mongoose/examples/ESP8266_RTOS/user/user_main.c
Deomid Ryabkov b6d700077a Add websocket data feed, send temperature data
PUBLISHED_FROM=e56601f99ccf80d8420b4b54b0ef7c272ec4a656
2016-03-25 17:10:56 +00:00

114 lines
3.0 KiB
C

/*
* Copyright (c) 2015 Cesanta Software Limited
* All rights reserved
*/
#include "esp_common.h"
#include "mongoose.h"
#define AP_SSID "Mongoose"
#define AP_PASS "Mongoose"
#define AP_CHAN 9
#define MG_LISTEN_ADDR "80"
#define MG_TASK_STACK_SIZE 4096
#define MG_TASK_PRIORITY 1
void uart_div_modify(int uart_no, unsigned int freq);
void ev_handler(struct mg_connection *nc, int ev, void *p) {
static const char *reply_fmt =
"HTTP/1.0 200 OK\r\n"
"Connection: close\r\n"
"Content-Type: text/plain\r\n"
"\r\n"
"Hello %s\n";
LOG(LL_DEBUG, ("conn %p ev %d", nc, ev));
switch (ev) {
case MG_EV_ACCEPT: {
char addr[32];
mg_sock_addr_to_str(&nc->sa, addr, sizeof(addr),
MG_SOCK_STRINGIFY_IP | MG_SOCK_STRINGIFY_PORT);
LOG(LL_INFO, ("Connection %p from %s", nc, addr));
break;
}
case MG_EV_HTTP_REQUEST: {
char addr[32];
struct http_message *hm = (struct http_message *) p;
mg_sock_addr_to_str(&nc->sa, addr, sizeof(addr),
MG_SOCK_STRINGIFY_IP | MG_SOCK_STRINGIFY_PORT);
LOG(LL_INFO,
("HTTP request from %s: %.*s %.*s", addr, (int) hm->method.len,
hm->method.p, (int) hm->uri.len, hm->uri.p));
mg_printf(nc, reply_fmt, addr);
nc->flags |= MG_F_SEND_AND_CLOSE;
break;
}
case MG_EV_CLOSE: {
LOG(LL_INFO, ("Connection %p closed", nc));
break;
}
}
}
void setup_ap() {
int off = 0;
struct ip_info info;
struct softap_config cfg;
wifi_set_opmode_current(SOFTAP_MODE);
memset(&cfg, 0, sizeof(cfg));
strcpy((char *) cfg.ssid, AP_SSID);
strcpy((char *) cfg.password, AP_PASS);
cfg.ssid_len = strlen((const char *) cfg.ssid);
cfg.authmode =
strlen((const char *) cfg.password) ? AUTH_WPA2_PSK : AUTH_OPEN;
cfg.channel = AP_CHAN;
cfg.ssid_hidden = 0;
cfg.max_connection = 10;
cfg.beacon_interval = 100; /* ms */
LOG(LL_INFO, ("Setting up AP '%s' on channel %d", cfg.ssid, cfg.channel));
wifi_softap_set_config_current(&cfg);
wifi_softap_dhcps_stop();
wifi_softap_set_dhcps_offer_option(OFFER_ROUTER, &off);
wifi_softap_dhcps_start();
wifi_get_ip_info(SOFTAP_IF, &info);
LOG(LL_INFO, ("WiFi AP: SSID %s, channel %d, IP " IPSTR "", cfg.ssid,
cfg.channel, IP2STR(&info.ip)));
}
static void mg_task(void *arg) {
struct mg_mgr mgr;
struct mg_connection *nc;
cs_log_set_level(LL_INFO);
LOG(LL_INFO, ("SDK version: %s", system_get_sdk_version()));
setup_ap();
mg_mgr_init(&mgr, NULL);
nc = mg_bind(&mgr, MG_LISTEN_ADDR, ev_handler);
if (nc == NULL) {
LOG(LL_ERROR, ("Error setting up listener!"));
return;
}
mg_set_protocol_http_websocket(nc);
while (1) {
mg_mgr_poll(&mgr, 1000);
}
}
xTaskHandle s_mg_task_handle;
void user_init(void) {
uart_div_modify(0, UART_CLK_FREQ / 115200);
xTaskCreate(mg_task, (const signed char *) "mongoose", MG_TASK_STACK_SIZE,
NULL, MG_TASK_PRIORITY, &s_mg_task_handle);
}