distortos::chip::DmaChannelPeripheral Class Reference

DmaChannelPeripheral class is a raw DMA channel peripheral for DMAv2 in STM32. More...

#include "distortos/chip/STM32-DMAv2-DmaChannelPeripheral.hpp"

Public Member Functions
constexpr	DmaChannelPeripheral (const uintptr_t dmaBase, const uint8_t channelId)
	DmaChannelPeripheral's constructor. More...
uint8_t	getChannelId () const
uint32_t	readCr () const
uint32_t	readFcr () const
uint32_t	readM0ar () const
uint32_t	readM1ar () const
uint32_t	readNdtr () const
uint32_t	readPar () const
void	writeCr (const uint32_t cr) const
	Writes value to CR register. More...
void	writeFcr (const uint32_t fcr) const
	Writes value to FCR register. More...
void	writeM0ar (const uint32_t m0ar) const
	Writes value to M0AR register. More...
void	writeM1ar (const uint32_t m1ar) const
	Writes value to M1AR register. More...
void	writeNdtr (const uint32_t ndtr) const
	Writes value to NDTR register. More...
void	writePar (const uint32_t par) const
	Writes value to PAR register. More...

Private Member Functions
DMA_Stream_TypeDef &	getDmaChannel () const

Private Attributes
uintptr_t	dmaChannelBase_
	base address of DMA channel peripheral More...
uint8_t	channelId_
	DMA channel identifier. More...

Detailed Description

DmaChannelPeripheral class is a raw DMA channel peripheral for DMAv2 in STM32.

Constructor & Destructor Documentation

DmaChannelPeripheral()

constexpr distortos::chip::DmaChannelPeripheral::DmaChannelPeripheral ( const uintptr_t  dmaBase, const uint8_t  channelId  )

inline

DmaChannelPeripheral's constructor.

Parameters

[in]	dmaBase	is a base address of DMA peripheral
[in]	channelId	is a DMA channel identifier

Member Function Documentation

getChannelId()

uint8_t distortos::chip::DmaChannelPeripheral::getChannelId ( ) const

inline

Returns

DMA channel identifier

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getDmaChannel()

DMA_Stream_TypeDef& distortos::chip::DmaChannelPeripheral::getDmaChannel ( ) const

inlineprivate

Returns

reference to DMA_Stream_TypeDef object

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readCr()

uint32_t distortos::chip::DmaChannelPeripheral::readCr ( ) const

inline

Returns

current value of CR register

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readFcr()

uint32_t distortos::chip::DmaChannelPeripheral::readFcr ( ) const

inline

Returns

current value of FCR register

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readM0ar()

uint32_t distortos::chip::DmaChannelPeripheral::readM0ar ( ) const

inline

Returns

current value of M0AR register

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readM1ar()

uint32_t distortos::chip::DmaChannelPeripheral::readM1ar ( ) const

inline

Returns

current value of M1AR register

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readNdtr()

uint32_t distortos::chip::DmaChannelPeripheral::readNdtr ( ) const

inline

Returns

current value of NDTR register

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readPar()

uint32_t distortos::chip::DmaChannelPeripheral::readPar ( ) const

inline

Returns

current value of PAR register

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writeCr()

void distortos::chip::DmaChannelPeripheral::writeCr ( const uint32_t  cr ) const

inline

Writes value to CR register.

Parameters

[in]

cr

is the value that will be written to CR register

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writeFcr()

void distortos::chip::DmaChannelPeripheral::writeFcr ( const uint32_t  fcr ) const

inline

Writes value to FCR register.

Parameters

[in]

fcr

is the value that will be written to FCR register

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writeM0ar()

void distortos::chip::DmaChannelPeripheral::writeM0ar ( const uint32_t  m0ar ) const

inline

Writes value to M0AR register.

Parameters

[in]

m0ar

is the value that will be written to M0AR register

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writeM1ar()

void distortos::chip::DmaChannelPeripheral::writeM1ar ( const uint32_t  m1ar ) const

inline

Writes value to M1AR register.

Parameters

[in]

m1ar

is the value that will be written to M1AR register

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writeNdtr()

void distortos::chip::DmaChannelPeripheral::writeNdtr ( const uint32_t  ndtr ) const

inline

Writes value to NDTR register.

Parameters

[in]

ndtr

is the value that will be written to NDTR register

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writePar()

void distortos::chip::DmaChannelPeripheral::writePar ( const uint32_t  par ) const

inline

Writes value to PAR register.

Parameters

[in]

par

is the value that will be written to PAR register

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Member Data Documentation

channelId_

uint8_t distortos::chip::DmaChannelPeripheral::channelId_

private

DMA channel identifier.

dmaChannelBase_

uintptr_t distortos::chip::DmaChannelPeripheral::dmaChannelBase_

private

base address of DMA channel peripheral

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The documentation for this class was generated from the following file:

• source/chip/STM32/peripherals/DMAv2/include/distortos/chip/STM32-DMAv2-DmaChannelPeripheral.hpp