/***************************************************************************//** * @file device_peripherals.h ******************************************************************************* * @section License * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b> ******************************************************************************* * * 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_DEVICE_PERIPHERALS_H #define MBED_DEVICE_PERIPHERALS_H /* us ticker */ #define US_TICKER_TIMER TIMER1 #define US_TICKER_TIMER_CLOCK cmuClock_TIMER1 #define US_TICKER_TIMER_IRQ TIMER1_IRQn /* PWM */ #define PWM_TIMER TIMER0 #define PWM_TIMER_CLOCK cmuClock_TIMER0 #define PWM_ROUTE TIMER_ROUTE_LOCATION_LOC0 /* USB */ #define USB_TIMER USB_TIMER2 /* STDIO */ #define STDIO_UART USART1 /* Clocks */ /* Clock definitions */ #define LFXO 0 #define HFXO 1 #define LFRCO 2 #define HFRCO 3 #if !defined(_EFM32_GECKO_FAMILY) #define ULFRCO 4 #endif /* Low Energy peripheral clock source. * Options: * * LFXO: external crystal, please define frequency. * * LFRCO: internal RC oscillator (32.768kHz) * * ULFRCO: internal ultra-low power RC oscillator (available down to EM3) (1kHz) */ #define LOW_ENERGY_CLOCK_SOURCE LFXO /** Core clock source. * Options: * * HFXO: external crystal, please define frequency. * * HFRCO: High-frequency internal RC oscillator. Please select band as well. */ #define CORE_CLOCK_SOURCE HFXO /** HFRCO frequency band * Options: * * _CMU_HFRCOCTRL_BAND_21MHZ * * _CMU_HFRCOCTRL_BAND_14MHZ * * _CMU_HFRCOCTRL_BAND_11MHZ * * _CMU_HFRCOCTRL_BAND_7MHZ * * _CMU_HFRCOCTRL_BAND_1MHZ */ #define HFRCO_FREQUENCY _CMU_HFRCOCTRL_BAND_21MHZ #define LFXO_FREQUENCY 32768 #define HFXO_FREQUENCY 24000000 #if (LOW_ENERGY_CLOCK_SOURCE == LFXO) #define LOW_ENERGY_CLOCK_FREQUENCY LFXO_FREQUENCY #elif (LOW_ENERGY_CLOCK_SOURCE == LFRCO) #define LOW_ENERGY_CLOCK_FREQUENCY 32768 #elif (LOW_ENERGY_CLOCK_SOURCE == ULFRCO) #define LOW_ENERGY_CLOCK_FREQUENCY 1000 #else #error "Unknown Low Energy Clock selection" #endif #endif