-/*******************************************************************************
-* Network Interface file
-*
-* Summary:
-* Network Interface file for FreeRTOS-Plus-TCP stack
-*
-* Description:
-* - Interfaces PIC32 to the FreeRTOS TCP/IP stack
-*******************************************************************************/
-
-/*******************************************************************************
-* File Name: pic32_NetworkInterface.c
-* Copyright 2017 Microchip Technology Incorporated and its subsidiaries.
-*
-* Permission is hereby granted, free of charge, to any person obtaining a copy of
-* this software and associated documentation files (the "Software"), to deal in
-* the Software without restriction, including without limitation the rights to
-* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
-* of the Software, and to permit persons to whom the Software is furnished to do
-* so, subject to the following conditions:
-* The above copyright notice and this permission notice shall be included in all
-* copies or substantial portions of the Software.
-*
-* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
-* SOFTWARE
-*******************************************************************************/
-#include <sys/kmem.h>
-
-#include "FreeRTOS.h"
-#include "semphr.h"
-#include "event_groups.h"
-#include "FreeRTOS_IP.h"
-#include "FreeRTOS_IP_Private.h"
-
-#include "NetworkInterface.h"
-#include "NetworkBufferManagement.h"
-
-
-#include "NetworkInterface.h"
-#include "NetworkConfig.h"
-
-#include "peripheral/eth/plib_eth.h"
-
-#include "system_config.h"
-#include "system/console/sys_console.h"
-#include "system/debug/sys_debug.h"
-#include "system/command/sys_command.h"
-
-#include "driver/ethmac/drv_ethmac.h"
-#include "driver/miim/drv_miim.h"
-
-#include "tcpip/tcpip.h"
-#include "tcpip/src/tcpip_private.h"
-#include "tcpip/src/link_list.h"
-
-#ifdef PIC32_USE_ETHERNET
-
- /* local definitions and data */
-
- /* debug messages */
- #if ( PIC32_MAC_DEBUG_MESSAGES != 0 )
- #define PIC32_MAC_DbgPrint( format, ... ) SYS_CONSOLE_PRINT( format, ## __VA_ARGS__ )
- #else
- #define PIC32_MAC_DbgPrint( format, ... )
- #endif /* (PIC32_MAC_DEBUG_MESSAGES != 0) */
-
- typedef enum
- {
- PIC32_MAC_EVENT_INIT_NONE = 0x000, /* no event/invalid */
-
- PIC32_MAC_EVENT_INIT_DONE = 0x001, /* initialization done event */
- PIC32_MAC_EVENT_TIMEOUT = 0x002, /* periodic timeout event */
- PIC32_MAC_EVENT_IF_PENDING = 0x004, /* an interface event signal: RX, TX, errors. etc. */
- } PIC32_MAC_EVENT_TYPE;
-
- typedef enum
- {
- eMACInit, /* Must initialise MAC. */
- eMACPass, /* Initialisation was successful. */
- eMACFailed, /* Initialisation failed. */
- } eMAC_INIT_STATUS_TYPE;
-
- static TCPIP_STACK_HEAP_HANDLE macHeapHandle;
-
- static const TCPIP_MAC_OBJECT * macObject; /* the one and only MAC object; */
-
- static SYS_MODULE_OBJ macObjHandle; /* the MAC object instance, obtained at initialization */
- static TCPIP_MAC_HANDLE macCliHandle; /* client handle */
- static volatile SYS_STATUS macObjStatus; /* current MAC status */
-
- static TaskHandle_t macTaskHandle;
-
- static TimerHandle_t macTmrHandle;
-
- static bool macLinkStatus; /* true if link is ON */
-
- static eMAC_INIT_STATUS_TYPE xMacInitStatus = eMACInit;
-
- /* local prototypes */
- static bool StartInitMac( void );
- static void StartInitCleanup( void );
-
- static void SetMacCtrl( TCPIP_MAC_MODULE_CTRL * pMacCtrl );
-
- static bool MacSyncFunction( void * synchHandle,
- TCPIP_MAC_SYNCH_REQUEST req );
-
- /* the PIC32 MAC task function */
- static void MacHandlerTask( void * params );
-
- /* MAC interrupt event function */
- static void MAC_EventFunction( TCPIP_MAC_EVENT event,
- const void * eventParam );
-
- /* timer callback for link maintenance, etc; */
- static void MacTmrCallback( TimerHandle_t xTimer );
-
- /* MAC RX packets functions */
- static void MacRxPackets( void );
- static void MacProcessRxPacket( TCPIP_MAC_PACKET * pRxPkt );
-
-
- /* memory allocation mapping to FreeRTOS */
- static void * _malloc( size_t nBytes )
- {
- return pvPortMalloc( nBytes );
- }
-
- /*-----------------------------------------------------------*/
-
- static void * _calloc( size_t nElems,
- size_t elemSize )
- {
- size_t nBytes = nElems * elemSize;
-
- void * ptr = pvPortMalloc( nBytes );
-
- if( ptr != 0 )
- {
- memset( ptr, 0, nBytes );
- }
-
- return ptr;
- }
-
- /*-----------------------------------------------------------*/
-
- static void _free( void * pBuff )
- {
- vPortFree( pBuff );
- }
-
- /* extern references */
- /* */
- /* use the configuration data from the system_init.c */
- extern const TCPIP_NETWORK_CONFIG TCPIP_HOSTS_CONFIGURATION[];
-
- /* BufferAllocation_2.c:: packet allocation function */
- extern TCPIP_MAC_PACKET * PIC32_MacPacketAllocate( uint16_t pktLen,
- uint16_t segLoadLen,
- TCPIP_MAC_PACKET_FLAGS flags );
-
- extern void PIC32_MacAssociate( TCPIP_MAC_PACKET * pRxPkt,
- NetworkBufferDescriptor_t * pxBufferDescriptor,
- size_t pktLength );
- extern void PIC32_MacPacketOrphan( TCPIP_MAC_PACKET * pPkt );
-
- /* cannot use the system_init.c::tcpipHeapConfig because FreeRTOS does not have a calloc function! */
- /* we build it here! */
-
- /* make sure we're running with external heap! Redirect to FreeRTOS. */
- #if !defined( TCPIP_STACK_USE_EXTERNAL_HEAP ) || defined( TCPIP_STACK_USE_INTERNAL_HEAP ) || defined( TCPIP_STACK_USE_INTERNAL_HEAP_POOL )
- #error "TCPIP_STACK_USE_EXTERNAL_HEAP should be defined for this project!"
- #endif
-
- static const TCPIP_STACK_HEAP_EXTERNAL_CONFIG tcpipHeapConfig =
- {
- .heapType = TCPIP_STACK_HEAP_TYPE_EXTERNAL_HEAP,
- .heapFlags = TCPIP_STACK_HEAP_FLAG_ALLOC_UNCACHED | TCPIP_STACK_HEAP_FLAG_NO_MTHREAD_SYNC,
- .heapUsage = TCPIP_STACK_HEAP_USE_DEFAULT,
- .malloc_fnc = _malloc,
- .calloc_fnc = _calloc,
- .free_fnc = _free,
- };
-
- #if ( PIC32_MAC_DEBUG_COMMANDS != 0 )
- static int _Command_MacInfo( SYS_CMD_DEVICE_NODE * pCmdIO,
- int argc,
- char ** argv );
- static int _Command_NetInfo( SYS_CMD_DEVICE_NODE * pCmdIO,
- int argc,
- char ** argv );
- static int _Command_Version( SYS_CMD_DEVICE_NODE * pCmdIO,
- int argc,
- char ** argv );
-
- static const SYS_CMD_DESCRIPTOR macCmdTbl[] =
- {
- { "macinfo", _Command_MacInfo, ": Check MAC statistics" },
- { "netinfo", _Command_NetInfo, ": Net info" },
- { "version", _Command_Version, ": Version info" },
- };
- #endif /* (PIC32_MAC_DEBUG_COMMANDS != 0) */
-
-
- /* FreeRTOS implementation functions */
- BaseType_t xNetworkInterfaceInitialise( void )
- {
- BaseType_t xResult;
-
- if( xMacInitStatus == eMACInit )
- {
- /* This is the first time this function is called. */
- if( StartInitMac() != false )
- {
- /* Indicate that the MAC initialisation succeeded. */
- xMacInitStatus = eMACPass;
- }
- else
- {
- xMacInitStatus = eMACFailed;
- }
- }
-
- if( xMacInitStatus == eMACPass )
- {
- xResult = xGetPhyLinkStatus();
- }
- else
- {
- xResult = pdFAIL;
- }
-
- PIC32_MAC_DbgPrint( "xNetworkInterfaceInitialise: %d %d\r\n", ( int ) xMacInitStatus, ( int ) xResult );
-
- return xResult;
- }
-
-
- /*-----------------------------------------------------------*/
-
- BaseType_t xNetworkInterfaceOutput( NetworkBufferDescriptor_t * const pxDescriptor,
- BaseType_t xReleaseAfterSend )
- {
- TCPIP_MAC_RES macRes;
- TCPIP_MAC_PACKET * pTxPkt;
-
- BaseType_t retRes = pdFALSE;
-
-
- if( ( pxDescriptor != 0 ) && ( pxDescriptor->pucEthernetBuffer != 0 ) && ( pxDescriptor->xDataLength != 0 ) )
- {
- TCPIP_MAC_PACKET ** ppkt = ( TCPIP_MAC_PACKET ** ) ( pxDescriptor->pucEthernetBuffer - PIC32_BUFFER_PKT_PTR_OSSET );
- configASSERT( ( ( uint32_t ) ppkt & ( sizeof( uint32_t ) - 1 ) ) == 0 );
- pTxPkt = *ppkt;
- configASSERT( pTxPkt != 0 );
-
- /* prepare the packet for transmission */
- /* set the correct data length: */
- configASSERT( pTxPkt->pDSeg->segSize >= pTxPkt->pDSeg->segLen );
- pTxPkt->pDSeg->segLen = pxDescriptor->xDataLength;
- pTxPkt->next = 0; /* unlink it */
- macRes = ( macObject->TCPIP_MAC_PacketTx )( macCliHandle, pTxPkt );
-
- if( macRes >= 0 )
- {
- retRes = pdTRUE;
- pxDescriptor->pucEthernetBuffer = 0; /* it will be released by the MAC driver once it's transmitted */
- iptraceNETWORK_INTERFACE_TRANSMIT();
- }
-
- /* else same error occurred; this normally should not happen! But the buffer is left in there so it shold be freed! */
-
- /* The buffer has been sent so can be released. */
- if( xReleaseAfterSend != pdFALSE )
- {
- vReleaseNetworkBufferAndDescriptor( pxDescriptor );
- }
- }
-
- return retRes;
- }
-
-
- /************************************* Section: helper functions ************************************************** */
- /* */
-
- void PIC32_GetMACAddress( uint8_t macAdd[ 6 ] )
- {
- #if defined( __PIC32MZ__ ) || defined( __PIC32MX__ )
- PLIB_ETH_MACGetAddress( ETH_ID_0, macAdd );
- #else
- #error "MAC Address: not supported architecture!"
