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examples/protocols/coap: use common network component

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This commit is contained in:
Ivan Grokhotkov
2018-11-21 00:43:52 +08:00
committed by bot
parent fbc407f088
commit ee3035257a
8 changed files with 37 additions and 160 deletions
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77
examples/protocols/coap_server/main/coap_server_example_main.c
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@@ -16,32 +16,17 @@
#include "esp_log.h"
#include "esp_wifi.h"
#include "esp_event_loop.h"
#include "esp_event.h"
#include "nvs_flash.h"
#include "protocol_examples_common.h"
#include "coap.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
/* Set this to 9 to get verbose logging from within libcoap */
#define COAP_LOGGING_LEVEL 0
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 static int CONNECTED_BIT = BIT0;
const static char *TAG = "CoAP_server";
static char espressif_data[100];
static int espressif_data_len = 0;
@@ -122,13 +107,6 @@ static void coap_example_thread(void *p)
coap_endpoint_t *ep_tcp = NULL;
unsigned wait_ms;
/* Wait for the callback to set the CONNECTED_BIT in the
event group.
*/
xEventGroupWaitBits(wifi_event_group, CONNECTED_BIT,
false, true, portMAX_DELAY);
ESP_LOGI(TAG, "Connected to AP");
/* Prepare the CoAP server socket */
coap_address_init(&serv_addr);
serv_addr.addr.sin.sin_family = AF_INET;
@@ -181,50 +159,17 @@ clean_up:
vTaskDelete(NULL);
}
static esp_err_t wifi_event_handler(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:
xEventGroupSetBits(wifi_event_group, CONNECTED_BIT);
break;
case SYSTEM_EVENT_STA_DISCONNECTED:
/* This is a workaround as ESP32 WiFi libs don't currently
auto-reassociate. */
esp_wifi_connect();
xEventGroupClearBits(wifi_event_group, CONNECTED_BIT);
break;
default:
break;
}
return ESP_OK;
}
static void wifi_conn_init(void)
{
tcpip_adapter_init();
wifi_event_group = xEventGroupCreate();
ESP_ERROR_CHECK( esp_event_loop_init(wifi_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_ERROR_CHECK( esp_wifi_set_mode(WIFI_MODE_STA) );
ESP_ERROR_CHECK( esp_wifi_set_config(WIFI_IF_STA, &wifi_config) );
ESP_ERROR_CHECK( esp_wifi_start() );
}
void app_main(void)
{
ESP_ERROR_CHECK( nvs_flash_init() );
wifi_conn_init();
tcpip_adapter_init();
ESP_ERROR_CHECK(esp_event_loop_create_default());
/* This helper function configures Wi-Fi or Ethernet, as selected in menuconfig.
* Read "Establishing Wi-Fi or Ethernet Connection" section in
* examples/protocols/README.md for more information about this function.
*/
ESP_ERROR_CHECK(example_connect());
xTaskCreate(coap_example_thread, "coap", 1024 * 5, NULL, 5, NULL);
}