2017-04-13 11:14:01 +00:00
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/* tcp_perf Example
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This example code is in the Public Domain (or CC0 licensed, at your option.)
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Unless required by applicable law or agreed to in writing, this
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software is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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CONDITIONS OF ANY KIND, either express or implied.
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*/
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2017-03-31 08:34:12 +00:00
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#include <string.h>
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#include <sys/socket.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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2017-04-13 11:14:01 +00:00
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#include "freertos/event_groups.h"
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2017-03-31 08:34:12 +00:00
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#include "esp_wifi.h"
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#include "esp_event_loop.h"
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#include "esp_log.h"
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2017-03-20 05:43:04 +00:00
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#include "tcp_perf.h"
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2017-04-13 11:14:01 +00:00
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/* FreeRTOS event group to signal when we are connected to wifi */
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EventGroupHandle_t tcp_event_group;
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2017-03-20 05:43:04 +00:00
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/*socket*/
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2017-04-10 12:39:04 +00:00
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static int server_socket = 0;
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static struct sockaddr_in server_addr;
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2017-03-20 05:43:04 +00:00
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static struct sockaddr_in client_addr;
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static unsigned int socklen = sizeof(client_addr);
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2017-04-10 12:39:04 +00:00
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static int connect_socket = 0;
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int total_data = 0;
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2017-04-13 11:14:01 +00:00
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#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
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2017-04-10 12:39:04 +00:00
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int total_pack = 0;
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int send_success = 0;
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int send_fail = 0;
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int delay_classify[5] = { 0 };
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2017-04-13 11:14:01 +00:00
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#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
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2017-04-10 12:39:04 +00:00
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2017-03-20 05:43:04 +00:00
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static esp_err_t event_handler(void *ctx, system_event_t *event)
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{
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switch(event->event_id) {
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case SYSTEM_EVENT_STA_START:
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esp_wifi_connect();
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break;
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case SYSTEM_EVENT_STA_DISCONNECTED:
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esp_wifi_connect();
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2017-04-13 11:14:01 +00:00
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xEventGroupClearBits(tcp_event_group, WIFI_CONNECTED_BIT);
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2017-03-20 05:43:04 +00:00
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break;
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case SYSTEM_EVENT_STA_CONNECTED:
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break;
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case SYSTEM_EVENT_STA_GOT_IP:
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2017-03-21 12:06:32 +00:00
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ESP_LOGI(TAG, "got ip:%s\n",
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ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
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2017-04-13 11:14:01 +00:00
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xEventGroupSetBits(tcp_event_group, WIFI_CONNECTED_BIT);
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2017-03-20 05:43:04 +00:00
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break;
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case SYSTEM_EVENT_AP_STACONNECTED:
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ESP_LOGI(TAG, "station:"MACSTR" join,AID=%d\n",
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2017-03-21 12:06:32 +00:00
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MAC2STR(event->event_info.sta_connected.mac),
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event->event_info.sta_connected.aid);
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2017-04-13 11:14:01 +00:00
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xEventGroupSetBits(tcp_event_group, WIFI_CONNECTED_BIT);
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2017-03-20 05:43:04 +00:00
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break;
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case SYSTEM_EVENT_AP_STADISCONNECTED:
