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authorChristian Gromm <christian.gromm@microchip.com>2016-12-08 13:51:04 +0100
committerChristian Gromm <christian.gromm@microchip.com>2016-12-08 13:51:04 +0100
commit8c5f2324d7aa61669324aec1a0ad091fe1379489 (patch)
tree29cbdcdbe3657e1400d596ec3d560a2573d80817 /Src/Network/IndustrialStack_LLD.cpp
parente89ba11bd9111f02a940f227cf979f1947e975ac (diff)
src: unicens: import sources
This patch adds the source tree of the NetworkManager v3.0.4. Additionally, it provides the needed configuration scripts. Change-Id: I23778b51423b51a4f87741957e0fb208bceb79b3 Signed-off-by: Christian Gromm <christian.gromm@microchip.com>
Diffstat (limited to 'Src/Network/IndustrialStack_LLD.cpp')
-rw-r--r--Src/Network/IndustrialStack_LLD.cpp278
1 files changed, 278 insertions, 0 deletions
diff --git a/Src/Network/IndustrialStack_LLD.cpp b/Src/Network/IndustrialStack_LLD.cpp
new file mode 100644
index 0000000..f025dec
--- /dev/null
+++ b/Src/Network/IndustrialStack_LLD.cpp
@@ -0,0 +1,278 @@
+/*
+ * Video On Demand Samples
+ *
+ * Copyright (C) 2015 Microchip Technology Germany II GmbH & Co. KG
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * You may also obtain this software under a propriety license from Microchip.
+ * Please contact Microchip for further information.
+ *
+ */
+
+//#define LLD_TRACE
+
+/*----------------------------------------------------------*/
+/*! \file */
+/*! \brief Base Board initialisation */
+/*----------------------------------------------------------*/
+
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+#include <pthread.h>
+#include <assert.h>
+
+#include "Console.h"
+#include "Board.h"
+#include "DriverConfiguration.h"
+#include "IndustrialStack_LLD.h"
+
+/*----------------------------------------------------------*/
+/* Static C helper functions */
+/*----------------------------------------------------------*/
+
+static void Queue_Init( Queue_t *queue )
+{
+ assert(NULL != queue);
+ queue->testPattern = QUEUE_TESTPATTERN;
+ queue->rxPos = 0;
+ queue->txPos = 0;
+ queue->pRx = queue->dataQueue;
+ queue->pTx = queue->dataQueue;
+}
+
+static QueueEntry_t *Queue_GetRxPtr( Queue_t *queue )
+{
+ assert(NULL != queue && QUEUE_TESTPATTERN == queue->testPattern);
+ QueueEntry_t *pEntry = NULL;
+ if( queue->txPos - queue->rxPos > 0 )
+ {
+ pEntry = queue->pRx;
+ }
+ return pEntry;
+}
+
+static void Queue_PopRx( Queue_t *queue )
+{
+ assert(NULL != queue && QUEUE_TESTPATTERN == queue->testPattern);
+ if( ++queue->pRx >= queue->dataQueue + BOARD_PMS_RX_QUEUE )
+ queue->pRx = queue->dataQueue;
+ ++queue->rxPos;
+}
+
+static QueueEntry_t *Queue_GetTxPtr( Queue_t *queue )
+{
+ assert(NULL != queue && QUEUE_TESTPATTERN == queue->testPattern);
+ QueueEntry_t *pEntry = NULL;
+ if( ( uint32_t )BOARD_PMS_RX_QUEUE + queue->rxPos - queue->txPos > 0 )
+ {
+ pEntry = queue->pTx;
+ }
+ return pEntry;
+}
+
+static void Queue_PopTx( Queue_t *queue )
+{
+ assert(NULL != queue && QUEUE_TESTPATTERN == queue->testPattern);
+ if( ++queue->pTx >= queue->dataQueue + BOARD_PMS_RX_QUEUE )
+ queue->pTx = queue->dataQueue;
+ ++queue->txPos;
+}
+
+static void *ReceiveThread( void *tag )
+{
+ assert(NULL != tag);
+ CIndustrialStackLld *var = ( CIndustrialStackLld * )tag;
+ while( var->allowThreadRun )
+ {
+ if( -1 == var->hControlRx )
+ {
+ ConsolePrintf( PRIO_ERROR, RED"File handle for Control-RX is invalid, stopping reader thread."RESETCOLOR"\n" );
+ if (NULL != var->listener)
+ var->listener->OnReadThreadEnd(var);
+ pthread_exit( NULL );
+ }
+ QueueEntry_t *pEntry = Queue_GetTxPtr(&var->rxQueue);
+ if( NULL != pEntry )
+ {
+ int16_t payloadLen = 0;
+ payloadLen = read( var->hControlRx, pEntry->buffer, sizeof( pEntry->buffer ) );
+ if( payloadLen < 0 )
+ {
+ if( var->allowThreadRun )
+ {
+ ConsolePrintf( PRIO_ERROR, RED"Stopping reader thread, because of error: '%s'"RESETCOLOR"\n",
+ GetErrnoString() );
+ if (NULL != var->listener)
+ var->listener->OnReadThreadEnd(var);
+ }
+ pthread_exit( NULL );
+ }
+ else if( payloadLen != 0 )
