diff options
Diffstat (limited to 'FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/pic32mzef/NetworkInterface_eth.c')
| -rw-r--r-- | FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/pic32mzef/NetworkInterface_eth.c | 889 |
1 files changed, 889 insertions, 0 deletions
diff --git a/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/pic32mzef/NetworkInterface_eth.c b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/pic32mzef/NetworkInterface_eth.c new file mode 100644 index 000000000..1b7584c44 --- /dev/null +++ b/FreeRTOS-Plus/Source/FreeRTOS-Plus-TCP/portable/NetworkInterface/pic32mzef/NetworkInterface_eth.c @@ -0,0 +1,889 @@ +/*******************************************************************************
+* 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 */
|