Collaboration diagram for DMAMUX peripheral API:

Functions
void	dmamux_reset_dma_channel (uint32_t dmamux, uint8_t channel)
	DMAMUX Reset DMA Channel. More...

void	dmamux_set_dma_channel_request (uint32_t dmamux, uint8_t channel, uint8_t request_id)
	DMAMUX Set DMA Channel Request. More...

uint8_t	dmamux_get_dma_channel_request (uint32_t dmamux, uint8_t channel)
	DMAMUX Get DMA Channel Request Selection. More...

void	dmamux_enable_dma_request_event_generation (uint32_t dmamux, uint8_t channel)
	DMAMUX Enable DMA Request Event Generation. More...

void	dmamux_disable_dma_request_event_generation (uint32_t dmamux, uint8_t channel)
	DMAMUX Disable DMA Request Event Generation. More...

void	dmamux_set_dma_request_sync_input (uint32_t dmamux, uint8_t channel, uint8_t sync_input_id)
	DMAMUX Set DMA Request Synchronization Input. More...

void	dmamux_set_dma_request_sync_pol (uint32_t dmamux, uint8_t channel, uint8_t polarity)
	DMAMUX Set DMA Request Synchronization Event Polarity. More...

void	dmamux_enable_dma_request_sync (uint32_t dmamux, uint8_t channel)
	DMAMUX Enable DMA Request Synchronization. More...

void	dmamux_disable_dma_request_sync (uint32_t dmamux, uint8_t channel)
	DMAMUX Disable DMA Request Synchronization. More...

void	dmamux_set_dma_request_sync_nbreq (uint32_t dmamux, uint8_t channel, uint8_t nbreq)
	DMAMUX Set DMA Request NBREQ To Forward. More...

void	dmamux_enable_dma_request_sync_overrun_interrupt (uint32_t dmamux, uint8_t channel)
	DMAMUX Enable DMA Request Overrun Interrupt. More...

void	dmamux_disable_dma_request_sync_overrun_interrupt (uint32_t dmamux, uint8_t channel)
	DMAMUX Disable DMA Request Overrun Interrupt. More...

uint32_t	dmamux_get_dma_request_sync_overrun (uint32_t dmamux, uint8_t channel)
	DMAMUX Get DMA Request Synchronization Overrun Interrupt Flag. More...

void	dmamux_clear_dma_request_sync_overrun (uint32_t dmamux, uint8_t channel)
	DMAMUX Clear DMA Request Synchronization Overrun Interrupt Flag. More...

void	dmamux_reset_request_generator_channel (uint32_t dmamux, uint8_t rg_channel)
	DMAMUX Reset Request Generator Channel. More...

void	dmamux_enable_request_generator (uint32_t dmamux, uint8_t rg_channel)
	DMAMUX Enable Request Generator Channel. More...

void	dmamux_disable_request_generator (uint32_t dmamux, uint8_t rg_channel)
	DMAMUX Disable Request Generator Channel. More...

void	dmamux_set_request_generator_trigger (uint32_t dmamux, uint8_t rg_channel, uint8_t sig_id)
	DMAMUX Set Request Generator Input Trigger Signal. More...

void	dmamux_set_request_generator_trigger_pol (uint32_t dmamux, uint8_t rg_channel, uint8_t polarity)
	DMAMUX Set Request Generator Trigger Polarity. More...

void	dmamux_set_request_generator_trigger_gnbreq (uint32_t dmamux, uint8_t rg_channel, uint8_t gnbreq)
	DMAMUX Set Request Generator Trigger GNBREQ. More...

void	dmamux_enable_request_generator_trigger_overrun_interrupt (uint32_t dmamux, uint8_t rg_channel)
	DMAMUX Enable Request Generator Trigger Overrun Interrupt. More...

void	dmamux_disable_request_generator_trigger_overrun_interrupt (uint32_t dmamux, uint8_t rg_channel)
	DMAMUX Disable Request Generator Trigger Overrun Interrupt. More...

uint32_t	dmamux_get_request_generator_trigger_overrun_interrupt (uint32_t dmamux, uint8_t rg_channel)
	DMAMUX Get Request Generator Trigger Overrun Interrupt Flag. More...

void	dmamux_clear_request_generator_trigger_overrun_interrupt (uint32_t dmamux, uint8_t rg_channel)
	DMAMUX Clear Request Generator Trigger Overrun Interrupt Flag. More...

Detailed Description

Author: © 2019 Guillaume Revaillot g.rev.nosp@m.aill.nosp@m.ot@gm.nosp@m.ail..nosp@m.com

LGPL License Terms libopencm3 License

Function Documentation

◆ dmamux_clear_dma_request_sync_overrun()

void dmamux_clear_dma_request_sync_overrun	(	uint32_t	dmamux,
		uint8_t	channel
	)

DMAMUX Clear DMA Request Synchronization Overrun Interrupt Flag.

