Mouse code for the MacroRat
Diff: mbed-dev/targets/TARGET_NORDIC/TARGET_NRF5/common_rtc.h
- Revision:
- 18:6a4db94011d3
diff -r f713758f6238 -r 6a4db94011d3 mbed-dev/targets/TARGET_NORDIC/TARGET_NRF5/common_rtc.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed-dev/targets/TARGET_NORDIC/TARGET_NRF5/common_rtc.h Sun May 14 23:18:57 2017 +0000 @@ -0,0 +1,57 @@ +/* mbed Microcontroller Library + * Copyright (c) 2015 ARM Limited + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef COMMON_RTC_H +#define COMMON_RTC_H + +#include "nrf_rtc.h" + +#define RTC_COUNTER_BITS 24u + +// Instance 0 is reserved for SoftDevice. +// Instance 1 is used as a common one for us_ticker, lp_ticker and (in case +// of NRF51) as an alternative tick source for RTOS. +// ["us_ticker.c" uses hard coded addresses of the 'NRF_RTC1->EVENT_COMPARE[1]' +// register in inline assembly implementations of COMMON_RTC_IRQ_HANDLER, +// please remember to update those in case of doing changes here] +#define COMMON_RTC_INSTANCE NRF_RTC1 +#define COMMON_RTC_IRQ_HANDLER RTC1_IRQHandler +#define US_TICKER_CC_CHANNEL 0 +#define OS_TICK_CC_CHANNEL 1 +#define LP_TICKER_CC_CHANNEL 2 + +#define COMMON_RTC_EVENT_COMPARE(channel) \ + CONCAT_2(NRF_RTC_EVENT_COMPARE_, channel) +#define COMMON_RTC_INT_COMPARE_MASK(channel) \ + CONCAT_3(NRF_RTC_INT_COMPARE, channel, _MASK) + +#define US_TICKER_EVENT COMMON_RTC_EVENT_COMPARE(US_TICKER_CC_CHANNEL) +#define US_TICKER_INT_MASK COMMON_RTC_INT_COMPARE_MASK(US_TICKER_CC_CHANNEL) +#define OS_TICK_EVENT COMMON_RTC_EVENT_COMPARE(OS_TICK_CC_CHANNEL) +#define OS_TICK_INT_MASK COMMON_RTC_INT_COMPARE_MASK(OS_TICK_CC_CHANNEL) +#define LP_TICKER_EVENT COMMON_RTC_EVENT_COMPARE(LP_TICKER_CC_CHANNEL) +#define LP_TICKER_INT_MASK COMMON_RTC_INT_COMPARE_MASK(LP_TICKER_CC_CHANNEL) + +extern bool m_common_rtc_enabled; +extern uint32_t volatile m_common_rtc_overflows; + +void common_rtc_init(void); +uint32_t common_rtc_32bit_ticks_get(void); +uint64_t common_rtc_64bit_us_get(void); +void common_rtc_set_interrupt(uint32_t us_timestamp, uint32_t cc_channel, + uint32_t int_mask); + +#endif // COMMON_RTC_H