62 lines
1.7 KiB
C
62 lines
1.7 KiB
C
/*****************************************************************************/
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/**
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* Description: System bus protocol head file.
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*
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* Date: 2023-05-06 10:12
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* Last Edit Time: [2023-05-06 10:13]
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*
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* Revisions: Rev 0.0
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* History:
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* [2023-05-06]: Initial version.
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*
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* Copyright(c) 2021 Beijing Institute of Technology.
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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 "systembus_uart.h" // SystemBus UART driver
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#include "circ_queue.h"
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#include <stdint.h>
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#include <stdbool.h>
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/************************** Constant Definitions *****************************/
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/************************** Data Type Definitions ****************************/
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// Definition of SystemBus instance.
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typedef struct
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{
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uintptr_t baseAddr;
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uint32_t txQueueMax;
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uint32_t rxQueueMax;
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} SYSBUS_CONFIG;
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typedef struct
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{
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SYSBUS_CONFIG config;
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SYSBUS_UART *uartInst;
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CIRC_QUEUE *txQueue;
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CIRC_QUEUE *rxQueue;
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bool isRxDone;
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bool isTxDone;
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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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int32_t SystemBus_HandleCmd(SYSBUS *instPtr);
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int32_t SystemBus_MakeResp(SYSBUS *instPtr);
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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_IsReqPendding(SYSBUS *instPtr);
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bool SystemBus_IsRsqPendding(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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