Clear DMA Request Synchronization Overrun Interrupt for given DMA channel

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)

Definition at line 219 of file dmamux.c.

References DMAMUX_CFR, and DMAMUX_CFR_CSOF.

Referenced by dmamux_reset_dma_channel().

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◆ dmamux_clear_request_generator_trigger_overrun_interrupt()

void dmamux_clear_request_generator_trigger_overrun_interrupt	(	uint32_t	dmamux,
		uint8_t	rg_channel
	)

DMAMUX Clear Request Generator Trigger Overrun Interrupt Flag.

Clear DMA Request Synchronization Overrun Interrupt Flag for given Request Generator Channel

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	rg_channel	Request Generator Channel Number (DMAMUX Request Generator Channel Number)

Definition at line 361 of file dmamux.c.

References DMAMUX_RGCFR, and DMAMUX_RGCFR_COF.

Referenced by dmamux_reset_request_generator_channel().

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◆ dmamux_disable_dma_request_event_generation()

void dmamux_disable_dma_request_event_generation	(	uint32_t	dmamux,
		uint8_t	channel
	)

DMAMUX Disable DMA Request Event Generation.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)

Definition at line 90 of file dmamux.c.

References DMAMUX_CxCR.

◆ dmamux_disable_dma_request_sync()

void dmamux_disable_dma_request_sync	(	uint32_t	dmamux,
		uint8_t	channel
	)

DMAMUX Disable DMA Request Synchronization.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)

Definition at line 152 of file dmamux.c.

References DMAMUX_CxCR.

◆ dmamux_disable_dma_request_sync_overrun_interrupt()

void dmamux_disable_dma_request_sync_overrun_interrupt	(	uint32_t	dmamux,
		uint8_t	channel
	)

DMAMUX Disable DMA Request Overrun Interrupt.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)

Definition at line 192 of file dmamux.c.

References DMAMUX_CxCR.

◆ dmamux_disable_request_generator()

void dmamux_disable_request_generator	(	uint32_t	dmamux,
		uint8_t	rg_channel
	)

DMAMUX Disable Request Generator Channel.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	rg_channel	Request Generator Channel Number (DMAMUX Request Generator Channel Number)

Definition at line 258 of file dmamux.c.

References DMAMUX_RGxCR.

◆ dmamux_disable_request_generator_trigger_overrun_interrupt()

void dmamux_disable_request_generator_trigger_overrun_interrupt	(	uint32_t	dmamux,
		uint8_t	rg_channel
	)

DMAMUX Disable Request Generator Trigger Overrun Interrupt.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	rg_channel	Request Generator Channel Number (DMAMUX Request Generator Channel Number)

Definition at line 333 of file dmamux.c.

References DMAMUX_RGxCR.

◆ dmamux_enable_dma_request_event_generation()

void dmamux_enable_dma_request_event_generation	(	uint32_t	dmamux,
		uint8_t	channel
	)

DMAMUX Enable DMA Request Event Generation.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)

Definition at line 79 of file dmamux.c.

References DMAMUX_CxCR, and DMAMUX_CxCR_EGE.

◆ dmamux_enable_dma_request_sync()

void dmamux_enable_dma_request_sync	(	uint32_t	dmamux,
		uint8_t	channel
	)

DMAMUX Enable DMA Request Synchronization.

Enable DMAMUX request synchronization for a given DMA channel, propagating DMA request when configured event edge (DMAREQ_CxCR_SPOL) is detected on previously selected synchronization trigger input id.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)

Definition at line 141 of file dmamux.c.

References DMAMUX_CxCR, and DMAMUX_CxCR_SE.

◆ dmamux_enable_dma_request_sync_overrun_interrupt()

void dmamux_enable_dma_request_sync_overrun_interrupt	(	uint32_t	dmamux,
		uint8_t	channel
	)

DMAMUX Enable DMA Request Overrun Interrupt.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)

Definition at line 181 of file dmamux.c.

References DMAMUX_CxCR, and DMAMUX_CxCR_SOIE.

◆ dmamux_enable_request_generator()

void dmamux_enable_request_generator	(	uint32_t	dmamux,
		uint8_t	rg_channel
	)

DMAMUX Enable Request Generator Channel.

Enable Request Generator Channel, Producting DMA Request on input signal trigger. These Requests are usable by the DMA Request Router.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	rg_channel	Request Generator Channel Number (DMAMUX Request Generator Channel Number)

Definition at line 247 of file dmamux.c.

References DMAMUX_RGxCR, and DMAMUX_RGxCR_GE.

