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mbed 2

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TARGET_EFM32WG_STK3800/TARGET_Silicon_Labs/TARGET_EFM32/emlib/inc/em_prs.h@156:ff21514d8981, 2017-11-08 (annotated)

Committer:
AnnaBridge
Date:
Wed Nov 08 17:18:06 2017 +0000
Revision:
156:ff21514d8981
Child:
159:7130f322cb7e
Reverting back to release 154 of the mbed library

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AnnaBridge 156:ff21514d8981 1 /***************************************************************************//**
AnnaBridge 156:ff21514d8981 2 * @file em_prs.h
AnnaBridge 156:ff21514d8981 3 * @brief Peripheral Reflex System (PRS) peripheral API
AnnaBridge 156:ff21514d8981 4 * @version 5.1.2
AnnaBridge 156:ff21514d8981 5 *******************************************************************************
AnnaBridge 156:ff21514d8981 6 * @section License
AnnaBridge 156:ff21514d8981 7 * <b>Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com</b>
AnnaBridge 156:ff21514d8981 8 *******************************************************************************
AnnaBridge 156:ff21514d8981 9 *
AnnaBridge 156:ff21514d8981 10 * Permission is granted to anyone to use this software for any purpose,
AnnaBridge 156:ff21514d8981 11 * including commercial applications, and to alter it and redistribute it
AnnaBridge 156:ff21514d8981 12 * freely, subject to the following restrictions:
AnnaBridge 156:ff21514d8981 13 *
AnnaBridge 156:ff21514d8981 14 * 1. The origin of this software must not be misrepresented; you must not
AnnaBridge 156:ff21514d8981 15 * claim that you wrote the original software.
AnnaBridge 156:ff21514d8981 16 * 2. Altered source versions must be plainly marked as such, and must not be
AnnaBridge 156:ff21514d8981 17 * misrepresented as being the original software.
AnnaBridge 156:ff21514d8981 18 * 3. This notice may not be removed or altered from any source distribution.
AnnaBridge 156:ff21514d8981 19 *
AnnaBridge 156:ff21514d8981 20 * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
AnnaBridge 156:ff21514d8981 21 * obligation to support this Software. Silicon Labs is providing the
AnnaBridge 156:ff21514d8981 22 * Software "AS IS", with no express or implied warranties of any kind,
AnnaBridge 156:ff21514d8981 23 * including, but not limited to, any implied warranties of merchantability
AnnaBridge 156:ff21514d8981 24 * or fitness for any particular purpose or warranties against infringement
AnnaBridge 156:ff21514d8981 25 * of any proprietary rights of a third party.
AnnaBridge 156:ff21514d8981 26 *
AnnaBridge 156:ff21514d8981 27 * Silicon Labs will not be liable for any consequential, incidental, or
AnnaBridge 156:ff21514d8981 28 * special damages, or any other relief, or for any claim by any third party,
AnnaBridge 156:ff21514d8981 29 * arising from your use of this Software.
AnnaBridge 156:ff21514d8981 30 *
AnnaBridge 156:ff21514d8981 31 ******************************************************************************/
AnnaBridge 156:ff21514d8981 32
AnnaBridge 156:ff21514d8981 33 #ifndef EM_PRS_H
AnnaBridge 156:ff21514d8981 34 #define EM_PRS_H
AnnaBridge 156:ff21514d8981 35
AnnaBridge 156:ff21514d8981 36 #include "em_device.h"
AnnaBridge 156:ff21514d8981 37 #if defined(PRS_COUNT) && (PRS_COUNT > 0)
AnnaBridge 156:ff21514d8981 38
AnnaBridge 156:ff21514d8981 39 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 40 extern "C" {
AnnaBridge 156:ff21514d8981 41 #endif
AnnaBridge 156:ff21514d8981 42
AnnaBridge 156:ff21514d8981 43 /***************************************************************************//**
AnnaBridge 156:ff21514d8981 44 * @addtogroup emlib
AnnaBridge 156:ff21514d8981 45 * @{
AnnaBridge 156:ff21514d8981 46 ******************************************************************************/
AnnaBridge 156:ff21514d8981 47
AnnaBridge 156:ff21514d8981 48 /***************************************************************************//**
AnnaBridge 156:ff21514d8981 49 * @addtogroup PRS
AnnaBridge 156:ff21514d8981 50 * @{
AnnaBridge 156:ff21514d8981 51 ******************************************************************************/
AnnaBridge 156:ff21514d8981 52
AnnaBridge 156:ff21514d8981 53 /*******************************************************************************
AnnaBridge 156:ff21514d8981 54 ******************************** ENUMS ************************************
AnnaBridge 156:ff21514d8981 55 ******************************************************************************/
AnnaBridge 156:ff21514d8981 56
AnnaBridge 156:ff21514d8981 57 /** Edge detection type. */
AnnaBridge 156:ff21514d8981 58 typedef enum
AnnaBridge 156:ff21514d8981 59 {