- #endif
- }
-
-
- /*-----------------------------------------------------------*/
-
- const void * const PIC32_GetMacConfigData( void )
- {
- #if defined( __PIC32MZ__ ) || defined( __PIC32MX__ )
- extern const TCPIP_MODULE_MAC_PIC32INT_CONFIG tcpipMACPIC32INTInitData;
-
- return &tcpipMACPIC32INTInitData;
- #else
- #error "MAC Address: not supported architecture!"
- #endif
- }
-
- /************************************* Section: worker code ************************************************** */
- /* */
-
-
- static bool StartInitMac( void )
- {
- TCPIP_MAC_MODULE_CTRL macCtrl;
- SYS_MODULE_INIT moduleInit;
- EventBits_t evBits;
-
-
- /* perform some initialization of all variables so that we can cleanup what failed */
- /* if something failed, the routine will be called again and again by FreeRTOS! */
- macHeapHandle = 0;
- macObjHandle = 0;
- macCliHandle = 0;
- macTmrHandle = 0;
- macTaskHandle = 0;
- macObject = TCPIP_HOSTS_CONFIGURATION[ 0 ].pMacObject; /* the MAC object we use */
- macObjStatus = SYS_STATUS_UNINITIALIZED;
- macLinkStatus = false;
-
- int netUpFail = 0;
-
- while( true )
- {
- /* start the allocator */
- macHeapHandle = TCPIP_HEAP_Create( ( const TCPIP_STACK_HEAP_CONFIG * ) &tcpipHeapConfig, 0 );
-
- if( macHeapHandle == 0 )
- {
- netUpFail = 1;
- break;
- }
-
- if( TCPIP_PKT_Initialize( macHeapHandle, 0, 0 ) == false )
- {
- netUpFail = 2;
- break;
- }
-
- moduleInit.sys.powerState = SYS_MODULE_POWER_RUN_FULL;
-
- /* Initialize the MAC. MAC address is defined to 0x000000000000 in
- * FreeRTOSConfig.h and therefore it will be initialized to the
- * factory programmed MAC address. */
- SetMacCtrl( &macCtrl );
- /* Set the mac address in the FreeRTOS+TCP stack. */
- FreeRTOS_UpdateMACAddress( macCtrl.ifPhyAddress.v );
-
- TCPIP_MAC_INIT macInit =
- {
- .moduleInit = { moduleInit.value },
- .macControl = &macCtrl,
- .moduleData = PIC32_GetMacConfigData(),
- };
-
- macObjHandle = ( macObject->TCPIP_MAC_Initialize )( TCPIP_MODULE_MAC_PIC32INT, &macInit.moduleInit );
-
- if( macObjHandle == SYS_MODULE_OBJ_INVALID )
- {
- macObjHandle = 0;
- netUpFail = 4;
- break;
- }
-
- /* open the MAC */
- macCliHandle = ( macObject->TCPIP_MAC_Open )( TCPIP_MODULE_MAC_PIC32INT, DRV_IO_INTENT_READWRITE );
-
- if( macCliHandle == DRV_HANDLE_INVALID )
- {
- macCliHandle = 0;
- netUpFail = 5;
- break;
- }
-
- if( !( macObject->TCPIP_MAC_EventMaskSet )( macCliHandle, ( TCPIP_MAC_EV_RX_DONE | TCPIP_MAC_EV_TX_DONE | TCPIP_MAC_EV_RXTX_ERRORS ), true ) )
- {
- netUpFail = 6;
- break;
- }
-
- /* completed the MAC initialization */
- /* continue the initialization */
- macTmrHandle = xTimerCreate( PIC32_MAC_TIMER_NAME, PIC32_MAC_TIMER_PERIOD, pdTRUE, 0, MacTmrCallback );
-
- if( ( macTmrHandle == 0 ) || ( xTimerStart( macTmrHandle, 0 ) != pdPASS ) )
- {
- netUpFail = 8;
- break;
- }
-
- /* spawn the PIC32 MAC task function */
- /* and wait for its event signal */
- macObjStatus = SYS_STATUS_BUSY;
-
- if( xTaskCreate( MacHandlerTask, PIC32_MAC_TASK_NAME, PIC32_MAC_TASK_STACK_SIZE, xTaskGetCurrentTaskHandle(), PIC32_MAC_TASK_PRI, &macTaskHandle ) != pdPASS )
- { /* failed */
- netUpFail = 9;
- break;
- }
-
- xTaskNotifyWait( PIC32_MAC_EVENT_INIT_DONE, PIC32_MAC_EVENT_INIT_DONE, &evBits, PIC32_MAC_INIT_TIMEOUT );
-
- if( ( evBits & PIC32_MAC_EVENT_INIT_DONE ) == 0 )
- { /* timed out */
- netUpFail = 10;
- break;
- }
-
- if( macObjStatus != SYS_STATUS_READY )
- { /* failed somehow ??? */
- netUpFail = 11;
- break;
- }
-
- netUpFail = 0;
- break;
- }
-
- if( netUpFail == 0 )
- {
- PIC32_MAC_DbgPrint( " MAC Init success!\r\n" );
-
- #if ( PIC32_MAC_DEBUG_COMMANDS != 0 )
- /* create command group */
- if( !SYS_CMD_ADDGRP( macCmdTbl, sizeof( macCmdTbl ) / sizeof( *macCmdTbl ), "mac", ": mac commands" ) )
- {
- PIC32_MAC_DbgPrint( "Failed to create MAC Commands\r\n" );
- }
- #endif /* (PIC32_MAC_DEBUG_COMMANDS != 0) */
-
- return true;
- }
- else
- {
- StartInitCleanup();
- PIC32_MAC_DbgPrint( "MAC Init failed: %d!\r\n", netUpFail );
-
- return false;
- }
- }
-
- /*-----------------------------------------------------------*/
-
- static void StartInitCleanup( void )
- {
- if( macHeapHandle != 0 )
- {
- TCPIP_HEAP_Delete( macHeapHandle );
- macHeapHandle = 0;
- }
-
- if( macObjHandle != 0 )
- {
- ( macObject->TCPIP_MAC_Deinitialize )( macObjHandle );
- macObjHandle = 0;
- }
-
- if( macTmrHandle != 0 )
- {
- xTimerDelete( macTmrHandle, portMAX_DELAY );
- macTmrHandle = 0;
- }
-
- if( macTaskHandle != 0 )
- {
- vTaskDelete( macTaskHandle );
- macTaskHandle = 0;
- }
- }
-
- /*-----------------------------------------------------------*/
-
- static void SetMacCtrl( TCPIP_MAC_MODULE_CTRL * pMacCtrl )
- {
- TCPIP_MAC_ADDR macAdd;
- uint8_t unsetMACAddr[ 6 ] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; /* not set MAC address */
-
- pMacCtrl->nIfs = 1;
-
- pMacCtrl->mallocF = TCPIP_HEAP_MallocOutline;
- pMacCtrl->callocF = TCPIP_HEAP_CallocOutline;
- pMacCtrl->freeF = TCPIP_HEAP_FreeOutline;
- pMacCtrl->memH = macHeapHandle;
-
-
- pMacCtrl->pktAllocF = PIC32_MacPacketAllocate;
- pMacCtrl->pktFreeF = ( TCPIP_MAC_PKT_FreeF ) _TCPIP_PKT_FREE_FNC;
- pMacCtrl->pktAckF = ( TCPIP_MAC_PKT_AckF ) _TCPIP_PKT_ACK_FNC;
-
- pMacCtrl->synchF = MacSyncFunction;
-
- pMacCtrl->eventF = MAC_EventFunction;
- pMacCtrl->eventParam = 0;
-
- pMacCtrl->moduleId = TCPIP_MODULE_MAC_PIC32INT;
- pMacCtrl->netIx = 0;
- pMacCtrl->macAction = TCPIP_MAC_ACTION_INIT;
- pMacCtrl->powerMode = TCPIP_MAC_POWER_FULL;
-
- macAdd.v[ 0 ] = configMAC_ADDR0;
- macAdd.v[ 1 ] = configMAC_ADDR1;
- macAdd.v[ 2 ] = configMAC_ADDR2;
- macAdd.v[ 3 ] = configMAC_ADDR3;
- macAdd.v[ 4 ] = configMAC_ADDR4;
- macAdd.v[ 5 ] = configMAC_ADDR5;
-
- if( memcmp( macAdd.v, unsetMACAddr, sizeof( unsetMACAddr ) ) == 0 )
- { /* if unspecified we use the factory pre-programmed address */
- PIC32_GetMACAddress( pMacCtrl->ifPhyAddress.v );
- }
- else
- { /* use the config suggested one */
- memcpy( pMacCtrl->ifPhyAddress.v, macAdd.v, sizeof( macAdd ) );
- }
- }
-
- /*-----------------------------------------------------------*/
