Sync FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP with the version in GitHub at (23665258cabe49d5d68ba23968b6845a7c80eb34).

Notes: - header has version 2.2.0. - This sync did not bring in ./test directory, though we should. - New NetworkInterfaces are introduced by this merge. - Keil compiler support. - FreeRTOS_IP.h new API xApplicationGetRandomNumber(). - FreeRTOS_IP_Private.h new eIPEvent_t eNetworkTxEvent. - FreeRTOS_Stream_Buffer.h removing static xStreamBufferIsEmpty() and xStreamBufferIsFull(). - FreeRTOSConfigDefaults.h provides default ipconfigDNS_RECEIVE_BLOCK_TIME_TICKS. - other type changes.
2025-09-04 05:13:51 -04:00 · 2020-01-31 00:07:53 +00:00 · 2020-01-31 00:07:53 +00:00 · ec6f3d77c3
commit ec6f3d77c3
parent 0c1c85a9dd
54 changed files with 5688 additions and 1701 deletions
--- a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/esp32/NetworkInterface.c
+++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/esp32/NetworkInterface.c
@ -0,0 +1,193 @@
+// Copyright 2018 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.
+
+/* Standard includes. */
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+/* FreeRTOS includes. */
+#include "FreeRTOS.h"
+#include "task.h"
+#include "queue.h"
+#include "semphr.h"
+
+/* FreeRTOS+TCP includes. */
+#include "FreeRTOS_IP.h"
+#include "FreeRTOS_Sockets.h"
+#include "FreeRTOS_IP_Private.h"
+#include "FreeRTOS_DNS.h"
+#include "NetworkBufferManagement.h"
+#include "NetworkInterface.h"
+
+#include "esp_log.h"
+#include "esp_wifi.h"
+#include "esp_wifi_internal.h"
+#include "tcpip_adapter.h"
+
+enum if_state_t {
+    INTERFACE_DOWN = 0,
+    INTERFACE_UP,
+};
+
+static const char *TAG = "NetInterface";
+volatile static uint32_t xInterfaceState = INTERFACE_DOWN;
+
+#if ( ipconfigHAS_PRINTF != 0 )
+    static void prvMonitorResources();
+#endif
+
+BaseType_t xNetworkInterfaceInitialise( void )
+{
+    static BaseType_t xMACAdrInitialized = pdFALSE;
+    uint8_t ucMACAddress[ ipMAC_ADDRESS_LENGTH_BYTES ];
+
+    if (xInterfaceState == INTERFACE_UP) {
+        if (xMACAdrInitialized == pdFALSE) {
+            esp_wifi_get_mac(ESP_IF_WIFI_STA, ucMACAddress);
+            FreeRTOS_UpdateMACAddress(ucMACAddress);
+            xMACAdrInitialized = pdTRUE;
+        }
+        return pdTRUE;
+    }
+    return pdFALSE;
+}
+
+BaseType_t xNetworkInterfaceOutput( NetworkBufferDescriptor_t *const pxNetworkBuffer, BaseType_t xReleaseAfterSend )
+{
+    if (pxNetworkBuffer == NULL || pxNetworkBuffer->pucEthernetBuffer == NULL || pxNetworkBuffer->xDataLength == 0) {
+        ESP_LOGE(TAG, "Invalid params");
+        return pdFALSE;
+    }
+
+    esp_err_t ret;
+    if (xInterfaceState == INTERFACE_DOWN) {
+        ESP_LOGD(TAG, "Interface down");
+        ret = ESP_FAIL;
+    } else {
+        ret = esp_wifi_internal_tx(ESP_IF_WIFI_STA, pxNetworkBuffer->pucEthernetBuffer, pxNetworkBuffer->xDataLength);
+        if (ret != ESP_OK) {
+            ESP_LOGE(TAG, "Failed to tx buffer %p, len %d, err %d", pxNetworkBuffer->pucEthernetBuffer, pxNetworkBuffer->xDataLength, ret);
+        }
+    }
+
+#if ( ipconfigHAS_PRINTF != 0 )
+    prvMonitorResources();
+#endif
+    if (xReleaseAfterSend == pdTRUE) {
+        vReleaseNetworkBufferAndDescriptor(pxNetworkBuffer);
+    }
+
+    return ret == ESP_OK ? pdTRUE : pdFALSE;
+}
+
+void vNetworkNotifyIFDown()
+{
+    IPStackEvent_t xRxEvent = { eNetworkDownEvent, NULL };
