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/mbed_overrides.c@50:a417edff4437, 2016-01-15 (annotated)

Committer:
mbed_official
Date:
Fri Jan 15 07:45:16 2016 +0000
Revision:
50:a417edff4437
Parent:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Synchronized with git revision 6010f32619bfcbb01cc73747d4ff9040863482d9



Full URL: https://github.com/mbedmicro/mbed/commit/6010f32619bfcbb01cc73747d4ff9040863482d9/



Remove doubling of buffer size in realiseEndpoint()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 2 * @file mbed_overrides.c
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
bogdanm 0:9b334a45a8ff 31 #include "em_chip.h"
bogdanm 0:9b334a45a8ff 32 #include "em_device.h"
bogdanm 0:9b334a45a8ff 33 #include "em_cmu.h"
bogdanm 0:9b334a45a8ff 34 #include "em_emu.h"
bogdanm 0:9b334a45a8ff 35 #include "device_peripherals.h"
bogdanm 0:9b334a45a8ff 36 #include "device.h"
bogdanm 0:9b334a45a8ff 37 #include "em_usart.h"
bogdanm 0:9b334a45a8ff 38 #include "gpio_api.h"
bogdanm 0:9b334a45a8ff 39
bogdanm 0:9b334a45a8ff 40 gpio_t bc_enable;
bogdanm 0:9b334a45a8ff 41
bogdanm 0:9b334a45a8ff 42 /* Called before main - implement here if board needs it.
bogdanm 0:9b334a45a8ff 43 * Otherwise, let the application override this if necessary */
bogdanm 0:9b334a45a8ff 44 void mbed_sdk_init()
bogdanm 0:9b334a45a8ff 45 {
bogdanm 0:9b334a45a8ff 46 CHIP_Init();
bogdanm 0:9b334a45a8ff 47
mbed_official 50:a417edff4437 48 #if defined(_SILICON_LABS_32B_PLATFORM_2)
mbed_official 50:a417edff4437 49 EMU_DCDCInit_TypeDef dcdcInit = EMU_DCDCINIT_DEFAULT;
mbed_official 50:a417edff4437 50 EMU_DCDCInit(&dcdcInit);
mbed_official 50:a417edff4437 51 #endif
mbed_official 50:a417edff4437 52
bogdanm 0:9b334a45a8ff 53 /* Set up the clock sources for this chip */
bogdanm 0:9b334a45a8ff 54 #if( CORE_CLOCK_SOURCE == HFXO)
bogdanm 0:9b334a45a8ff 55 CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFXO);
bogdanm 0:9b334a45a8ff 56 SystemHFXOClockSet(HFXO_FREQUENCY);
bogdanm 0:9b334a45a8ff 57 #elif( CORE_CLOCK_SOURCE == HFRCO)
bogdanm 0:9b334a45a8ff 58 CMU_ClockSelectSet(cmuClock_HF, cmuSelect_HFRCO);
mbed_official 50:a417edff4437 59 # if defined _CMU_HFRCOCTRL_BAND_MASK
bogdanm 0:9b334a45a8ff 60 CMU_HFRCOBandSet(HFRCO_FREQUENCY);
mbed_official 50:a417edff4437 61 # elif defined _CMU_HFRCOCTRL_FREQRANGE_MASK
mbed_official 50:a417edff4437 62 CMU_HFRCOFreqSet(HFRCO_FREQUENCY_ENUM);
mbed_official 50:a417edff4437 63 # else
mbed_official 50:a417edff4437 64 # error "Can't set HFRCO frequency"
mbed_official 50:a417edff4437 65 # endif
bogdanm 0:9b334a45a8ff 66 #else
mbed_official 50:a417edff4437 67 # error "Core clock selection not valid (mbed_overrides.c)"
