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PicoSDK

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hardware_adc

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hardware_divider

hardware_dma

include

hardware

dma.h

check_dma_channel_param()

check_dma_timer_param()

dma_channel_hw_addr()

dma_channel_claim()

dma_claim_mask()

dma_channel_unclaim()

dma_unclaim_mask()

dma_claim_unused_channel()

dma_channel_is_claimed()

dma_channel_transfer_size

dma_channel_config

channel_config_set_read_increment()

channel_config_set_write_increment()

channel_config_set_dreq()

channel_config_set_chain_to()

channel_config_set_transfer_data_size()

channel_config_set_ring()

channel_config_set_bswap()

channel_config_set_irq_quiet()

channel_config_set_high_priority()

channel_config_set_enable()

channel_config_set_sniff_enable()

dma_channel_get_default_config()

dma_get_channel_config()

channel_config_get_ctrl_value()

dma_channel_set_config()

dma_channel_set_read_addr()

dma_channel_set_write_addr()

dma_channel_set_trans_count()

dma_channel_configure()

dma_channel_transfer_from_buffer_now()

dma_channel_transfer_to_buffer_now()

dma_start_channel_mask()

dma_channel_start()

dma_channel_abort()

dma_channel_set_irq0_enabled()

dma_set_irq0_channel_mask_enabled()

dma_channel_set_irq1_enabled()

dma_set_irq1_channel_mask_enabled()

dma_irqn_set_channel_enabled()

dma_irqn_set_channel_mask_enabled()

dma_channel_get_irq0_status()

dma_channel_get_irq1_status()

dma_irqn_get_channel_status()

dma_channel_acknowledge_irq0()

dma_channel_acknowledge_irq1()

dma_irqn_acknowledge_channel()

dma_channel_is_busy()

dma_channel_wait_for_finish_blocking()

dma_sniffer_enable()

dma_sniffer_set_byte_swap_enabled()

dma_sniffer_set_output_invert_enabled()

dma_sniffer_set_output_reverse_enabled()

dma_sniffer_disable()

dma_sniffer_set_data_accumulator()

dma_sniffer_get_data_accumulator()

dma_timer_claim()

dma_timer_unclaim()

dma_claim_unused_timer()

dma_timer_is_claimed()

dma_timer_set_fraction()

dma_get_timer_dreq()

dma_get_irq_num()

dma_channel_cleanup()

print_dma_ctrl()

dma.c

hardware_exception

hardware_flash

hardware_gpio

hardware_i2c

hardware_interp

hardware_irq

hardware_pio

hardware_pll

hardware_pwm

hardware_resets

hardware_sha256

hardware_spi

hardware_sync

hardware_sync_spin_lock

hardware_ticks

hardware_timer

hardware_uart

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hardware_watchdog

hardware_xosc

pico_async_context

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pico_bootrom

pico_bootsel_via_double_reset

pico_clib_interface

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pico_double

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pico_float

pico_i2c_slave

pico_malloc

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pico_platform_sections

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pico_runtime_init

pico_sha256

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rp2350

FreeRTOS

TinyUSB Library

Summary Syntax Arguments References Call Tree Data Use

SourceVuRaspberry Pi Pico SDK and ExamplesPicoSDKdma_irqn_get_channel_status()

dma_irqn_get_channel_status() function

Determine if a particular channel is a cause of DMA_IRQ_N

Syntax

Show:

Summary

Declaration

from dma.h:671

static inline bool dma_irqn_get_channel_status(uint irq_index, uint channel);

Arguments

Argument

Description

irq_index

the IRQ index; either 0 or 1 for DMA_IRQ_0 or DMA_IRQ_1

channel

DMA channel

Return value

true if the channel is a cause of the DMA_IRQ_N, false otherwise

References

Code

Location

static inline bool dma_irqn_get_channel_status(uint irq_index, uint channel) {

dma.h:671

Call Tree

dma_irqn_get_channel_status() calls 2 functions:

dma_irqn_get_channel_status()

check_dma_channel_param()

__assert_func()

Data Use

dma_irqn_get_channel_status() reads 2 variables:

dma_irq_ctrl_hw_t::ints

dma_hw_t::::irq_ctrl

dma_irqn_get_channel_status()

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