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TARGET_TB_SENSE_1/TOOLCHAIN_IAR/em_prs.h@172:65be27845400, 2019-02-20 (annotated)

Committer:
AnnaBridge
Date:
Wed Feb 20 20:53:29 2019 +0000
Revision:
172:65be27845400
Parent:
171:3a7713b1edbc 
mbed library release version 165

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
Anna Bridge 160:5571c4ff569f 4 * @version 5.3.3
AnnaBridge 156:ff21514d8981 5 *******************************************************************************
Anna Bridge 160:5571c4ff569f 6 * # 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. */
Anna Bridge 160:5571c4ff569f 58 typedef enum {
AnnaBridge 156:ff21514d8981 59 prsEdgeOff = PRS_CH_CTRL_EDSEL_OFF, /**< Leave signal as is. */
AnnaBridge 156:ff21514d8981 60 prsEdgePos = PRS_CH_CTRL_EDSEL_POSEDGE, /**< Generate pules on positive edge. */
AnnaBridge 156:ff21514d8981 61 prsEdgeNeg = PRS_CH_CTRL_EDSEL_NEGEDGE, /**< Generate pules on negative edge. */
AnnaBridge 156:ff21514d8981 62 prsEdgeBoth = PRS_CH_CTRL_EDSEL_BOTHEDGES /**< Generate pules on both edges. */
AnnaBridge 156:ff21514d8981 63 } PRS_Edge_TypeDef;
AnnaBridge 156:ff21514d8981 64
AnnaBridge 156:ff21514d8981 65 /*******************************************************************************
AnnaBridge 156:ff21514d8981 66 ***************************** PROTOTYPES **********************************
AnnaBridge 156:ff21514d8981 67 ******************************************************************************/
AnnaBridge 156:ff21514d8981 68
AnnaBridge 156:ff21514d8981 69 /***************************************************************************//**
AnnaBridge 156:ff21514d8981 70 * @brief
AnnaBridge 156:ff21514d8981 71 * Set level control bit for one or more channels.
AnnaBridge 156:ff21514d8981 72 *
AnnaBridge 156:ff21514d8981 73 * @details
AnnaBridge 156:ff21514d8981 74 * The level value for a channel is XORed with both the pulse possible issued
AnnaBridge 156:ff21514d8981 75 * by PRS_PulseTrigger() and the PRS input signal selected for the channel(s).
AnnaBridge 156:ff21514d8981 76 *
AnnaBridge 156:ff21514d8981 77 * @param[in] level
AnnaBridge 156:ff21514d8981 78 * Level to use for channels indicated by @p mask. Use logical OR combination
AnnaBridge 156:ff21514d8981 79 * of PRS_SWLEVEL_CHnLEVEL defines for channels to set high level, otherwise 0.
AnnaBridge 156:ff21514d8981 80 *
AnnaBridge 156:ff21514d8981 81 * @param[in] mask
AnnaBridge 156:ff21514d8981 82 * Mask indicating which channels to set level for. Use logical OR combination
AnnaBridge 156:ff21514d8981 83 * of PRS_SWLEVEL_CHnLEVEL defines.
AnnaBridge 156:ff21514d8981 84 ******************************************************************************/
AnnaBridge 156:ff21514d8981 85 __STATIC_INLINE void PRS_LevelSet(uint32_t level, uint32_t mask)
AnnaBridge 156:ff21514d8981 86 {
AnnaBridge 156:ff21514d8981 87 PRS->SWLEVEL = (PRS->SWLEVEL & ~mask) | (level & mask);
AnnaBridge 156:ff21514d8981 88 }
AnnaBridge 156:ff21514d8981 89
AnnaBridge 156:ff21514d8981 90 /***************************************************************************//**
AnnaBridge 156:ff21514d8981 91 * @brief
AnnaBridge 156:ff21514d8981 92 * Trigger a high pulse (one HFPERCLK) for one or more channels.
AnnaBridge 156:ff21514d8981 93 *
AnnaBridge 156:ff21514d8981 94 * @details
AnnaBridge 156:ff21514d8981 95 * Setting a bit for a channel causes the bit in the register to remain high
AnnaBridge 156:ff21514d8981 96 * for one HFPERCLK cycle. The pulse is XORed with both the corresponding bit
AnnaBridge 156:ff21514d8981 97 * in PRS SWLEVEL register and the PRS input signal selected for the
AnnaBridge 156:ff21514d8981 98 * channel(s).
AnnaBridge 156:ff21514d8981 99 *
AnnaBridge 156:ff21514d8981 100 * @param[in] channels
AnnaBridge 156:ff21514d8981 101 * Logical ORed combination of channels to trigger a pulse for. Use
AnnaBridge 156:ff21514d8981 102 * PRS_SWPULSE_CHnPULSE defines.
AnnaBridge 156:ff21514d8981 103 ******************************************************************************/
AnnaBridge 156:ff21514d8981 104 __STATIC_INLINE void PRS_PulseTrigger(uint32_t channels)
AnnaBridge 156:ff21514d8981 105 {
AnnaBridge 156:ff21514d8981 106 PRS->SWPULSE = channels & _PRS_SWPULSE_MASK;
AnnaBridge 156:ff21514d8981 107 }
AnnaBridge 156:ff21514d8981 108
AnnaBridge 156:ff21514d8981 109 void PRS_SourceSignalSet(unsigned int ch,
AnnaBridge 156:ff21514d8981 110 uint32_t source,
AnnaBridge 156:ff21514d8981 111 uint32_t signal,
AnnaBridge 156:ff21514d8981 112 PRS_Edge_TypeDef edge);
AnnaBridge 156:ff21514d8981 113
Anna Bridge 160:5571c4ff569f 114 #if defined(PRS_CH_CTRL_ASYNC)
AnnaBridge 156:ff21514d8981 115 void PRS_SourceAsyncSignalSet(unsigned int ch,
AnnaBridge 156:ff21514d8981 116 uint32_t source,
AnnaBridge 156:ff21514d8981 117 uint32_t signal);
AnnaBridge 156:ff21514d8981 118 #endif
AnnaBridge 156:ff21514d8981 119
AnnaBridge 156:ff21514d8981 120 /** @} (end addtogroup PRS) */
AnnaBridge 156:ff21514d8981 121 /** @} (end addtogroup emlib) */
AnnaBridge 156:ff21514d8981 122
AnnaBridge 156:ff21514d8981 123 #ifdef __cplusplus
AnnaBridge 156:ff21514d8981 124 }
AnnaBridge 156:ff21514d8981 125 #endif
AnnaBridge 156:ff21514d8981 126
AnnaBridge 156:ff21514d8981 127 #endif /* defined(PRS_COUNT) && (PRS_COUNT > 0) */
AnnaBridge 156:ff21514d8981 128 #endif /* EM_PRS_H */