amiro-os / core / inc / aos_timer.h @ 5766017b
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| 1 | e545e620 | Thomas Schöpping | /*
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| 2 | AMiRo-OS is an operating system designed for the Autonomous Mini Robot (AMiRo) platform.
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| 3 | 84f0ce9e | Thomas Schöpping | Copyright (C) 2016..2019 Thomas Schöpping et al.
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| 4 | e545e620 | Thomas Schöpping | |
| 5 | This program is free software: you can redistribute it and/or modify
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| 6 | it under the terms of the GNU General Public License as published by
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| 7 | the Free Software Foundation, either version 3 of the License, or
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| 8 | (at your option) any later version.
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| 9 | |||
| 10 | This program is distributed in the hope that it will be useful,
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 13 | GNU General Public License for more details.
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| 14 | |||
| 15 | You should have received a copy of the GNU General Public License
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| 16 | along with this program. If not, see <http://www.gnu.org/licenses/>.
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| 17 | */
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| 18 | |||
| 19 | 53710ca3 | Marc Rothmann | /**
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| 20 | * @file aos_timer.h
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| 21 | * @brief Timer macros and structures.
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| 22 | *
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| 23 | * @addtogroup aos_timers
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| 24 | * @{
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| 25 | */
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| 26 | |||
| 27 | 6ff06bbf | Thomas Schöpping | #ifndef AMIROOS_TIMER_H
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| 28 | #define AMIROOS_TIMER_H
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| 29 | e545e620 | Thomas Schöpping | |
| 30 | 3940ba8a | Thomas Schöpping | #include <amiroos.h> |
| 31 | |||
| 32 | f3ac1c96 | Thomas Schöpping | /******************************************************************************/
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| 33 | /* CONSTANTS */
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| 34 | /******************************************************************************/
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| 35 | e545e620 | Thomas Schöpping | |
| 36 | /**
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| 37 | * @brief Maximum timer interval that can be set in system ticks.
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| 38 | */
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| 39 | 0128be0f | Marc Rothmann | #define AOS_TIMER_MAX_INTERVAL_ST TIME_MAX_INTERVAL
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| 40 | e545e620 | Thomas Schöpping | |
| 41 | /**
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| 42 | * @brief Maximum timer interval that can be set in seconds.
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| 43 | */
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| 44 | 1e5f7648 | Thomas Schöpping | #define AOS_TIMER_MAX_INTERVAL_S (chTimeI2S(AOS_TIMER_MAX_INTERVAL_ST) - 1) |
| 45 | e545e620 | Thomas Schöpping | |
| 46 | /**
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| 47 | * @brief Maximum timer interval that can be set in milliseconds.
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| 48 | */
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| 49 | 1e5f7648 | Thomas Schöpping | #define AOS_TIMER_MAX_INTERVAL_MS (chTimeI2MS(AOS_TIMER_MAX_INTERVAL_ST) - 1) |
| 50 | e545e620 | Thomas Schöpping | |
| 51 | /**
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| 52 | * @brief Maximum timer interval that can be set in microseconds.
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| 53 | */
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| 54 | 1e5f7648 | Thomas Schöpping | #define AOS_TIMER_MAX_INTERVAL_US (chTimeI2US(AOS_TIMER_MAX_INTERVAL_ST) - 1) |
| 55 | e545e620 | Thomas Schöpping | |
| 56 | f3ac1c96 | Thomas Schöpping | /******************************************************************************/
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| 57 | /* SETTINGS */
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| 58 | /******************************************************************************/
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| 59 | |||
| 60 | /******************************************************************************/
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| 61 | /* CHECKS */
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| 62 | /******************************************************************************/
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| 63 | |||
| 64 | /******************************************************************************/
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| 65 | /* DATA STRUCTURES AND TYPES */
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| 66 | /******************************************************************************/
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| 67 | |||
| 68 | e545e620 | Thomas Schöpping | /**
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| 69 | * @brief Timer stucture.
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| 70 | */
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| 71 | typedef struct aos_timer { |
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| 72 | /**
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| 73 | * @brief ChibiOS virtual timer.
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| 74 | */
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| 75 | virtual_timer_t vt; |
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| 76 | |||
| 77 | /**
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| 78 | * @brief Time to wake up.
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| 79 | */
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| 80 | aos_timestamp_t wkuptime; |
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| 81 | |||
| 82 | /**
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| 83 | * @brief Pointer to a callback function.
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| 84 | */
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| 85 | vtfunc_t callback; |
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| 86 | |||
| 87 | /**
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| 88 | * @brief Pointer to a parameter for the callback function.
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| 89 | */
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| 90 | void* cbparam;
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| 91 | } aos_timer_t; |
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| 92 | |||
| 93 | /**
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| 94 | * @brief Periodic timer structure.
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| 95 | */
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| 96 | typedef struct aos_periodictimer { |
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| 97 | /**
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| 98 | * @brief AMiRo-OS timer.
