maxim_irq.c File Reference

Implementation of external irq driver. More...

#include <stdint.h>
#include <stdlib.h>
#include <stdbool.h>
#include <errno.h>
#include "rtc.h"
#include "uart.h"
#include "tmr.h"
#include "dma.h"
#include "maxim_irq.h"
#include "maxim_dma.h"
#include "max32650.h"
#include "no_os_uart.h"
#include "no_os_util.h"
#include "no_os_alloc.h"

Include dependency graph for maxim_irq.c:

Macros
#define	MAX_UART_ERROR_FLAGS

Functions
int32_t	irq_action_cmp (void *data1, void *data2)
	Action comparator function. More...
void	UART0_IRQHandler ()
void	DMA0_IRQHandler ()
void	DMA1_IRQHandler ()
void	DMA2_IRQHandler ()
void	DMA3_IRQHandler ()
void	DMA4_IRQHandler ()
void	DMA5_IRQHandler ()
void	DMA6_IRQHandler ()
void	DMA7_IRQHandler ()
void	DMA8_IRQHandler ()
void	DMA9_IRQHandler ()
void	DMA10_IRQHandler ()
void	DMA11_IRQHandler ()
void	DMA12_IRQHandler ()
void	DMA13_IRQHandler ()
void	DMA14_IRQHandler ()
void	DMA15_IRQHandler ()
void	RTC_IRQHandler ()
void	USB_IRQHandler (void)
void	max_uart_callback (mxc_uart_req_t *req, int result)
	UART callback function that sets the event and further calls the user registered callback. More...
int32_t	max_irq_ctrl_init (struct no_os_irq_ctrl_desc **desc, const struct no_os_irq_init_param *param)
	Initialize the interrupt controller. More...
int32_t	max_irq_ctrl_remove (struct no_os_irq_ctrl_desc *desc)
	Free the resources allocated by no_os_irq_ctrl_init() More...
int32_t	max_irq_register_callback (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, struct no_os_callback_desc *callback_desc)
	Register a callback function to be triggered when an interrupt occurs. More...
int32_t	max_irq_unregister_callback (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, struct no_os_callback_desc *cb)
	Unregister a callback function. More...
int32_t	max_irq_trigger_level_set (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, enum no_os_irq_trig_level trig_l)
	Unused. More...
int32_t	max_irq_global_enable (struct no_os_irq_ctrl_desc *desc)
	Enable all interrupts. More...
int32_t	max_irq_global_disable (struct no_os_irq_ctrl_desc *desc)
	Disable all interrupts. More...
int32_t	max_irq_enable (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id)
	Enable a specific interrupt. More...
int32_t	max_irq_disable (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id)
	Disable a specific interrupt. More...

Variables
mxc_uart_req_t	uart_irq_state [MXC_UART_INSTANCES]
	Descriptors to hold the state of nonblocking read and writes on each port. More...
bool	is_callback
const struct no_os_irq_platform_ops	max_irq_ops
	maxim specific IRQ platform ops structure More...

Detailed Description

Implementation of external irq driver.

Author

Ciprian Regus (cipri.nosp@m.an.r.nosp@m.egus@.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.

Macro Definition Documentation

MAX_UART_ERROR_FLAGS

#define MAX_UART_ERROR_FLAGS

Value:

                  (MXC_F_UART_INT_FL_FRAME | \
                  MXC_F_UART_INT_FL_PARITY | \
                  MXC_F_UART_INT_FL_RX_OVR)

Function Documentation

DMA0_IRQHandler()

void DMA0_IRQHandler

(

)

DMA10_IRQHandler()

void DMA10_IRQHandler

(

)

DMA11_IRQHandler()

void DMA11_IRQHandler

(

)

DMA12_IRQHandler()

void DMA12_IRQHandler

(

)

DMA13_IRQHandler()

void DMA13_IRQHandler

(

)

DMA14_IRQHandler()

void DMA14_IRQHandler

(

)

DMA15_IRQHandler()

void DMA15_IRQHandler

(

)

DMA1_IRQHandler()

void DMA1_IRQHandler

(

)

DMA2_IRQHandler()

void DMA2_IRQHandler

(

)

DMA3_IRQHandler()

void DMA3_IRQHandler

(

)

DMA4_IRQHandler()

void DMA4_IRQHandler

(

)

DMA5_IRQHandler()

void DMA5_IRQHandler

(

)

DMA6_IRQHandler()

void DMA6_IRQHandler

(

)

DMA7_IRQHandler()

void DMA7_IRQHandler

(

)

DMA8_IRQHandler()

void DMA8_IRQHandler

(

)

DMA9_IRQHandler()

void DMA9_IRQHandler

(

)

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

max_irq_ctrl_init()

int32_t max_irq_ctrl_init	(	struct no_os_irq_ctrl_desc **	desc,
		const struct no_os_irq_init_param *	param
	)

Initialize the interrupt controller.