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ESP_LOGI(TAG, "station:"MACSTR"leave,AID=%d\n",
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2017-03-21 12:06:32 +00:00
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MAC2STR(event->event_info.sta_disconnected.mac),
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event->event_info.sta_disconnected.aid);
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2017-04-13 11:14:01 +00:00
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xEventGroupClearBits(tcp_event_group, WIFI_CONNECTED_BIT);
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2017-03-20 05:43:04 +00:00
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break;
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default:
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break;
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}
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return ESP_OK;
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}
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//send data
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void send_data(void *pvParameters)
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{
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2017-03-21 12:06:32 +00:00
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int len = 0;
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2017-04-13 11:14:01 +00:00
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char databuff[EXAMPLE_DEFAULT_PKTSIZE];
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memset(databuff, EXAMPLE_PACK_BYTE_IS, EXAMPLE_DEFAULT_PKTSIZE);
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2017-03-21 12:06:32 +00:00
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vTaskDelay(100/portTICK_RATE_MS);
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ESP_LOGI(TAG, "start sending...");
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2017-04-13 11:14:01 +00:00
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#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
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2017-03-21 12:06:32 +00:00
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//delaytime
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struct timeval tv_start;
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struct timeval tv_finish;
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unsigned long send_delay_ms;
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2017-04-13 11:14:01 +00:00
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#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
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2017-03-21 12:06:32 +00:00
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while(1) {
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2017-03-20 05:43:04 +00:00
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2017-04-13 11:14:01 +00:00
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#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
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2017-04-10 12:39:04 +00:00
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total_pack++;
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2017-03-21 12:06:32 +00:00
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gettimeofday(&tv_start, NULL);
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2017-04-13 11:14:01 +00:00
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#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
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2017-03-21 12:06:32 +00:00
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//send function
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2017-04-13 11:14:01 +00:00
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len = send(connect_socket, databuff, EXAMPLE_DEFAULT_PKTSIZE, 0);
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2017-03-20 05:43:04 +00:00
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2017-04-13 11:14:01 +00:00
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#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
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2017-03-21 12:06:32 +00:00
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gettimeofday(&tv_finish, NULL);
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2017-04-13 11:14:01 +00:00
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#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
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2017-03-21 12:06:32 +00:00
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if(len > 0) {
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2017-04-10 12:39:04 +00:00
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total_data += len;
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2017-03-21 12:06:32 +00:00
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2017-04-13 11:14:01 +00:00
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#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
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2017-03-21 12:06:32 +00:00
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send_success++;
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send_delay_ms = (tv_finish.tv_sec - tv_start.tv_sec) * 1000
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+ (tv_finish.tv_usec - tv_start.tv_usec) / 1000;
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if(send_delay_ms < 30)
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delay_classify[0]++;
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else if(send_delay_ms < 100)
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delay_classify[1]++;
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else if(send_delay_ms < 300)
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delay_classify[2]++;
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else if(send_delay_ms < 1000)
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delay_classify[3]++;
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else
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delay_classify[4]++;
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2017-04-13 11:14:01 +00:00
