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#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <freertos/FreeRTOS.h>
#include <freertos/task.h>
#include <esp_system.h>
#include <esp_event.h>
#include <esp_event_loop.h>
#include <esp_log.h>
#include <esp_err.h>
#include <esp_wifi.h>
#include <nvs_flash.h>
#include "eos.h"
#include "net.h"
#include "wifi.h"
static const char *TAG = "EOS";
static esp_err_t wifi_event_handler(void *ctx, system_event_t *event) {
switch(event->event_id) {
case SYSTEM_EVENT_SCAN_DONE:
break;
case SYSTEM_EVENT_STA_START:
break;
case SYSTEM_EVENT_STA_STOP:
break;
case SYSTEM_EVENT_STA_CONNECTED:
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
ESP_LOGI(TAG, "DISCONNECTED");
break;
case SYSTEM_EVENT_STA_GOT_IP:
ESP_LOGI(TAG, "********************************************");
ESP_LOGI(TAG, "* We are now connected to AP");
ESP_LOGI(TAG, "* - Our IP address is: " IPSTR, IP2STR(&event->event_info.got_ip.ip_info.ip));
ESP_LOGI(TAG, "********************************************");
unsigned char *buf = malloc(32);
buf[0] = EOS_WIFI_MTYPE_CONNECT;
eos_net_send(EOS_NET_MTYPE_WIFI, buf, 1, EOS_NET_FLAG_BUF_FREE);
break;
default: // Ignore the other event types
break;
}
return ESP_OK;
}
static void wifi_handler(unsigned char _mtype, unsigned char *buffer, uint16_t size) {
uint8_t mtype = buffer[0];
char *ssid, *pass;
switch (mtype) {
case EOS_WIFI_MTYPE_SCAN:
break;
case EOS_WIFI_MTYPE_CONNECT:
ssid = (char *)buffer+1;
pass = ssid+strlen(ssid)+1;
eos_wifi_connect(ssid, pass);
break;
case EOS_WIFI_MTYPE_DISCONNECT:
eos_wifi_disconnect();
break;
}
// eos_wifi_connect((char *)buffer, (char *)(buffer+strlen((char *)buffer)+1));
}
void eos_wifi_init(void) {
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
wifi_config_t wifi_config;
memset(&wifi_config, 0, sizeof(wifi_config));
tcpip_adapter_init();
// ESP_ERROR_CHECK( nvs_flash_init() );
ESP_ERROR_CHECK( esp_event_loop_init(wifi_event_handler, NULL) );
ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
ESP_ERROR_CHECK( esp_wifi_start() );
eos_net_set_handler(EOS_NET_MTYPE_WIFI, wifi_handler);
}
void eos_wifi_connect(char *ssid, char *pass) {
wifi_config_t wifi_config;
memset(&wifi_config, 0, sizeof(wifi_config));
strncpy((char *)wifi_config.sta.ssid, ssid, 31);
strncpy((char *)wifi_config.sta.password, pass, 63);
ESP_ERROR_CHECK( esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
ESP_ERROR_CHECK( esp_wifi_connect() );
}
void eos_wifi_disconnect(void) {
ESP_ERROR_CHECK( esp_wifi_disconnect() );
}
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