Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/TARGET_EFM32WG_STK3800/device_peripherals.h@0:9b334a45a8ff, 2015-10-01 (annotated)

Committer:
bogdanm
Date:
Thu Oct 01 15:25:22 2015 +0300
Revision:
0:9b334a45a8ff
Child:
54:2a2065e67ef6
Initial commit on mbed-dev



Replaces mbed-src (now inactive)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 2 * @file device_peripherals.h
bogdanm 0:9b334a45a8ff 3 *******************************************************************************
bogdanm 0:9b334a45a8ff 4 * @section License
bogdanm 0:9b334a45a8ff 5 * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
bogdanm 0:9b334a45a8ff 6 *******************************************************************************
bogdanm 0:9b334a45a8ff 7 *
bogdanm 0:9b334a45a8ff 8 * Permission is granted to anyone to use this software for any purpose,
bogdanm 0:9b334a45a8ff 9 * including commercial applications, and to alter it and redistribute it
bogdanm 0:9b334a45a8ff 10 * freely, subject to the following restrictions:
bogdanm 0:9b334a45a8ff 11 *
bogdanm 0:9b334a45a8ff 12 * 1. The origin of this software must not be misrepresented; you must not
bogdanm 0:9b334a45a8ff 13 * claim that you wrote the original software.
bogdanm 0:9b334a45a8ff 14 * 2. Altered source versions must be plainly marked as such, and must not be
bogdanm 0:9b334a45a8ff 15 * misrepresented as being the original software.
bogdanm 0:9b334a45a8ff 16 * 3. This notice may not be removed or altered from any source distribution.
bogdanm 0:9b334a45a8ff 17 *
bogdanm 0:9b334a45a8ff 18 * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
bogdanm 0:9b334a45a8ff 19 * obligation to support this Software. Silicon Labs is providing the
bogdanm 0:9b334a45a8ff 20 * Software "AS IS", with no express or implied warranties of any kind,
bogdanm 0:9b334a45a8ff 21 * including, but not limited to, any implied warranties of merchantability
bogdanm 0:9b334a45a8ff 22 * or fitness for any particular purpose or warranties against infringement
bogdanm 0:9b334a45a8ff 23 * of any proprietary rights of a third party.
bogdanm 0:9b334a45a8ff 24 *
bogdanm 0:9b334a45a8ff 25 * Silicon Labs will not be liable for any consequential, incidental, or
bogdanm 0:9b334a45a8ff 26 * special damages, or any other relief, or for any claim by any third party,
bogdanm 0:9b334a45a8ff 27 * arising from your use of this Software.
bogdanm 0:9b334a45a8ff 28 *
bogdanm 0:9b334a45a8ff 29 ******************************************************************************/
bogdanm 0:9b334a45a8ff 30 #ifndef MBED_DEVICE_PERIPHERALS_H
bogdanm 0:9b334a45a8ff 31 #define MBED_DEVICE_PERIPHERALS_H
bogdanm 0:9b334a45a8ff 32
bogdanm 0:9b334a45a8ff 33 /* us ticker */
bogdanm 0:9b334a45a8ff 34 #define US_TICKER_TIMER TIMER0
bogdanm 0:9b334a45a8ff 35 #define US_TICKER_TIMER_CLOCK cmuClock_TIMER0
bogdanm 0:9b334a45a8ff 36 #define US_TICKER_TIMER_IRQ TIMER0_IRQn
bogdanm 0:9b334a45a8ff 37
bogdanm 0:9b334a45a8ff 38 /* PWM */
bogdanm 0:9b334a45a8ff 39 #define PWM_TIMER TIMER2
bogdanm 0:9b334a45a8ff 40 #define PWM_TIMER_CLOCK cmuClock_TIMER2
bogdanm 0:9b334a45a8ff 41 #define PWM_ROUTE TIMER_ROUTE_LOCATION_LOC1
bogdanm 0:9b334a45a8ff 42
bogdanm 0:9b334a45a8ff 43 /* USB */
bogdanm 0:9b334a45a8ff 44 #define USB_TIMER USB_TIMER1
bogdanm 0:9b334a45a8ff 45
bogdanm 0:9b334a45a8ff 46 /* Clocks */
bogdanm 0:9b334a45a8ff 47
bogdanm 0:9b334a45a8ff 48 /* Clock definitions */
bogdanm 0:9b334a45a8ff 49 #define LFXO 0
bogdanm 0:9b334a45a8ff 50 #define HFXO 1
bogdanm 0:9b334a45a8ff 51 #define LFRCO 2
bogdanm 0:9b334a45a8ff 52 #define HFRCO 3
bogdanm 0:9b334a45a8ff 53 #if !defined(_EFM32_GECKO_FAMILY)
bogdanm 0:9b334a45a8ff 54 #define ULFRCO 4
bogdanm 0:9b334a45a8ff 55 #endif
bogdanm 0:9b334a45a8ff 56
bogdanm 0:9b334a45a8ff 57 /* Low Energy peripheral clock source.
