circuitpython/ports/nrf/hal/hal_timer.h

77 lines
2.8 KiB
C

/*
* This file is part of the MicroPython project, http://micropython.org/
*
* The MIT License (MIT)
*
* Copyright (c) 2016 Glenn Ruben Bakke
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef HAL_TIMER_H__
#define HAL_TIMER_H__
#include "nrf.h"
#if NRF51
#define TIMER_BASE_POINTERS (const uint32_t[]){NRF_TIMER0_BASE, \
NRF_TIMER1_BASE, \
NRF_TIMER2_BASE}
#define TIMER_IRQ_VALUES (const uint32_t[]){TIMER0_IRQn, \
TIMER1_IRQn, \
TIMER2_IRQn}
#endif
#if NRF52
#define TIMER_BASE_POINTERS (const uint32_t[]){NRF_TIMER0_BASE, \
NRF_TIMER1_BASE, \
NRF_TIMER1_BASE, \
NRF_TIMER1_BASE, \
NRF_TIMER2_BASE}
#define TIMER_IRQ_VALUES (const uint32_t[]){TIMER0_IRQn, \
TIMER1_IRQn, \
TIMER2_IRQn, \
TIMER3_IRQn, \
TIMER4_IRQn}
#endif
#define TIMER_BASE(x) ((NRF_TIMER_Type *)TIMER_BASE_POINTERS[x])
#define TIMER_IRQ_NUM(x) (TIMER_IRQ_VALUES[x])
typedef void (*hal_timer_app_callback)(uint8_t id);
/**
* @brief Timer Configuration Structure definition
*/
typedef struct {
uint8_t id;
uint32_t period;
uint8_t irq_priority;
} hal_timer_conf_t;
void hal_timer_callback_set(hal_timer_app_callback callback);
void hal_timer_init(hal_timer_conf_t const * p_timer_config);
void hal_timer_start(uint8_t id);
void hal_timer_stop(uint8_t id);
#endif // HAL_TIMER_H__