stm32_irq.c File Reference

Implementation of external irq driver. More...

#include <stdint.h>
#include <stdlib.h>
#include <errno.h>
#include "no_os_list.h"
#include "no_os_irq.h"
#include "no_os_util.h"
#include "no_os_alloc.h"
#include "stm32_irq.h"

Include dependency graph for stm32_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...

Functions
void	_TxCpltCallback (UART_HandleTypeDef *huart)
void	_RxCpltCallback (UART_HandleTypeDef *huart)
void	_ErrorCallback (UART_HandleTypeDef *huart)
int	stm32_irq_ctrl_init (struct no_os_irq_ctrl_desc **desc, const struct no_os_irq_init_param *param)
	Initialized the controller for the STM32 external interrupts.
int	stm32_irq_ctrl_remove (struct no_os_irq_ctrl_desc *desc)
	Free the resources allocated by irq_ctrl_init()
int	stm32_trigger_level_set (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, enum no_os_irq_trig_level level)
	Unused.
int	stm32_irq_register_callback (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, struct no_os_callback_desc *cb)
	Register a callback.
int	stm32_irq_unregister_callback (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, struct no_os_callback_desc *cb)
	Unregister a callback.
int	stm32_irq_global_enable (struct no_os_irq_ctrl_desc *desc)
	Enable all interrupts.
int	stm32_irq_global_disable (struct no_os_irq_ctrl_desc *desc)
	Disable all interrupts.
int	stm32_irq_enable (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id)
	Enable a specific interrupt.
int	stm32_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	stm32_irq_ops
	stm32 specific IRQ platform ops structure

Detailed Description

Implementation of external irq driver.

Author

Darius Berghe (dariu.nosp@m.s.be.nosp@m.rghe@.nosp@m.anal.nosp@m.og.co.nosp@m.m)

Copyright 2022(c) Analog Devices, Inc.

SPDX-License-Identifier: BSD-3-Clause

Function Documentation

_ErrorCallback()

void _ErrorCallback

(

UART_HandleTypeDef *

huart

)

_RxCpltCallback()

void _RxCpltCallback

(

UART_HandleTypeDef *

huart

)

_TxCpltCallback()

void _TxCpltCallback

(

UART_HandleTypeDef *

huart

)

stm32_irq_ctrl_init()

int stm32_irq_ctrl_init	(	struct no_os_irq_ctrl_desc **	desc,
		const struct no_os_irq_init_param *	param )

Initialized the controller for the STM32 external interrupts.

Parameters

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

Returns

0 in case of success, errno error codes otherwise.

stm32_irq_ctrl_remove()

int stm32_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, errno error codes otherwise.

stm32_irq_disable()

int stm32_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 in case of success, -EINVAL otherwise.

stm32_irq_enable()

int stm32_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 in case of success, errno error codes otherwise.

stm32_irq_global_disable()

int stm32_irq_global_disable

(

struct no_os_irq_ctrl_desc *

desc

)

Disable all interrupts.

Parameters

desc	- Interrupt controller descriptor.

Returns

0

stm32_irq_global_enable()

int stm32_irq_global_enable

(

struct no_os_irq_ctrl_desc *

desc

)

Enable all interrupts.

Parameters

desc	- Interrupt controller descriptor.

Returns

0

stm32_irq_register_callback()

int stm32_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 successfull, negative error code otherwise.

stm32_irq_unregister_callback()

int stm32_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 successfull, negative error code otherwise.

stm32_trigger_level_set()

int stm32_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

stm32_irq_ops

const struct no_os_irq_platform_ops stm32_irq_ops

Initial value:

= {
    .init = &stm32_irq_ctrl_init,
    .trigger_level_set = &stm32_trigger_level_set,
    .register_callback = &stm32_irq_register_callback,
    .unregister_callback = &stm32_irq_unregister_callback,
    .global_enable = &stm32_irq_global_enable,
    .global_disable = &stm32_irq_global_disable,
    .enable = &stm32_irq_enable,
    .disable = &stm32_irq_disable,
    .set_priority = &stm32_irq_set_priority,
    .get_priority = &stm32_irq_get_priority,
    .remove = &stm32_irq_ctrl_remove,
    .clear_pending = &stm32_irq_clear_pending,
    .set_pending = &stm32_irq_set_pending
}

stm32 specific IRQ platform ops structure

stm32 platform specific irq platform ops structure