+ {
+ pEntry->payloadLen = payloadLen;
+ Queue_PopTx(&var->rxQueue);
+#ifdef LLD_TRACE
+ {
+ ConsolePrintfStart( PRIO_HIGH, BLUE"%04d: MSG_RX: ", GetTickCountWord());
+ for ( int16_t i = 0; i < pEntry->payloadLen; i++ )
+ {
+ ConsolePrintfContinue( "%02X ", pEntry->buffer[i] );
+ }
+ ConsolePrintfExit(RESETCOLOR"\n");
+ }
+#endif
+ }
+ }
+ else
+ {
+ ConsolePrintf( PRIO_ERROR, RED"WARNING, RX QUEUE FULL !!\nPlease increase BOARD_PMS_RX_QUEUE value, or increase polling speed\n"RESETCOLOR"\n" );
+ usleep( 10000 );
+ }
+ }
+ ConsolePrintf( PRIO_LOW, "Control Receive Thread ends\n" );
+ if( var->allowThreadRun && NULL != var->listener)
+ var->listener->OnReadThreadEnd(var);
+ pthread_exit( NULL );
+}
+
+static void *SendThread( void *tag )
+{
+ assert(NULL != tag);
+ CIndustrialStackLld *var = ( CIndustrialStackLld * )tag;
+ while( var->allowThreadRun )
+ {
+ sem_wait( &var->txSem );
+ if (!var->allowThreadRun)
+ pthread_exit( NULL );
+ QueueEntry_t *pEntry = Queue_GetRxPtr( &var->txQueue );
+ assert(NULL != pEntry);
+ if( -1 == var->hControlTx )
+ {
+ ConsolePrintf( PRIO_ERROR, RED"File handle for Control-TX is invalid, stopping send thread."RESETCOLOR"\n" );
+ pthread_exit( NULL );
+ }
+#ifdef LLD_TRACE
+ {
+ uint32_t i;
+ ConsolePrintfStart( PRIO_MEDIUM, YELLOW"%04d: MSG_TX: ", GetTickCountWord());
+ for ( i = 0; i < pEntry->payloadLen; i++ )
+ {
+ ConsolePrintfContinue( "%02X ", pEntry->buffer[i] );
+ }
+ ConsolePrintfExit(RESETCOLOR"\n");
+ }
+#endif
+ if( write( var->hControlTx, pEntry->buffer, pEntry->payloadLen ) != pEntry->payloadLen )
+ {
+ ConsolePrintf( PRIO_ERROR, RED"Failed to send %d bytes to the MOST control channel"RESETCOLOR"\n", pEntry->payloadLen );
+ usleep(1000);
+ }
+ else
+ {
+ Queue_PopRx(&var->txQueue);
+ }
+
+ }
+ pthread_exit( NULL );
+}
+
+/*----------------------------------------------------------*/
+/* Public method implementations */
+/*----------------------------------------------------------*/
+
+CIndustrialStackLld::CIndustrialStackLld( int controlRxHandle, int controlTxHandle )
+ : hControlRx(controlRxHandle), hControlTx(controlTxHandle), allowThreadRun(true), listener(NULL)
+{
+ Queue_Init(&rxQueue);
+ Queue_Init(&txQueue);
+
+ if (sem_init(&txSem, 0, 0) == -1)
+ {
+ ConsolePrintf(PRIO_ERROR, RED"CIndustrialStackLld constructor: sem_init failed"RESETCOLOR"\n");
+ return;
+ }
+
+ pthread_create( &rxThread, NULL, ReceiveThread, this );
+ pthread_create( &txThread, NULL, SendThread, this );
+}
+
+CIndustrialStackLld::~CIndustrialStackLld()
+{
+ void *dummy;
+ allowThreadRun = false;
+ sem_post( &txSem );
+
+ pthread_join( txThread, &dummy );
+ pthread_join( rxThread, &dummy );
+
+ sem_destroy( &txSem );
+}
+
+void CIndustrialStackLld::ClearQueues()
+{
+ ConsolePrintf( PRIO_LOW, "Clearing INIC queues\n" );
+ QueueEntry_t *pEntry;
+ while( NULL != ( pEntry = Queue_GetRxPtr(&rxQueue) ) )
+ Queue_PopRx(&rxQueue);
+ while( NULL != ( pEntry = Queue_GetRxPtr(&txQueue) ) )
+ Queue_PopRx(&txQueue);
+}
+
+uint16_t CIndustrialStackLld::DataAvailable()
+{
+ uint16_t readLen = 0;
+ QueueEntry_t *pEntry = Queue_GetRxPtr(&rxQueue);
+ if( NULL != pEntry )
+ readLen = pEntry->payloadLen;
+ return readLen;
+}
+
+uint16_t CIndustrialStackLld::Read( uint8_t *pData, uint32_t bufferLen )
+{
+ uint16_t readLen = 0;
+ QueueEntry_t *pEntry = Queue_GetRxPtr(&rxQueue);
+ if( NULL != pData && NULL != pEntry )
+ {
+ readLen = pEntry->payloadLen;
+ if (readLen > bufferLen)
+ {
+ ConsolePrintf(PRIO_ERROR, RED"CIndustrialStackLld::Read buffer"\
+ " length is too small"RESETCOLOR"\n");
+ readLen = bufferLen;
+ }
+ memcpy( pData, pEntry->buffer, readLen );
+ Queue_PopRx(&rxQueue);
+ }
+ return readLen;
+}
+
+bool CIndustrialStackLld::Write( uint16_t wLen, uint8_t *pData )
+{
+ if( -1 == hControlTx )
+ return false;
+ QueueEntry_t *pEntry = Queue_GetTxPtr( &txQueue );
+ if( NULL != pData && NULL != pEntry )
+ {
+ memcpy( pEntry->buffer, pData, wLen );
+ pEntry->payloadLen = wLen;
+ Queue_PopTx( &txQueue );
+ sem_post( &txSem );
+ return true;
+ }
+ return false;
+}