash_space, buf, len);
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}
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static void timer_fn(void *arg) {
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gpio_toggle(LED_PIN); // Blink LED_PIN
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struct mg_tcpip_if *ifp = arg; // And show
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const char *names[] = {"down", "up", "req", "ready"}; // network stats
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MG_INFO(("Ethernet: %s, IP: %M, rx:%u, tx:%u, dr:%u, er:%u RAM: %lu/%lu",
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names[ifp->state], mg_print_ip4, &ifp->ip, ifp->nrecv, ifp->nsent,
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ifp->ndrop, ifp->nerr, hal_ram_used(), hal_ram_free()));
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}
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// https://mongoose.ws/documentation/#2-minute-integration-guide
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static void fn(struct mg_connection *c, int ev, void *ev_data) {
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if (ev == MG_EV_HTTP_MSG) {
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struct mg_http_message *hm = (struct mg_http_message *) ev_data;
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mg_http_reply(c, 200, "", "ok %p\r\n", hm);
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}
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}
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int main(void) {
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struct mg_mgr mgr;
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hal_init();
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mg_mgr_init(&mgr);
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mg_log_set(MG_LL_DEBUG);
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MG_INFO(("Starting, CPU freq %g MHz", (double) SystemCoreClock / 1000000));
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// Print chip RAM/Flash configuration, and set to 64/256
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const char *sizes[] = {"128/192", "96/224", "64/256", "32/288"};
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uint32_t mode = (FLASH->OBR >> 8) & 3U;
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MG_INFO(("RAM/FLASH configuration: %s", sizes[mode]));
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// if (mode != 2) set_ram_size(2);
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extern char _end[], _heap_end[];
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MG_INFO(("Heap size: %lu bytes. RAM: used %lu, free %lu", _heap_end - _end,
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hal_ram_used(), hal_ram_free()));
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// Initialise Mongoose network stack
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struct mg_tcpip_driver_stm32f_data driver_data = {.mdc_cr = 1, .phy_addr = 1};
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struct mg_tcpip_if mif = {.mac = GENERATE_LOCALLY_ADMINISTERED_MAC(),
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// Uncomment below for static configuration:
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// .ip = mg_htonl(MG_U32(192, 168, 0, 223)),
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// .mask = mg_htonl(MG_U32(255, 255, 255, 0)),
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// .gw = mg_htonl(MG_U32(192, 168, 0, 1)),
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.driver = &mg_tcpip_driver_stm32f,
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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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mg_http_listen(&mgr, "http://0.0.0.0:8000", fn, NULL);
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web_init(&mgr);
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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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