◆ dmamux_enable_request_generator_trigger_overrun_interrupt()

void dmamux_enable_request_generator_trigger_overrun_interrupt	(	uint32_t	dmamux,
		uint8_t	rg_channel
	)

DMAMUX Enable Request Generator Trigger Overrun Interrupt.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	rg_channel	Request Generator Channel Number (DMAMUX Request Generator Channel Number)

Definition at line 322 of file dmamux.c.

References DMAMUX_RGxCR, and DMAMUX_RGxCR_OIE.

◆ dmamux_get_dma_channel_request()

uint8_t dmamux_get_dma_channel_request	(	uint32_t	dmamux,
		uint8_t	channel
	)

DMAMUX Get DMA Channel Request Selection.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)

Returns: DMA request (DMAREQID DMA request line selected)

Definition at line 68 of file dmamux.c.

References DMAMUX_CxCR, DMAMUX_CxCR_DMAREQ_ID_MASK, and DMAMUX_CxCR_DMAREQ_ID_SHIFT.

◆ dmamux_get_dma_request_sync_overrun()

uint32_t dmamux_get_dma_request_sync_overrun	(	uint32_t	dmamux,
		uint8_t	channel
	)

DMAMUX Get DMA Request Synchronization Overrun Interrupt Flag.

Get DMA Request Synchronization Overrun Interrupt for given DMA channel

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)

Returns: DMA Channel Synchronization Overrun Interrupt Flag

Definition at line 206 of file dmamux.c.

References DMAMUX_CSR, and DMAMUX_CSR_SOF.

◆ dmamux_get_request_generator_trigger_overrun_interrupt()

uint32_t dmamux_get_request_generator_trigger_overrun_interrupt	(	uint32_t	dmamux,
		uint8_t	rg_channel
	)

DMAMUX Get Request Generator Trigger Overrun Interrupt Flag.

Get DMA Request Synchronization Overrun Interrupt Flag for given Request Generator Channel

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	rg_channel	Request Generator Channel Number (DMAMUX Request Generator Channel Number)

Returns: Request Generator Channel Trigger Overrun Interrupt Flag

Definition at line 347 of file dmamux.c.

References DMAMUX_RGSR, and DMAMUX_RGSR_OF.

◆ dmamux_reset_dma_channel()

void dmamux_reset_dma_channel	(	uint32_t	dmamux,
		uint8_t	channel
	)

DMAMUX Reset DMA Channel.

Reset DMA Request configuration and interrupt flags for given DMA channel.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)

Definition at line 37 of file dmamux.c.

References dmamux_clear_dma_request_sync_overrun(), and DMAMUX_CxCR.

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◆ dmamux_reset_request_generator_channel()

void dmamux_reset_request_generator_channel	(	uint32_t	dmamux,
		uint8_t	rg_channel
	)

DMAMUX Reset Request Generator Channel.

Reset Request Generator Channel Configuration and interrupt flags.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	rg_channel	Request Generator Channel Number (DMAMUX Request Generator Channel Number)

Definition at line 232 of file dmamux.c.

References dmamux_clear_request_generator_trigger_overrun_interrupt(), and DMAMUX_RGxCR.

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◆ dmamux_set_dma_channel_request()

void dmamux_set_dma_channel_request	(	uint32_t	dmamux,
		uint8_t	channel,
		uint8_t	request_id
	)

DMAMUX Set DMA Channel Request.

Set DMA Request Signal ID (DMAREQID DMA request line selected) for given DMA channel. Request must be set before enabling and after configuring said DMA channel.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)
[in]	request_id	DMA request (DMAREQID DMA request line selected)

Definition at line 53 of file dmamux.c.

References DMAMUX_CxCR, DMAMUX_CxCR_DMAREQ_ID_MASK, and DMAMUX_CxCR_DMAREQ_ID_SHIFT.

◆ dmamux_set_dma_request_sync_input()

void dmamux_set_dma_request_sync_input	(	uint32_t	dmamux,
		uint8_t	channel,
		uint8_t	sync_input_id
	)

DMAMUX Set DMA Request Synchronization Input.

Set DMAMUX request synchronization input trigger signal id (SYNCID Synchronization input selected) for a given DMA channel.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)
[in]	sync_input_id	synchronization signal input id (SYNCID Synchronization input selected)

Definition at line 105 of file dmamux.c.

References DMAMUX_CxCR, DMAMUX_CxCR_SYNC_ID_MASK, and DMAMUX_CxCR_SYNC_ID_SHIFT.

◆ dmamux_set_dma_request_sync_nbreq()

void dmamux_set_dma_request_sync_nbreq	(	uint32_t	dmamux,
		uint8_t	channel,
		uint8_t	nbreq
	)

DMAMUX Set DMA Request NBREQ To Forward.

Set number of request to forward (minus 1) to the dma controller after a synchronization event. This must be configured with synchronization and event generation disabled.

