116 lines
1.8 KiB
C
116 lines
1.8 KiB
C
/*
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* Copyright (c) 2019 Manivannan Sadhasivam
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr.h>
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#include <timer.h>
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static void timer_work_handler(struct k_work *work);
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K_WORK_DEFINE(timer_work, timer_work_handler);
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static uint32_t saved_time;
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/* TODO: Use Non-volatile memory for backup */
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static volatile uint32_t backup_reg[2];
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static void timer_work_handler(struct k_work *work)
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{
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TimerIrqHandler();
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}
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static void timer_callback(struct k_timer *_timer)
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{
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ARG_UNUSED(_timer);
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k_work_submit(&timer_work);
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}
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K_TIMER_DEFINE(lora_timer, timer_callback, NULL);
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void RtcBkupWrite(uint32_t data0, uint32_t data1)
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{
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backup_reg[0] = data0;
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backup_reg[1] = data1;
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}
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void RtcBkupRead(uint32_t *data0, uint32_t *data1)
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{
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*data0 = backup_reg[0];
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*data1 = backup_reg[1];
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}
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uint32_t RtcGetCalendarTime(uint16_t *milliseconds)
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{
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int64_t now = k_uptime_get();
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*milliseconds = now % MSEC_PER_SEC;
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/* Return in seconds */
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return now / MSEC_PER_SEC;
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}
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uint32_t RtcGetTimerValue(void)
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{
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return k_uptime_get_32();
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}
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uint32_t RtcGetTimerElapsedTime(void)
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{
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return (k_uptime_get_32() - saved_time);
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}
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uint32_t RtcGetMinimumTimeout(void)
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{
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return 1;
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}
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void RtcStopAlarm(void)
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{
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k_timer_stop(&lora_timer);
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}
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void RtcSetAlarm(uint32_t timeout)
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{
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k_timer_start(&lora_timer, K_MSEC(timeout), K_NO_WAIT);
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}
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uint32_t RtcSetTimerContext(void)
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{
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saved_time = k_uptime_get_32();
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return saved_time;
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}
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/* For us, 1 tick = 1 milli second. So no need to do any conversion here */
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uint32_t RtcGetTimerContext(void)
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{
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return saved_time;
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}
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void DelayMsMcu(uint32_t ms)
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{
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k_sleep(K_MSEC(ms));
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}
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uint32_t RtcMs2Tick(uint32_t milliseconds)
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{
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return milliseconds;
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}
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uint32_t RtcTick2Ms(uint32_t tick)
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{
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return tick;
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}
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void BoardCriticalSectionBegin(uint32_t *mask)
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{
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*mask = irq_lock();
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}
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void BoardCriticalSectionEnd(uint32_t *mask)
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{
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irq_unlock(*mask);
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}
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