amiro-os / core / inc / aos_timer.h @ b309b751
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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 | Copyright (C) 2016..2018 Thomas Schöpping et al.
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| 4 | |||
| 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 | e545e620 | Thomas Schöpping | #ifndef _AMIROOS_TIMER_H_
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| 28 | #define _AMIROOS_TIMER_H_
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| 29 | |||
| 30 | #include <ch.h> |
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| 31 | #include <aos_time.h> |
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| 32 | |||
| 33 | /**
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| 34 | * @brief Maximum timer interval that can be set in system ticks.
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| 35 | */
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| 36 | 0128be0f | Marc Rothmann | #define AOS_TIMER_MAX_INTERVAL_ST TIME_MAX_INTERVAL
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| 37 | e545e620 | Thomas Schöpping | |
| 38 | /**
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| 39 | * @brief Maximum timer interval that can be set in seconds.
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| 40 | */
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| 41 | 1e5f7648 | Thomas Schöpping | #define AOS_TIMER_MAX_INTERVAL_S (chTimeI2S(AOS_TIMER_MAX_INTERVAL_ST) - 1) |
| 42 | e545e620 | Thomas Schöpping | |
| 43 | /**
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| 44 | * @brief Maximum timer interval that can be set in milliseconds.
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| 45 | */
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| 46 | 1e5f7648 | Thomas Schöpping | #define AOS_TIMER_MAX_INTERVAL_MS (chTimeI2MS(AOS_TIMER_MAX_INTERVAL_ST) - 1) |
| 47 | e545e620 | Thomas Schöpping | |
| 48 | /**
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| 49 | * @brief Maximum timer interval that can be set in microseconds.
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| 50 | */
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| 51 | 1e5f7648 | Thomas Schöpping | #define AOS_TIMER_MAX_INTERVAL_US (chTimeI2US(AOS_TIMER_MAX_INTERVAL_ST) - 1) |
| 52 | e545e620 | Thomas Schöpping | |
| 53 | /**
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| 54 | * @brief Timer stucture.
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| 55 | */
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| 56 | typedef struct aos_timer { |
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| 57 | /**
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| 58 | * @brief ChibiOS virtual timer.
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| 59 | */
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| 60 | virtual_timer_t vt; |
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| 61 | |||
| 62 | /**
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| 63 | * @brief Time to wake up.
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| 64 | */
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| 65 | aos_timestamp_t wkuptime; |
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| 66 | |||
| 67 | /**
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| 68 | * @brief Pointer to a callback function.
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| 69 | */
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| 70 | vtfunc_t callback; |
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| 71 | |||
| 72 | /**
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| 73 | * @brief Pointer to a parameter for the callback function.
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| 74 | */
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| 75 | void* cbparam;
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| 76 | } aos_timer_t; |
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| 77 | |||
| 78 | /**
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| 79 | * @brief Periodic timer structure.
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| 80 | */
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| 81 | typedef struct aos_periodictimer { |
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| 82 | /**
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| 83 | * @brief AMiRo-OS timer.
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| 84 | */
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| 85 | aos_timer_t timer; |
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| 86 | |||
| 87 | /**
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| 88 | * @brief Period interval.
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| 89 | */
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| 90 | aos_longinterval_t interval; |
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| 91 | |||
| 92 | /**
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| 93 | * @brief Pointer to a callback function.
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| 94 | */
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| 95 | vtfunc_t callback; |
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| 96 | |||
| 97 | /**
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| 98 | * @brief Pointer to a parameter for the callback function.
