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)
int32_t	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. More...
int32_t	stm32_irq_ctrl_remove (struct no_os_irq_ctrl_desc *desc)
	Free the resources allocated by irq_ctrl_init() More...
int32_t	stm32_trigger_level_set (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, enum no_os_irq_trig_level level)
	Unused. More...
int32_t	stm32_irq_register_callback (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, struct no_os_callback_desc *cb)
	Register a callback. More...
int32_t	stm32_irq_unregister_callback (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, struct no_os_callback_desc *cb)
	Unregister a callback. More...
int32_t	stm32_irq_global_enable (struct no_os_irq_ctrl_desc *desc)
	Enable all interrupts. More...
int32_t	stm32_irq_global_disable (struct no_os_irq_ctrl_desc *desc)
	Disable all interrupts. More...
int32_t	stm32_irq_enable (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id)
	Enable a specific interrupt. More...
int32_t	stm32_irq_disable (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id)
	Disable a specific interrupt. More...

Variables
const struct no_os_irq_platform_ops	stm32_irq_ops
	stm32 specific IRQ platform ops structure More...

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.

Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:

1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution.
3. Neither the name of Analog Devices, Inc. nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “AS IS” AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL ANALOG DEVICES, INC. BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

Function Documentation

_ErrorCallback()

void _ErrorCallback

(

UART_HandleTypeDef *

huart

)

_RxCpltCallback()

void _RxCpltCallback

(

UART_HandleTypeDef *

huart

)

_TxCpltCallback()

void _TxCpltCallback

(

UART_HandleTypeDef *

huart

)

stm32_irq_ctrl_init()

int32_t 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()

int32_t 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()

int32_t 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()

int32_t 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()

int32_t 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()

int32_t 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()

int32_t 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()

int32_t 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()

int32_t 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,
    .remove = &stm32_irq_ctrl_remove
}

stm32 specific IRQ platform ops structure

stm32 platform specific irq platform ops structure