1 files changed, 148 insertions, 0 deletions
diff --git a/Src/Network/IndustrialStack_LLD.h b/Src/Network/IndustrialStack_LLD.h
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+/*
+ * 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.
+ *
+ */
+
+/*----------------------------------------------------------*/
+/*! \file
+ *  \brief This component implements the MOST low level driver.
+ */
+/*----------------------------------------------------------*/
+#ifndef INDUSTRIAL_STACK_LLD_H
+#define INDUSTRIAL_STACK_LLD_H
+
+#include <stdint.h>
+#include <stdbool.h>
+#include <semaphore.h>
+#include "IndustrialStack_Types.h"
+
+#define BOARD_PMS_RX_QUEUE	256
+#define BOARD_PMS_RX_SIZE	64
+#define BOARD_PMS_TX_SIZE	64
+
+typedef struct
+{
+    int16_t payloadLen;
+    uint8_t buffer[BOARD_PMS_RX_SIZE];
+} QueueEntry_t;
+
+#define QUEUE_TESTPATTERN (0x34547382)
+typedef struct
+{
+    uint32_t testPattern;
+    QueueEntry_t dataQueue[BOARD_PMS_RX_QUEUE];
+    QueueEntry_t *pRx;
+    QueueEntry_t *pTx;
+    volatile uint32_t rxPos;
+    volatile uint32_t txPos;
+} Queue_t;
+
+class CIndustrialStackLld
+{
+private:
+    pthread_t txThread;
+    pthread_t rxThread;
+public:
+    ///Do not use directly! (Called internally from thread context)
+    Queue_t txQueue;
+    ///Do not use directly! (Called internally from thread context)
+    Queue_t rxQueue;
+    ///Do not use directly! (Called internally from thread context)
+    int hControlRx;
+    ///Do not use directly! (Called internally from thread context)
+    int hControlTx;
+    ///Do not use directly! (Called internally from thread context)
+    bool allowThreadRun;
+    ///Do not use directly! (Called internally from thread context)
+    sem_t txSem;
+    
+    CIndustrialStackLldCB *listener;
+    
+    /*----------------------------------------------------------*/
+    /*! \brief initializes LLD
+     *
+     * \param controlRxHandle File handle for the RX character device
+     * \param controlRxHandle File handle for the TX character device
+     * \return nothing.
+     */
+    /*----------------------------------------------------------*/
+     CIndustrialStackLld(  int controlRxHandle, int controlTxHandle );
+
+
+
+    /*----------------------------------------------------------*/
+    /*! \brief deinitializes LLD
+     */
+    /*----------------------------------------------------------*/
+    ~CIndustrialStackLld();
+
+
+    /*----------------------------------------------------------*/
+    /*! \brief determins if INIC has something to read
+     *
+     * \return The amount of data, which will be delivered by the next call of Read
+     */
+    /*----------------------------------------------------------*/
+    uint16_t DataAvailable();
+
+
+    /*----------------------------------------------------------*/
+    /*! \brief receive a control message via USB.
+     *
+     * \param pData - message data
+     *
+     * \return The amount of bytes read.
+     */
+    /*----------------------------------------------------------*/
+    uint16_t Read( uint8_t *pData, uint32_t bufferLen );
+
+
+
+    /*----------------------------------------------------------*/
+    /*! \brief Clearing RX and TX queues.
+     * 
+     * \return nothing
+     */
+    /*----------------------------------------------------------*/
+    void ClearQueues();
+
+
+
+    /*----------------------------------------------------------*/
+    /*! \brief send a control message via USB.
+     *
+     * \param wLen - length of message in bytes
+     * \param pData - message data
+     *
+     * \return True if no error.
+     */
+    /*----------------------------------------------------------*/
+    bool Write( uint16_t wLen, uint8_t *pData );
+    
+};
+
+class CIndustrialStackLldCB
+{
+public:
+    virtual void OnReadThreadEnd(CIndustrialStackLld *lld) = 0;
+};
+
+#endif // INDUSTRIAL_STACK_LLD_H