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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 | /* * Copyright (c) 2015 Intel Corporation. * * SPDX-License-Identifier: Apache-2.0 */ #ifndef ZEPHYR_INCLUDE_RTC_H_ #define ZEPHYR_INCLUDE_RTC_H_ #include <zephyr/types.h> #include <device.h> #include <misc/util.h> #include <counter.h> #ifdef __cplusplus extern "C" { #endif /** Number of RTC ticks in a second */ #define RTC_ALARM_SECOND (32768 / CONFIG_RTC_PRESCALER) /** Number of RTC ticks in a minute */ #define RTC_ALARM_MINUTE (RTC_ALARM_SECOND * 60) /** Number of RTC ticks in an hour */ #define RTC_ALARM_HOUR (RTC_ALARM_MINUTE * 60) /** Number of RTC ticks in a day */ #define RTC_ALARM_DAY (RTC_ALARM_HOUR * 24) typedef void (*rtc_callback_t)(struct device *dev); struct rtc_config { u32_t init_val; /*!< enable/disable alarm */ u8_t alarm_enable; /*!< initial configuration value for the 32bit RTC alarm value */ u32_t alarm_val; /*!< Pointer to function to call when alarm value * matches current RTC value */ rtc_callback_t cb_fn; }; typedef void (*rtc_api_enable)(struct device *dev); typedef void (*rtc_api_disable)(struct device *dev); typedef int (*rtc_api_set_config)(struct device *dev, struct rtc_config *config); typedef int (*rtc_api_set_alarm)(struct device *dev, const u32_t alarm_val); typedef u32_t (*rtc_api_read)(struct device *dev); typedef u32_t (*rtc_api_get_pending_int)(struct device *dev); struct rtc_driver_api { rtc_api_enable enable; rtc_api_disable disable; rtc_api_read read; rtc_api_set_config set_config; rtc_api_set_alarm set_alarm; rtc_api_get_pending_int get_pending_int; }; __deprecated __syscall u32_t rtc_read(struct device *dev); static inline u32_t z_impl_rtc_read(struct device *dev) { return counter_read(dev); } __deprecated __syscall void rtc_enable(struct device *dev); static inline void z_impl_rtc_enable(struct device *dev) { counter_start(dev); } __deprecated __syscall void rtc_disable(struct device *dev); static inline void z_impl_rtc_disable(struct device *dev) { counter_stop(dev); } static inline void rtc_counter_top_callback(struct device *dev, void *user_data) { rtc_callback_t cb_fn = (rtc_callback_t)user_data; if (cb_fn) { cb_fn(dev); } } __deprecated static inline int rtc_set_config(struct device *dev, struct rtc_config *cfg) { int err; if (cfg->init_val) { return -ENOTSUP; } err = counter_set_top_value(dev, cfg->alarm_val, rtc_counter_top_callback, cfg->cb_fn); if (err == 0 && cfg->alarm_enable != 0U) { err = counter_start(dev); } return err; } __deprecated __syscall int rtc_set_alarm(struct device *dev, const u32_t alarm_val); static inline int z_impl_rtc_set_alarm(struct device *dev, const u32_t alarm_val) { return counter_set_top_value(dev, alarm_val, rtc_counter_top_callback, counter_get_user_data(dev)); } /** * @brief Function to get pending interrupts * * The purpose of this function is to return the interrupt * status register for the device. * This is especially useful when waking up from * low power states to check the wake up source. * * @param dev Pointer to the device structure for the driver instance. * * @retval 1 if the rtc interrupt is pending. * @retval 0 if no rtc interrupt is pending. */ __deprecated __syscall int rtc_get_pending_int(struct device *dev); static inline int z_impl_rtc_get_pending_int(struct device *dev) { return counter_get_pending_int(dev); } #ifdef __cplusplus } #endif #include <syscalls/rtc.h> #endif |