csl_gpioaux.h

TI达芬奇dm644x各硬件模块测试代码

    }
    else {
        status = CSL_EGPIO_INVPARAM;     
    }   
    
    return status;       
}    


/** ===========================================================================
 *   @n@b CSL_gpioGetIntStatus
 *
 *   @b Description
 *   @n This function used to get the interrupt status of the bank.
 *
 *   @b Arguments
 *   @verbatim

            hGpio            Handle to GPIO instance
            bankData         Pointer to the CSL_GpioBankData structure.     
                                         
     @endverbatim
 *
 *   <b> Return Value </b>  None
 *
 *   <b> Pre Condition </b>
 *   @n  None
 *
 *   <b> Post Condition </b>
 *    @n None
 *
 *   @b Modifies
 *   @n  None
 *
 *   @b Example
 *   @verbatim

        CSL_gpioGetIntStatus (hGpio,&bankData);

     @endverbatim
 * ============================================================================
 */
static inline
CSL_Status CSL_gpioGetIntStatus (
    /** Pointer to the object that holds reference to the
     *  instance of GPIO requested after the call
     */
    CSL_GpioHandle        hGpio,
    CSL_GpioBankData      *bankData
)
{   
    CSL_Status status = CSL_SOK;
    Uint32 index;
    CSL_GpioRegsOvly gpioRegs = hGpio->regs;

    index = bankData->index;  
    
    if (index <= (hGpio->numBanks >> 1)) {
        bankData->data = gpioRegs->BANK[index].INTSTAT;
    } 
    else {
        status = CSL_EGPIO_INVPARAM;     
    } 
    
    return status;         
}    


/** ===========================================================================
 *   @n@b CSL_gpioGetInputBit
 *
 *   @b Description
 *   @n This function gets the IN_DATA register value of the GPIO bank.
 *
 *   @b Arguments
 *   @verbatim

            hGpio            Handle to GPIO instance
            bankData         Pointer to the CSL_GpioBankData structure.
            
     @endverbatim
 *
 *   <b> Return Value </b>  None
 *
 *   <b> Pre Condition </b>
 *   @n  None
 *
 *   <b> Post Condition </b>
 *    @n None
 *
 *   @b Modifies
 *   @n  None
 *
 *   @b Example
 *   @verbatim

        CSL_gpioGetInputBit (hGpio,&bankData);

     @endverbatim
 * ============================================================================
 */
static inline
CSL_Status CSL_gpioGetInputBit (
    /** Pointer to the object that holds reference to the
     *  instance of GPIO requested after the call
     */
    CSL_GpioHandle        hGpio,
    CSL_GpioBankData      *bankData
)
{   
    CSL_Status status = CSL_SOK;
    Uint32 index;
    CSL_GpioRegsOvly gpioRegs = hGpio->regs;

    index = bankData->index;  
    if (index <= (hGpio->numBanks >> 1)) {
        bankData->data = gpioRegs->BANK[index].IN_DATA;
    }
    else {
        status = CSL_EGPIO_INVPARAM;     
    }   
      
    return status;     
}    


/** ===========================================================================
 *   @n@b CSL_gpioGetBit
 *
 *   @b Description
 *   @n This function gets the Pin number status of GPIO module.
 *   @b Arguments
 *   @verbatim

            hGpio           Handle to GPIO instance

            pinNum          pin number to get the status.

     @endverbatim
 *
 *   <b> Return Value </b>  
 *
 *   <b> Pre Condition </b>
 *   @n  None
 *
 *   <b> Post Condition </b>
 *    @n None
 *
 *   @b Modifies
 *   @n  None
 *
 *   @b Example
 *   @verbatim

        CSL_gpioGetBit(hGpio,pinNum);

     @endverbatim
 * ===========================================================================
 */
static inline
Int16 CSL_gpioGetBit (
    /** Pointer to the object that holds reference to the
     *  instance of GPIO requested after the call
     */
    CSL_GpioHandle        hGpio,

