Pratyush Mallick
/
testing
this is testing
Diff: app/noos_mbed/include/timer.h
- Revision:
- 0:3afcd581558d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/app/noos_mbed/include/timer.h Thu Jan 14 18:54:16 2021 +0530 @@ -0,0 +1,113 @@ +/***************************************************************************//** +* @file timer.h +* @brief Timer control module header. +* @author Andrei Drimbarean (andrei.drimbarean@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 SRC_TIMER_H_ +#define SRC_TIMER_H_ + +/******************************************************************************/ +/***************************** Include Files **********************************/ +/******************************************************************************/ + +#include <stdint.h> + +/******************************************************************************/ +/*************************** Types Declarations *******************************/ +/******************************************************************************/ + +/** + * @struct timer_desc + * @brief Structure holding timer descriptor + */ +struct timer_desc { + /** timer ID */ + uint16_t id; + /** timer count frequency (Hz) */ + uint32_t freq_hz; + /** counter start value */ + uint32_t load_value; + /** timer extra parameters (device specific) */ + void *extra; +}; + +/** + * @struct timer_init_param + * @brief Structure holding the parameters for timer initialization + */ +struct timer_init_param { + /** timer ID */ + uint16_t id; + /** timer count frequency (Hz) */ + uint32_t freq_hz; + /** counter start value */ + uint32_t load_value; + /** timer extra parameters (device specific) */ + void *extra; +}; + +/******************************************************************************/ +/************************ Functions Declarations ******************************/ +/******************************************************************************/ + +/* Initialize hardware timer and the handler structure associated with it. */ +int32_t timer_init(struct timer_desc **desc, + struct timer_init_param *param); + +/* Free the memory allocated by timer_setup(). */ +int32_t timer_remove(struct timer_desc *desc); + +/* Start a timer. */ +int32_t timer_start(struct timer_desc *desc); + +/* Stop a timer from counting. */ +int32_t timer_stop(struct timer_desc *desc); + +/* Get the value of the counter register for the timer. */ +int32_t timer_counter_get(struct timer_desc *desc, uint32_t *counter); + +/* Set the timer counter register value. */ +int32_t timer_counter_set(struct timer_desc *desc, uint32_t new_val); + +/* Get the timer clock frequency. */ +int32_t timer_count_clk_get(struct timer_desc *desc, uint32_t *freq_hz); + +/* Set the timer clock frequency. */ +int32_t timer_count_clk_set(struct timer_desc *desc, uint32_t freq_hz); + +#endif /* SRC_TIMER_H_ */ +