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https://github.com/cesanta/mongoose.git
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114 lines
3.7 KiB
C
114 lines
3.7 KiB
C
// 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 "net.h"
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#define BLINK_PERIOD_MS 1000 // LED blinking period in millis
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static volatile uint64_t s_ticks; // Milliseconds since boot
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void SysTick_Handler(void) { // SyStick IRQ handler, triggered every 1ms
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s_ticks++;
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}
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uint64_t mg_millis(void) { // Let Mongoose use our uptime function
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return s_ticks; // 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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for (size_t n = 0; n < len; n += sizeof(uint32_t)) {
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uint32_t r = rng_read();
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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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#ifdef MQTT_DASHBOARD
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bool hal_gpio_write(int pin, bool status) { // For MQTT dashboard HAL
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gpio_write((uint16_t) pin, status);
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return true;
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}
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bool hal_gpio_read(int pin) { // For MQTT dashboard HAL
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return gpio_read((uint16_t) pin);
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}
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int hal_led_pin(void) {
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return (int) LED1;
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}
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uint64_t mg_now(void) {
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return mg_millis();
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}
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#endif
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static void timer_fn(void *arg) {
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gpio_toggle(LED); // Blink LED
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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",
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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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int main(void) {
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gpio_output(LED); // Setup green LED
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uart_init(UART_DEBUG, 115200); // Initialise debug printf
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ethernet_init(); // Initialise ethernet pins
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// User can customise the MQTT url, device ID or the root topic below
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#ifdef MQTT_DASHBOARD
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g_device_id = "H723ZG";
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#endif
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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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mg_ota_boot(); // Call bootloader: continue to load, or boot another FW
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#if MG_OTA == MG_OTA_FLASH
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// Demonstrate the use of mg_flash_{load/save} functions for keeping device
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// configuration data on flash. Increment boot count on every boot.
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struct deviceconfig {
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uint32_t boot_count;
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char some_other_data[40];
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};
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uint32_t key = 0x12345678; // A unique key, one per data type
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struct deviceconfig dc = {}; // Initialise to some default values
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mg_flash_load(NULL, key, &dc, sizeof(dc)); // Load from flash
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dc.boot_count++; // Increment boot count
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mg_flash_save(NULL, key, &dc, sizeof(dc)); // And save back
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MG_INFO(("Boot count: %u", dc.boot_count));
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#endif
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// Initialise Mongoose network stack
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struct mg_tcpip_driver_stm32h_data driver_data = {.mdc_cr = 4};
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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_stm32h,
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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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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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