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#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
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2017-03-21 12:06:32 +00:00
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2017-04-13 11:14:01 +00:00
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} else {
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2017-03-21 12:06:32 +00:00
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2017-04-13 11:14:01 +00:00
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#if EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO
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2017-03-21 12:06:32 +00:00
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send_fail++;
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2017-04-13 11:14:01 +00:00
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#endif /*EXAMPLE_ESP_TCP_PERF_TX && EXAMPLE_ESP_TCP_DELAY_INFO*/
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if (LOG_LOCAL_LEVEL >= ESP_LOG_DEBUG) {
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show_socket_error_reason(connect_socket);
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}
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} /*if(len > 0)*/
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2017-03-21 12:06:32 +00:00
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}
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2017-03-20 05:43:04 +00:00
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}
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2017-03-21 12:06:32 +00:00
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//receive data
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2017-03-20 05:43:04 +00:00
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void recv_data(void *pvParameters)
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{
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2017-03-21 12:06:32 +00:00
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int len = 0;
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2017-04-13 11:14:01 +00:00
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char databuff[EXAMPLE_DEFAULT_PKTSIZE];
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2017-03-21 12:06:32 +00:00
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while (1) {
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2017-04-13 11:14:01 +00:00
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len = recv(connect_socket, databuff, EXAMPLE_DEFAULT_PKTSIZE, 0);
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2017-03-21 12:06:32 +00:00
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if (len > 0) {
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2017-04-10 12:39:04 +00:00
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total_data += len;
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2017-04-13 11:14:01 +00:00
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} else {
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if (LOG_LOCAL_LEVEL >= ESP_LOG_DEBUG) {
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show_socket_error_reason(connect_socket);
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}
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vTaskDelay(100 / portTICK_RATE_MS);
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2017-03-21 12:06:32 +00:00
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}
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}
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2017-03-20 05:43:04 +00:00
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}
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2017-03-21 12:06:32 +00:00
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2017-04-10 12:39:04 +00:00
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//use this esp32 as a tcp server. return ESP_OK:success ESP_FAIL:error
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esp_err_t create_tcp_server()
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2017-03-20 05:43:04 +00:00
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{
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2017-04-13 11:14:01 +00:00
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ESP_LOGI(TAG, "server socket....port=%d\n", EXAMPLE_DEFAULT_PORT);
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2017-04-10 12:39:04 +00:00
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server_socket = socket(AF_INET, SOCK_STREAM, 0);
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if (server_socket < 0) {
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2017-04-13 11:14:01 +00:00
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show_socket_error_reason(server_socket);
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2017-03-31 08:34:12 +00:00
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return ESP_FAIL;
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2017-03-21 12:06:32 +00:00
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}
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2017-04-10 12:39:04 +00:00
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server_addr.sin_family = AF_INET;
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2017-04-13 11:14:01 +00:00
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server_addr.sin_port = htons(EXAMPLE_DEFAULT_PORT);
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2017-04-10 12:39:04 +00:00
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server_addr.sin_addr.s_addr = htonl(INADDR_ANY);
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if (bind(server_socket, (struct sockaddr*)&server_addr, sizeof(server_addr)) < 0) {
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2017-04-13 11:14:01 +00:00
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show_socket_error_reason(server_socket);
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2017-04-10 12:39:04 +00:00
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close(server_socket);
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2017-03-31 08:34:12 +00:00
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return ESP_FAIL;
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2017-03-21 12:06:32 +00:00
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}
