lib_at91rm9200.c

基于K9 AT91RM9200 学习板的loader源码

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_CfgDirectDrive
//* \brief Enable direct drive on PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_CfgDirectDrive(
	AT91PS_PIO pPio,             // \arg pointer to a PIO controller
	unsigned int directDrive)    // \arg PIO to be configured with direct drive

{
	// Configure the Direct Drive
	pPio->PIO_OWDR  = ~directDrive;
	pPio->PIO_OWER  = directDrive;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_CfgInputFilter
//* \brief Enable input filter on input PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_CfgInputFilter(
	AT91PS_PIO pPio,             // \arg pointer to a PIO controller
	unsigned int inputFilter)    // \arg PIO to be configured with input filter

{
	// Configure the Direct Drive
	pPio->PIO_IFDR  = ~inputFilter;
	pPio->PIO_IFER  = inputFilter;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_GetInput
//* \brief Return PIO input value
//*----------------------------------------------------------------------------
 unsigned int AT91F_PIO_GetInput( // \return PIO input
	AT91PS_PIO pPio) // \arg  pointer to a PIO controller
{
	return pPio->PIO_PDSR;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_IsInputSet
//* \brief Test if PIO is input flag is active
//*----------------------------------------------------------------------------
 int AT91F_PIO_IsInputSet(
	AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
	unsigned int flag) // \arg  flag to be tested
{
	return (AT91F_PIO_GetInput(pPio) & flag);
}