bogdanm 0:9b334a45a8ff 58 * Options:
bogdanm 0:9b334a45a8ff 59 * * LFXO: external crystal, please define frequency.
bogdanm 0:9b334a45a8ff 60 * * LFRCO: internal RC oscillator (32.768kHz)
bogdanm 0:9b334a45a8ff 61 * * ULFRCO: internal ultra-low power RC oscillator (available down to EM3) (1kHz)
bogdanm 0:9b334a45a8ff 62 */
bogdanm 0:9b334a45a8ff 63 #define LOW_ENERGY_CLOCK_SOURCE LFXO
bogdanm 0:9b334a45a8ff 64
bogdanm 0:9b334a45a8ff 65 /** Core clock source.
bogdanm 0:9b334a45a8ff 66 * Options:
bogdanm 0:9b334a45a8ff 67 * * HFXO: external crystal, please define frequency.
bogdanm 0:9b334a45a8ff 68 * * HFRCO: High-frequency internal RC oscillator. Please select band as well.
bogdanm 0:9b334a45a8ff 69 */
bogdanm 0:9b334a45a8ff 70 #define CORE_CLOCK_SOURCE HFXO
bogdanm 0:9b334a45a8ff 71
bogdanm 0:9b334a45a8ff 72 /** HFRCO frequency band
bogdanm 0:9b334a45a8ff 73 * Options:
bogdanm 0:9b334a45a8ff 74 * * CMU_HFRCOCTRL_BAND_28MHZ
bogdanm 0:9b334a45a8ff 75 * * CMU_HFRCOCTRL_BAND_21MHZ
bogdanm 0:9b334a45a8ff 76 * * CMU_HFRCOCTRL_BAND_14MHZ
bogdanm 0:9b334a45a8ff 77 * * CMU_HFRCOCTRL_BAND_11MHZ
bogdanm 0:9b334a45a8ff 78 * * CMU_HFRCOCTRL_BAND_7MHZ
bogdanm 0:9b334a45a8ff 79 * * CMU_HFRCOCTRL_BAND_1MHZ
bogdanm 0:9b334a45a8ff 80 */
bogdanm 0:9b334a45a8ff 81 #define HFRCO_FREQUENCY CMU_HFRCOCTRL_BAND_14MHZ
bogdanm 0:9b334a45a8ff 82
bogdanm 0:9b334a45a8ff 83 #define LFXO_FREQUENCY 32768
bogdanm 0:9b334a45a8ff 84 #define HFXO_FREQUENCY 48000000
bogdanm 0:9b334a45a8ff 85
bogdanm 0:9b334a45a8ff 86 #if (LOW_ENERGY_CLOCK_SOURCE == LFXO)
bogdanm 0:9b334a45a8ff 87 #define LOW_ENERGY_CLOCK_FREQUENCY LFXO_FREQUENCY
bogdanm 0:9b334a45a8ff 88 #elif (LOW_ENERGY_CLOCK_SOURCE == LFRCO)
bogdanm 0:9b334a45a8ff 89 #define LOW_ENERGY_CLOCK_FREQUENCY 32768
bogdanm 0:9b334a45a8ff 90 #elif (LOW_ENERGY_CLOCK_SOURCE == ULFRCO)
bogdanm 0:9b334a45a8ff 91 #define LOW_ENERGY_CLOCK_FREQUENCY 1000
bogdanm 0:9b334a45a8ff 92 #else
bogdanm 0:9b334a45a8ff 93 #error "Unknown Low Energy Clock selection"
bogdanm 0:9b334a45a8ff 94 #endif
bogdanm 0:9b334a45a8ff 95
bogdanm 0:9b334a45a8ff 96 #endif