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mbed 2

This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.

TARGET_TY51822R3/TARGET_NORDIC/TARGET_NRF5/common_rtc.h@147:a97add6d7e64, 2017-07-19 (annotated)

Committer:
Kojto
Date:
Wed Jul 19 16:46:19 2017 +0100
Revision:
147:a97add6d7e64
Parent:
124:2241e3a39974
Child:
163:e59c8e839560
Release 147 of the mbed library.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Kojto 124:2241e3a39974 1 /* mbed Microcontroller Library
Kojto 124:2241e3a39974 2 * Copyright (c) 2015 ARM Limited
Kojto 124:2241e3a39974 3 *
Kojto 124:2241e3a39974 4 * Licensed under the Apache License, Version 2.0 (the "License");
Kojto 124:2241e3a39974 5 * you may not use this file except in compliance with the License.
Kojto 124:2241e3a39974 6 * You may obtain a copy of the License at
Kojto 124:2241e3a39974 7 *
Kojto 124:2241e3a39974 8 * http://www.apache.org/licenses/LICENSE-2.0
Kojto 124:2241e3a39974 9 *
Kojto 124:2241e3a39974 10 * Unless required by applicable law or agreed to in writing, software
Kojto 124:2241e3a39974 11 * distributed under the License is distributed on an "AS IS" BASIS,
Kojto 124:2241e3a39974 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Kojto 124:2241e3a39974 13 * See the License for the specific language governing permissions and
Kojto 124:2241e3a39974 14 * limitations under the License.
Kojto 124:2241e3a39974 15 */
Kojto 124:2241e3a39974 16
Kojto 124:2241e3a39974 17 #ifndef COMMON_RTC_H
Kojto 124:2241e3a39974 18 #define COMMON_RTC_H
Kojto 124:2241e3a39974 19
Kojto 124:2241e3a39974 20 #include "nrf_rtc.h"
Kojto 124:2241e3a39974 21
Kojto 124:2241e3a39974 22 #define RTC_COUNTER_BITS 24u
Kojto 124:2241e3a39974 23
Kojto 124:2241e3a39974 24 // Instance 0 is reserved for SoftDevice.
Kojto 124:2241e3a39974 25 // Instance 1 is used as a common one for us_ticker, lp_ticker and (in case
Kojto 124:2241e3a39974 26 // of NRF51) as an alternative tick source for RTOS.
Kojto 124:2241e3a39974 27 // ["us_ticker.c" uses hard coded addresses of the 'NRF_RTC1->EVENT_COMPARE[1]'
Kojto 124:2241e3a39974 28 // register in inline assembly implementations of COMMON_RTC_IRQ_HANDLER,
Kojto 124:2241e3a39974 29 // please remember to update those in case of doing changes here]
Kojto 124:2241e3a39974 30 #define COMMON_RTC_INSTANCE NRF_RTC1
Kojto 124:2241e3a39974 31 #define COMMON_RTC_IRQ_HANDLER RTC1_IRQHandler
Kojto 124:2241e3a39974 32 #define US_TICKER_CC_CHANNEL 0
Kojto 124:2241e3a39974 33 #define OS_TICK_CC_CHANNEL 1
Kojto 124:2241e3a39974 34 #define LP_TICKER_CC_CHANNEL 2
Kojto 124:2241e3a39974 35
Kojto 124:2241e3a39974 36 #define COMMON_RTC_EVENT_COMPARE(channel) \
Kojto 124:2241e3a39974 37 CONCAT_2(NRF_RTC_EVENT_COMPARE_, channel)
Kojto 124:2241e3a39974 38 #define COMMON_RTC_INT_COMPARE_MASK(channel) \
Kojto 124:2241e3a39974 39 CONCAT_3(NRF_RTC_INT_COMPARE, channel, _MASK)
Kojto 124:2241e3a39974 40
Kojto 124:2241e3a39974 41 #define US_TICKER_EVENT COMMON_RTC_EVENT_COMPARE(US_TICKER_CC_CHANNEL)
Kojto 124:2241e3a39974 42 #define US_TICKER_INT_MASK COMMON_RTC_INT_COMPARE_MASK(US_TICKER_CC_CHANNEL)
Kojto 124:2241e3a39974 43 #define OS_TICK_EVENT COMMON_RTC_EVENT_COMPARE(OS_TICK_CC_CHANNEL)
Kojto 124:2241e3a39974 44 #define OS_TICK_INT_MASK COMMON_RTC_INT_COMPARE_MASK(OS_TICK_CC_CHANNEL)
Kojto 124:2241e3a39974 45 #define LP_TICKER_EVENT COMMON_RTC_EVENT_COMPARE(LP_TICKER_CC_CHANNEL)
Kojto 124:2241e3a39974 46 #define LP_TICKER_INT_MASK COMMON_RTC_INT_COMPARE_MASK(LP_TICKER_CC_CHANNEL)
Kojto 124:2241e3a39974 47
Kojto 124:2241e3a39974 48 extern bool m_common_rtc_enabled;
Kojto 124:2241e3a39974 49 extern uint32_t volatile m_common_rtc_overflows;
Kojto 124:2241e3a39974 50
Kojto 124:2241e3a39974 51 void common_rtc_init(void);
Kojto 124:2241e3a39974 52 uint32_t common_rtc_32bit_ticks_get(void);
Kojto 124:2241e3a39974 53 uint64_t common_rtc_64bit_us_get(void);
Kojto 124:2241e3a39974 54 void common_rtc_set_interrupt(uint32_t us_timestamp, uint32_t cc_channel,
Kojto 124:2241e3a39974 55 uint32_t int_mask);
Kojto 124:2241e3a39974 56
Kojto 124:2241e3a39974 57 #endif // COMMON_RTC_H