//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_SetOutput
//* \brief Set to 1 output PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_SetOutput(
	AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
	unsigned int flag) // \arg  output to be set
{
	pPio->PIO_SODR = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_ClearOutput
//* \brief Set to 0 output PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_ClearOutput(
	AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
	unsigned int flag) // \arg  output to be cleared
{
	pPio->PIO_CODR = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_ForceOutput
//* \brief Force output when Direct drive option is enabled
//*----------------------------------------------------------------------------
 void AT91F_PIO_ForceOutput(
	AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
	unsigned int flag) // \arg  output to be forced
{
	pPio->PIO_ODSR = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_Enable
//* \brief Enable PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_Enable(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio to be enabled 
{
        pPio->PIO_PER = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_Disable
//* \brief Disable PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_Disable(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio to be disabled 
{
        pPio->PIO_PDR = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_GetStatus
//* \brief Return PIO Status
//*----------------------------------------------------------------------------
 unsigned int AT91F_PIO_GetStatus( // \return PIO Status
        AT91PS_PIO pPio) // \arg  pointer to a PIO controller
{
        return pPio->PIO_PSR;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_IsSet
//* \brief Test if PIO is Set
//*----------------------------------------------------------------------------
 int AT91F_PIO_IsSet(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  flag to be tested
{
        return (AT91F_PIO_GetStatus(pPio) & flag);
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_OutputEnable
//* \brief Output Enable PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_OutputEnable(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio output to be enabled
{
        pPio->PIO_OER = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_OutputDisable
//* \brief Output Enable PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_OutputDisable(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio output to be disabled
{
        pPio->PIO_ODR = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_GetOutputStatus
//* \brief Return PIO Output Status
//*----------------------------------------------------------------------------
 unsigned int AT91F_PIO_GetOutputStatus( // \return PIO Output Status
        AT91PS_PIO pPio) // \arg  pointer to a PIO controller
{
        return pPio->PIO_OSR;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_IsOuputSet
//* \brief Test if PIO Output is Set
//*----------------------------------------------------------------------------
 int AT91F_PIO_IsOutputSet(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  flag to be tested
{
        return (AT91F_PIO_GetOutputStatus(pPio) & flag);
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_InputFilterEnable
//* \brief Input Filter Enable PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_InputFilterEnable(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio input filter to be enabled
{
        pPio->PIO_IFER = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_InputFilterDisable
//* \brief Input Filter Disable PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_InputFilterDisable(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio input filter to be disabled
{
        pPio->PIO_IFDR = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_GetInputFilterStatus
//* \brief Return PIO Input Filter Status
//*----------------------------------------------------------------------------
 unsigned int AT91F_PIO_GetInputFilterStatus( // \return PIO Input Filter Status
        AT91PS_PIO pPio) // \arg  pointer to a PIO controller
{
        return pPio->PIO_IFSR;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_IsInputFilterSet
//* \brief Test if PIO Input filter is Set
//*----------------------------------------------------------------------------
 int AT91F_PIO_IsInputFilterSet(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  flag to be tested
{
        return (AT91F_PIO_GetInputFilterStatus(pPio) & flag);
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_GetOutputDataStatus
//* \brief Return PIO Output Data Status 
//*----------------------------------------------------------------------------
 unsigned int AT91F_PIO_GetOutputDataStatus( // \return PIO Output Data Status 
	AT91PS_PIO pPio) // \arg  pointer to a PIO controller
{
        return pPio->PIO_ODSR;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_InterruptEnable
//* \brief Enable PIO Interrupt
//*----------------------------------------------------------------------------
 void AT91F_PIO_InterruptEnable(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio interrupt to be enabled
{
        pPio->PIO_IER = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_InterruptDisable
//* \brief Disable PIO Interrupt
//*----------------------------------------------------------------------------
 void AT91F_PIO_InterruptDisable(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio interrupt to be disabled
{
        pPio->PIO_IDR = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_GetInterruptMaskStatus
//* \brief Return PIO Interrupt Mask Status
//*----------------------------------------------------------------------------
 unsigned int AT91F_PIO_GetInterruptMaskStatus( // \return PIO Interrupt Mask Status
        AT91PS_PIO pPio) // \arg  pointer to a PIO controller
{
        return pPio->PIO_IMR;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_GetInterruptStatus
//* \brief Return PIO Interrupt Status
//*----------------------------------------------------------------------------
 unsigned int AT91F_PIO_GetInterruptStatus( // \return PIO Interrupt Status
        AT91PS_PIO pPio) // \arg  pointer to a PIO controller
{
        return pPio->PIO_ISR;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_IsInterruptMasked
//* \brief Test if PIO Interrupt is Masked 
//*----------------------------------------------------------------------------
 int AT91F_PIO_IsInterruptMasked(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  flag to be tested
{
        return (AT91F_PIO_GetInterruptMaskStatus(pPio) & flag);
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_IsInterruptSet
//* \brief Test if PIO Interrupt is Set
//*----------------------------------------------------------------------------
 int AT91F_PIO_IsInterruptSet(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  flag to be tested
{
        return (AT91F_PIO_GetInterruptStatus(pPio) & flag);
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_MultiDriverEnable
//* \brief Multi Driver Enable PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_MultiDriverEnable(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio to be enabled
{
        pPio->PIO_MDER = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_MultiDriverDisable
//* \brief Multi Driver Disable PIO
//*----------------------------------------------------------------------------
 void AT91F_PIO_MultiDriverDisable(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio to be disabled
{
        pPio->PIO_MDDR = flag;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_GetMultiDriverStatus
//* \brief Return PIO Multi Driver Status
//*----------------------------------------------------------------------------
 unsigned int AT91F_PIO_GetMultiDriverStatus( // \return PIO Multi Driver Status
        AT91PS_PIO pPio) // \arg  pointer to a PIO controller
{
        return pPio->PIO_MDSR;
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_IsMultiDriverSet
//* \brief Test if PIO MultiDriver is Set
//*----------------------------------------------------------------------------
 int AT91F_PIO_IsMultiDriverSet(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  flag to be tested
{
        return (AT91F_PIO_GetMultiDriverStatus(pPio) & flag);
}

//*----------------------------------------------------------------------------
//* \fn    AT91F_PIO_A_RegisterSelection
//* \brief PIO A Register Selection 
//*----------------------------------------------------------------------------
 void AT91F_PIO_A_RegisterSelection(
        AT91PS_PIO pPio,   // \arg  pointer to a PIO controller
        unsigned int flag) // \arg  pio A register selection
{
        pPio->PIO_ASR = flag;