Parameters

[in]	dmamux	DMAMUX Controller base address (DMAMUX register base addresses)
[in]	channel	DMA Channel Number (DMA Channel Number)
[in]	nbreq	Number of DMA Requests to Forward - minus 1 (0..31)

Definition at line 167 of file dmamux.c.

References DMAMUX_CxCR, DMAMUX_CxCR_NBREQ_MASK, and DMAMUX_CxCR_NBREQ_SHIFT.

◆ dmamux_set_dma_request_sync_pol()

void dmamux_set_dma_request_sync_pol	(	uint32_t	dmamux,
		uint8_t	channel,
		uint8_t	polarity
	)

DMAMUX Set DMA Request Synchronization Event Polarity.

Set DMAMUX request synchronization input signal polarity (SPOL Event Polarity) for a given DMA channel.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	channel	DMA channel number (DMA Channel Number)
[in]	polarity	synchronization signal input polarity (SPOL Event Polarity)

Definition at line 123 of file dmamux.c.

References DMAMUX_CxCR, DMAMUX_CxCR_SPOL_MASK, and DMAMUX_CxCR_SPOL_SHIFT.

◆ dmamux_set_request_generator_trigger()

void dmamux_set_request_generator_trigger	(	uint32_t	dmamux,
		uint8_t	rg_channel,
		uint8_t	sig_id
	)

DMAMUX Set Request Generator Input Trigger Signal.

Set DMAMUX Request Generator input signal id (SIGID DMA request trigger input selected) for given Request Generator Channel.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	rg_channel	Request Generator Channel Number (DMAMUX Request Generator Channel Number)
[in]	sig_id	Request Generator Channel Input Signal Id (SIGID DMA request trigger input selected)

Definition at line 273 of file dmamux.c.

References DMAMUX_RGxCR, DMAMUX_RGxCR_SIG_ID_MASK, and DMAMUX_RGxCR_SIG_ID_SHIFT.

◆ dmamux_set_request_generator_trigger_gnbreq()

void dmamux_set_request_generator_trigger_gnbreq	(	uint32_t	dmamux,
		uint8_t	rg_channel,
		uint8_t	gnbreq
	)

DMAMUX Set Request Generator Trigger GNBREQ.

Set number of request to generate (minus 1). This must be configured while given Request Generator is disabled.

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	rg_channel	Request Generator Channel Number (DMAMUX Request Generator Channel Number)
[in]	gnbreq	Number of DMA Requests to Generate - minus 1 (0..31).

Definition at line 308 of file dmamux.c.

References DMAMUX_RGxCR, DMAMUX_RGxCR_GNBREQ_MASK, and DMAMUX_RGxCR_GNBREQ_SHIFT.

◆ dmamux_set_request_generator_trigger_pol()

void dmamux_set_request_generator_trigger_pol	(	uint32_t	dmamux,
		uint8_t	rg_channel,
		uint8_t	polarity
	)

DMAMUX Set Request Generator Trigger Polarity.

Set DMAMUX Request Generator input signal polarity (GPOL Event Polarity).

Parameters

[in]	dmamux	DMAMUX controller base address (DMAMUX register base addresses)
[in]	rg_channel	Request Generator Channel Number (DMAMUX Request Generator Channel Number)
[in]	polarity	Trigger signal input polarity (GPOL Event Polarity)

Definition at line 290 of file dmamux.c.

References DMAMUX_RGxCR, DMAMUX_RGxCR_GPOL_MASK, and DMAMUX_RGxCR_GPOL_SHIFT.

Functions

Detailed Description

Function Documentation

◆ dmamux_clear_dma_request_sync_overrun()

◆ dmamux_clear_request_generator_trigger_overrun_interrupt()

◆ dmamux_disable_dma_request_event_generation()

◆ dmamux_disable_dma_request_sync()

◆ dmamux_disable_dma_request_sync_overrun_interrupt()

◆ dmamux_disable_request_generator()

◆ dmamux_disable_request_generator_trigger_overrun_interrupt()

◆ dmamux_enable_dma_request_event_generation()

◆ dmamux_enable_dma_request_sync()

◆ dmamux_enable_dma_request_sync_overrun_interrupt()

◆ dmamux_enable_request_generator()

◆ dmamux_enable_request_generator_trigger_overrun_interrupt()

◆ dmamux_get_dma_channel_request()

◆ dmamux_get_dma_request_sync_overrun()

◆ dmamux_get_request_generator_trigger_overrun_interrupt()

◆ dmamux_reset_dma_channel()

◆ dmamux_reset_request_generator_channel()

◆ dmamux_set_dma_channel_request()

◆ dmamux_set_dma_request_sync_input()

◆ dmamux_set_dma_request_sync_nbreq()

◆ dmamux_set_dma_request_sync_pol()

◆ dmamux_set_request_generator_trigger()

◆ dmamux_set_request_generator_trigger_gnbreq()

◆ dmamux_set_request_generator_trigger_pol()