/* mbed Microcontroller Library * Copyright (c) 2006-2019 ARM Limited * SPDX-License-Identifier: Apache-2.0 * * 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 MBED_US_TICKER_DEFINES_H_ #define MBED_US_TICKER_DEFINES_H_ #include "us_ticker_data.h" /* All devices have 1MHz us_ticker */ #define US_TICKER_PERIOD_NUM 1 #define US_TICKER_PERIOD_DEN 1 #if TIM_MST_BIT_WIDTH == 16 #define US_TICKER_MASK 0xFFFF #elif TIM_MST_BIT_WIDTH == 32 #define US_TICKER_MASK 0xFFFFFFFF #else #error "Bad TIM_MST_BIT_WIDTH" #endif /* Macro-optimised form of us_ticker_read */ #define us_ticker_read() (TIM_MST->CNT) #endif /* MBED_US_TICKER_DEFINES_H_ */