diff options
Diffstat (limited to 'FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/esp32/NetworkInterface.c')
| -rw-r--r-- | FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/esp32/NetworkInterface.c | 193 |
1 files changed, 193 insertions, 0 deletions
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/esp32/NetworkInterface.c b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/esp32/NetworkInterface.c new file mode 100644 index 000000000..0b34edf7b --- /dev/null +++ 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 ) */
+/*-----------------------------------------------------------*/
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