Johannes Stratmann / mbed-dev

added prescaler for 16 bit pwm in LPC1347 target

Fork of mbed-dev by mbed official

targets/hal/TARGET_Freescale/TARGET_KSDK2_MCUS/TARGET_K66F/drivers/fsl_rnga.h@147:ba84b7dc41a7, 2016-09-10 (annotated)

Committer:
JojoS
Date:
Sat Sep 10 15:32:04 2016 +0000
Revision:
147:ba84b7dc41a7
Parent:
144:ef7eb2e8f9f7 
added prescaler for 16 bit timers (solution as in LPC11xx), default prescaler 31 for max 28 ms period time

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /*
<> 144:ef7eb2e8f9f7 2 * Copyright (c) 2015, Freescale Semiconductor, Inc.
<> 144:ef7eb2e8f9f7 3 * All rights reserved.
<> 144:ef7eb2e8f9f7 4 *
<> 144:ef7eb2e8f9f7 5 * Redistribution and use in source and binary forms, with or without modification,
<> 144:ef7eb2e8f9f7 6 * are permitted provided that the following conditions are met:
<> 144:ef7eb2e8f9f7 7 *
<> 144:ef7eb2e8f9f7 8 * o Redistributions of source code must retain the above copyright notice, this list
<> 144:ef7eb2e8f9f7 9 * of conditions and the following disclaimer.
<> 144:ef7eb2e8f9f7 10 *
<> 144:ef7eb2e8f9f7 11 * o Redistributions in binary form must reproduce the above copyright notice, this
<> 144:ef7eb2e8f9f7 12 * list of conditions and the following disclaimer in the documentation and/or
<> 144:ef7eb2e8f9f7 13 * other materials provided with the distribution.
<> 144:ef7eb2e8f9f7 14 *
<> 144:ef7eb2e8f9f7 15 * o Neither the name of Freescale Semiconductor, Inc. nor the names of its
<> 144:ef7eb2e8f9f7 16 * contributors may be used to endorse or promote products derived from this
<> 144:ef7eb2e8f9f7 17 * software without specific prior written permission.
<> 144:ef7eb2e8f9f7 18 *
<> 144:ef7eb2e8f9f7 19 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
<> 144:ef7eb2e8f9f7 20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
<> 144:ef7eb2e8f9f7 21 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
<> 144:ef7eb2e8f9f7 22 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
<> 144:ef7eb2e8f9f7 23 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
<> 144:ef7eb2e8f9f7 24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
<> 144:ef7eb2e8f9f7 25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
<> 144:ef7eb2e8f9f7 26 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
<> 144:ef7eb2e8f9f7 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
<> 144:ef7eb2e8f9f7 28 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
<> 144:ef7eb2e8f9f7 29 */
<> 144:ef7eb2e8f9f7 30 #ifndef _FSL_RNGA_DRIVER_H_
<> 144:ef7eb2e8f9f7 31 #define _FSL_RNGA_DRIVER_H_
<> 144:ef7eb2e8f9f7 32
<> 144:ef7eb2e8f9f7 33 #include "fsl_common.h"
<> 144:ef7eb2e8f9f7 34
<> 144:ef7eb2e8f9f7 35 #if defined(FSL_FEATURE_SOC_RNG_COUNT) && FSL_FEATURE_SOC_RNG_COUNT
<> 144:ef7eb2e8f9f7 36 /*!
<> 144:ef7eb2e8f9f7 37 * @addtogroup rnga_driver
<> 144:ef7eb2e8f9f7 38 * @{
<> 144:ef7eb2e8f9f7 39 */
<> 144:ef7eb2e8f9f7 40
<> 144:ef7eb2e8f9f7 41 /*! @file */
<> 144:ef7eb2e8f9f7 42
<> 144:ef7eb2e8f9f7 43 /*******************************************************************************
<> 144:ef7eb2e8f9f7 44 * Definitions
<> 144:ef7eb2e8f9f7 45 *******************************************************************************/
<> 144:ef7eb2e8f9f7 46
<> 144:ef7eb2e8f9f7 47 /*! @name Driver version */
<> 144:ef7eb2e8f9f7 48 /*@{*/
<> 144:ef7eb2e8f9f7 49 /*! @brief RNGA driver version 2.0.1. */
<> 144:ef7eb2e8f9f7 50 #define FSL_RNGA_DRIVER_VERSION (MAKE_VERSION(2, 0, 1))
<> 144:ef7eb2e8f9f7 51 /*@}*/
<> 144:ef7eb2e8f9f7 52
<> 144:ef7eb2e8f9f7 53 /*! @brief RNGA working mode */
<> 144:ef7eb2e8f9f7 54 typedef enum _rnga_mode
<> 144:ef7eb2e8f9f7 55 {
<> 144:ef7eb2e8f9f7 56 kRNGA_ModeNormal = 0U, /*!< Normal Mode. The ring-oscillator clocks are active; RNGA generates entropy