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| 99 | */
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| 100 | void* cbparam;
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| 101 | } aos_periodictimer_t; |
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| 102 | |||
| 103 | #ifdef __cplusplus
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| 104 | extern "C" { |
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| 105 | #endif
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| 106 | void aosTimerInit(aos_timer_t* timer);
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| 107 | void aosTimerSetAbsoluteI(aos_timer_t* timer, aos_timestamp_t* uptime, vtfunc_t cb, void* par); |
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| 108 | void aosTimerSetIntervalI(aos_timer_t* timer, aos_interval_t offset, vtfunc_t cb, void* par); |
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| 109 | void aosTimerSetLongIntervalI(aos_timer_t* timer, aos_longinterval_t* offset, vtfunc_t cb, void* par); |
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| 110 | void aosPeriodicTimerInit(aos_periodictimer_t* ptimer);
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| 111 | void aosPeriodicTimerSetI(aos_periodictimer_t* ptimer, aos_interval_t interval, vtfunc_t cb, void* par); |
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| 112 | void aosPeriodicTimerSetLongI(aos_periodictimer_t* ptimer, aos_longinterval_t* interval, vtfunc_t cb, void* par); |
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| 113 | #ifdef __cplusplus
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| 114 | } |
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| 115 | #endif
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| 116 | |||
| 117 | /**
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| 118 | * @brief Set timer to fire at an absolute system time.
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| 119 | *
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| 120 | * @param[in] timer Pointer to the timer to set.
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| 121 | * @param[in] uptime Pointer to the absolute uptime for the timer to fire.
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| 122 | * @param[in] cb Pointer to a callback function to be called.
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| 123 | * @param[in] par Pointer to a parameter fpr the callback function (may be NULL).
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| 124 | */
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| 125 | static inline void aosTimerSetAbsolute(aos_timer_t* timer, aos_timestamp_t* uptime, vtfunc_t cb, void* par) |
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| 126 | {
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| 127 | chSysLock(); |
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| 128 | aosTimerSetAbsoluteI(timer, uptime, cb, par); |
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| 129 | chSysUnlock(); |
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| 130 | |||
| 131 | return;
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| 132 | } |
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| 133 | |||
| 134 | /**
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| 135 | * @brief Set timer to fire after a relative interval.
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| 136 | *
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| 137 | * @param[in] timer Pointer to the timer to set.
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| 138 | * @param[in] offset Relative interval to set for the timer to fire.
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| 139 | * @param[in] cb Pointer to a callback function to be called.
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| 140 | * @param[in] par Pointer to a parameter fpr the callback function (may be NULL).
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| 141 | */
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| 142 | static inline void aosTimerSetInterval(aos_timer_t* timer, aos_interval_t offset, vtfunc_t cb, void* par) |
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| 143 | {
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| 144 | chSysLock(); |
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| 145 | aosTimerSetIntervalI(timer, offset, cb, par); |
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| 146 | chSysUnlock(); |
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| 147 | } |
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| 148 | |||
| 149 | /**
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| 150 | * @brief Set timer to fire after a long relative interval.
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| 151 | *
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| 152 | * @param[in] timer Pointer to the timer to set.
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| 153 | * @param[in] offset Pointer to a long interval value to set for the timer to fire.
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| 154 | * @param[in] cb Pointer to a callback function to be called.
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| 155 | * @param[in] par Pointer to a parameter fpr the callback function (may be NULL).
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| 156 | */
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| 157 | static inline void aosTimerSetLongInterval(aos_timer_t* timer, aos_longinterval_t* offset, vtfunc_t cb, void* par) |
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| 158 | {
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| 159 | chSysLock(); |
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| 160 | aosTimerSetLongIntervalI(timer, offset, cb, par); |
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| 161 | chSysUnlock(); |
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| 162 | } |
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| 163 | |||
| 164 | /**
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| 165 | * @brief Reset a timer.
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| 166 | *
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| 167 | * @param[in] timer Pointer to the timer to reset.
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| 168 | */
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| 169 | static inline void aosTimerResetI(aos_timer_t* timer) |
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| 170 | {
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| 171 | chVTResetI(&(timer->vt)); |
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| 172 | |||
| 173 | return;
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| 174 | } |
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| 175 | |||
| 176 | /**
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| 177 | * @brief Reset a timer.
