CANMSP432E4.h

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/*
 * Copyright (c) 2018, Texas Instruments Incorporated
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * *  Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * *  Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * *  Neither the name of Texas Instruments Incorporated nor the names of
 *    its contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef ti_drivers_can_CANMSP432E4__include
#define ti_drivers_can_CANMSP432E4__include

#ifdef __cplusplus
extern "C" {
#endif

#include <stdbool.h>
#include <stddef.h>
#include <stdint.h>

#include <ti/devices/msp432e4/inc/msp432.h>

#include <ti/devices/msp432e4/driverlib/gpio.h>
#include <ti/devices/msp432e4/driverlib/pin_map.h>

#include <ti/drivers/dpl/ClockP.h>
#include <ti/drivers/dpl/HwiP.h>
#include <ti/drivers/dpl/SemaphoreP.h>

#include <ti/drivers/gpio/GPIOMSP432E4.h>
#include <ti/drivers/CAN.h>
#include <ti/drivers/utils/List.h>
#include <ti/drivers/utils/StructRingBuf.h>

#define CANMSP432E4_PA0_CAN0RX GPIOMSP432E4_pinConfigMask(GPIOMSP432E4_PORTA, 0, GPIO_PA0_CAN0RX)

#define CANMSP432E4_PA1_CAN0TX GPIOMSP432E4_pinConfigMask(GPIOMSP432E4_PORTA, 1, GPIO_PA1_CAN0TX)

#define CANMSP432E4_PB0_CAN1RX GPIOMSP432E4_pinConfigMask(GPIOMSP432E4_PORTB, 0, GPIO_PB0_CAN1RX)

#define CANMSP432E4_PB1_CAN1TX GPIOMSP432E4_pinConfigMask(GPIOMSP432E4_PORTB, 1, GPIO_PB1_CAN1TX)

/* CAN function table pointer */
extern const CAN_FxnTable CANMSP432E4_fxnTable;

typedef void (*CANMSP432E4_ErrorCallback) (CAN_Handle handle,
        uint32_t error);

typedef struct CANMSP432E4_HWAttrs {
    uint32_t        baseAddr;
    uint32_t        intNum;
    uint32_t        intPriority;
    uint32_t        rxPin;
    uint32_t        txPin;
    uint32_t        baudRate;
    CANMSP432E4_ErrorCallback errorFxn;
} CANMSP432E4_HWAttrs;

typedef struct CANMSP432E4_Object {
    List_Elem            elem;          
    StructRingBuf_Object txBuffer;      
    StructRingBuf_Object rxBuffer;      
    SemaphoreP_Handle    readSem;       
    SemaphoreP_Handle    writeSem;      
    CAN_Mode             mode;          
    CAN_Direction        direction;     
    uint32_t             writeTimeout;  
    uint32_t             readTimeout;   
    uint32_t             rxInUseMask;   
    uint32_t             txInUseMask;   
    uint32_t             overrunCount;  
    bool                 opened    : 1; 
    bool                 txPending : 1; 
} CANMSP432E4_Object, *CANMSP432E4_Handle;

#ifdef __cplusplus
}
#endif

#endif /* ti_drivers_can_CANMSP432E4__include */