83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
/*****************************************************************************/
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/**
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* @file systembus.h
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* @author FanHao ([email protected])
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* @brief System bus protocol header file.
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* @version 0.1
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* @date 2023-05-06
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*
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* @copyright Copyright(c) 2024 Beijing Institute of Technology.\n
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* Lab of Communication and Network
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*
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******************************************************************************/
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/**
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* @defgroup SystemBus
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* @{
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*/
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#ifndef __SYSTEMBUS_H_
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#define __SYSTEMBUS_H_
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/***************************** Include Files *********************************/
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#include <stdint.h>
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#include <stdbool.h>
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#include "systembus_uart.h" // SystemBus UART driver
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#include "circ_queue.h"
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#include "../system_monitor.h"
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/************************** Constant Definitions *****************************/
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/************************** Data Type Definitions ****************************/
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/**
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* @struct SYSBUS_CONFIG
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* @brief SystemBus Config struct holds SystemBus initialization parameters
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*/
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typedef struct
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{
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uintptr_t baseAddr; ///< base address in memory
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uint32_t txQueueMax; ///< maximum tx queue length
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uint32_t rxQueueMax; ///< maximum rx queue length
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} SYSBUS_CONFIG;
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/**
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* @struct SYSBUS
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* @brief SystemBus Instance struct
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*/
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typedef struct
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{
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SYSBUS_CONFIG config; ///< SystemBus initialization parameters
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SYSBUSLOG sysbusLog; ///< SystemBus log
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LINKLOG linkLog; ///< Link layer log
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PHYLOG phyLog; ///< Physical layer log
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HWSTATE hwState; ///< Hardware status
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SYSBUS_UART *uartInst; ///< physical uart controller instance
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CIRC_QUEUE *txQueue; ///< tx queue
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CIRC_QUEUE *rxQueue; ///< rx queue
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bool isTxDone; ///< tx done indicator
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bool isRxDone; ///< rx done indicator
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} SYSBUS;
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/************************** Function Prototypes ******************************/
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int32_t SystemBus_Init(SYSBUS **instPtr, SYSBUS_CONFIG *config);
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/**
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* @defgroup SystemBus_Protocol_Routine
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* @{
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*/
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int32_t SystemBus_HandleCmd(SYSBUS *instPtr);
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int32_t SystemBus_MakeResp(SYSBUS *instPtr);
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/** @} */
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int32_t SystemBus_TxIntrHandler(SYSBUS *instPtr);
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int32_t SystemBus_RxIntrHandler(SYSBUS *instPtr);
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bool SystemBus_IsReqPending(SYSBUS *instPtr);
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bool SystemBus_IsRsqPending(SYSBUS *instPtr);
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bool SystemBus_IsTxBusy(SYSBUS *instPtr);
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bool SystemBus_IsRxBusy(SYSBUS *instPtr);
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#endif //__SYSTEMBUS_H_
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/** @} SystemBus*/ |