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 "maxim_irq.h"
#include "maxim_dma.h"
#include "max78000.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.
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	max_uart_callback (mxc_uart_req_t *req, int result)
	UART callback function that sets the event and further calls the user registered callback.
int	max_irq_ctrl_init (struct no_os_irq_ctrl_desc **desc, const struct no_os_irq_init_param *param)
	Initialize the interrupt controller.
int	max_irq_ctrl_remove (struct no_os_irq_ctrl_desc *desc)
	Free the resources allocated by no_os_irq_ctrl_init()
int	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.
int	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.
int	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.
int	max_irq_global_enable (struct no_os_irq_ctrl_desc *desc)
	Enable all interrupts.
int	max_irq_global_disable (struct no_os_irq_ctrl_desc *desc)
	Disable all interrupts.
int	max_irq_enable (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id)
	Enable a specific interrupt.
int	max_irq_disable (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id)
	Disable a specific interrupt.
int	max_irq_set_priority (struct no_os_irq_ctrl_desc *desc, uint32_t irq_id, uint32_t priority_level)
	Set a priority level for an interrupt.

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

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.

SPDX-License-Identifier: BSD-3-Clause

Macro Definition Documentation

MAX_UART_ERROR_FLAGS

#define MAX_UART_ERROR_FLAGS

Value:

                  (MXC_F_UART_INT_FL_RX_FERR | \
                  MXC_F_UART_INT_FL_RX_PAR | \
                  MXC_F_UART_INT_FL_RX_OV)

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()

int 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()

int 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()

int 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()

int 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()

int 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()

int 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()

int 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_set_priority()

int max_irq_set_priority	(	struct no_os_irq_ctrl_desc *	desc,
		uint32_t	irq_id,
		uint32_t	priority_level )

Set a priority level for an interrupt.

Parameters

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

Returns

0 in case of success, -EINVAL otherwise.

max_irq_trigger_level_set()

int 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()

int 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

(

)

Variable Documentation

is_callback

bool is_callback

extern

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]

extern

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