Initial public version

2025-09-25 01:37:22 +00:00 · 2016-08-17 23:08:22 +08:00
commit bd6ea4393c
628 changed files with 224814 additions and 0 deletions
--- a/components/esp32/wifi.c
+++ b/components/esp32/wifi.c
@@ -0,0 +1,109 @@
+// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+#include <stddef.h>
+#include <stdlib.h>
+
+#include "esp_err.h"
+#include "esp_wifi.h"
+#include "esp_event.h"
+
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/queue.h"
+#include "freertos/semphr.h"
+
+//#include "tcpip_adapter.h"
+
+#define ESP32_WORKAROUND 1
+
+#if CONFIG_WIFI_ENABLED
+
+#ifdef ESP32_WORKAROUND
+
+SemaphoreHandle_t stdio_mutex_tx = NULL;
+#define os_printf(fmt, ...) do {\
+    if (!stdio_mutex_tx) {\
+        stdio_mutex_tx = xSemaphoreCreateMutex();\
+    }\
+\
+    xSemaphoreTake(stdio_mutex_tx, portMAX_DELAY);\
+    ets_printf(fmt, ##__VA_ARGS__);\
+    xSemaphoreGive(stdio_mutex_tx);\
+} while (0)
+
+#endif
+
+static wifi_startup_cb_t startup_cb;
+
+#define WIFI_DEBUG  os_printf
+#define WIFI_API_CALL_CHECK(info, api_call, ret) \
+do{\
+    esp_err_t __err = (api_call);\
+    if ((ret) != __err) {\
+        WIFI_DEBUG("%s %d %s ret=%d\n", __FUNCTION__, __LINE__, (info), __err);\
+        return __err;\
+    }\
+} while(0)
+
+static void esp_wifi_task(void *pvParameters)
+{
+    esp_err_t err;
+    wifi_init_config_t cfg;
+    cfg.event_q = (xQueueHandle)esp_event_get_handler();
+
+    do {
+        err = esp_wifi_init(&cfg);
+        if (err != ESP_OK) {
+            break;
+        }
+
+        if (startup_cb) {
+            err = (*startup_cb)();
+            if (err != ESP_OK) {
+                break;
+            }
+        }
+
+        err = esp_wifi_start();
+        if (err != ESP_OK) {    // TODO: if already started, it's also OK
+            break;
+        }
+
+#if CONFIG_WIFI_AUTO_CONNECT
+        wifi_mode_t mode;
+
+        esp_wifi_get_mode(&mode);
+
+        if (mode == WIFI_MODE_STA || mode == WIFI_MODE_APSTA) {
+            err = esp_wifi_connect();
+            if (err != ESP_OK) {
+                break;
+            }
+        }
+#endif
+    } while (0);
+
+    if (err != ESP_OK) {
+        esp_wifi_deinit();
+    }
+
+    vTaskDelete(NULL);
+}
+
+void esp_wifi_startup(wifi_startup_cb_t cb)
+{
+    startup_cb = cb;
+    xTaskCreatePinnedToCore(esp_wifi_task, "wifiTask", 4096, NULL, 5, NULL, 0);// TODO: rearrange task priority
+}
+#endif