mbed official / mbed-dev

mbed library sources. Supersedes mbed-src.

Dependents:   Nucleo_Hello_Encoder BLE_iBeaconScan AM1805_DEMO DISCO-F429ZI_ExportTemplate1 ... more

targets/TARGET_NORDIC/TARGET_NRF5x/common_rtc.h@189:f392fc9709a3, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 22:31:08 2019 +0000
Revision:
189:f392fc9709a3
Parent:
187:0387e8f68319 
mbed library release version 165

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Anna Bridge 186:707f6e361f3e 1 /* mbed Microcontroller Library
Anna Bridge 186:707f6e361f3e 2 * Copyright (c) 2015 ARM Limited
Anna Bridge 186:707f6e361f3e 3 *
Anna Bridge 186:707f6e361f3e 4 * Licensed under the Apache License, Version 2.0 (the "License");
Anna Bridge 186:707f6e361f3e 5 * you may not use this file except in compliance with the License.
Anna Bridge 186:707f6e361f3e 6 * You may obtain a copy of the License at
Anna Bridge 186:707f6e361f3e 7 *
Anna Bridge 186:707f6e361f3e 8 * http://www.apache.org/licenses/LICENSE-2.0
Anna Bridge 186:707f6e361f3e 9 *
Anna Bridge 186:707f6e361f3e 10 * Unless required by applicable law or agreed to in writing, software
Anna Bridge 186:707f6e361f3e 11 * distributed under the License is distributed on an "AS IS" BASIS,
Anna Bridge 186:707f6e361f3e 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Anna Bridge 186:707f6e361f3e 13 * See the License for the specific language governing permissions and
Anna Bridge 186:707f6e361f3e 14 * limitations under the License.
Anna Bridge 186:707f6e361f3e 15 */
Anna Bridge 186:707f6e361f3e 16
Anna Bridge 186:707f6e361f3e 17 #ifndef COMMON_RTC_H
Anna Bridge 186:707f6e361f3e 18 #define COMMON_RTC_H
Anna Bridge 186:707f6e361f3e 19
Anna Bridge 186:707f6e361f3e 20 #include "nrf_rtc.h"
Anna Bridge 186:707f6e361f3e 21
Anna Bridge 186:707f6e361f3e 22 #define RTC_COUNTER_BITS 24u
Anna Bridge 186:707f6e361f3e 23 #define RTC_FREQ 32768u
Anna Bridge 186:707f6e361f3e 24
Anna Bridge 186:707f6e361f3e 25 // Instance 0 is reserved for SoftDevice.
Anna Bridge 186:707f6e361f3e 26 // Instance 1 is used as a common one for lp_ticker and (in case
Anna Bridge 186:707f6e361f3e 27 // of NRF51) as an alternative tick source for RTOS.
Anna Bridge 186:707f6e361f3e 28 #define COMMON_RTC_INSTANCE NRF_RTC1
Anna Bridge 186:707f6e361f3e 29 #define COMMON_RTC_IRQ_HANDLER RTC1_IRQHandler
Anna Bridge 186:707f6e361f3e 30 #define OS_TICK_CC_CHANNEL 0
Anna Bridge 186:707f6e361f3e 31 #define LP_TICKER_CC_CHANNEL 1
Anna Bridge 186:707f6e361f3e 32
Anna Bridge 186:707f6e361f3e 33 #define COMMON_RTC_EVENT_COMPARE(channel) \
Anna Bridge 186:707f6e361f3e 34 CONCAT_2(NRF_RTC_EVENT_COMPARE_, channel)
Anna Bridge 186:707f6e361f3e 35 #define COMMON_RTC_INT_COMPARE_MASK(channel) \
Anna Bridge 186:707f6e361f3e 36 CONCAT_3(NRF_RTC_INT_COMPARE, channel, _MASK)
Anna Bridge 186:707f6e361f3e 37
Anna Bridge 186:707f6e361f3e 38 #define OS_TICK_EVENT COMMON_RTC_EVENT_COMPARE(OS_TICK_CC_CHANNEL)
Anna Bridge 186:707f6e361f3e 39 #define OS_TICK_INT_MASK COMMON_RTC_INT_COMPARE_MASK(OS_TICK_CC_CHANNEL)
Anna Bridge 186:707f6e361f3e 40 #define LP_TICKER_EVENT COMMON_RTC_EVENT_COMPARE(LP_TICKER_CC_CHANNEL)
Anna Bridge 186:707f6e361f3e 41 #define LP_TICKER_INT_MASK COMMON_RTC_INT_COMPARE_MASK(LP_TICKER_CC_CHANNEL)
Anna Bridge 186:707f6e361f3e 42
Anna Bridge 186:707f6e361f3e 43 extern bool m_common_rtc_enabled;
Anna Bridge 186:707f6e361f3e 44 extern uint32_t volatile m_common_rtc_overflows;
Anna Bridge 186:707f6e361f3e 45 extern bool volatile lp_ticker_interrupt_fire;
Anna Bridge 186:707f6e361f3e 46
Anna Bridge 186:707f6e361f3e 47 void common_rtc_init(void);
Anna Bridge 186:707f6e361f3e 48 uint32_t common_rtc_32bit_ticks_get(void);
Anna Bridge 186:707f6e361f3e 49 uint64_t common_rtc_64bit_us_get(void);
Anna Bridge 186:707f6e361f3e 50 void common_rtc_set_interrupt(uint32_t us_timestamp, uint32_t cc_channel,
Anna Bridge 186:707f6e361f3e 51 uint32_t int_mask);
Anna Bridge 186:707f6e361f3e 52
Anna Bridge 186:707f6e361f3e 53 #endif // COMMON_RTC_H