-
- static bool MacSyncFunction( void * synchHandle,
- TCPIP_MAC_SYNCH_REQUEST req )
- {
- switch( req )
- {
- case TCPIP_MAC_SYNCH_REQUEST_OBJ_CREATE:
- vSemaphoreCreateBinary( *( SemaphoreHandle_t * ) synchHandle );
-
- return ( *( SemaphoreHandle_t * ) synchHandle == NULL ) ? false : true;
-
- case TCPIP_MAC_SYNCH_REQUEST_OBJ_DELETE:
- vSemaphoreDelete( *( SemaphoreHandle_t * ) synchHandle );
- *( SemaphoreHandle_t * ) synchHandle = NULL;
-
- return true;
-
- case TCPIP_MAC_SYNCH_REQUEST_OBJ_LOCK:
-
- return ( xSemaphoreTake( *( SemaphoreHandle_t * ) synchHandle, portMAX_DELAY ) == pdTRUE ) ? true : false;
-
- case TCPIP_MAC_SYNCH_REQUEST_OBJ_UNLOCK:
-
- return ( xSemaphoreGive( *( SemaphoreHandle_t * ) synchHandle ) == pdTRUE ) ? true : false;
-
- case TCPIP_MAC_SYNCH_REQUEST_CRIT_ENTER:
- vTaskSuspendAll();
-
- return true;
-
- case TCPIP_MAC_SYNCH_REQUEST_CRIT_LEAVE:
- xTaskResumeAll();
-
- return true;
-
- default:
-
- return false;
- }
- }
-
-
- /*-----------------------------------------------------------*/
-
- static void MacHandlerTask( void * params )
- {
- EventBits_t evBits;
-
- /* perform the MAC initialization */
- while( macObjStatus == SYS_STATUS_BUSY )
- {
- /* process the underlying MAC module tasks */
- ( macObject->TCPIP_MAC_Tasks )( macObjHandle );
-
- SYS_STATUS macStatus = ( macObject->TCPIP_MAC_Status )( macObjHandle );
-
- if( macStatus == SYS_STATUS_BUSY )
- { /* still pending */
- vTaskDelay( PIC32_MAC_TASK_INIT_PENDING_DELAY );
- }
- else
- { /* completed ...somehow */
- macObjStatus = macStatus;
-
- xTaskNotify( ( TaskHandle_t ) params, PIC32_MAC_EVENT_INIT_DONE, eSetBits );
-
- if( macStatus != SYS_STATUS_READY )
- { /* failed miserably */
- vTaskDelete( 0 );
- }
-
- /* done, up and running */
- }
- }
-
- while( true )
- {
- xTaskNotifyWait( PIC32_MAC_EVENT_TIMEOUT | PIC32_MAC_EVENT_IF_PENDING, PIC32_MAC_EVENT_TIMEOUT | PIC32_MAC_EVENT_IF_PENDING, &evBits, portMAX_DELAY );
-
- if( ( evBits & PIC32_MAC_EVENT_TIMEOUT ) != 0 )
- { /* timeout occurred... */
- ( macObject->TCPIP_MAC_Tasks )( macObjHandle );
- bool linkCurr = ( macObject->TCPIP_MAC_LinkCheck )( macCliHandle ); /* check link status */
-
- if( macLinkStatus != linkCurr )
- { /* link status changed; some event could ve fired here if needed */
- PIC32_MAC_DbgPrint( " MAC link: %s!\r\n", linkCurr ? "ON" : "OFF" );
- macLinkStatus = linkCurr;
- }
- }
-
- if( ( evBits & PIC32_MAC_EVENT_IF_PENDING ) != 0 )
- { /* IF events signal */
- TCPIP_MAC_EVENT activeEvents = ( macObject->TCPIP_MAC_EventPendingGet )( macCliHandle );
-
- if( activeEvents != TCPIP_MAC_EV_NONE )
- {
- /* acknowledge the events */
- ( macObject->TCPIP_MAC_EventAcknowledge )( macCliHandle, activeEvents );
-
- /* check for RX */
- if( ( activeEvents & ( TCPIP_MAC_EV_RX_DONE | TCPIP_MAC_EV_RX_OVFLOW | TCPIP_MAC_EV_RX_BUFNA ) ) != 0 )
- { /* RX packets available */
- MacRxPackets();
- }
-
- /* call the driver process function; */
- /* PIC32 driver requests it through TCPIP_MAC_ParametersGet() which is bypassed here! */
- ( macObject->TCPIP_MAC_Process )( macCliHandle );
- }
- }
-
- /* do what you have to do and then wait for another event... */
- }
- }
-
- /*-----------------------------------------------------------*/
-
- static void MacTmrCallback( TimerHandle_t xTimer )
- {
- xTaskNotify( macTaskHandle, PIC32_MAC_EVENT_TIMEOUT, eSetBits );
- }
-
- /* MAC interrupt event function */
- /* MAC signals an event, probably from within ISR */
- /* we care just for RX related events */
- static void MAC_EventFunction( TCPIP_MAC_EVENT event,
- const void * eventParam )
- {
- BaseType_t xHigherPriorityTaskWoken;
-
- if( ( event & ( TCPIP_MAC_EV_RX_DONE | TCPIP_MAC_EV_TX_DONE | TCPIP_MAC_EV_RXTX_ERRORS ) ) != 0 )
- {
- xHigherPriorityTaskWoken = pdFALSE;
- xTaskNotifyFromISR( macTaskHandle, PIC32_MAC_EVENT_IF_PENDING, eSetBits, &xHigherPriorityTaskWoken );
-
- if( xHigherPriorityTaskWoken )
- {
- portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );
- }
- }
- }
-
- /*-----------------------------------------------------------*/
-
- BaseType_t xGetPhyLinkStatus( void )
- {
- return macLinkStatus == true ? pdPASS : pdFAIL;
- }
-
-
- /* receive packets from the MAC driver */
- static void MacRxPackets( void )
- {
- TCPIP_MAC_PACKET * pRxPkt;
-
- /* get all the new MAC packets */
- while( ( pRxPkt = ( macObject->TCPIP_MAC_PacketRx )( macCliHandle, 0, 0 ) ) != 0 )
- {
- MacProcessRxPacket( pRxPkt );
- }
- }
-
- /*-----------------------------------------------------------*/
-
- static void MacProcessRxPacket( TCPIP_MAC_PACKET * pRxPkt )
- {
- bool pktSuccess, pktLost;
- size_t pktLength;
- TCPIP_MAC_DATA_SEGMENT * pSeg;
- uint8_t * pPktBuff;
- NetworkBufferDescriptor_t * pxBufferDescriptor;
- IPStackEvent_t xRxEvent;
-
- pxBufferDescriptor = 0;
- pktSuccess = pktLost = false;
-
- while( true )
- {
- pktLength = 0;
- int nSegs = 0;
- pSeg = pRxPkt->pDSeg;
- pPktBuff = pSeg->segLoad;
-
- /* calculate the packet size */
- do
- {
- pktLength += pSeg->segLen;
- pSeg = pSeg->next;
- nSegs++;
- } while( pSeg != 0 );
-
- if( nSegs > 1 )
- { /* no support in FreeRTOS for multi segment packets! */
- break;
- }
-
- /* sizeof(TCPIP_MAC_ETHERNET_HEADER) is subtracted by the driver */
- /* but FreeRTOS needs the whole frame! */
- pktLength += sizeof( TCPIP_MAC_ETHERNET_HEADER );
-
- if( eConsiderFrameForProcessing( pPktBuff ) != eProcessBuffer )
- {
- break;
- }
-
- /* get the network descriptor (no data buffer) to hold this packet */
- pxBufferDescriptor = pxGetNetworkBufferWithDescriptor( 0, 0 );
-
- if( pxBufferDescriptor == 0 )
- {
- pktLost = true;
- break;
- }
-
- PIC32_MacAssociate( pRxPkt, pxBufferDescriptor, pktLength );
-
- xRxEvent.eEventType = eNetworkRxEvent;
- xRxEvent.pvData = ( void * ) pxBufferDescriptor;
-
- /* Send the data to the TCP/IP stack */
- if( xSendEventStructToIPTask( &xRxEvent, 0 ) == pdFALSE )
- { /* failed */
- pktLost = true;
- }
- else
- { /* success */
- pktSuccess = true;
- iptraceNETWORK_INTERFACE_RECEIVE();
- }
-
- break;
- }
-
- if( !pktSuccess )
- { /* smth went wrong; nothing sent to the */