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| 178 | *
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| 179 | * @param[in] timer Pointer to the timer to reset.
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| 180 | */
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| 181 | static inline void aosTimerReset(aos_timer_t* timer) |
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| 182 | {
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| 183 | chSysLock(); |
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| 184 | aosTimerResetI(timer); |
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| 185 | chSysUnlock(); |
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| 186 | |||
| 187 | return;
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| 188 | } |
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| 189 | |||
| 190 | /**
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| 191 | * @brief Determine whether a timer is armed.
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| 192 | *
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| 193 | * @param[in] timer Pointer to the timer to check.
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| 194 | *
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| 195 | * @return true if the timer is armed, false otherwise.
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| 196 | */
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| 197 | static inline bool aosTimerIsArmedI(aos_timer_t* timer) |
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| 198 | {
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| 199 | return chVTIsArmedI(&(timer->vt));
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| 200 | } |
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| 201 | |||
| 202 | /**
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| 203 | * @brief Determine whether a timer is armed.
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| 204 | *
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| 205 | * @param[in] timer Pointer to the timer to check.
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| 206 | *
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| 207 | * @return true if the timer is armed, false otherwise.
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| 208 | */
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| 209 | static inline bool aosTimerIsArmed(aos_timer_t* timer) |
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| 210 | {
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| 211 | bool b;
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| 212 | |||
| 213 | chSysLock(); |
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| 214 | b = aosTimerIsArmedI(timer); |
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| 215 | chSysUnlock(); |
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| 216 | |||
| 217 | return b;
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| 218 | } |
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| 219 | |||
| 220 | /**
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| 221 | * @brief Set a periodic timer to fire in the specified interval.
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| 222 | *
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| 223 | * @param[in] ptimer Pointer to the periodic timer to set.
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| 224 | * @param[in] interval Interval for the periodic timer to fire,
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| 225 | * @param[in] cb Pointer to a callback function to be called.
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| 226 | * In contrast to other callback functions, this get called from an already ISR locked context.
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| 227 | * This it may not contain any chSysLockX() or chSysUnlockX() calls.
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| 228 | * @param[in] par Pointer to a parameter for the callback function (may be NULL).
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| 229 | */
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| 230 | static inline void aosPeriodicTimerSet(aos_periodictimer_t *ptimer, aos_interval_t interval, vtfunc_t cb, void *par) |
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| 231 | {
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| 232 | chSysLock(); |
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| 233 | aosPeriodicTimerSetI(ptimer, interval, cb, par); |
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| 234 | chSysUnlock(); |
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| 235 | |||
| 236 | return;
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| 237 | } |
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| 238 | |||
| 239 | /**
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| 240 | * @brief Set a periodic timer to fire in the specified interval.
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| 241 | *
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| 242 | * @param[in] ptimer Pointer to the periodic timer to set.
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| 243 | * @param[in] interval Pointer to a long interval value for the periodic timer to fire,
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| 244 | * @param[in] cb Pointer to a callback function to be called.
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| 245 | * In contrast to other callback functions, this get called from an already ISR locked context.
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| 246 | * This it may not contain any chSysLockX() or chSysUnlockX() calls.
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| 247 | * @param[in] par Pointer to a parameter for the callback function (may be NULL).
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| 248 | */
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| 249 | static inline void aosPeriodicTimerSetLong(aos_periodictimer_t* ptimer, aos_longinterval_t* interval, vtfunc_t cb, void* par) |
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| 250 | {
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| 251 | chSysLock(); |
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| 252 | aosPeriodicTimerSetLongI(ptimer, interval, cb, par); |
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| 253 | chSysUnlock(); |
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| 254 | |||
| 255 | return;
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| 256 | } |
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| 257 | |||
| 258 | #endif /* _AMIROOS_TIMER_H_ */ |
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| 259 | 53710ca3 | Marc Rothmann | |
| 260 | /** @} */ |