AnnaBridge 156:ff21514d8981 60 prsEdgeOff = PRS_CH_CTRL_EDSEL_OFF, /**< Leave signal as is. */
AnnaBridge 156:ff21514d8981 61 prsEdgePos = PRS_CH_CTRL_EDSEL_POSEDGE, /**< Generate pules on positive edge. */
AnnaBridge 156:ff21514d8981 62 prsEdgeNeg = PRS_CH_CTRL_EDSEL_NEGEDGE, /**< Generate pules on negative edge. */
AnnaBridge 156:ff21514d8981 63 prsEdgeBoth = PRS_CH_CTRL_EDSEL_BOTHEDGES /**< Generate pules on both edges. */
AnnaBridge 156:ff21514d8981 64 } PRS_Edge_TypeDef;
AnnaBridge 156:ff21514d8981 65
AnnaBridge 156:ff21514d8981 66 /*******************************************************************************
AnnaBridge 156:ff21514d8981 67 ***************************** PROTOTYPES **********************************
AnnaBridge 156:ff21514d8981 68 ******************************************************************************/
AnnaBridge 156:ff21514d8981 69
AnnaBridge 156:ff21514d8981 70 /***************************************************************************//**
AnnaBridge 156:ff21514d8981 71 * @brief
AnnaBridge 156:ff21514d8981 72 * Set level control bit for one or more channels.
AnnaBridge 156:ff21514d8981 73 *
AnnaBridge 156:ff21514d8981 74 * @details
AnnaBridge 156:ff21514d8981 75 * The level value for a channel is XORed with both the pulse possible issued
AnnaBridge 156:ff21514d8981 76 * by PRS_PulseTrigger() and the PRS input signal selected for the channel(s).
AnnaBridge 156:ff21514d8981 77 *
AnnaBridge 156:ff21514d8981 78 * @param[in] level
AnnaBridge 156:ff21514d8981 79 * Level to use for channels indicated by @p mask. Use logical OR combination
AnnaBridge 156:ff21514d8981 80 * of PRS_SWLEVEL_CHnLEVEL defines for channels to set high level, otherwise 0.
AnnaBridge 156:ff21514d8981 81 *
AnnaBridge 156:ff21514d8981 82 * @param[in] mask
AnnaBridge 156:ff21514d8981 83 * Mask indicating which channels to set level for. Use logical OR combination
AnnaBridge 156:ff21514d8981 84 * of PRS_SWLEVEL_CHnLEVEL defines.
AnnaBridge 156:ff21514d8981 85 ******************************************************************************/
AnnaBridge 156:ff21514d8981 86 __STATIC_INLINE void PRS_LevelSet(uint32_t level, uint32_t mask)
AnnaBridge 156:ff21514d8981 87 {
AnnaBridge 156:ff21514d8981 88 PRS->SWLEVEL = (PRS->SWLEVEL & ~mask) | (level & mask);
AnnaBridge 156:ff21514d8981 89 }
AnnaBridge 156:ff21514d8981 90
AnnaBridge 156:ff21514d8981 91
AnnaBridge 156:ff21514d8981 92 /***************************************************************************//**
AnnaBridge 156:ff21514d8981 93 * @brief
AnnaBridge 156:ff21514d8981 94 * Trigger a high pulse (one HFPERCLK) for one or more channels.
AnnaBridge 156:ff21514d8981 95 *
AnnaBridge 156:ff21514d8981 96 * @details
AnnaBridge 156:ff21514d8981 97 * Setting a bit for a channel causes the bit in the register to remain high
AnnaBridge 156:ff21514d8981 98 * for one HFPERCLK cycle. The pulse is XORed with both the corresponding bit
AnnaBridge 156:ff21514d8981 99 * in PRS SWLEVEL register and the PRS input signal selected for the
AnnaBridge 156:ff21514d8981 100 * channel(s).
AnnaBridge 156:ff21514d8981 101 *
AnnaBridge 156:ff21514d8981 102 * @param[in] channels
AnnaBridge 156:ff21514d8981 103 * Logical ORed combination of channels to trigger a pulse for. Use
AnnaBridge 156:ff21514d8981 104 * PRS_SWPULSE_CHnPULSE defines.
AnnaBridge 156:ff21514d8981 105 ******************************************************************************/
AnnaBridge 156:ff21514d8981 106 __STATIC_INLINE void PRS_PulseTrigger(uint32_t channels)
AnnaBridge 156:ff21514d8981 107 {
AnnaBridge 156:ff21514d8981 108 PRS->SWPULSE = channels & _PRS_SWPULSE_MASK;
AnnaBridge 156:ff21514d8981 109 }
AnnaBridge 156:ff21514d8981 110
AnnaBridge 156:ff21514d8981 111 void PRS_SourceSignalSet(unsigned int ch,
AnnaBridge 156:ff21514d8981 112 uint32_t source,
AnnaBridge 156:ff21514d8981 113 uint32_t signal,
AnnaBridge 156:ff21514d8981 114 PRS_Edge_TypeDef edge);
AnnaBridge 156:ff21514d8981 115
AnnaBridge 156:ff21514d8981 116 #if defined( PRS_CH_CTRL_ASYNC )
AnnaBridge 156:ff21514d8981 117 void PRS_SourceAsyncSignalSet(unsigned int ch,
AnnaBridge 156:ff21514d8981 118 uint32_t source,
AnnaBridge 156:ff21514d8981 119 uint32_t signal);
AnnaBridge 156:ff21514d8981 120 #endif
AnnaBridge 156:ff21514d8981 121
AnnaBridge 156:ff21514d8981 122 /** @} (end addtogroup PRS) */
AnnaBridge 156:ff21514d8981 123 /** @} (end addtogroup emlib) */
AnnaBridge 156:ff21514d8981 124
AnnaBridge 156:ff21514d8981 125 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 126 }
AnnaBridge 156:ff21514d8981 127 #endif
AnnaBridge 156:ff21514d8981 128
AnnaBridge 156:ff21514d8981 129 #endif /* defined(PRS_COUNT) && (PRS_COUNT > 0) */
AnnaBridge 156:ff21514d8981 130 #endif /* EM_PRS_H */