- if( pxBufferDescriptor != 0 )
- {
- pxBufferDescriptor->pucEthernetBuffer = 0;
- vReleaseNetworkBufferAndDescriptor( pxBufferDescriptor );
- }
-
- if( pktLost )
- {
- iptraceETHERNET_RX_EVENT_LOST();
- }
-
- /* acknowledge the packet to the MAC driver */
- if( pRxPkt->ackFunc )
- {
- ( *pRxPkt->ackFunc )( pRxPkt, pRxPkt->ackParam );
- }
- else
- {
- PIC32_MacPacketOrphan( pRxPkt );
- }
- }
- }
-
- #if ( PIC32_MAC_DEBUG_COMMANDS != 0 )
- /* */
- static int _Command_MacInfo( SYS_CMD_DEVICE_NODE * pCmdIO,
- int argc,
- char ** argv )
- {
- TCPIP_MAC_RES macRes;
- TCPIP_MAC_RX_STATISTICS rxStatistics;
- TCPIP_MAC_TX_STATISTICS txStatistics;
- TCPIP_MAC_STATISTICS_REG_ENTRY regEntries[ 8 ];
- TCPIP_MAC_STATISTICS_REG_ENTRY * pRegEntry;
- int jx, hwEntries;
- char entryName[ sizeof( pRegEntry->registerName ) + 1 ];
-
- const void * cmdIoParam = pCmdIO->cmdIoParam;
-
- if( argc != 1 )
- {
- ( *pCmdIO->pCmdApi->msg )( cmdIoParam, "Usage: macinfo \r\n" );
- ( *pCmdIO->pCmdApi->msg )( cmdIoParam, "Ex: macinfo \r\n" );
-
- return false;
- }
-
- ( *pCmdIO->pCmdApi->print )( cmdIoParam, "Interface: %s driver statistics\r\n", macObject->macName );
- macRes = ( macObject->TCPIP_MAC_StatisticsGet )( macCliHandle, &rxStatistics, &txStatistics );
-
- if( macRes == TCPIP_MAC_RES_OK )
- {
- ( *pCmdIO->pCmdApi->print )( cmdIoParam, "\tnRxOkPackets: %d, nRxPendBuffers: %d, nRxSchedBuffers: %d, ",
- rxStatistics.nRxOkPackets, rxStatistics.nRxPendBuffers, rxStatistics.nRxSchedBuffers );
- ( *pCmdIO->pCmdApi->print )( cmdIoParam, "nRxErrorPackets: %d, nRxFragmentErrors: %d\r\n", rxStatistics.nRxErrorPackets, rxStatistics.nRxFragmentErrors );
- ( *pCmdIO->pCmdApi->print )( cmdIoParam, "\tnTxOkPackets: %d, nTxPendBuffers: %d, nTxErrorPackets: %d, nTxQueueFull: %d\r\n",
- txStatistics.nTxOkPackets, txStatistics.nTxPendBuffers, txStatistics.nTxErrorPackets, txStatistics.nTxQueueFull );
- }
- else
- {
- ( *pCmdIO->pCmdApi->msg )( cmdIoParam, "\tnot supported\r\n" );
- }
-
- ( *pCmdIO->pCmdApi->print )( cmdIoParam, "Interface: %s hardware statistics\r\n", macObject->macName );
- macRes = ( macObject->TCPIP_MAC_RegisterStatisticsGet )( macCliHandle, regEntries, sizeof( regEntries ) / sizeof( *regEntries ), &hwEntries );
-
- if( macRes == TCPIP_MAC_RES_OK )
- {
- entryName[ sizeof( entryName ) - 1 ] = 0;
-
- for( jx = 0, pRegEntry = regEntries; jx < hwEntries && jx < sizeof( regEntries ) / sizeof( *regEntries ); jx++, pRegEntry++ )
- {
- strncpy( entryName, pRegEntry->registerName, sizeof( entryName ) - 1 );
- ( *pCmdIO->pCmdApi->print )( cmdIoParam, "\t%s: 0x%8x\r\n", entryName, pRegEntry->registerValue );
- }
- }
- else
- {
- ( *pCmdIO->pCmdApi->msg )( cmdIoParam, "\tnot supported\r\n" );
- }
-
- return true;
- }
-
- /*-----------------------------------------------------------*/
-
- static int _Command_NetInfo( SYS_CMD_DEVICE_NODE * pCmdIO,
- int argc,
- char ** argv )
- {
- const void * cmdIoParam = pCmdIO->cmdIoParam;
-
- union
- {
- uint32_t ul;
- uint8_t b[ 4 ];
- }
- sUl;
-
- sUl.ul = FreeRTOS_GetIPAddress();
-
- bool linkUp = FreeRTOS_IsNetworkUp() == pdTRUE;
-
- ( *pCmdIO->pCmdApi->print )( cmdIoParam, "IP address: %d.%d.%d.%d\r\n", sUl.b[ 0 ], sUl.b[ 1 ], sUl.b[ 2 ], sUl.b[ 3 ] );
- ( *pCmdIO->pCmdApi->print )( cmdIoParam, "Link is: %s\r\n", linkUp ? "Up" : "Down" );
-
- return true;
- }
-
-#include "aws_application_version.h"
-
-static int _Command_Version(SYS_CMD_DEVICE_NODE* pCmdIO, int argc, char** argv)
-{
- configPRINTF( ( "App version - maj: %d, min: %d, build: %d\r\n", xAppFirmwareVersion.u.x.ucMajor, xAppFirmwareVersion.u.x.ucMinor, xAppFirmwareVersion.u.x.usBuild) );
- return 0;
-}
-
- #endif /* (PIC32_MAC_DEBUG_COMMANDS != 0) */
-#endif /* #ifdef PIC32_USE_ETHERNET */
+/*******************************************************************************\r
+* Network Interface file\r
+*\r
+* Summary:\r
+* Network Interface file for FreeRTOS-Plus-TCP stack\r
+*\r
+* Description:\r
+* - Interfaces PIC32 to the FreeRTOS TCP/IP stack\r
+*******************************************************************************/\r
+\r
+/*******************************************************************************\r
+* File Name: pic32_NetworkInterface.c\r
+* Copyright 2017 Microchip Technology Incorporated and its subsidiaries.\r
+*\r
+* Permission is hereby granted, free of charge, to any person obtaining a copy of\r
+* this software and associated documentation files (the "Software"), to deal in\r
+* the Software without restriction, including without limitation the rights to\r
+* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies\r
+* of the Software, and to permit persons to whom the Software is furnished to do\r
+* so, subject to the following conditions:\r
+* The above copyright notice and this permission notice shall be included in all\r
+* copies or substantial portions of the Software.\r
+*\r
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\r
+* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\r
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE\r
+* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\r
+* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\r
+* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\r
+* SOFTWARE\r
+*******************************************************************************/\r
+#include <sys/kmem.h>\r
+\r
+#include "FreeRTOS.h"\r
+#include "semphr.h"\r
+#include "event_groups.h"\r
+#include "FreeRTOS_IP.h"\r
+#include "FreeRTOS_IP_Private.h"\r
+\r
+#include "NetworkInterface.h"\r
+#include "NetworkBufferManagement.h"\r
+\r
+\r
+#include "NetworkInterface.h"\r
+#include "NetworkConfig.h"\r
+\r
+#include "peripheral/eth/plib_eth.h"\r
+\r
+#include "system_config.h"\r
+#include "system/console/sys_console.h"\r
+#include "system/debug/sys_debug.h"\r
+#include "system/command/sys_command.h"\r
+\r
+#include "driver/ethmac/drv_ethmac.h"\r
+#include "driver/miim/drv_miim.h"\r
+\r
+#include "tcpip/tcpip.h"\r
+#include "tcpip/src/tcpip_private.h"\r
+#include "tcpip/src/link_list.h"\r
+\r