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2017-04-10 12:39:04 +00:00
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if (listen(server_socket, 5) < 0) {
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2017-04-13 11:14:01 +00:00
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show_socket_error_reason(server_socket);
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2017-04-10 12:39:04 +00:00
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close(server_socket);
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2017-03-31 08:34:12 +00:00
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return ESP_FAIL;
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2017-03-21 12:06:32 +00:00
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}
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2017-04-10 12:39:04 +00:00
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connect_socket = accept(server_socket, (struct sockaddr*)&client_addr, &socklen);
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if (connect_socket<0) {
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2017-04-13 11:14:01 +00:00
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show_socket_error_reason(connect_socket);
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2017-04-10 12:39:04 +00:00
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close(server_socket);
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2017-03-31 08:34:12 +00:00
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return ESP_FAIL;
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2017-03-21 12:06:32 +00:00
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}
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/*connection established,now can send/recv*/
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ESP_LOGI(TAG, "tcp connection established!");
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2017-03-31 08:34:12 +00:00
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return ESP_OK;
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2017-03-20 05:43:04 +00:00
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}
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2017-03-31 08:34:12 +00:00
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//use this esp32 as a tcp client. return ESP_OK:success ESP_FAIL:error
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2017-04-10 12:39:04 +00:00
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esp_err_t create_tcp_client()
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2017-03-20 05:43:04 +00:00
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{
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2017-04-10 12:39:04 +00:00
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ESP_LOGI(TAG, "client socket....serverip:port=%s:%d\n",
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2017-04-13 11:14:01 +00:00
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EXAMPLE_DEFAULT_SERVER_IP, EXAMPLE_DEFAULT_PORT);
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2017-04-10 12:39:04 +00:00
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connect_socket = socket(AF_INET, SOCK_STREAM, 0);
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if (connect_socket < 0) {
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2017-04-13 11:14:01 +00:00
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show_socket_error_reason(connect_socket);
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2017-03-31 08:34:12 +00:00
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return ESP_FAIL;
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2017-03-21 12:06:32 +00:00
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}
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2017-04-10 12:39:04 +00:00
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server_addr.sin_family = AF_INET;
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2017-04-13 11:14:01 +00:00
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server_addr.sin_port = htons(EXAMPLE_DEFAULT_PORT);
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server_addr.sin_addr.s_addr = inet_addr(EXAMPLE_DEFAULT_SERVER_IP);
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2017-04-10 12:39:04 +00:00
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ESP_LOGI(TAG, "connecting to server...");
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if (connect(connect_socket, (struct sockaddr *)&server_addr, sizeof(server_addr)) < 0) {
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2017-04-13 11:14:01 +00:00
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show_socket_error_reason(connect_socket);
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2017-03-31 08:34:12 +00:00
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return ESP_FAIL;
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2017-03-21 12:06:32 +00:00
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}
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2017-04-10 12:39:04 +00:00
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ESP_LOGI(TAG, "connect to server success!");
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2017-03-31 08:34:12 +00:00
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return ESP_OK;
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2017-03-20 05:43:04 +00:00
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}
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//wifi_init_sta
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void wifi_init_sta()
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{
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2017-04-13 11:14:01 +00:00
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tcp_event_group = xEventGroupCreate();
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2017-03-20 05:43:04 +00:00
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tcpip_adapter_init();
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2017-03-21 12:06:32 +00:00
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ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL) );
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2017-03-20 05:43:04 +00:00
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wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
