143 lines
4.4 KiB
C
143 lines
4.4 KiB
C
/* BSD Socket API 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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#include <string.h>
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#include <stdint.h>
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#include <sys/param.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/event_groups.h"
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#include "esp_system.h"
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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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#include "nvs_flash.h"
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#include "lwip/err.h"
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#include "lwip/sockets.h"
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#include "lwip/sys.h"
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#include <lwip/netdb.h>
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#include "tcp_server.h"
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#include "timer.h"
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#include "wifi_configuration.h"
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extern void SWO_Thread(void *argument);
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extern void usart_monitor_task(void *argument);
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extern void DAP_Setup(void);
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extern void DAP_Thread(void *argument);
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/* FreeRTOS event group to signal when we are connected & ready to make a request */
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static EventGroupHandle_t wifi_event_group;
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TaskHandle_t kDAPTaskHandle = NULL;
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const int IPV4_GOTIP_BIT = BIT0;
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#ifdef CONFIG_EXAMPLE_IPV6
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const int IPV6_GOTIP_BIT = BIT1;
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#endif
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static esp_err_t event_handler(void *ctx, system_event_t *event)
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{
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/* For accessing reason codes in case of disconnection */
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system_event_info_t *info = &event->event_info;
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switch (event->event_id)
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{
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case SYSTEM_EVENT_STA_START:
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esp_wifi_connect();
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os_printf("SYSTEM_EVENT_STA_START\r\n");
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break;
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case SYSTEM_EVENT_STA_CONNECTED:
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#ifdef CONFIG_EXAMPLE_IPV6
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/* enable ipv6 */
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tcpip_adapter_create_ip6_linklocal(TCPIP_ADAPTER_IF_STA);
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#endif
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break;
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case SYSTEM_EVENT_STA_GOT_IP:
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xEventGroupSetBits(wifi_event_group, IPV4_GOTIP_BIT);
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os_printf("SYSTEM EVENT STA GOT IP : %s\r\n", ip4addr_ntoa(&event->event_info.got_ip.ip_info.ip));
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break;
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case SYSTEM_EVENT_STA_DISCONNECTED:
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os_printf("Disconnect reason : %d\r\n", info->disconnected.reason);
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if (info->disconnected.reason == WIFI_REASON_BASIC_RATE_NOT_SUPPORT)
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{
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/*Switch to 802.11 bgn mode */
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esp_wifi_set_protocol(ESP_IF_WIFI_STA, WIFI_PROTOCOL_11B | WIFI_PROTOCOL_11G | WIFI_PROTOCOL_11N);
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}
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esp_wifi_connect();
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xEventGroupClearBits(wifi_event_group, IPV4_GOTIP_BIT);
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#ifdef CONFIG_EXAMPLE_IPV6
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xEventGroupClearBits(wifi_event_group, IPV6_GOTIP_BIT);
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#endif
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break;
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case SYSTEM_EVENT_AP_STA_GOT_IP6:
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#ifdef CONFIG_EXAMPLE_IPV6
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xEventGroupSetBits(wifi_event_group, IPV6_GOTIP_BIT);
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os_printf("SYSTEM_EVENT_STA_GOT_IP6\r\n");
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char *ip6 = ip6addr_ntoa(&event->event_info.got_ip6.ip6_info.ip);
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os_printf("IPv6: %s\r\n", ip6);
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#endif
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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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static void initialise_wifi(void)
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{
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tcpip_adapter_init();
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wifi_event_group = xEventGroupCreate();
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ESP_ERROR_CHECK(esp_event_loop_init(event_handler, NULL));
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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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ESP_ERROR_CHECK(esp_wifi_set_storage(WIFI_STORAGE_RAM));
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wifi_config_t wifi_config = {
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.sta = {
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.ssid = WIFI_SSID,
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.password = WIFI_PASS,
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},
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};
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os_printf("Setting WiFi configuration SSID %s...\r\n", wifi_config.sta.ssid);
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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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}
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static void wait_for_ip()
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{
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#ifdef CONFIG_EXAMPLE_IPV6
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uint32_t bits = IPV4_GOTIP_BIT | IPV6_GOTIP_BIT;
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#else
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uint32_t bits = IPV4_GOTIP_BIT;
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#endif
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os_printf("Waiting for AP connection...\r\n");
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xEventGroupWaitBits(wifi_event_group, bits, false, true, portMAX_DELAY);
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os_printf("Connected to AP\r\n");
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}
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void app_main()
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{
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ESP_ERROR_CHECK(nvs_flash_init());
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initialise_wifi();
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wait_for_ip();
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DAP_Setup(); // DAP Setup
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xTaskCreate(timer_create_task, "timer_create", 512, NULL, 10, NULL);
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xTaskCreate(tcp_server_task, "tcp_server", 4096, NULL, 14, NULL);
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xTaskCreate(DAP_Thread, "DAP_Task", 2048, NULL, 10, &kDAPTaskHandle);
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// SWO Trace Task
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//xTaskCreate(SWO_Thread, "swo_task", 1024, NULL, 6, NULL);
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//xTaskCreate(usart_monitor_task, "uart_task", 512, NULL, 6, NULL);
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}
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