+#ifdef PIC32_USE_ETHERNET\r
+\r
+ /* local definitions and data */\r
+\r
+ /* debug messages */\r
+ #if ( PIC32_MAC_DEBUG_MESSAGES != 0 )\r
+ #define PIC32_MAC_DbgPrint( format, ... ) SYS_CONSOLE_PRINT( format, ## __VA_ARGS__ )\r
+ #else\r
+ #define PIC32_MAC_DbgPrint( format, ... )\r
+ #endif /* (PIC32_MAC_DEBUG_MESSAGES != 0) */\r
+\r
+ typedef enum\r
+ {\r
+ PIC32_MAC_EVENT_INIT_NONE = 0x000, /* no event/invalid */\r
+\r
+ PIC32_MAC_EVENT_INIT_DONE = 0x001, /* initialization done event */\r
+ PIC32_MAC_EVENT_TIMEOUT = 0x002, /* periodic timeout event */\r
+ PIC32_MAC_EVENT_IF_PENDING = 0x004, /* an interface event signal: RX, TX, errors. etc. */\r
+ } PIC32_MAC_EVENT_TYPE;\r
+\r
+ typedef enum\r
+ {\r
+ eMACInit, /* Must initialise MAC. */\r
+ eMACPass, /* Initialisation was successful. */\r
+ eMACFailed, /* Initialisation failed. */\r
+ } eMAC_INIT_STATUS_TYPE;\r
+\r
+ static TCPIP_STACK_HEAP_HANDLE macHeapHandle;\r
+\r
+ static const TCPIP_MAC_OBJECT * macObject; /* the one and only MAC object; */\r
+\r
+ static SYS_MODULE_OBJ macObjHandle; /* the MAC object instance, obtained at initialization */\r
+ static TCPIP_MAC_HANDLE macCliHandle; /* client handle */\r
+ static volatile SYS_STATUS macObjStatus; /* current MAC status */\r
+\r
+ static TaskHandle_t macTaskHandle;\r
+\r
+ static TimerHandle_t macTmrHandle;\r
+\r
+ static bool macLinkStatus; /* true if link is ON */\r
+\r
+ static eMAC_INIT_STATUS_TYPE xMacInitStatus = eMACInit;\r
+\r
+ /* local prototypes */\r
+ static bool StartInitMac( void );\r
+ static void StartInitCleanup( void );\r
+\r
+ static void SetMacCtrl( TCPIP_MAC_MODULE_CTRL * pMacCtrl );\r
+\r
+ static bool MacSyncFunction( void * synchHandle,\r
+ TCPIP_MAC_SYNCH_REQUEST req );\r
+\r
+ /* the PIC32 MAC task function */\r
+ static void MacHandlerTask( void * params );\r
+\r
+ /* MAC interrupt event function */\r
+ static void MAC_EventFunction( TCPIP_MAC_EVENT event,\r
+ const void * eventParam );\r
+\r
+ /* timer callback for link maintenance, etc; */\r
+ static void MacTmrCallback( TimerHandle_t xTimer );\r
+\r
+ /* MAC RX packets functions */\r
+ static void MacRxPackets( void );\r
+ static void MacProcessRxPacket( TCPIP_MAC_PACKET * pRxPkt );\r
+\r
+\r
+ /* memory allocation mapping to FreeRTOS */\r
+ static void * _malloc( size_t nBytes )\r
+ {\r
+ return pvPortMalloc( nBytes );\r
+ }\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ static void * _calloc( size_t nElems,\r
+ size_t elemSize )\r
+ {\r
+ size_t nBytes = nElems * elemSize;\r
+\r
+ void * ptr = pvPortMalloc( nBytes );\r
+\r
+ if( ptr != 0 )\r
+ {\r
+ memset( ptr, 0, nBytes );\r
+ }\r
+\r
+ return ptr;\r
+ }\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ static void _free( void * pBuff )\r
+ {\r
+ vPortFree( pBuff );\r
+ }\r
+\r
+ /* extern references */\r
+ /* */\r
+ /* use the configuration data from the system_init.c */\r
+ extern const TCPIP_NETWORK_CONFIG TCPIP_HOSTS_CONFIGURATION[];\r
+\r
+ /* BufferAllocation_2.c:: packet allocation function */\r
+ extern TCPIP_MAC_PACKET * PIC32_MacPacketAllocate( uint16_t pktLen,\r
+ uint16_t segLoadLen,\r
+ TCPIP_MAC_PACKET_FLAGS flags );\r
+\r
+ extern void PIC32_MacAssociate( TCPIP_MAC_PACKET * pRxPkt,\r
+ NetworkBufferDescriptor_t * pxBufferDescriptor,\r
+ size_t pktLength );\r
+ extern void PIC32_MacPacketOrphan( TCPIP_MAC_PACKET * pPkt );\r
+\r
+ /* cannot use the system_init.c::tcpipHeapConfig because FreeRTOS does not have a calloc function! */\r
+ /* we build it here! */\r
+\r
+ /* make sure we're running with external heap! Redirect to FreeRTOS. */\r
+ #if !defined( TCPIP_STACK_USE_EXTERNAL_HEAP ) || defined( TCPIP_STACK_USE_INTERNAL_HEAP ) || defined( TCPIP_STACK_USE_INTERNAL_HEAP_POOL )\r
+ #error "TCPIP_STACK_USE_EXTERNAL_HEAP should be defined for this project!"\r
+ #endif\r
+\r
+ static const TCPIP_STACK_HEAP_EXTERNAL_CONFIG tcpipHeapConfig =\r
+ {\r
+ .heapType = TCPIP_STACK_HEAP_TYPE_EXTERNAL_HEAP,\r
+ .heapFlags = TCPIP_STACK_HEAP_FLAG_ALLOC_UNCACHED | TCPIP_STACK_HEAP_FLAG_NO_MTHREAD_SYNC,\r
+ .heapUsage = TCPIP_STACK_HEAP_USE_DEFAULT,\r
+ .malloc_fnc = _malloc,\r
+ .calloc_fnc = _calloc,\r
+ .free_fnc = _free,\r
+ };\r
+\r
+ #if ( PIC32_MAC_DEBUG_COMMANDS != 0 )\r
+ static int _Command_MacInfo( SYS_CMD_DEVICE_NODE * pCmdIO,\r
+ int argc,\r
+ char ** argv );\r
+ static int _Command_NetInfo( SYS_CMD_DEVICE_NODE * pCmdIO,\r
+ int argc,\r
+ char ** argv );\r
+ static int _Command_Version( SYS_CMD_DEVICE_NODE * pCmdIO,\r
+ int argc,\r
+ char ** argv );\r
+\r
+ static const SYS_CMD_DESCRIPTOR macCmdTbl[] =\r
+ {\r
+ { "macinfo", _Command_MacInfo, ": Check MAC statistics" },\r
+ { "netinfo", _Command_NetInfo, ": Net info" },\r
+ { "version", _Command_Version, ": Version info" },\r
+ };\r
+ #endif /* (PIC32_MAC_DEBUG_COMMANDS != 0) */\r
+\r
+\r
+ /* FreeRTOS implementation functions */\r
+ BaseType_t xNetworkInterfaceInitialise( void )\r
+ {\r
+ BaseType_t xResult;\r
+\r
+ if( xMacInitStatus == eMACInit )\r
+ {\r
+ /* This is the first time this function is called. */\r
+ if( StartInitMac() != false )\r
+ {\r
+ /* Indicate that the MAC initialisation succeeded. */\r
+ xMacInitStatus = eMACPass;\r
+ }\r
+ else\r
+ {\r
+ xMacInitStatus = eMACFailed;\r
+ }\r
+ }\r
+\r
+ if( xMacInitStatus == eMACPass )\r
+ {\r
+ xResult = xGetPhyLinkStatus();\r
+ }\r
+ else\r
+ {\r
+ xResult = pdFAIL;\r
+ }\r
+\r
+ PIC32_MAC_DbgPrint( "xNetworkInterfaceInitialise: %d %d\r\n", ( int ) xMacInitStatus, ( int ) xResult );\r
+\r
+ return xResult;\r
+ }\r
+\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ BaseType_t xNetworkInterfaceOutput( NetworkBufferDescriptor_t * const pxDescriptor,\r
+ BaseType_t xReleaseAfterSend )\r
+ {\r
+ TCPIP_MAC_RES macRes;\r
+ TCPIP_MAC_PACKET * pTxPkt;\r
+\r
+ BaseType_t retRes = pdFALSE;\r
+\r
+\r
+ if( ( pxDescriptor != 0 ) && ( pxDescriptor->pucEthernetBuffer != 0 ) && ( pxDescriptor->xDataLength != 0 ) )\r
+ {\r
+ TCPIP_MAC_PACKET ** ppkt = ( TCPIP_MAC_PACKET ** ) ( pxDescriptor->pucEthernetBuffer - PIC32_BUFFER_PKT_PTR_OSSET );\r
+ configASSERT( ( ( uint32_t ) ppkt & ( sizeof( uint32_t ) - 1 ) ) == 0 );\r
