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TARGET_DELTA_DFBM_NQ620/TARGET_NORDIC/TARGET_NRF5/common_rtc.h@163:e59c8e839560, 2018-03-20 (annotated)

Committer:
AnnaBridge
Date:
Tue Mar 20 13:30:58 2018 +0000
Revision:
163:e59c8e839560
Parent:
126:abea610beb85 
mbed library. Release version 160

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 126:abea610beb85 1 /* mbed Microcontroller Library
AnnaBridge 126:abea610beb85 2 * Copyright (c) 2015 ARM Limited
AnnaBridge 126:abea610beb85 3 *
AnnaBridge 126:abea610beb85 4 * Licensed under the Apache License, Version 2.0 (the "License");
AnnaBridge 126:abea610beb85 5 * you may not use this file except in compliance with the License.
AnnaBridge 126:abea610beb85 6 * You may obtain a copy of the License at
AnnaBridge 126:abea610beb85 7 *
AnnaBridge 126:abea610beb85 8 * http://www.apache.org/licenses/LICENSE-2.0
AnnaBridge 126:abea610beb85 9 *
AnnaBridge 126:abea610beb85 10 * Unless required by applicable law or agreed to in writing, software
AnnaBridge 126:abea610beb85 11 * distributed under the License is distributed on an "AS IS" BASIS,
AnnaBridge 126:abea610beb85 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
AnnaBridge 126:abea610beb85 13 * See the License for the specific language governing permissions and
AnnaBridge 126:abea610beb85 14 * limitations under the License.
AnnaBridge 126:abea610beb85 15 */
AnnaBridge 126:abea610beb85 16
AnnaBridge 126:abea610beb85 17 #ifndef COMMON_RTC_H
AnnaBridge 126:abea610beb85 18 #define COMMON_RTC_H
AnnaBridge 126:abea610beb85 19
AnnaBridge 126:abea610beb85 20 #include "nrf_rtc.h"
AnnaBridge 126:abea610beb85 21
AnnaBridge 126:abea610beb85 22 #define RTC_COUNTER_BITS 24u
AnnaBridge 126:abea610beb85 23
AnnaBridge 126:abea610beb85 24 // Instance 0 is reserved for SoftDevice.
AnnaBridge 126:abea610beb85 25 // Instance 1 is used as a common one for us_ticker, lp_ticker and (in case
AnnaBridge 126:abea610beb85 26 // of NRF51) as an alternative tick source for RTOS.
AnnaBridge 126:abea610beb85 27 // ["us_ticker.c" uses hard coded addresses of the 'NRF_RTC1->EVENT_COMPARE[1]'
AnnaBridge 126:abea610beb85 28 // register in inline assembly implementations of COMMON_RTC_IRQ_HANDLER,
AnnaBridge 126:abea610beb85 29 // please remember to update those in case of doing changes here]
AnnaBridge 126:abea610beb85 30 #define COMMON_RTC_INSTANCE NRF_RTC1
AnnaBridge 126:abea610beb85 31 #define COMMON_RTC_IRQ_HANDLER RTC1_IRQHandler
AnnaBridge 126:abea610beb85 32 #define US_TICKER_CC_CHANNEL 0
AnnaBridge 126:abea610beb85 33 #define OS_TICK_CC_CHANNEL 1
AnnaBridge 126:abea610beb85 34 #define LP_TICKER_CC_CHANNEL 2
AnnaBridge 126:abea610beb85 35
AnnaBridge 163:e59c8e839560 36 #define US_TICKER_SW_IRQ_MASK 0x1
AnnaBridge 163:e59c8e839560 37 #define LP_TICKER_SW_IRQ_MASK 0x2
AnnaBridge 163:e59c8e839560 38
AnnaBridge 126:abea610beb85 39 #define COMMON_RTC_EVENT_COMPARE(channel) \
AnnaBridge 126:abea610beb85 40 CONCAT_2(NRF_RTC_EVENT_COMPARE_, channel)
AnnaBridge 126:abea610beb85 41 #define COMMON_RTC_INT_COMPARE_MASK(channel) \
AnnaBridge 126:abea610beb85 42 CONCAT_3(NRF_RTC_INT_COMPARE, channel, _MASK)
AnnaBridge 126:abea610beb85 43
AnnaBridge 126:abea610beb85 44 #define US_TICKER_EVENT COMMON_RTC_EVENT_COMPARE(US_TICKER_CC_CHANNEL)
AnnaBridge 126:abea610beb85 45 #define US_TICKER_INT_MASK COMMON_RTC_INT_COMPARE_MASK(US_TICKER_CC_CHANNEL)
AnnaBridge 126:abea610beb85 46 #define OS_TICK_EVENT COMMON_RTC_EVENT_COMPARE(OS_TICK_CC_CHANNEL)
AnnaBridge 126:abea610beb85 47 #define OS_TICK_INT_MASK COMMON_RTC_INT_COMPARE_MASK(OS_TICK_CC_CHANNEL)
AnnaBridge 126:abea610beb85 48 #define LP_TICKER_EVENT COMMON_RTC_EVENT_COMPARE(LP_TICKER_CC_CHANNEL)
AnnaBridge 126:abea610beb85 49 #define LP_TICKER_INT_MASK COMMON_RTC_INT_COMPARE_MASK(LP_TICKER_CC_CHANNEL)
AnnaBridge 126:abea610beb85 50
AnnaBridge 126:abea610beb85 51 extern bool m_common_rtc_enabled;
AnnaBridge 126:abea610beb85 52 extern uint32_t volatile m_common_rtc_overflows;
AnnaBridge 163:e59c8e839560 53 extern uint8_t volatile m_common_sw_irq_flag;
AnnaBridge 126:abea610beb85 54
AnnaBridge 126:abea610beb85 55 void common_rtc_init(void);
AnnaBridge 126:abea610beb85 56 uint32_t common_rtc_32bit_ticks_get(void);
AnnaBridge 126:abea610beb85 57 uint64_t common_rtc_64bit_us_get(void);
AnnaBridge 126:abea610beb85 58 void common_rtc_set_interrupt(uint32_t us_timestamp, uint32_t cc_channel,
AnnaBridge 126:abea610beb85 59 uint32_t int_mask);
AnnaBridge 126:abea610beb85 60
AnnaBridge 126:abea610beb85 61 #endif // COMMON_RTC_H