<> 144:ef7eb2e8f9f7 57 (randomness) from the clocks and stores it in shift registers.*/
<> 144:ef7eb2e8f9f7 58 kRNGA_ModeSleep = 1U, /*!< Sleep Mode. The ring-oscillator clocks are inactive; RNGA does not generate entropy.*/
<> 144:ef7eb2e8f9f7 59 } rnga_mode_t;
<> 144:ef7eb2e8f9f7 60
<> 144:ef7eb2e8f9f7 61 /*******************************************************************************
<> 144:ef7eb2e8f9f7 62 * API
<> 144:ef7eb2e8f9f7 63 *******************************************************************************/
<> 144:ef7eb2e8f9f7 64
<> 144:ef7eb2e8f9f7 65 #if defined(__cplusplus)
<> 144:ef7eb2e8f9f7 66 extern "C" {
<> 144:ef7eb2e8f9f7 67 #endif
<> 144:ef7eb2e8f9f7 68
<> 144:ef7eb2e8f9f7 69 /*!
<> 144:ef7eb2e8f9f7 70 * @brief Initializes the RNGA.
<> 144:ef7eb2e8f9f7 71 *
<> 144:ef7eb2e8f9f7 72 * This function initializes the RNGA.
<> 144:ef7eb2e8f9f7 73 * When called, the RNGA entropy generation starts immediately.
<> 144:ef7eb2e8f9f7 74 *
<> 144:ef7eb2e8f9f7 75 * @param base RNGA base address
<> 144:ef7eb2e8f9f7 76 */
<> 144:ef7eb2e8f9f7 77 void RNGA_Init(RNG_Type *base);
<> 144:ef7eb2e8f9f7 78
<> 144:ef7eb2e8f9f7 79 /*!
<> 144:ef7eb2e8f9f7 80 * @brief Shuts down the RNGA.
<> 144:ef7eb2e8f9f7 81 *
<> 144:ef7eb2e8f9f7 82 * This function shuts down the RNGA.
<> 144:ef7eb2e8f9f7 83 *
<> 144:ef7eb2e8f9f7 84 * @param base RNGA base address
<> 144:ef7eb2e8f9f7 85 */
<> 144:ef7eb2e8f9f7 86 void RNGA_Deinit(RNG_Type *base);
<> 144:ef7eb2e8f9f7 87
<> 144:ef7eb2e8f9f7 88 /*!
<> 144:ef7eb2e8f9f7 89 * @brief Gets random data.
<> 144:ef7eb2e8f9f7 90 *
<> 144:ef7eb2e8f9f7 91 * This function gets random data from the RNGA.
<> 144:ef7eb2e8f9f7 92 *
<> 144:ef7eb2e8f9f7 93 * @param base RNGA base address
<> 144:ef7eb2e8f9f7 94 * @param data pointer to user buffer to be filled by random data
<> 144:ef7eb2e8f9f7 95 * @param data_size size of data in bytes
<> 144:ef7eb2e8f9f7 96 * @return RNGA status
<> 144:ef7eb2e8f9f7 97 */
<> 144:ef7eb2e8f9f7 98 status_t RNGA_GetRandomData(RNG_Type *base, void *data, size_t data_size);
<> 144:ef7eb2e8f9f7 99
<> 144:ef7eb2e8f9f7 100 /*!
<> 144:ef7eb2e8f9f7 101 * @brief Feeds the RNGA module.
<> 144:ef7eb2e8f9f7 102 *
<> 144:ef7eb2e8f9f7 103 * This function inputs an entropy value that the RNGA uses to seed its
<> 144:ef7eb2e8f9f7 104 * pseudo-random algorithm.
<> 144:ef7eb2e8f9f7 105 *
<> 144:ef7eb2e8f9f7 106 * @param base RNGA base address
<> 144:ef7eb2e8f9f7 107 * @param seed input seed value
<> 144:ef7eb2e8f9f7 108 */
<> 144:ef7eb2e8f9f7 109 void RNGA_Seed(RNG_Type *base, uint32_t seed);
<> 144:ef7eb2e8f9f7 110
<> 144:ef7eb2e8f9f7 111 /*!
<> 144:ef7eb2e8f9f7 112 * @brief Sets the RNGA in normal mode or sleep mode.
<> 144:ef7eb2e8f9f7 113 *
<> 144:ef7eb2e8f9f7 114 * This function sets the RNGA in sleep mode or normal mode.
<> 144:ef7eb2e8f9f7 115 *
<> 144:ef7eb2e8f9f7 116 * @param base RNGA base address
<> 144:ef7eb2e8f9f7 117 * @param mode normal mode or sleep mode
<> 144:ef7eb2e8f9f7 118 */
<> 144:ef7eb2e8f9f7 119 void RNGA_SetMode(RNG_Type *base, rnga_mode_t mode);
<> 144:ef7eb2e8f9f7 120
<> 144:ef7eb2e8f9f7 121 /*!
<> 144:ef7eb2e8f9f7 122 * @brief Gets the RNGA working mode.
<> 144:ef7eb2e8f9f7 123 *
<> 144:ef7eb2e8f9f7 124 * This function gets the RNGA working mode.
<> 144:ef7eb2e8f9f7 125 *
<> 144:ef7eb2e8f9f7 126 * @param base RNGA base address
<> 144:ef7eb2e8f9f7 127 * @return normal mode or sleep mode
<> 144:ef7eb2e8f9f7 128 */
<> 144:ef7eb2e8f9f7 129 rnga_mode_t RNGA_GetMode(RNG_Type *base);
<> 144:ef7eb2e8f9f7 130
<> 144:ef7eb2e8f9f7 131 #if defined(__cplusplus)
<> 144:ef7eb2e8f9f7 132 }
<> 144:ef7eb2e8f9f7 133 #endif
<> 144:ef7eb2e8f9f7 134
<> 144:ef7eb2e8f9f7 135 /*! @}*/
<> 144:ef7eb2e8f9f7 136
<> 144:ef7eb2e8f9f7 137 #endif /* FSL_FEATURE_SOC_RNG_COUNT */
<> 144:ef7eb2e8f9f7 138 #endif /* _FSL_RNGA_H_*/