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https://github.com/apache/nuttx.git
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arch/nrf53: add GPIOTE support
This commit is contained in:
raiden00pl
committed by
Alan Carvalho de Assis
Alan Carvalho de Assis
parent
74b0e8c2c8
commit
bcecf2023f
@@ -23,6 +23,7 @@ config NRF53_APPCORE
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select ARM_HAVE_DSP
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select ARCH_HAVE_FPU
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select NRF53_HAVE_PWM
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select NRF52_HAVE_GPIOTE1
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select NRF53_HAVE_SAADC
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select NRF53_HAVE_UART1
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@@ -75,6 +76,10 @@ config NRF53_HAVE_UART1
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bool
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default n
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config NRF53_HAVE_GPIOTE1
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bool
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default n
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config NRF53_HAVE_PWM
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bool
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default n
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@@ -103,6 +108,10 @@ config NRF53_PWM
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menu "NRF53 Peripheral Selection"
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config NRF53_GPIOTE
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bool "GPIOTE (GPIO interrupts)"
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default n
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config NRF53_UART0
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bool "UART0"
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default n
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@@ -404,6 +413,27 @@ endif # NRF53_SAADC
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endmenu # SAADC Configuration
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menu "GPIO Interrupt Configuration"
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config NRF53_PER_PIN_INTERRUPTS
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bool "Per-pin interrupt callbacks"
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default !DEFAULT_SMALL
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depends on NRF53_GPIOTE
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---help---
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The GPIOTE peripheral supports a limited number of channels which can
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be set to EVENT mode and thus generate interrupts on pin state changes.
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Another mechanism offered by the GPIO/GPIOTE peripherals is the PORT
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event. This event is generated from a signal shared by all pins in
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the GPIO port.
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This option enables the ability to set per-pin callbacks that will
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be invoked from the main GPIOTE ISR when a PORT event is generated.
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As this involves extra storage to store each callback, this option can
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be disabled to save space. In such case, it is possible to set a callback
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for the whole PORT event directly.
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endmenu # GPIO Interrupt Configuration
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menuconfig NRF53_SOFTDEVICE_CONTROLLER
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bool "SoftDevice Controller"
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depends on ALLOW_BSDNORDIC_COMPONENTS
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@@ -35,6 +35,10 @@ ifneq ($(CONFIG_ARCH_IDLE_CUSTOM),y)
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CHIP_CSRCS += nrf53_idle.c
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endif
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ifeq ($(CONFIG_NRF53_GPIOTE),y)
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CHIP_CSRCS += nrf53_gpiote.c
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endif
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ifeq ($(CONFIG_NRF53_UART),y)
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CHIP_CSRCS += nrf53_serial.c
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endif
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@@ -48,7 +48,7 @@
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#define NRF53_CTRLAPPERI_BASE 0x41006000
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#define NRF53_RADIO_BASE 0x41008000
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#define NRF53_RNG_BASE 0x41009000
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#define NRF53_GPIOTE_BASE 0x4100A000
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#define NRF53_GPIOTE0_BASE 0x4100A000
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#define NRF53_WDT_BASE 0x4100B000
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#define NRF53_TIMER0_BASE 0x4100C000
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#define NRF53_ECB_BASE 0x4100D000
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File diff suppressed because it is too large
Load Diff
@@ -0,0 +1,172 @@
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/****************************************************************************
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* arch/arm/src/nrf53/nrf53_gpiote.h
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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****************************************************************************/
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#ifndef __ARCH_ARM_SRC_NRF53_NRF53_GPIOTE_H
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#define __ARCH_ARM_SRC_NRF53_NRF53_GPIOTE_H
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <nuttx/irq.h>
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#include "chip.h"
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/****************************************************************************
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* Public Types
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****************************************************************************/
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/* GPIOTE OUT task configuration */
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enum nrf53_gpiote_outcfg_e
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{
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NRF53_GPIOTE_SET = 0,
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NRF53_GPIOTE_CLEAR = 1,
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NRF53_GPIOTE_TOGGLE = 2,
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Name: nrf53_gpiote_set_ch_event
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*
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* Description:
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* Configures a GPIOTE channel in EVENT mode, assigns it to a given pin
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* and sets a handler for the corresponding channel events.
