mirror of
https://github.com/cesanta/mongoose.git
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129 lines
4.1 KiB
C
129 lines
4.1 KiB
C
// Copyright (c) 2022-2023 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 "tusb.h"
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#define LED1 PIN('N', 1) // On-board LED pin
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#define LED2 PIN('N', 0) // On-board LED pin
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#define LED3 PIN('F', 4) // On-board LED pin
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#define LED4 PIN('F', 0) // On-board LED pin
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static struct mg_tcpip_if *s_ifp;
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const uint8_t tud_network_mac_address[6] = {2, 2, 0x84, 0x6A, 0x96, 0};
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static void blink_cb(void *arg) { // Blink periodically
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gpio_toggle(LED1);
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(void) arg;
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}
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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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bool tud_network_recv_cb(const uint8_t *buf, uint16_t len) {
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mg_tcpip_qwrite((void *) buf, len, s_ifp);
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// MG_INFO(("RECV %hu", len));
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// mg_hexdump(buf, len);
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tud_network_recv_renew();
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return true;
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}
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void tud_network_init_cb(void) {
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}
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void USB0_Handler(void) { // USB interrupt handler
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tud_int_handler(0); // Pass control to TinyUSB
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}
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uint16_t tud_network_xmit_cb(uint8_t *dst, void *ref, uint16_t arg) {
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// MG_INFO(("SEND %hu", arg));
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memcpy(dst, ref, arg);
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return arg;
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}
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static size_t usb_tx(const void *buf, size_t len, struct mg_tcpip_if *ifp) {
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if (!tud_ready()) return 0;
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while (!tud_network_can_xmit(len)) tud_task();
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tud_network_xmit((void *) buf, len);
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(void) ifp;
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return len;
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}
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static bool usb_up(struct mg_tcpip_if *ifp) {
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(void) ifp;
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return tud_inited() && tud_ready() && tud_connected();
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}
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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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if (mg_http_match_uri(hm, "/api/debug")) {
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int level = mg_json_get_long(hm->body, "$.level", MG_LL_DEBUG);
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mg_log_set(level);
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mg_http_reply(c, 200, "", "Debug level set to %d\n", level);
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} else {
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mg_http_reply(c, 200, "", "hi\n");
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}
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}
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}
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int main(void) {
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gpio_output(LED1); // Setup blue LED
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uart_init(UART_DEBUG, 115200); // Initialise debug printf
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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_INFO(("Init TCP/IP stack ..."));
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struct mg_tcpip_driver driver = {.tx = usb_tx, .up = usb_up};
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struct mg_tcpip_if mif = {.mac = {2, 0, 1, 2, 3, 0x77},
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.ip = mg_htonl(MG_U32(192, 168, 3, 1)),
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.mask = mg_htonl(MG_U32(255, 255, 255, 0)),
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.enable_dhcp_server = true,
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.driver = &driver,
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.recv_queue.size = 4096};
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s_ifp = &mif;
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mg_tcpip_init(&mgr, &mif);
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mg_timer_add(&mgr, 500, MG_TIMER_REPEAT, blink_cb, &mgr);
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mg_http_listen(&mgr, "tcp://0.0.0.0:80", fn, &mgr);
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MG_INFO(("Init USB ..."));
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gpio_init(PIN('L', 6), GPIO_MODE_ANALOG, GPIO_OTYPE_PUSH_PULL,
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GPIO_SPEED_HIGH, GPIO_PULL_NONE, 0); // D_P
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gpio_init(PIN('L', 7), GPIO_MODE_ANALOG, GPIO_OTYPE_PUSH_PULL,
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GPIO_SPEED_HIGH, GPIO_PULL_NONE, 0); // D_N
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gpio_init(PIN('B', 1), GPIO_MODE_ANALOG, GPIO_OTYPE_PUSH_PULL,
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GPIO_SPEED_HIGH, GPIO_PULL_NONE, 0); // VBUS
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gpio_init(PIN('B', 0), GPIO_MODE_ANALOG, GPIO_OTYPE_PUSH_PULL,
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GPIO_SPEED_HIGH, GPIO_PULL_NONE, 0); // ID
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SYSCTL->RCGCUSB |= BIT(0); // Enable USB clock
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SYSCTL->SRUSB |= BIT(0); // Reset peripheral
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SYSCTL->SRUSB &= ~BIT(0);
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USB0->CC = 0x207; // Enable clock and configure divisor for 60MHz clock
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USB0->GPCS = 3;
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USB0->LPMCNTRL &= ~BIT(0);
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USB0->LPMCNTRL = 0;
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MG_INFO(("USB Controller version %d", 1 + (USB0->PP & 0xF)));
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MG_INFO(("IS: %x", USB0->IS));
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if (USB0->EPCISC & BIT(0)) // check PF flag,
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USB0->EPCISC |= BIT(0); // clear PF interrupt if so
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tusb_init();
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MG_INFO(("Init done, starting main loop ..."));
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for (;;) {
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mg_mgr_poll(&mgr, 0);
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tud_task();
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}
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return 0;
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}
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