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.

max_irq_ctrl_remove()

int32_t max_irq_ctrl_remove

(

struct no_os_irq_ctrl_desc *

desc

)

Free the resources allocated by no_os_irq_ctrl_init()

Parameters

desc	- Interrupt controller descriptor.

Returns

0 in case of success, errno error codes otherwise.

max_irq_disable()

int32_t max_irq_disable	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id
	)

Disable a specific interrupt.

Parameters

desc	- Interrupt controller descriptor.
irq_id	- The interrupt vector entry id of the peripheral.

Returns

0 in case of success, -EINVAL otherwise.

max_irq_enable()

int32_t max_irq_enable	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id
	)

Enable a specific interrupt.

Parameters

desc	- Interrupt controller descriptor.
irq_id	- The interrupt vector entry id of the peripheral.

Returns

0 in case of success, errno error codes otherwise.

max_irq_global_disable()

int32_t max_irq_global_disable

(

struct no_os_irq_ctrl_desc *

desc

)

Disable all interrupts.

Parameters

desc	- Interrupt controller descriptor.

Returns

0

max_irq_global_enable()

int32_t max_irq_global_enable

(

struct no_os_irq_ctrl_desc *

desc

)

Enable all interrupts.

Parameters

desc	- Interrupt controller descriptor.

Returns

0

max_irq_register_callback()

int32_t max_irq_register_callback	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id,
		struct no_os_callback_desc *	callback_desc
	)

Register a callback function to be triggered when an interrupt occurs.

Parameters

desc	- The IRQ controller descriptor.
irq_id	- The interrupt vector entry id of the peripheral.
callback_desc	- Descriptor of the callback.

Returns

0 in case of success, errno error codes otherwise

max_irq_trigger_level_set()

int32_t max_irq_trigger_level_set	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id,
		enum no_os_irq_trig_level	trig_l
	)

Unused.

Parameters

desc	-irq descriptor.
irq_id	- The interrupt vector entry id of the peripheral.
trig_l	- the trigger condition.

Returns

-ENOSYS

max_irq_unregister_callback()

int32_t max_irq_unregister_callback	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id,
		struct no_os_callback_desc *	cb
	)

Unregister a callback function.

Parameters

desc	- Interrupt controller descriptor.
irq_id	- The interrupt vector entry id of the peripheral.
cb	- Callback descriptor.

Returns

0 in case of success, errno error codes otherwise.

max_uart_callback()

void max_uart_callback	(	mxc_uart_req_t *	req,
		int	result
	)

UART callback function that sets the event and further calls the user registered callback.

Platform specific uart callback function.

Parameters

req	- UART request struct
result	- status of the request (error code)

RTC_IRQHandler()

void RTC_IRQHandler

(

)

UART0_IRQHandler()

void UART0_IRQHandler

(

)

USB_IRQHandler()

void USB_IRQHandler

(

void

)

Variable Documentation

is_callback

bool is_callback

max_irq_ops

const struct no_os_irq_platform_ops max_irq_ops

Initial value:

= {
    .init = &max_irq_ctrl_init,
    .register_callback = &max_irq_register_callback,
    .unregister_callback = &max_irq_unregister_callback,
    .trigger_level_set = &max_irq_trigger_level_set,
    .global_enable = &max_irq_global_enable,
    .global_disable = &max_irq_global_disable,
    .enable = &max_irq_enable,
    .disable = &max_irq_disable,
    .set_priority = &max_irq_set_priority,
    .remove = &max_irq_ctrl_remove
}

maxim specific IRQ platform ops structure

maxim platform specific irq platform ops structure

uart_irq_state

mxc_uart_req_t uart_irq_state[MXC_UART_INSTANCES]

Descriptors to hold the state of nonblocking read and writes on each port.