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| 99 | */
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| 100 | aos_timer_t timer; |
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| 101 | |||
| 102 | /**
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| 103 | * @brief Period interval.
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| 104 | */
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| 105 | aos_longinterval_t interval; |
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| 106 | |||
| 107 | /**
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| 108 | * @brief Pointer to a callback function.
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| 109 | */
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| 110 | vtfunc_t callback; |
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| 111 | |||
| 112 | /**
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| 113 | * @brief Pointer to a parameter for the callback function.
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| 114 | */
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| 115 | void* cbparam;
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| 116 | } aos_periodictimer_t; |
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| 117 | |||
| 118 | f3ac1c96 | Thomas Schöpping | /******************************************************************************/
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| 119 | /* MACROS */
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| 120 | /******************************************************************************/
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| 121 | |||
| 122 | /******************************************************************************/
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| 123 | /* EXTERN DECLARATIONS */
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| 124 | /******************************************************************************/
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| 125 | |||
| 126 | 7de0cc90 | Thomas Schöpping | #if defined(__cplusplus)
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| 127 | e545e620 | Thomas Schöpping | extern "C" { |
| 128 | 7de0cc90 | Thomas Schöpping | #endif /* defined(__cplusplus) */ |
| 129 | e545e620 | Thomas Schöpping | void aosTimerInit(aos_timer_t* timer);
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| 130 | void aosTimerSetAbsoluteI(aos_timer_t* timer, aos_timestamp_t* uptime, vtfunc_t cb, void* par); |
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| 131 | void aosTimerSetIntervalI(aos_timer_t* timer, aos_interval_t offset, vtfunc_t cb, void* par); |
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| 132 | void aosTimerSetLongIntervalI(aos_timer_t* timer, aos_longinterval_t* offset, vtfunc_t cb, void* par); |
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| 133 | void aosPeriodicTimerInit(aos_periodictimer_t* ptimer);
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| 134 | void aosPeriodicTimerSetI(aos_periodictimer_t* ptimer, aos_interval_t interval, vtfunc_t cb, void* par); |
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| 135 | void aosPeriodicTimerSetLongI(aos_periodictimer_t* ptimer, aos_longinterval_t* interval, vtfunc_t cb, void* par); |
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| 136 | 7de0cc90 | Thomas Schöpping | #if defined(__cplusplus)
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| 137 | e545e620 | Thomas Schöpping | } |
| 138 | 7de0cc90 | Thomas Schöpping | #endif /* defined(__cplusplus) */ |
| 139 | e545e620 | Thomas Schöpping | |
| 140 | f3ac1c96 | Thomas Schöpping | /******************************************************************************/
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| 141 | /* INLINE FUNCTIONS */
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| 142 | /******************************************************************************/
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| 143 | |||
| 144 | e545e620 | Thomas Schöpping | /**
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| 145 | * @brief Set timer to fire at an absolute system time.
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| 146 | *
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| 147 | * @param[in] timer Pointer to the timer to set.
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| 148 | * @param[in] uptime Pointer to the absolute uptime for the timer to fire.
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| 149 | * @param[in] cb Pointer to a callback function to be called.
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| 150 | * @param[in] par Pointer to a parameter fpr the callback function (may be NULL).
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| 151 | */
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| 152 | static inline void aosTimerSetAbsolute(aos_timer_t* timer, aos_timestamp_t* uptime, vtfunc_t cb, void* par) |
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| 153 | {
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| 154 | chSysLock(); |
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| 155 | aosTimerSetAbsoluteI(timer, uptime, cb, par); |
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| 156 | chSysUnlock(); |
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| 157 | |||
| 158 | return;
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| 159 | } |
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| 160 | |||
| 161 | /**
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| 162 | * @brief Set timer to fire after a relative interval.
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| 163 | *
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| 164 | * @param[in] timer Pointer to the timer to set.
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| 165 | * @param[in] offset Relative interval to set for the timer to fire.
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| 166 | * @param[in] cb Pointer to a callback function to be called.
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| 167 | * @param[in] par Pointer to a parameter fpr the callback function (may be NULL).
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| 168 | */
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| 169 | static inline void aosTimerSetInterval(aos_timer_t* timer, aos_interval_t offset, vtfunc_t cb, void* par) |
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| 170 | {
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| 171 | chSysLock(); |
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| 172 | aosTimerSetIntervalI(timer, offset, cb, par); |
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| 173 | chSysUnlock(); |
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| 174 | } |
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| 175 | |||
| 176 | /**
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| 177 | * @brief Set timer to fire after a long relative interval.
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| 178 | *
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| 179 | * @param[in] timer Pointer to the timer to set.
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| 180 | * @param[in] offset Pointer to a long interval value to set for the timer to fire.
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| 181 | * @param[in] cb Pointer to a callback function to be called.