    /** pin number to get the status. */
    CSL_GpioPinNum        pinNum
)
{
    Uint32 index;
    Int16  pinVal;
    CSL_GpioRegsOvly gpioRegs = hGpio->regs;

    if (pinNum < hGpio->numPins) {
        index = (pinNum >> 5);
        pinNum = (CSL_GpioPinNum)(pinNum & 0x1f);
        pinVal = CSL_FEXTR(gpioRegs->BANK[index].IN_DATA, pinNum, pinNum);
    }
    else {
        pinVal = CSL_ESYS_FAIL;     
    }   
    
    return pinVal;
}


/** ===========================================================================
 *   @n@b CSL_gpioGetOutDrvState
 *
 *   @b Description
 *   @n This function gets the OUT_DATA value of the GPIO bank.
 *
 *   @b Arguments
 *   @verbatim

            hGpio            Handle to GPIO instance
            bankData         Pointer to the CSL_GpioBankData structure.
            
     @endverbatim
 *
 *   <b> Return Value </b>  None
 *
 *   <b> Pre Condition </b>
 *   @n  None
 *
 *   <b> Post Condition </b>
 *    @n None
 *
 *   @b Modifies
 *   @n  None
 *
 *   @b Example
 *   @verbatim

        CSL_gpioGetOutDrvState (hGpio,&bankData);

     @endverbatim
 * ===========================================================================
 */
static inline
CSL_Status CSL_gpioGetOutDrvState (
    /** Pointer to the object that holds reference to the
     *  instance of GPIO requested after the call
     */
    CSL_GpioHandle        hGpio,
    CSL_GpioBankData     *bankData
)
{   
    CSL_Status status = CSL_SOK;
    Uint32 index;
    CSL_GpioRegsOvly gpioRegs = hGpio->regs;

    index = bankData->index;  
    
    if (index <= (hGpio->numBanks >> 1)) {
        bankData->data = gpioRegs->BANK[index].OUT_DATA;
    }
    else {
        status = CSL_EGPIO_INVPARAM;     
    }
         
    return status;     
}    


/** ===========================================================================
 *   @n@b CSL_gpioGetPid
 *
 *   @b Description
 *   @n This function  gets the Peripheral ID.
 *
 *   @b Arguments
 *   @verbatim

            hGpio           Handle to GPIO instance

            response        Placeholder to return status.

     @endverbatim
 *
 *   <b> Return Value </b>  None
 *
 *   <b> Pre Condition </b>
 *   @n  None
 *
 *   <b> Post Condition </b>
 *    @n None
 *
 *   @b Modifies
 *   @n  None
 *
 *   @b Example
 *   @verbatim

        CSL_gpioGetPid (hGpio, &response);

     @endverbatim
 * ===========================================================================
 */
static inline
void CSL_gpioGetPid (
    /** Pointer to the object that holds reference to the
     *  instance of GPIO requested after the call
     */
    CSL_GpioHandle        hGpio,

    /** Placeholder to return the status. @a void* casted */
    void                 *response
)
{
    *(Uint32*)response = hGpio->regs->PID;
}


/** ===========================================================================
 *   @n@b CSL_gpioGetBintenStat
 *
 *   @b Description
 *   @n This function gets the interrupt capabilities of all banks in GPIO 
 *      module.
 *   @b Arguments
 *   @verbatim

            hGpio           Handle to GPIO instance

            response        Placeholder to return status.

     @endverbatim
 *
 *   <b> Return Value </b>  None
 *
 *   <b> Pre Condition </b>
 *   @n  None
 *
 *   <b> Post Condition </b>
 *    @n None
 *
 *   @b Modifies
 *   @n  None
 *
 *   @b Example
 *   @verbatim

        CSL_gpioGetBintenStat (hGpio,&response);

     @endverbatim
 * ===========================================================================
 */
static inline
void CSL_gpioGetBintenStat (
    /** Pointer to the object that holds reference to the
     *  instance of GPIO requested after the call
     */
    CSL_GpioHandle        hGpio,

    /** Placeholder to return the status. @a void* casted */
    void                 *response
)
{
    *(CSL_BitMask32*)response = hGpio->regs->BINTEN;
}


#ifdef __cplusplus
extern "C" {
#endif

#endif /* CSL_GPIOAUX_H_ */