mirror of
https://github.com/mytechnotalent/Embedded-Hacking.git
synced 2026-05-29 18:49:29 +02:00
Kevin Thomas
55 lines
1.5 KiB
C
55 lines
1.5 KiB
C
/**
|
|
******************************************************************************
|
|
* @file rp2350_timer.h
|
|
* @author Kevin Thomas
|
|
* @brief TIMER0 alarm driver header for RP2350.
|
|
*
|
|
* Bare-metal TIMER0 driver providing a repeating alarm
|
|
* interrupt on alarm 0. The tick generator is configured
|
|
* for 1 us resolution from the 12 MHz CLK_REF.
|
|
*
|
|
******************************************************************************
|
|
* @attention
|
|
*
|
|
* Copyright (c) 2026 Kevin Thomas.
|
|
* All rights reserved.
|
|
*
|
|
* This software is licensed under terms that can be found in the LICENSE file
|
|
* in the root directory of this software component.
|
|
* If no LICENSE file comes with this software, it is provided AS-IS.
|
|
*
|
|
******************************************************************************
|
|
*/
|
|
|
|
#ifndef __RP2350_TIMER_H
|
|
#define __RP2350_TIMER_H
|
|
|
|
#include "rp2350.h"
|
|
|
|
/**
|
|
* @brief Callback type for repeating timer alarm.
|
|
*/
|
|
typedef void (*timer_callback_t)(void);
|
|
|
|
/**
|
|
* @brief Release TIMER0 from reset and wait until ready.
|
|
* @retval None
|
|
*/
|
|
void timer_release_reset(void);
|
|
|
|
/**
|
|
* @brief Start the TIMER0 tick generator at 1 us resolution.
|
|
* @retval None
|
|
*/
|
|
void timer_tick_init(void);
|
|
|
|
/**
|
|
* @brief Start a repeating alarm that fires every period_ms milliseconds.
|
|
* @param period_ms interval in milliseconds between callbacks
|
|
* @param cb function to call on each alarm
|
|
* @retval None
|
|
*/
|
|
void timer_alarm_start(uint32_t period_ms, timer_callback_t cb);
|
|
|
|
#endif /* __RP2350_TIMER_H */
|