PicoSDK
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Outline
#define _HARDWARE_TICKS_H
#include "pico.h"
#include "hardware/structs/ticks.h"
#include "hardware/watchdog.h"
#define PARAM_ASSERTIONS_ENABLED_HARDWARE_TICKS
tick_start(tick_gen_num_t, uint);
tick_stop(tick_gen_num_t);
tick_is_running(tick_gen_num_t);
Files
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SourceVuRaspberry Pi Pico SDK and ExamplesPicoSDKsrc/rp2_common/hardware_ticks/include/hardware/ticks.h
 
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/* * Copyright (c) 2024 Raspberry Pi (Trading) Ltd. * * SPDX-License-Identifier: BSD-3-Clause *//* ... */ #ifndef _HARDWARE_TICKS_H #define _HARDWARE_TICKS_H /** \file hardware/tick.h * \defgroup hardware_ticks hardware_ticks * * \brief Hardware Tick API * * \if rp2040_specific * RP2040 only has one tick generator, and it is part of the watchdog hardware. * \endif * * \if rp2350_specific * The RP2350 has a dedicated Tick block that is used to supply ticks to TIMER0, TIMER1, * RISC-V platform timer, Arm Cortex-M33 0 timer, Arm Cortex-M33 1 timer and the WATCHDOG block. * \endif *//* ... */ #include "pico.h" #if !PICO_RP2040 #include "hardware/structs/ticks.h" #else #include "hardware/watchdog.h" /*! \brief Tick generator numbers on RP2040 (used as typedef \ref tick_gen_num_t) * \ingroup hardware_ticks * * RP2040 only has one tick generator, and it is part of the watchdog hardware *//* ... */ typedef enum tick_gen_num_rp2040 { TICK_WATCHDOG = 0, TICK_COUNT ...} tick_gen_num_t;/* ... */ #endif #ifdef __cplusplus extern "C" { #endif // PICO_CONFIG: PARAM_ASSERTIONS_ENABLED_HARDWARE_TICKS, Enable/disable assertions in the hardware_ticks module, type=bool, default=0, group=hardware_ticks #ifndef PARAM_ASSERTIONS_ENABLED_HARDWARE_TICKS #define PARAM_ASSERTIONS_ENABLED_HARDWARE_TICKS 0 #endif /*! \brief Start a tick generator * \ingroup hardware_ticks * * \param tick The tick generator number * \param cycles The number of clock cycles per tick *//* ... */ void tick_start(tick_gen_num_t tick, uint cycles); /*! \brief Stop a tick generator * \ingroup hardware_ticks * * \param tick The tick generator number *//* ... */ void tick_stop(tick_gen_num_t tick); /*! \brief Check if a tick genererator is currently running * \ingroup hardware_ticks * * \param tick The tick generator number * \return true if the specific ticker is running. *//* ... */ bool tick_is_running(tick_gen_num_t tick); #ifdef __cplusplus }extern "C" { ... } #endif /* ... */ #endif
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