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*
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* Input Parameters:
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* - pinset: GPIO pin configuration
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* - channel: GPIOTE channel used to capture events
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* - risingedge: Enables interrupt on rising edges
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* - fallingedge: Enables interrupt on falling edges
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* - func: When non-NULL, generate interrupt
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* - arg: Argument passed to the interrupt callback
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*
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****************************************************************************/
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void nrf53_gpiote_set_ch_event(uint32_t pinset, int channel,
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bool risingedge, bool fallingedge,
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xcpt_t func, void *arg);
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/****************************************************************************
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* Name: nrf53_gpiote_set_event
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*
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* Description:
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* Configures a GPIOTE channel in EVENT mode, assigns it to a given pin
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* and sets a handler for the first availalbe GPIOTE channel
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*
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* Input Parameters:
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* - pinset: GPIO pin configuration
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* - risingedge: Enables interrupt on rising edges
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* - fallingedge: Enables interrupt on falling edges
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* - func: When non-NULL, generate interrupt
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* - arg: Argument passed to the interrupt callback
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*
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* Returned Value:
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* Zero (OK) on success; a negated errno value on failure indicating the
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* nature of the failure.
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*
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****************************************************************************/
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int nrf53_gpiote_set_event(uint32_t pinset,
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bool risingedge, bool fallingedge,
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xcpt_t func, void *arg);
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#ifdef CONFIG_NRF53_PER_PIN_INTERRUPTS
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/****************************************************************************
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* Name: nrf53_gpiote_set_pin_event
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*
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* Description:
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* Sets/clears a handler for a given pin for the GPIO PORT event. This
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* will mean edge-sensitive or level-sensitive according to GPIO detect
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* mode configuration for the port (see nrf53_gpio_detectmode()). Pin
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* will be sensitive to high/low according to GPIO_SENSE_LOW/HIGH
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* (set via nrf53_gpio_config()).
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*
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* The passed handler will be invoked from the main ISR for the PORT
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* event and will take care of clearing the LATCH register.
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*
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* Input Parameters:
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* - pinset: GPIO pin configuration
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* - func: When non-NULL, generate interrupt
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* - arg: Argument passed to the interrupt callback
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*
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****************************************************************************/
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void nrf53_gpiote_set_pin_event(uint32_t pinset, xcpt_t func, void *arg);
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#else
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/****************************************************************************
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* Name: nrf53_gpiote_set_port_event
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*
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* Description:
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* Sets/clears the handler for the GPIO PORT event.
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*
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* The passed handler will be invoked from the main ISR for the PORT
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* event and will take care of clearing the LATCH register.
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*
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* Input Parameters:
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* - pinset: GPIO port will be extracted from this parameter
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* - func: When non-NULL, generate interrupt
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* - arg: Argument passed to the interrupt callback
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*
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****************************************************************************/
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void nrf53_gpiote_set_port_event(uint32_t pinset, xcpt_t func, void *arg);
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#endif
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/****************************************************************************
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* Name: nrf53_gpio_set_task
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*
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* Description:
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* Configure GPIO in TASK mode (to be controlled via tasks).
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* Note that a pin can only be either in TASK or EVENT mode (set by
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* nrf53_gpiosetevent with event set to true). Also, once set to TASK mode,
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* pin control is only possible via tasks on the via nrf53_gpio_write and
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* will automatically set the output mode.
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* Finally, a given pin should only be assigned to a given channel.
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*
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* Input Parameters:
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* - pinset: gpio pin configuration (only port + pin is important here)
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* - channel: the GPIOTE channel used to control the given pin
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* - output_high: set pin initially to output HIGH or LOW.
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* - outcfg: configure pin behavior one OUT task is triggered
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*
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****************************************************************************/
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void nrf53_gpio_set_task(uint32_t pinset, int channel,
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bool output_high, enum nrf53_gpiote_outcfg_e outcfg);
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/****************************************************************************
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* Name: nrf53_gpiote_init
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*
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* Description:
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* Initialize GPIOTE
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*
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****************************************************************************/
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int nrf53_gpiote_init(void);
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#endif /* __ARCH_ARM_SRC_NRF53_NRF53_GPIOTE_H */
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