+ pTxPkt = *ppkt;\r
+ configASSERT( pTxPkt != 0 );\r
+\r
+ /* prepare the packet for transmission */\r
+ /* set the correct data length: */\r
+ configASSERT( pTxPkt->pDSeg->segSize >= pTxPkt->pDSeg->segLen );\r
+ pTxPkt->pDSeg->segLen = pxDescriptor->xDataLength;\r
+ pTxPkt->next = 0; /* unlink it */\r
+ macRes = ( macObject->TCPIP_MAC_PacketTx )( macCliHandle, pTxPkt );\r
+\r
+ if( macRes >= 0 )\r
+ {\r
+ retRes = pdTRUE;\r
+ pxDescriptor->pucEthernetBuffer = 0; /* it will be released by the MAC driver once it's transmitted */\r
+ iptraceNETWORK_INTERFACE_TRANSMIT();\r
+ }\r
+\r
+ /* else same error occurred; this normally should not happen! But the buffer is left in there so it shold be freed! */\r
+\r
+ /* The buffer has been sent so can be released. */\r
+ if( xReleaseAfterSend != pdFALSE )\r
+ {\r
+ vReleaseNetworkBufferAndDescriptor( pxDescriptor );\r
+ }\r
+ }\r
+\r
+ return retRes;\r
+ }\r
+\r
+\r
+ /************************************* Section: helper functions ************************************************** */\r
+ /* */\r
+\r
+ void PIC32_GetMACAddress( uint8_t macAdd[ 6 ] )\r
+ {\r
+ #if defined( __PIC32MZ__ ) || defined( __PIC32MX__ )\r
+ PLIB_ETH_MACGetAddress( ETH_ID_0, macAdd );\r
+ #else\r
+ #error "MAC Address: not supported architecture!"\r
+ #endif\r
+ }\r
+\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ const void * const PIC32_GetMacConfigData( void )\r
+ {\r
+ #if defined( __PIC32MZ__ ) || defined( __PIC32MX__ )\r
+ extern const TCPIP_MODULE_MAC_PIC32INT_CONFIG tcpipMACPIC32INTInitData;\r
+\r
+ return &tcpipMACPIC32INTInitData;\r
+ #else\r
+ #error "MAC Address: not supported architecture!"\r
+ #endif\r
+ }\r
+\r
+ /************************************* Section: worker code ************************************************** */\r
+ /* */\r
+\r
+\r
+ static bool StartInitMac( void )\r
+ {\r
+ TCPIP_MAC_MODULE_CTRL macCtrl;\r
+ SYS_MODULE_INIT moduleInit;\r
+ EventBits_t evBits;\r
+\r
+\r
+ /* perform some initialization of all variables so that we can cleanup what failed */\r
+ /* if something failed, the routine will be called again and again by FreeRTOS! */\r
+ macHeapHandle = 0;\r
+ macObjHandle = 0;\r
+ macCliHandle = 0;\r
+ macTmrHandle = 0;\r
+ macTaskHandle = 0;\r
+ macObject = TCPIP_HOSTS_CONFIGURATION[ 0 ].pMacObject; /* the MAC object we use */\r
+ macObjStatus = SYS_STATUS_UNINITIALIZED;\r
+ macLinkStatus = false;\r
+\r
+ int netUpFail = 0;\r
+\r
+ while( true )\r
+ {\r
+ /* start the allocator */\r
+ macHeapHandle = TCPIP_HEAP_Create( ( const TCPIP_STACK_HEAP_CONFIG * ) &tcpipHeapConfig, 0 );\r
+\r
+ if( macHeapHandle == 0 )\r
+ {\r
+ netUpFail = 1;\r
+ break;\r
+ }\r
+\r
+ if( TCPIP_PKT_Initialize( macHeapHandle, 0, 0 ) == false )\r
+ {\r
+ netUpFail = 2;\r
+ break;\r
+ }\r
+\r
+ moduleInit.sys.powerState = SYS_MODULE_POWER_RUN_FULL;\r
+\r
+ /* Initialize the MAC. MAC address is defined to 0x000000000000 in\r
+ * FreeRTOSConfig.h and therefore it will be initialized to the\r
+ * factory programmed MAC address. */\r
+ SetMacCtrl( &macCtrl );\r
+ /* Set the mac address in the FreeRTOS+TCP stack. */\r
+ FreeRTOS_UpdateMACAddress( macCtrl.ifPhyAddress.v );\r
+\r
+ TCPIP_MAC_INIT macInit =\r
+ {\r
+ .moduleInit = { moduleInit.value },\r
+ .macControl = &macCtrl,\r
+ .moduleData = PIC32_GetMacConfigData(),\r
+ };\r
+\r
+ macObjHandle = ( macObject->TCPIP_MAC_Initialize )( TCPIP_MODULE_MAC_PIC32INT, &macInit.moduleInit );\r
+\r
+ if( macObjHandle == SYS_MODULE_OBJ_INVALID )\r
+ {\r
+ macObjHandle = 0;\r
+ netUpFail = 4;\r
+ break;\r
+ }\r
+\r
+ /* open the MAC */\r
+ macCliHandle = ( macObject->TCPIP_MAC_Open )( TCPIP_MODULE_MAC_PIC32INT, DRV_IO_INTENT_READWRITE );\r
+\r
+ if( macCliHandle == DRV_HANDLE_INVALID )\r
+ {\r
+ macCliHandle = 0;\r
+ netUpFail = 5;\r
+ break;\r
+ }\r
+\r
+ if( !( macObject->TCPIP_MAC_EventMaskSet )( macCliHandle, ( TCPIP_MAC_EV_RX_DONE | TCPIP_MAC_EV_TX_DONE | TCPIP_MAC_EV_RXTX_ERRORS ), true ) )\r
+ {\r
+ netUpFail = 6;\r
+ break;\r
+ }\r
+\r
+ /* completed the MAC initialization */\r
+ /* continue the initialization */\r
+ macTmrHandle = xTimerCreate( PIC32_MAC_TIMER_NAME, PIC32_MAC_TIMER_PERIOD, pdTRUE, 0, MacTmrCallback );\r
+\r
+ if( ( macTmrHandle == 0 ) || ( xTimerStart( macTmrHandle, 0 ) != pdPASS ) )\r
+ {\r
+ netUpFail = 8;\r
+ break;\r
+ }\r
+\r
+ /* spawn the PIC32 MAC task function */\r
+ /* and wait for its event signal */\r
+ macObjStatus = SYS_STATUS_BUSY;\r
+\r
+ if( xTaskCreate( MacHandlerTask, PIC32_MAC_TASK_NAME, PIC32_MAC_TASK_STACK_SIZE, xTaskGetCurrentTaskHandle(), PIC32_MAC_TASK_PRI, &macTaskHandle ) != pdPASS )\r
+ { /* failed */\r
+ netUpFail = 9;\r
+ break;\r
+ }\r
+\r
+ xTaskNotifyWait( PIC32_MAC_EVENT_INIT_DONE, PIC32_MAC_EVENT_INIT_DONE, &evBits, PIC32_MAC_INIT_TIMEOUT );\r
+\r
+ if( ( evBits & PIC32_MAC_EVENT_INIT_DONE ) == 0 )\r
+ { /* timed out */\r
+ netUpFail = 10;\r
+ break;\r
+ }\r
+\r
+ if( macObjStatus != SYS_STATUS_READY )\r
+ { /* failed somehow ??? */\r
+ netUpFail = 11;\r
+ break;\r
+ }\r
+\r
+ netUpFail = 0;\r
+ break;\r
+ }\r
+\r
+ if( netUpFail == 0 )\r
+ {\r
+ PIC32_MAC_DbgPrint( " MAC Init success!\r\n" );\r
+\r
+ #if ( PIC32_MAC_DEBUG_COMMANDS != 0 )\r
+ /* create command group */\r
+ if( !SYS_CMD_ADDGRP( macCmdTbl, sizeof( macCmdTbl ) / sizeof( *macCmdTbl ), "mac", ": mac commands" ) )\r
+ {\r
+ PIC32_MAC_DbgPrint( "Failed to create MAC Commands\r\n" );\r
+ }\r
+ #endif /* (PIC32_MAC_DEBUG_COMMANDS != 0) */\r
+\r
+ return true;\r
+ }\r
+ else\r
+ {\r
+ StartInitCleanup();\r
+ PIC32_MAC_DbgPrint( "MAC Init failed: %d!\r\n", netUpFail );\r
+\r
+ return false;\r
+ }\r
+ }\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ static void StartInitCleanup( void )\r
+ {\r
+ if( macHeapHandle != 0 )\r
+ {\r
+ TCPIP_HEAP_Delete( macHeapHandle );\r
+ macHeapHandle = 0;\r
+ }\r
+\r
+ if( macObjHandle != 0 )\r
+ {\r
+ ( macObject->TCPIP_MAC_Deinitialize )( macObjHandle );\r
+ macObjHandle = 0;\r
+ }\r
+\r
+ if( macTmrHandle != 0 )\r
+ {\r
+ xTimerDelete( macTmrHandle, portMAX_DELAY );\r
+ macTmrHandle = 0;\r
