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examples/system: use esp_event library to handle events

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This commit is contained in:
Ivan Grokhotkov 2018-11-20 18:25:25 +08:00
parent 2a48db0f48
commit 11355c4162
1 changed files with 10 additions and 12 deletions
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22
examples/system/console/main/cmd_wifi.c
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@ -17,7 +17,7 @@
#include "freertos/event_groups.h"
#include "esp_wifi.h"
#include "tcpip_adapter.h"
#include "esp_event_loop.h"
#include "esp_event.h"
#include "cmd_wifi.h"
#define JOIN_TIMEOUT_MS (10000)
@ -25,20 +25,16 @@
static EventGroupHandle_t wifi_event_group;
const int CONNECTED_BIT = BIT0;
static esp_err_t event_handler(void *ctx, system_event_t *event)
static void event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
switch (event->event_id) {
case SYSTEM_EVENT_STA_GOT_IP:
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
esp_wifi_connect();
xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
break;
default:
break;
} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
}
return ESP_OK;
}
static void initialise_wifi(void)
@ -50,9 +46,11 @@ static void initialise_wifi(void)
}
tcpip_adapter_init();
wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK( esp_event_loop_init(event_handler, NULL) );
ESP_ERROR_CHECK(esp_event_loop_create_default());
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
ESP_ERROR_CHECK( esp_wifi_init(&cfg) );
ESP_ERROR_CHECK( esp_event_handler_register(WIFI_EVENT, WIFI_EVENT_STA_DISCONNECTED, &event_handler, NULL) );
ESP_ERROR_CHECK( esp_event_handler_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &event_handler, NULL) );
ESP_ERROR_CHECK( esp_wifi_set_storage(WIFI_STORAGE_RAM) );
ESP_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_NULL) );
ESP_ERROR_CHECK( esp_wifi_start() );