added prescaler for 16 bit pwm in LPC1347 target
Fork of mbed-dev by
Diff: targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32LG_STK3600/device_peripherals.h
- Revision:
- 144:ef7eb2e8f9f7
- Parent:
- 54:2a2065e67ef6
diff -r 423e1876dc07 -r ef7eb2e8f9f7 targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32LG_STK3600/device_peripherals.h --- a/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32LG_STK3600/device_peripherals.h Tue Aug 02 14:07:36 2016 +0000 +++ b/targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32LG_STK3600/device_peripherals.h Fri Sep 02 15:07:44 2016 +0100 @@ -1,96 +1,89 @@ -/***************************************************************************//** - * @file device_peripherals.h - ******************************************************************************* - * @section License - * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b> - ******************************************************************************* - * - * Permission is granted to anyone to use this software for any purpose, - * including commercial applications, and to alter it and redistribute it - * freely, subject to the following restrictions: - * - * 1. The origin of this software must not be misrepresented; you must not - * claim that you wrote the original software. - * 2. Altered source versions must be plainly marked as such, and must not be - * misrepresented as being the original software. - * 3. This notice may not be removed or altered from any source distribution. - * - * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no - * obligation to support this Software. Silicon Labs is providing the - * Software "AS IS", with no express or implied warranties of any kind, - * including, but not limited to, any implied warranties of merchantability - * or fitness for any particular purpose or warranties against infringement - * of any proprietary rights of a third party. - * - * Silicon Labs will not be liable for any consequential, incidental, or - * special damages, or any other relief, or for any claim by any third party, - * arising from your use of this Software. - * - ******************************************************************************/ -#ifndef MBED_DEVICE_PERIPHERALS_H -#define MBED_DEVICE_PERIPHERALS_H - -/* us ticker */ -#define US_TICKER_TIMER TIMER0 -#define US_TICKER_TIMER_CLOCK cmuClock_TIMER0 -#define US_TICKER_TIMER_IRQ TIMER0_IRQn - -/* PWM */ -#define PWM_TIMER TIMER2 -#define PWM_TIMER_CLOCK cmuClock_TIMER2 -#define PWM_ROUTE TIMER_ROUTE_LOCATION_LOC1 - -/* USB */ -#define USB_TIMER USB_TIMER1 - -/* 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_28MHZ - * * _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 48000000 - -#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 +/***************************************************************************//** + * @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 TIMER0 +#define US_TICKER_TIMER_CLOCK cmuClock_TIMER0 +#define US_TICKER_TIMER_IRQ TIMER0_IRQn + +/* PWM */ +#define PWM_TIMER TIMER2 +#define PWM_TIMER_CLOCK cmuClock_TIMER2 +#define PWM_ROUTE TIMER_ROUTE_LOCATION_LOC1 + +/* USB */ +#define USB_TIMER USB_TIMER1 + +/* 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_28MHZ + * * _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 48000000 + +#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