Pratyush Mallick
/
testing
this is testing
Diff: app/noos_mbed/include/irq.h
- Revision:
- 0:3afcd581558d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/app/noos_mbed/include/irq.h Thu Jan 14 18:54:16 2021 +0530 @@ -0,0 +1,134 @@ +/***************************************************************************//** + * @file irq.h + * @brief Header file of IRQ interface. + * @author Cristian Pop (cristian.pop@analog.com) +******************************************************************************** + * Copyright 2019(c) Analog Devices, Inc. + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - 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. + * - 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. + * - The use of this software may or may not infringe the patent rights + * of one or more patent holders. This license does not release you + * from the requirement that you obtain separate licenses from these + * patent holders to use this software. + * - Use of the software either in source or binary form, must be run + * on or directly connected to an Analog Devices Inc. component. + * + * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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. +*******************************************************************************/ + +#ifndef IRQ_H_ +#define IRQ_H_ + +/******************************************************************************/ +/***************************** Include Files **********************************/ +/******************************************************************************/ + +#include <stdint.h> + +/******************************************************************************/ +/*************************** Types Declarations *******************************/ +/******************************************************************************/ + +/** + * @enum irq_uart_event_e + * @brief Possible events for uart interrupt + */ +enum irq_uart_event_e { + /** Write operation finalized */ + WRITE_DONE, + /** Read operation finalized */ + READ_DONE, + /** An error occurred */ + ERROR_RW +}; + +/** + * @struct irq_init_param + * @brief Structure holding the initial parameters for Interrupt Request. + */ +struct irq_init_param { + /** Interrupt request controller ID. */ + uint32_t irq_ctrl_id; + /** IRQ extra parameters (device specific) */ + void *extra; +}; + +/** + * @struct irq_desc + * @brief Structure for Interrupt Request descriptor. + */ +struct irq_ctrl_desc { + /** Interrupt request controller ID. */ + uint32_t irq_ctrl_id; + /** IRQ extra parameters (device specific) */ + void *extra; +}; + +/** + * @struct callback_desc + * @brief Structure describing a callback to be registered + */ +struct callback_desc { + /** + * Callback to be called when the event an event occurs + */ + void(*callback)(void); + /** Parameter to be passed when the callback is called */ + void *ctx; + /** Platform specific configuration for a callback */ + void *config; +}; + +/******************************************************************************/ +/************************ Functions Declarations ******************************/ +/******************************************************************************/ + +/* Initialize a interrupt controller peripheral. */ +int32_t irq_ctrl_init(struct irq_ctrl_desc **desc, + const struct irq_init_param *param); + +/* Free the resources allocated by irq_ctrl_init(). */ +int32_t irq_ctrl_remove(struct irq_ctrl_desc *desc); + +/* Register a callback to handle the irq events */ +int32_t irq_register_callback(struct irq_ctrl_desc *desc, + uint32_t irq_id, + struct callback_desc *callback_desc); + +/* Unregisters a generic IRQ handling function */ +int32_t irq_unregister(struct irq_ctrl_desc *desc, uint32_t irq_id); + +/* Global interrupt enable */ +int32_t irq_global_enable(struct irq_ctrl_desc *desc); + +/* Global interrupt disable */ +int32_t irq_global_disable(struct irq_ctrl_desc *desc); + +/* Enable specific interrupt */ +int32_t irq_enable(struct irq_ctrl_desc *desc, uint32_t irq_id); + +/* Disable specific interrupt */ +int32_t irq_disable(struct irq_ctrl_desc *desc, uint32_t irq_id); + +#endif // IRQ_H_ \ No newline at end of file