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ESP_ERROR_CHECK(esp_wifi_init(&cfg));
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wifi_config_t wifi_config = {
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.sta = {
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2017-04-13 11:14:01 +00:00
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.ssid = EXAMPLE_DEFAULT_SSID,
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.password = EXAMPLE_DEFAULT_PWD
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2017-03-20 05:43:04 +00:00
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},
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};
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2017-03-21 12:06:32 +00:00
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ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA) );
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ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_STA, &wifi_config) );
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ESP_ERROR_CHECK(esp_wifi_start() );
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2017-03-20 05:43:04 +00:00
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ESP_LOGI(TAG, "wifi_init_sta finished.");
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2017-03-21 12:06:32 +00:00
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ESP_LOGI(TAG, "connect to ap SSID:%s password:%s \n",
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2017-04-13 11:14:01 +00:00
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EXAMPLE_DEFAULT_SSID,EXAMPLE_DEFAULT_PWD);
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2017-03-20 05:43:04 +00:00
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}
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|
//wifi_init_softap
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void wifi_init_softap()
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|
{
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2017-04-13 11:14:01 +00:00
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tcp_event_group = xEventGroupCreate();
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2017-03-20 05:43:04 +00:00
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tcpip_adapter_init();
|
2017-03-21 12:06:32 +00:00
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ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL));
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2017-03-20 05:43:04 +00:00
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wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
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|
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ESP_ERROR_CHECK(esp_wifi_init(&cfg));
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|
|
|
wifi_config_t wifi_config = {
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|
|
|
|
.ap = {
|
2017-04-13 11:14:01 +00:00
|
|
|
|
.ssid = EXAMPLE_DEFAULT_SSID,
|
2017-03-23 08:36:32 +00:00
|
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.ssid_len = 0,
|
2017-04-13 11:14:01 +00:00
|
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|
|
.max_connection=EXAMPLE_MAX_STA_CONN,
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|
|
|
|
.password = EXAMPLE_DEFAULT_PWD,
|
2017-03-23 08:36:32 +00:00
|
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|
|
.authmode = WIFI_AUTH_WPA_WPA2_PSK
|
2017-03-20 05:43:04 +00:00
|
|
|
|
},
|
|
|
|
|
};
|
2017-04-13 11:14:01 +00:00
|
|
|
|
if (strlen(EXAMPLE_DEFAULT_PWD) ==0) {
|
2017-03-23 08:36:32 +00:00
|
|
|
|
wifi_config.ap.authmode = WIFI_AUTH_OPEN;
|
|
|
|
|
}
|
2017-03-20 05:43:04 +00:00
|
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|
|
|
2017-03-21 12:06:32 +00:00
|
|
|
|
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
|
|
|
|
|
ESP_ERROR_CHECK(esp_wifi_set_config(ESP_IF_WIFI_AP, &wifi_config));
|
|
|
|
|
ESP_ERROR_CHECK(esp_wifi_start());
|
2017-03-20 05:43:04 +00:00
|
|
|
|
|
2017-03-21 12:06:32 +00:00
|
|
|
|
ESP_LOGI(TAG, "wifi_init_softap finished.SSID:%s password:%s \n",
|
2017-04-13 11:14:01 +00:00
|
|
|
|
EXAMPLE_DEFAULT_SSID, EXAMPLE_DEFAULT_PWD);
|
2017-03-20 05:43:04 +00:00
|
|
|
|
}
|
|
|
|
|
|
2017-03-23 08:36:32 +00:00
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
2017-04-13 11:14:01 +00:00
|
|
|
|
int get_socket_error_code(int socket)
|
2017-03-23 08:36:32 +00:00
|
|
|
|
{
|
2017-04-13 11:14:01 +00:00
|
|
|
|
int result;
|
|
|
|
|
u32_t optlen = sizeof(int);
|
|
|
|
|
if(getsockopt(socket, SOL_SOCKET, SO_ERROR, &result, &optlen) == -1) {
|
|
|
|
|
ESP_LOGE(TAG, "getsockopt failed");
|
|
|
|
|
return -1;
|
2017-04-10 12:39:04 +00:00
|
|
|
|
}
|
2017-04-13 11:14:01 +00:00
|
|
|
|
return result;
|
2017-03-23 08:36:32 +00:00
|
|
|
|
}
|
|
|
|
|
|
2017-04-13 11:14:01 +00:00
|
|
|
|
int show_socket_error_reason(int socket)
|
2017-03-23 08:36:32 +00:00
|
|
|
|
{
|
2017-04-13 11:14:01 +00:00
|
|
|
|
int err = get_socket_error_code(socket);
|
|
|
|
|
ESP_LOGW(TAG, "socket error %d %s", err, strerror(err));
|
|
|
|
|
return err;
|
2017-03-23 08:36:32 +00:00
|
|
|
|
}
|
|
|
|
|
|
2017-04-13 11:14:01 +00:00
|
|
|
|
int check_working_socket()
|
2017-03-23 08:36:32 +00:00
|
|
|
|
{
|
2017-04-10 12:39:04 +00:00
|
|
|
|
int ret;
|
2017-04-13 11:14:01 +00:00
|
|
|
|
#if EXAMPLE_ESP_TCP_MODE_SERVER
|
|
|
|
|
ESP_LOGD(TAG, "check server_socket");
|
|
|
|
|
ret = get_socket_error_code(server_socket);
|
|
|
|
|
if(ret != 0) {
|
|
|
|
|
ESP_LOGW(TAG, "server socket error %d %s", ret, strerror(ret));
|
|
|
|
|
}
|
2017-04-10 12:39:04 +00:00
|
|
|
|
if(ret == ECONNRESET)
|
|
|
|
|
return ret;
|
2017-03-23 08:36:32 +00:00
|
|
|
|
#endif
|
2017-04-13 11:14:01 +00:00
|
|
|
|
ESP_LOGD(TAG, "check connect_socket");
|
|
|
|
|
ret = get_socket_error_code(connect_socket);
|
|
|
|
|
if(ret != 0) {
|
|
|
|
|
ESP_LOGW(TAG, "connect socket error %d %s", ret, strerror(ret));
|
|
|
|
|
}
|
|
|
|
|
if(ret != 0)
|
2017-04-10 12:39:04 +00:00
|
|
|
|
return ret;
|
|
|
|
|
return 0;
|
2017-03-23 08:36:32 +00:00
|
|
|
|
}
|
|
|
|
|
|
2017-03-20 05:43:04 +00:00
|
|
|
|
void close_socket()
|
|
|
|
|
{
|
2017-04-10 12:39:04 +00:00
|
|
|
|
close(connect_socket);
|
|
|
|
|
close(server_socket);
|
2017-03-20 05:43:04 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|