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