bogdanm 0:9b334a45a8ff 68 #endif
bogdanm 0:9b334a45a8ff 69
bogdanm 0:9b334a45a8ff 70 CMU_ClockEnable(cmuClock_CORELE, true);
bogdanm 0:9b334a45a8ff 71
bogdanm 0:9b334a45a8ff 72 #if( LOW_ENERGY_CLOCK_SOURCE == LFXO )
mbed_official 50:a417edff4437 73 # ifdef _CMU_LFACLKEN0_MASK
bogdanm 0:9b334a45a8ff 74 CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFXO);
mbed_official 50:a417edff4437 75 # endif
mbed_official 50:a417edff4437 76 # ifdef _CMU_LFBCLKEN0_MASK
bogdanm 0:9b334a45a8ff 77 /* cmuClock_LFB (to date) only has LEUART peripherals.
bogdanm 0:9b334a45a8ff 78 * This gets set automatically whenever you create serial objects using LEUART
bogdanm 0:9b334a45a8ff 79 */
mbed_official 50:a417edff4437 80 # endif
mbed_official 50:a417edff4437 81 # ifdef _CMU_LFECLKEN0_MASK
bogdanm 0:9b334a45a8ff 82 CMU_ClockSelectSet(cmuClock_LFE, cmuSelect_LFXO);
mbed_official 50:a417edff4437 83 # endif
bogdanm 0:9b334a45a8ff 84 SystemLFXOClockSet(LFXO_FREQUENCY);
bogdanm 0:9b334a45a8ff 85
bogdanm 0:9b334a45a8ff 86 #elif( LOW_ENERGY_CLOCK_SOURCE == LFRCO )
mbed_official 50:a417edff4437 87 # ifdef _CMU_LFACLKEN0_MASK
bogdanm 0:9b334a45a8ff 88 CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_LFRCO);
mbed_official 50:a417edff4437 89 # endif
mbed_official 50:a417edff4437 90 # ifdef _CMU_LFBCLKEN0_MASK
bogdanm 0:9b334a45a8ff 91 //CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_LFRCO);
mbed_official 50:a417edff4437 92 # endif
mbed_official 50:a417edff4437 93 # ifdef _CMU_LFECLKEN0_MASK
bogdanm 0:9b334a45a8ff 94 CMU_ClockSelectSet(cmuClock_LFE, cmuSelect_LFRCO);
mbed_official 50:a417edff4437 95 # endif
bogdanm 0:9b334a45a8ff 96
bogdanm 0:9b334a45a8ff 97 #elif( LOW_ENERGY_CLOCK_SOURCE == ULFRCO)
mbed_official 50:a417edff4437 98 # ifdef _CMU_LFACLKEN0_MASK
bogdanm 0:9b334a45a8ff 99 CMU_ClockSelectSet(cmuClock_LFA, cmuSelect_ULFRCO);
mbed_official 50:a417edff4437 100 # endif
mbed_official 50:a417edff4437 101 # ifdef _CMU_LFBCLKEN0_MASK
bogdanm 0:9b334a45a8ff 102 CMU_ClockSelectSet(cmuClock_LFB, cmuSelect_ULFRCO);
mbed_official 50:a417edff4437 103 # endif
mbed_official 50:a417edff4437 104 # ifdef _CMU_LFECLKEN0_MASK
bogdanm 0:9b334a45a8ff 105 CMU_ClockSelectSet(cmuClock_LFE, cmuSelect_ULFRCO);
mbed_official 50:a417edff4437 106 # endif
bogdanm 0:9b334a45a8ff 107 #else
mbed_official 50:a417edff4437 108 # error "Low energy clock selection not valid"
bogdanm 0:9b334a45a8ff 109 #endif
bogdanm 0:9b334a45a8ff 110
bogdanm 0:9b334a45a8ff 111 /* Enable BC line driver to avoid garbage on CDC port */
bogdanm 0:9b334a45a8ff 112 gpio_init_out_ex(&bc_enable, EFM_BC_EN, 1);
bogdanm 0:9b334a45a8ff 113 }