+ }\r
+\r
+ if( macTaskHandle != 0 )\r
+ {\r
+ vTaskDelete( macTaskHandle );\r
+ macTaskHandle = 0;\r
+ }\r
+ }\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ static void SetMacCtrl( TCPIP_MAC_MODULE_CTRL * pMacCtrl )\r
+ {\r
+ TCPIP_MAC_ADDR macAdd;\r
+ uint8_t unsetMACAddr[ 6 ] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; /* not set MAC address */\r
+\r
+ pMacCtrl->nIfs = 1;\r
+\r
+ pMacCtrl->mallocF = TCPIP_HEAP_MallocOutline;\r
+ pMacCtrl->callocF = TCPIP_HEAP_CallocOutline;\r
+ pMacCtrl->freeF = TCPIP_HEAP_FreeOutline;\r
+ pMacCtrl->memH = macHeapHandle;\r
+\r
+\r
+ pMacCtrl->pktAllocF = PIC32_MacPacketAllocate;\r
+ pMacCtrl->pktFreeF = ( TCPIP_MAC_PKT_FreeF ) _TCPIP_PKT_FREE_FNC;\r
+ pMacCtrl->pktAckF = ( TCPIP_MAC_PKT_AckF ) _TCPIP_PKT_ACK_FNC;\r
+\r
+ pMacCtrl->synchF = MacSyncFunction;\r
+\r
+ pMacCtrl->eventF = MAC_EventFunction;\r
+ pMacCtrl->eventParam = 0;\r
+\r
+ pMacCtrl->moduleId = TCPIP_MODULE_MAC_PIC32INT;\r
+ pMacCtrl->netIx = 0;\r
+ pMacCtrl->macAction = TCPIP_MAC_ACTION_INIT;\r
+ pMacCtrl->powerMode = TCPIP_MAC_POWER_FULL;\r
+\r
+ macAdd.v[ 0 ] = configMAC_ADDR0;\r
+ macAdd.v[ 1 ] = configMAC_ADDR1;\r
+ macAdd.v[ 2 ] = configMAC_ADDR2;\r
+ macAdd.v[ 3 ] = configMAC_ADDR3;\r
+ macAdd.v[ 4 ] = configMAC_ADDR4;\r
+ macAdd.v[ 5 ] = configMAC_ADDR5;\r
+\r
+ if( memcmp( macAdd.v, unsetMACAddr, sizeof( unsetMACAddr ) ) == 0 )\r
+ { /* if unspecified we use the factory pre-programmed address */\r
+ PIC32_GetMACAddress( pMacCtrl->ifPhyAddress.v );\r
+ }\r
+ else\r
+ { /* use the config suggested one */\r
+ memcpy( pMacCtrl->ifPhyAddress.v, macAdd.v, sizeof( macAdd ) );\r
+ }\r
+ }\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ static bool MacSyncFunction( void * synchHandle,\r
+ TCPIP_MAC_SYNCH_REQUEST req )\r
+ {\r
+ switch( req )\r
+ {\r
+ case TCPIP_MAC_SYNCH_REQUEST_OBJ_CREATE:\r
+ vSemaphoreCreateBinary( *( SemaphoreHandle_t * ) synchHandle );\r
+\r
+ return ( *( SemaphoreHandle_t * ) synchHandle == NULL ) ? false : true;\r
+\r
+ case TCPIP_MAC_SYNCH_REQUEST_OBJ_DELETE:\r
+ vSemaphoreDelete( *( SemaphoreHandle_t * ) synchHandle );\r
+ *( SemaphoreHandle_t * ) synchHandle = NULL;\r
+\r
+ return true;\r
+\r
+ case TCPIP_MAC_SYNCH_REQUEST_OBJ_LOCK:\r
+\r
+ return ( xSemaphoreTake( *( SemaphoreHandle_t * ) synchHandle, portMAX_DELAY ) == pdTRUE ) ? true : false;\r
+\r
+ case TCPIP_MAC_SYNCH_REQUEST_OBJ_UNLOCK:\r
+\r
+ return ( xSemaphoreGive( *( SemaphoreHandle_t * ) synchHandle ) == pdTRUE ) ? true : false;\r
+\r
+ case TCPIP_MAC_SYNCH_REQUEST_CRIT_ENTER:\r
+ vTaskSuspendAll();\r
+\r
+ return true;\r
+\r
+ case TCPIP_MAC_SYNCH_REQUEST_CRIT_LEAVE:\r
+ xTaskResumeAll();\r
+\r
+ return true;\r
+\r
+ default:\r
+\r
+ return false;\r
+ }\r
+ }\r
+\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ static void MacHandlerTask( void * params )\r
+ {\r
+ EventBits_t evBits;\r
+\r
+ /* perform the MAC initialization */\r
+ while( macObjStatus == SYS_STATUS_BUSY )\r
+ {\r
+ /* process the underlying MAC module tasks */\r
+ ( macObject->TCPIP_MAC_Tasks )( macObjHandle );\r
+\r
+ SYS_STATUS macStatus = ( macObject->TCPIP_MAC_Status )( macObjHandle );\r
+\r
+ if( macStatus == SYS_STATUS_BUSY )\r
+ { /* still pending */\r
+ vTaskDelay( PIC32_MAC_TASK_INIT_PENDING_DELAY );\r
+ }\r
+ else\r
+ { /* completed ...somehow */\r
+ macObjStatus = macStatus;\r
+\r
+ xTaskNotify( ( TaskHandle_t ) params, PIC32_MAC_EVENT_INIT_DONE, eSetBits );\r
+\r
+ if( macStatus != SYS_STATUS_READY )\r
+ { /* failed miserably */\r
+ vTaskDelete( 0 );\r
+ }\r
+\r
+ /* done, up and running */\r
+ }\r
+ }\r
+\r
+ while( true )\r
+ {\r
+ xTaskNotifyWait( PIC32_MAC_EVENT_TIMEOUT | PIC32_MAC_EVENT_IF_PENDING, PIC32_MAC_EVENT_TIMEOUT | PIC32_MAC_EVENT_IF_PENDING, &evBits, portMAX_DELAY );\r
+\r
+ if( ( evBits & PIC32_MAC_EVENT_TIMEOUT ) != 0 )\r
+ { /* timeout occurred... */\r
+ ( macObject->TCPIP_MAC_Tasks )( macObjHandle );\r
+ bool linkCurr = ( macObject->TCPIP_MAC_LinkCheck )( macCliHandle ); /* check link status */\r
+\r
+ if( macLinkStatus != linkCurr )\r
+ { /* link status changed; some event could ve fired here if needed */\r
+ PIC32_MAC_DbgPrint( " MAC link: %s!\r\n", linkCurr ? "ON" : "OFF" );\r
+ macLinkStatus = linkCurr;\r
+ }\r
+ }\r
+\r
+ if( ( evBits & PIC32_MAC_EVENT_IF_PENDING ) != 0 )\r
+ { /* IF events signal */\r
+ TCPIP_MAC_EVENT activeEvents = ( macObject->TCPIP_MAC_EventPendingGet )( macCliHandle );\r
+\r
+ if( activeEvents != TCPIP_MAC_EV_NONE )\r
+ {\r
+ /* acknowledge the events */\r
+ ( macObject->TCPIP_MAC_EventAcknowledge )( macCliHandle, activeEvents );\r
+\r
+ /* check for RX */\r
+ if( ( activeEvents & ( TCPIP_MAC_EV_RX_DONE | TCPIP_MAC_EV_RX_OVFLOW | TCPIP_MAC_EV_RX_BUFNA ) ) != 0 )\r
+ { /* RX packets available */\r
+ MacRxPackets();\r
+ }\r
+\r
+ /* call the driver process function; */\r
+ /* PIC32 driver requests it through TCPIP_MAC_ParametersGet() which is bypassed here! */\r
+ ( macObject->TCPIP_MAC_Process )( macCliHandle );\r
+ }\r
+ }\r
+\r
+ /* do what you have to do and then wait for another event... */\r
+ }\r
+ }\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ static void MacTmrCallback( TimerHandle_t xTimer )\r
+ {\r
+ xTaskNotify( macTaskHandle, PIC32_MAC_EVENT_TIMEOUT, eSetBits );\r
+ }\r
+\r
+ /* MAC interrupt event function */\r
+ /* MAC signals an event, probably from within ISR */\r
+ /* we care just for RX related events */\r
+ static void MAC_EventFunction( TCPIP_MAC_EVENT event,\r
+ const void * eventParam )\r
+ {\r
+ BaseType_t xHigherPriorityTaskWoken;\r
+\r
+ if( ( event & ( TCPIP_MAC_EV_RX_DONE | TCPIP_MAC_EV_TX_DONE | TCPIP_MAC_EV_RXTX_ERRORS ) ) != 0 )\r
+ {\r
+ xHigherPriorityTaskWoken = pdFALSE;\r
+ xTaskNotifyFromISR( macTaskHandle, PIC32_MAC_EVENT_IF_PENDING, eSetBits, &xHigherPriorityTaskWoken );\r
+\r
+ if( xHigherPriorityTaskWoken )\r
+ {\r
+ portEND_SWITCHING_ISR( xHigherPriorityTaskWoken );\r
+ }\r
+ }\r
+ }\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ BaseType_t xGetPhyLinkStatus( void )\r
+ {\r
+ return macLinkStatus == true ? pdPASS : pdFAIL;\r
+ }\r
+\r
+\r