+    if (xInterfaceState != INTERFACE_DOWN) {
+        xInterfaceState = INTERFACE_DOWN;
+        xSendEventStructToIPTask( &xRxEvent, 0 );
+    }
+}
+
+void vNetworkNotifyIFUp()
+{
+    xInterfaceState = INTERFACE_UP;
+}
+
+esp_err_t wlanif_input(void *netif, void *buffer, uint16_t len, void *eb)
+{
+    NetworkBufferDescriptor_t *pxNetworkBuffer;
+    IPStackEvent_t xRxEvent = { eNetworkRxEvent, NULL };
+    const TickType_t xDescriptorWaitTime = pdMS_TO_TICKS( 250 );
+
+#if ( ipconfigHAS_PRINTF != 0 )
+    prvMonitorResources();
+#endif
+
+    if( eConsiderFrameForProcessing( buffer ) != eProcessBuffer ) {
+        ESP_LOGD(TAG, "Dropping packet");
+        esp_wifi_internal_free_rx_buffer(eb);
+        return ESP_OK;
+    }
+
+    pxNetworkBuffer = pxGetNetworkBufferWithDescriptor(len, xDescriptorWaitTime);
+    if (pxNetworkBuffer != NULL) {
+
+        /* Set the packet size, in case a larger buffer was returned. */
+        pxNetworkBuffer->xDataLength = len;
+
+        /* Copy the packet data. */
+        memcpy(pxNetworkBuffer->pucEthernetBuffer, buffer, len);
+        xRxEvent.pvData = (void *) pxNetworkBuffer;
+
+        if ( xSendEventStructToIPTask( &xRxEvent, xDescriptorWaitTime) == pdFAIL ) {
+            ESP_LOGE(TAG, "Failed to enqueue packet to network stack %p, len %d", buffer, len);
+            vReleaseNetworkBufferAndDescriptor(pxNetworkBuffer);
+            return ESP_FAIL;
+        }
+        esp_wifi_internal_free_rx_buffer(eb);
+        return ESP_OK;
+    } else {
+        ESP_LOGE(TAG, "Failed to get buffer descriptor");
+        return ESP_FAIL;
+    }
+}
+
+#if ( ipconfigHAS_PRINTF != 0 )
+    static void prvMonitorResources()
+    {
+        static UBaseType_t uxLastMinBufferCount = 0u;
+        static UBaseType_t uxCurrentBufferCount = 0u;
+        static size_t uxMinLastSize = 0uL;
+        size_t uxMinSize;
+
+        uxCurrentBufferCount = uxGetMinimumFreeNetworkBuffers();
+
+        if( uxLastMinBufferCount != uxCurrentBufferCount )
+        {
+            /* The logging produced below may be helpful
+             * while tuning +TCP: see how many buffers are in use. */
+            uxLastMinBufferCount = uxCurrentBufferCount;
+            FreeRTOS_printf( ( "Network buffers: %lu lowest %lu\n",
+                               uxGetNumberOfFreeNetworkBuffers(), uxCurrentBufferCount ) );
+        }
+
+        uxMinSize = xPortGetMinimumEverFreeHeapSize();
+
+        if( uxMinLastSize != uxMinSize )
+        {
+            uxMinLastSize = uxMinSize;
+            FreeRTOS_printf( ( "Heap: current %lu lowest %lu\n", xPortGetFreeHeapSize(), uxMinSize ) );
+        }
+
+        #if ( ipconfigCHECK_IP_QUEUE_SPACE != 0 )
+            {
+                static UBaseType_t uxLastMinQueueSpace = 0;
+                UBaseType_t uxCurrentCount = 0u;
+
+                uxCurrentCount = uxGetMinimumIPQueueSpace();
+
+                if( uxLastMinQueueSpace != uxCurrentCount )
+                {
+                    /* The logging produced below may be helpful
+                     * while tuning +TCP: see how many buffers are in use. */
+                    uxLastMinQueueSpace = uxCurrentCount;
+                    FreeRTOS_printf( ( "Queue space: lowest %lu\n", uxCurrentCount ) );
+                }
+            }
+        #endif /* ipconfigCHECK_IP_QUEUE_SPACE */
+    }
+#endif /* ( ipconfigHAS_PRINTF != 0 ) */
+/*-----------------------------------------------------------*/