espressif/ESP8266_RTOS_SDK
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feat(esp_event): examples use esp_event instead of old event process

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This commit is contained in:
Dong Heng
2020-01-15 16:26:34 +08:00
parent 562e183216
commit 4dee04c03b
172 changed files with 1347 additions and 3443 deletions
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94
examples/protocols/sntp/main/sntp_example_main.c
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@ -12,34 +12,17 @@
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event_loop.h"
#include "esp_log.h"
#include "esp_netif.h"
#include "esp_event.h"
#include "protocol_examples_common.h"
#include "nvs.h"
#include "nvs_flash.h"
#include "driver/gpio.h"
#include "lwip/apps/sntp.h"
/* The examples use simple WiFi configuration that you can set via
'make menuconfig'.
If you'd rather not, just change the below entries to strings with
the config you want - ie #define EXAMPLE_WIFI_SSID "mywifissid"
*/
#define EXAMPLE_WIFI_SSID CONFIG_WIFI_SSID
#define EXAMPLE_WIFI_PASS CONFIG_WIFI_PASSWORD
/* FreeRTOS event group to signal when we are connected & ready to make a request */
static EventGroupHandle_t wifi_event_group;
/* The event group allows multiple bits for each event,
but we only care about one event - are we connected
to the AP with an IP? */
const int CONNECTED_BIT = BIT0;
static const char *TAG = "sntp_example";
static void initialize_sntp(void)
@ -52,8 +35,6 @@ static void initialize_sntp(void)
static void obtain_time(void)
{
xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT,
false, true, portMAX_DELAY);
initialize_sntp();
// wait for time to be set
@ -70,37 +51,6 @@ static void obtain_time(void)
}
}
static esp_err_t event_handler(void *ctx, system_event_t *event)
{
/* For accessing reason codes in case of disconnection */
system_event_info_t *info = &event->event_info;
switch (event->event_id) {
case SYSTEM_EVENT_STA_START:
esp_wifi_connect();
break;
case SYSTEM_EVENT_STA_GOT_IP:
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
ESP_LOGE(TAG, "Disconnect reason : %d", info->disconnected.reason);
if (info->disconnected.reason == WIFI_REASON_BASIC_RATE_NOT_SUPPORT) {
/*Switch to 802.11 bgn mode */
esp_wifi_set_protocol(ESP_IF_WIFI_STA, WIFI_PROTOCAL_11B | WIFI_PROTOCAL_11G | WIFI_PROTOCAL_11N);
}
esp_wifi_connect();
xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
break;
default:
break;
}
return ESP_OK;
}
static void sntp_example_task(void *arg)
{
time_t now;
@ -141,39 +91,13 @@ static void sntp_example_task(void *arg)
}
}
static void initialise_wifi(void)
{
tcpip_adapter_init();
wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL));
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM));
wifi_config_t wifi_config = {
.sta = {
.ssid = EXAMPLE_WIFI_SSID,
.password = EXAMPLE_WIFI_PASS,
},
};
ESP_LOGI(TAG, "Setting WiFi configuration SSID %s...", wifi_config.sta.ssid);
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());
}
void app_main()
{
//Initialize NVS
esp_err_t ret = nvs_flash_init();
ESP_ERROR_CHECK(nvs_flash_init());
ESP_ERROR_CHECK(esp_netif_init());
ESP_ERROR_CHECK(esp_event_loop_create_default());
if (ret == ESP_ERR_NVS_NO_FREE_PAGES) {
ESP_ERROR_CHECK(nvs_flash_erase());
ret = nvs_flash_init();
}
ESP_ERROR_CHECK(ret);
initialise_wifi();
ESP_ERROR_CHECK(example_connect());
// SNTP service uses LwIP, please allocate large stack space.
xTaskCreate(sntp_example_task, "sntp_example_task", 2048, NULL, 10, NULL);