+ /* receive packets from the MAC driver */\r
+ static void MacRxPackets( void )\r
+ {\r
+ TCPIP_MAC_PACKET * pRxPkt;\r
+\r
+ /* get all the new MAC packets */\r
+ while( ( pRxPkt = ( macObject->TCPIP_MAC_PacketRx )( macCliHandle, 0, 0 ) ) != 0 )\r
+ {\r
+ MacProcessRxPacket( pRxPkt );\r
+ }\r
+ }\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ static void MacProcessRxPacket( TCPIP_MAC_PACKET * pRxPkt )\r
+ {\r
+ bool pktSuccess, pktLost;\r
+ size_t pktLength;\r
+ TCPIP_MAC_DATA_SEGMENT * pSeg;\r
+ uint8_t * pPktBuff;\r
+ NetworkBufferDescriptor_t * pxBufferDescriptor;\r
+ IPStackEvent_t xRxEvent;\r
+\r
+ pxBufferDescriptor = 0;\r
+ pktSuccess = pktLost = false;\r
+\r
+ while( true )\r
+ {\r
+ pktLength = 0;\r
+ int nSegs = 0;\r
+ pSeg = pRxPkt->pDSeg;\r
+ pPktBuff = pSeg->segLoad;\r
+\r
+ /* calculate the packet size */\r
+ do\r
+ {\r
+ pktLength += pSeg->segLen;\r
+ pSeg = pSeg->next;\r
+ nSegs++;\r
+ } while( pSeg != 0 );\r
+\r
+ if( nSegs > 1 )\r
+ { /* no support in FreeRTOS for multi segment packets! */\r
+ break;\r
+ }\r
+\r
+ /* sizeof(TCPIP_MAC_ETHERNET_HEADER) is subtracted by the driver */\r
+ /* but FreeRTOS needs the whole frame! */\r
+ pktLength += sizeof( TCPIP_MAC_ETHERNET_HEADER );\r
+\r
+ if( eConsiderFrameForProcessing( pPktBuff ) != eProcessBuffer )\r
+ {\r
+ break;\r
+ }\r
+\r
+ /* get the network descriptor (no data buffer) to hold this packet */\r
+ pxBufferDescriptor = pxGetNetworkBufferWithDescriptor( 0, 0 );\r
+\r
+ if( pxBufferDescriptor == 0 )\r
+ {\r
+ pktLost = true;\r
+ break;\r
+ }\r
+\r
+ PIC32_MacAssociate( pRxPkt, pxBufferDescriptor, pktLength );\r
+\r
+ xRxEvent.eEventType = eNetworkRxEvent;\r
+ xRxEvent.pvData = ( void * ) pxBufferDescriptor;\r
+\r
+ /* Send the data to the TCP/IP stack */\r
+ if( xSendEventStructToIPTask( &xRxEvent, 0 ) == pdFALSE )\r
+ { /* failed */\r
+ pktLost = true;\r
+ }\r
+ else\r
+ { /* success */\r
+ pktSuccess = true;\r
+ iptraceNETWORK_INTERFACE_RECEIVE();\r
+ }\r
+\r
+ break;\r
+ }\r
+\r
+ if( !pktSuccess )\r
+ { /* smth went wrong; nothing sent to the */\r
+ if( pxBufferDescriptor != 0 )\r
+ {\r
+ pxBufferDescriptor->pucEthernetBuffer = 0;\r
+ vReleaseNetworkBufferAndDescriptor( pxBufferDescriptor );\r
+ }\r
+\r
+ if( pktLost )\r
+ {\r
+ iptraceETHERNET_RX_EVENT_LOST();\r
+ }\r
+\r
+ /* acknowledge the packet to the MAC driver */\r
+ if( pRxPkt->ackFunc )\r
+ {\r
+ ( *pRxPkt->ackFunc )( pRxPkt, pRxPkt->ackParam );\r
+ }\r
+ else\r
+ {\r
+ PIC32_MacPacketOrphan( pRxPkt );\r
+ }\r
+ }\r
+ }\r
+\r
+ #if ( PIC32_MAC_DEBUG_COMMANDS != 0 )\r
+ /* */\r
+ static int _Command_MacInfo( SYS_CMD_DEVICE_NODE * pCmdIO,\r
+ int argc,\r
+ char ** argv )\r
+ {\r
+ TCPIP_MAC_RES macRes;\r
+ TCPIP_MAC_RX_STATISTICS rxStatistics;\r
+ TCPIP_MAC_TX_STATISTICS txStatistics;\r
+ TCPIP_MAC_STATISTICS_REG_ENTRY regEntries[ 8 ];\r
+ TCPIP_MAC_STATISTICS_REG_ENTRY * pRegEntry;\r
+ int jx, hwEntries;\r
+ char entryName[ sizeof( pRegEntry->registerName ) + 1 ];\r
+\r
+ const void * cmdIoParam = pCmdIO->cmdIoParam;\r
+\r
+ if( argc != 1 )\r
+ {\r
+ ( *pCmdIO->pCmdApi->msg )( cmdIoParam, "Usage: macinfo \r\n" );\r
+ ( *pCmdIO->pCmdApi->msg )( cmdIoParam, "Ex: macinfo \r\n" );\r
+\r
+ return false;\r
+ }\r
+\r
+ ( *pCmdIO->pCmdApi->print )( cmdIoParam, "Interface: %s driver statistics\r\n", macObject->macName );\r
+ macRes = ( macObject->TCPIP_MAC_StatisticsGet )( macCliHandle, &rxStatistics, &txStatistics );\r
+\r
+ if( macRes == TCPIP_MAC_RES_OK )\r
+ {\r
+ ( *pCmdIO->pCmdApi->print )( cmdIoParam, "\tnRxOkPackets: %d, nRxPendBuffers: %d, nRxSchedBuffers: %d, ",\r
+ rxStatistics.nRxOkPackets, rxStatistics.nRxPendBuffers, rxStatistics.nRxSchedBuffers );\r
+ ( *pCmdIO->pCmdApi->print )( cmdIoParam, "nRxErrorPackets: %d, nRxFragmentErrors: %d\r\n", rxStatistics.nRxErrorPackets, rxStatistics.nRxFragmentErrors );\r
+ ( *pCmdIO->pCmdApi->print )( cmdIoParam, "\tnTxOkPackets: %d, nTxPendBuffers: %d, nTxErrorPackets: %d, nTxQueueFull: %d\r\n",\r
+ txStatistics.nTxOkPackets, txStatistics.nTxPendBuffers, txStatistics.nTxErrorPackets, txStatistics.nTxQueueFull );\r
+ }\r
+ else\r
+ {\r
+ ( *pCmdIO->pCmdApi->msg )( cmdIoParam, "\tnot supported\r\n" );\r
+ }\r
+\r
+ ( *pCmdIO->pCmdApi->print )( cmdIoParam, "Interface: %s hardware statistics\r\n", macObject->macName );\r
+ macRes = ( macObject->TCPIP_MAC_RegisterStatisticsGet )( macCliHandle, regEntries, sizeof( regEntries ) / sizeof( *regEntries ), &hwEntries );\r
+\r
+ if( macRes == TCPIP_MAC_RES_OK )\r
+ {\r
+ entryName[ sizeof( entryName ) - 1 ] = 0;\r
+\r
+ for( jx = 0, pRegEntry = regEntries; jx < hwEntries && jx < sizeof( regEntries ) / sizeof( *regEntries ); jx++, pRegEntry++ )\r
+ {\r
+ strncpy( entryName, pRegEntry->registerName, sizeof( entryName ) - 1 );\r
+ ( *pCmdIO->pCmdApi->print )( cmdIoParam, "\t%s: 0x%8x\r\n", entryName, pRegEntry->registerValue );\r
+ }\r
+ }\r
+ else\r
+ {\r
+ ( *pCmdIO->pCmdApi->msg )( cmdIoParam, "\tnot supported\r\n" );\r
+ }\r
+\r
+ return true;\r
+ }\r
+\r
+ /*-----------------------------------------------------------*/\r
+\r
+ static int _Command_NetInfo( SYS_CMD_DEVICE_NODE * pCmdIO,\r
+ int argc,\r
+ char ** argv )\r
+ {\r
+ const void * cmdIoParam = pCmdIO->cmdIoParam;\r
+\r
+ union\r
+ {\r
+ uint32_t ul;\r
+ uint8_t b[ 4 ];\r
+ }\r
+ sUl;\r
+\r
+ sUl.ul = FreeRTOS_GetIPAddress();\r
+\r
+ bool linkUp = FreeRTOS_IsNetworkUp() == pdTRUE;\r
+\r
+ ( *pCmdIO->pCmdApi->print )( cmdIoParam, "IP address: %d.%d.%d.%d\r\n", sUl.b[ 0 ], sUl.b[ 1 ], sUl.b[ 2 ], sUl.b[ 3 ] );\r
+ ( *pCmdIO->pCmdApi->print )( cmdIoParam, "Link is: %s\r\n", linkUp ? "Up" : "Down" );\r
+\r
+ return true;\r
+ }\r
+\r
+#include "aws_application_version.h"\r
+\r
+static int _Command_Version(SYS_CMD_DEVICE_NODE* pCmdIO, int argc, char** argv)\r
+{\r
+ configPRINTF( ( "App version - maj: %d, min: %d, build: %d\r\n", xAppFirmwareVersion.u.x.ucMajor, xAppFirmwareVersion.u.x.ucMinor, xAppFirmwareVersion.u.x.usBuild) );\r
+ return 0;\r
+}\r
+\r
+ #endif /* (PIC32_MAC_DEBUG_COMMANDS != 0) */\r
+#endif /* #ifdef PIC32_USE_ETHERNET */\r
projects / freertos / blobdiff