pico_irq.c File Reference

Implementation of external irq driver. More...

#include "no_os_irq.h"
#include "no_os_list.h"
#include "no_os_uart.h"
#include "no_os_util.h"
#include "no_os_error.h"
#include "no_os_timer.h"
#include "no_os_alloc.h"
#include "pico_irq.h"
#include "pico_uart.h"
#include "pico_timer.h"
#include "pico/stdlib.h"
#include "hardware/irq.h"

Include dependency graph for pico_irq.c:

Classes
struct	irq_action
	Struct used to store a (peripheral, callback) pair. More...
struct	event_list
	Struct that stores all the actions for a specific event. More...

Macros
#define	PICO_IRQ_NB   26u

Functions
void	on_uart0_rx (void)
	UART0 RX interrupt handler.
void	on_uart1_rx (void)
	UART1 RX interrupt handler.
int32_t	irq_action_cmp (void *data1, void *data2)
	Action comparator function.
int	pico_irq_ctrl_init (struct no_os_irq_ctrl_desc **desc, const struct no_os_irq_init_param *param)
	Initialized the controller for pico external interrupts.
int	pico_irq_ctrl_remove (struct no_os_irq_ctrl_desc *desc)
	Free the resources allocated by irq_ctrl_init().
int	pico_trigger_level_set (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, enum no_os_irq_trig_level level)
	Unused.
int	pico_irq_register_callback (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, struct no_os_callback_desc *cb)
	Register a callback.
int	pico_irq_unregister_callback (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, struct no_os_callback_desc *cb)
	Unregister a callback.
int	pico_irq_global_enable (struct no_os_irq_ctrl_desc *desc)
	Enable all interrupts.
int	pico_irq_global_disable (struct no_os_irq_ctrl_desc *desc)
	Disable all interrupts.
int	pico_irq_enable (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id)
	Enable a specific interrupt.
int	pico_irq_disable (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id)
	Disable a specific interrupt.

Variables
const struct no_os_irq_platform_ops	pico_irq_ops
	pico specific IRQ platform ops structure

Detailed Description

Implementation of external irq driver.

Author

RBolboac (ramon.nosp@m.a.bo.nosp@m.lboac.nosp@m.a@an.nosp@m.alog..nosp@m.com)

Copyright 2022(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

PICO_IRQ_NB

#define PICO_IRQ_NB   26u

Function Documentation

irq_action_cmp()

int32_t irq_action_cmp	(	void *	data1,
		void *	data2 )

Action comparator function.

irq_action compare function

Parameters

data1	- List element.
data2	- Key.

Returns

0 if the two are equal, any other integer otherwise.

on_uart0_rx()

void on_uart0_rx

(

void

)

UART0 RX interrupt handler.

on_uart1_rx()

void on_uart1_rx

(

void

)

UART1 RX interrupt handler.

pico_irq_ctrl_init()

int pico_irq_ctrl_init	(	struct no_os_irq_ctrl_desc **	desc,
		const struct no_os_irq_init_param *	param )

Initialized the controller for pico external interrupts.

Parameters

desc	- Pointer where the configured instance is stored.
param	- Configuration information for the instance.

Returns

0 in case of success, error code otherwise.

pico_irq_ctrl_remove()

int pico_irq_ctrl_remove

(

struct no_os_irq_ctrl_desc *

desc

)

Free the resources allocated by irq_ctrl_init().

Parameters

desc	- Interrupt controller descriptor.

Returns

0 in case of success, error code otherwise.

pico_irq_disable()

int pico_irq_disable	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id )

Disable a specific interrupt.

Parameters

desc	- Interrupt controller descriptor.
irq_id	- Interrupt identifier.

Returns

0 if successful, error code otherwise.

pico_irq_enable()

int pico_irq_enable	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id )

Enable a specific interrupt.

Parameters

desc	- Interrupt controller descriptor.
irq_id	- Interrupt identifier.

Returns

0 if successful, error code otherwise.

pico_irq_global_disable()

int pico_irq_global_disable

(

struct no_os_irq_ctrl_desc *

desc

)

Disable all interrupts.

Parameters

desc	- Interrupt controller descriptor.

Returns

0

pico_irq_global_enable()

int pico_irq_global_enable

(

struct no_os_irq_ctrl_desc *

desc

)

Enable all interrupts.

Parameters

desc	- Interrupt controller descriptor.

Returns

0

pico_irq_register_callback()

int pico_irq_register_callback	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id,
		struct no_os_callback_desc *	cb )

Register a callback.

Parameters

desc	- The IRQ controller descriptor.
irq_id	- Interrupt identifier.
cb	- Descriptor of the callback.

Returns

0 if successful, error code otherwise.

pico_irq_unregister_callback()

int pico_irq_unregister_callback	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id,
		struct no_os_callback_desc *	cb )

Unregister a callback.

Parameters

desc	- Interrupt controller descriptor.
irq_id	- Id of the interrupt.
cb	- Descriptor of the callback.

Returns

0 if successful, error code otherwise.

pico_trigger_level_set()

int pico_trigger_level_set	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id,
		enum no_os_irq_trig_level	level )

Unused.

Parameters

desc	- Irq descriptor.
irq_id	- The interrupt vector entry id of the peripheral.
level	- The trigger condition.

Returns

-ENOSYS

Variable Documentation

pico_irq_ops

const struct no_os_irq_platform_ops pico_irq_ops

Initial value:

= {
    .init = &pico_irq_ctrl_init,
    .trigger_level_set = &pico_trigger_level_set,
    .register_callback = &pico_irq_register_callback,
    .unregister_callback = &pico_irq_unregister_callback,
    .global_enable = &pico_irq_global_enable,
    .global_disable = &pico_irq_global_disable,
    .enable = &pico_irq_enable,
    .disable = &pico_irq_disable,
    .set_priority = &pico_irq_set_priority,
    .remove = &pico_irq_ctrl_remove
}

pico specific IRQ platform ops structure

pico platform specific irq platform ops structure