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| 182 | * @param[in] par Pointer to a parameter fpr the callback function (may be NULL).
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| 183 | */
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| 184 | static inline void aosTimerSetLongInterval(aos_timer_t* timer, aos_longinterval_t* offset, vtfunc_t cb, void* par) |
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| 185 | {
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| 186 | chSysLock(); |
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| 187 | aosTimerSetLongIntervalI(timer, offset, cb, par); |
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| 188 | chSysUnlock(); |
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| 189 | } |
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| 190 | |||
| 191 | /**
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| 192 | * @brief Reset a timer.
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| 193 | *
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| 194 | * @param[in] timer Pointer to the timer to reset.
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| 195 | */
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| 196 | static inline void aosTimerResetI(aos_timer_t* timer) |
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| 197 | {
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| 198 | chVTResetI(&(timer->vt)); |
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| 199 | |||
| 200 | return;
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| 201 | } |
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| 202 | |||
| 203 | /**
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| 204 | * @brief Reset a timer.
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| 205 | *
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| 206 | * @param[in] timer Pointer to the timer to reset.
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| 207 | */
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| 208 | static inline void aosTimerReset(aos_timer_t* timer) |
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| 209 | {
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| 210 | chSysLock(); |
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| 211 | aosTimerResetI(timer); |
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| 212 | chSysUnlock(); |
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| 213 | |||
| 214 | return;
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| 215 | } |
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| 216 | |||
| 217 | /**
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| 218 | * @brief Determine whether a timer is armed.
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| 219 | *
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| 220 | * @param[in] timer Pointer to the timer to check.
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| 221 | *
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| 222 | * @return true if the timer is armed, false otherwise.
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| 223 | */
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| 224 | static inline bool aosTimerIsArmedI(aos_timer_t* timer) |
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| 225 | {
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| 226 | return chVTIsArmedI(&(timer->vt));
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| 227 | } |
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| 228 | |||
| 229 | /**
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| 230 | * @brief Determine whether a timer is armed.
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| 231 | *
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| 232 | * @param[in] timer Pointer to the timer to check.
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| 233 | *
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| 234 | * @return true if the timer is armed, false otherwise.
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| 235 | */
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| 236 | static inline bool aosTimerIsArmed(aos_timer_t* timer) |
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| 237 | {
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| 238 | bool b;
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| 239 | |||
| 240 | chSysLock(); |
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| 241 | b = aosTimerIsArmedI(timer); |
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| 242 | chSysUnlock(); |
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| 243 | |||
| 244 | return b;
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| 245 | } |
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| 246 | |||
| 247 | /**
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| 248 | * @brief Set a periodic timer to fire in the specified interval.
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| 249 | *
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| 250 | * @param[in] ptimer Pointer to the periodic timer to set.
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| 251 | * @param[in] interval Interval for the periodic timer to fire,
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| 252 | * @param[in] cb Pointer to a callback function to be called.
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| 253 | * In contrast to other callback functions, this get called from an already ISR locked context.
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| 254 | * This it may not contain any chSysLockX() or chSysUnlockX() calls.
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| 255 | * @param[in] par Pointer to a parameter for the callback function (may be NULL).
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| 256 | */
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| 257 | static inline void aosPeriodicTimerSet(aos_periodictimer_t *ptimer, aos_interval_t interval, vtfunc_t cb, void *par) |
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| 258 | {
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| 259 | chSysLock(); |
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| 260 | aosPeriodicTimerSetI(ptimer, interval, cb, par); |
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| 261 | chSysUnlock(); |
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| 262 | |||
| 263 | return;
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| 264 | } |
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| 265 | |||
| 266 | /**
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| 267 | * @brief Set a periodic timer to fire in the specified interval.
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| 268 | *
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| 269 | * @param[in] ptimer Pointer to the periodic timer to set.
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| 270 | * @param[in] interval Pointer to a long interval value for the periodic timer to fire,
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| 271 | * @param[in] cb Pointer to a callback function to be called.
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| 272 | * In contrast to other callback functions, this get called from an already ISR locked context.
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| 273 | * This it may not contain any chSysLockX() or chSysUnlockX() calls.
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| 274 | * @param[in] par Pointer to a parameter for the callback function (may be NULL).
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| 275 | */
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| 276 | static inline void aosPeriodicTimerSetLong(aos_periodictimer_t* ptimer, aos_longinterval_t* interval, vtfunc_t cb, void* par) |
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| 277 | {
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| 278 | chSysLock(); |
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| 279 | aosPeriodicTimerSetLongI(ptimer, interval, cb, par); |
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| 280 | chSysUnlock(); |
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| 281 | |||
| 282 | return;
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| 283 | } |
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| 284 | |||
| 285 | 6ff06bbf | Thomas Schöpping | #endif /* AMIROOS_TIMER_H */ |
| 286 | 53710ca3 | Marc Rothmann | |
| 287 | /** @} */ |