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#include "esp_err.h"
#include "esp_log.h"
#include "esp_system.h"
#include "nvs_flash.h"
#include "esp_wifi.h"
#include "esp_event_loop.h"
#include <string.h>
#include <unistd.h>
#include <fcntl.h>
#include "freertos/event_groups.h"
#include "esp_event.h"
#include "esp_wps.h"
#include "esp_interface.h"
#include "esp_wifi_types.h"
#include "esp_wifi.h"
#include "nvs.h"
#include "driver/uart.h"
static esp_err_t _EventHandler(void *ctx, system_event_t *event)
{
switch(event->event_id) {
case SYSTEM_EVENT_STA_START:
esp_wifi_connect();
break;
case SYSTEM_EVENT_STA_GOT_IP:
printf("Got IP.....\n");
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
esp_wifi_connect();
printf("WLAN Disconnected\n");
break;
case SYSTEM_EVENT_AP_START:
break;
case SYSTEM_EVENT_STA_WPS_ER_SUCCESS:
break;
case SYSTEM_EVENT_AP_STACONNECTED:
break;
default:
break;
}
return ESP_OK;
}
void app_main() {
if(ESP_OK != nvs_flash_init())
{
printf("Failed to initialize nvs\n");
}
uart_config_t uart_config = {
.baud_rate = 115200, //baudrate
.data_bits = UART_DATA_8_BITS, //data bit mode
.parity = UART_PARITY_DISABLE, //parity mode
.stop_bits = UART_STOP_BITS_1, //stop bit mode
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE, //hardware flow control(cts/rts)
.rx_flow_ctrl_thresh = 120, //flow control threshold
};
// Configure UART Parameter
if(ESP_OK != uart_param_config(UART_NUM_0, &uart_config))
{
printf("Failed to configure uart parameters\n");
}
if(ESP_OK != uart_driver_install(UART_NUM_0, 512, 512, 0, 0, 0))
{
printf("Failed to initialize driver\n");
}
esp_err_t ret;
tcpip_adapter_init();
ret = esp_event_loop_init(_EventHandler, NULL);
if(ret != ESP_OK)
{
printf("Failed to initialize event loop : %d\n", ret);
}
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
#if 1
// Init Wi-Fi
ret = esp_wifi_init(&cfg);
if(ret != ESP_OK)
{
printf("Failed to initialize Wi-Fi : %d\n", ret);
}
#endif
int bytes = uart_write_bytes(UART_NUM_0, "Hello!\r\n", strlen("Hello!\r\n"));
printf("Wrote: %d bytes\n", bytes);
}