The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.
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mbed 2
This is the mbed 2 library. If you'd like to learn about Mbed OS please see the mbed-os docs.
Diff: TARGET_EFM32WG_STK3800/TARGET_Silicon_Labs/TARGET_EFM32/emlib/inc/em_prs.h
- Revision:
- 156:ff21514d8981
- Child:
- 159:7130f322cb7e
diff -r 6a2de7bb4449 -r ff21514d8981 TARGET_EFM32WG_STK3800/TARGET_Silicon_Labs/TARGET_EFM32/emlib/inc/em_prs.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TARGET_EFM32WG_STK3800/TARGET_Silicon_Labs/TARGET_EFM32/emlib/inc/em_prs.h Wed Nov 08 17:18:06 2017 +0000 @@ -0,0 +1,130 @@ +/***************************************************************************//** + * @file em_prs.h + * @brief Peripheral Reflex System (PRS) peripheral API + * @version 5.1.2 + ******************************************************************************* + * @section License + * <b>Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com</b> + ******************************************************************************* + * + * Permission is granted to anyone to use this software for any purpose, + * including commercial applications, and to alter it and redistribute it + * freely, subject to the following restrictions: + * + * 1. The origin of this software must not be misrepresented; you must not + * claim that you wrote the original software. + * 2. Altered source versions must be plainly marked as such, and must not be + * misrepresented as being the original software. + * 3. This notice may not be removed or altered from any source distribution. + * + * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no + * obligation to support this Software. Silicon Labs is providing the + * Software "AS IS", with no express or implied warranties of any kind, + * including, but not limited to, any implied warranties of merchantability + * or fitness for any particular purpose or warranties against infringement + * of any proprietary rights of a third party. + * + * Silicon Labs will not be liable for any consequential, incidental, or + * special damages, or any other relief, or for any claim by any third party, + * arising from your use of this Software. + * + ******************************************************************************/ + +#ifndef EM_PRS_H +#define EM_PRS_H + +#include "em_device.h" +#if defined(PRS_COUNT) && (PRS_COUNT > 0) + +#ifdef __cplusplus +extern "C" { +#endif + +/***************************************************************************//** + * @addtogroup emlib + * @{ + ******************************************************************************/ + +/***************************************************************************//** + * @addtogroup PRS + * @{ + ******************************************************************************/ + +/******************************************************************************* + ******************************** ENUMS ************************************ + ******************************************************************************/ + +/** Edge detection type. */ +typedef enum +{ + prsEdgeOff = PRS_CH_CTRL_EDSEL_OFF, /**< Leave signal as is. */ + prsEdgePos = PRS_CH_CTRL_EDSEL_POSEDGE, /**< Generate pules on positive edge. */ + prsEdgeNeg = PRS_CH_CTRL_EDSEL_NEGEDGE, /**< Generate pules on negative edge. */ + prsEdgeBoth = PRS_CH_CTRL_EDSEL_BOTHEDGES /**< Generate pules on both edges. */ +} PRS_Edge_TypeDef; + +/******************************************************************************* + ***************************** PROTOTYPES ********************************** + ******************************************************************************/ + +/***************************************************************************//** + * @brief + * Set level control bit for one or more channels. + * + * @details + * The level value for a channel is XORed with both the pulse possible issued + * by PRS_PulseTrigger() and the PRS input signal selected for the channel(s). + * + * @param[in] level + * Level to use for channels indicated by @p mask. Use logical OR combination + * of PRS_SWLEVEL_CHnLEVEL defines for channels to set high level, otherwise 0. + * + * @param[in] mask + * Mask indicating which channels to set level for. Use logical OR combination + * of PRS_SWLEVEL_CHnLEVEL defines. + ******************************************************************************/ +__STATIC_INLINE void PRS_LevelSet(uint32_t level, uint32_t mask) +{ + PRS->SWLEVEL = (PRS->SWLEVEL & ~mask) | (level & mask); +} + + +/***************************************************************************//** + * @brief + * Trigger a high pulse (one HFPERCLK) for one or more channels. + * + * @details + * Setting a bit for a channel causes the bit in the register to remain high + * for one HFPERCLK cycle. The pulse is XORed with both the corresponding bit + * in PRS SWLEVEL register and the PRS input signal selected for the + * channel(s). + * + * @param[in] channels + * Logical ORed combination of channels to trigger a pulse for. Use + * PRS_SWPULSE_CHnPULSE defines. + ******************************************************************************/ +__STATIC_INLINE void PRS_PulseTrigger(uint32_t channels) +{ + PRS->SWPULSE = channels & _PRS_SWPULSE_MASK; +} + +void PRS_SourceSignalSet(unsigned int ch, + uint32_t source, + uint32_t signal, + PRS_Edge_TypeDef edge); + +#if defined( PRS_CH_CTRL_ASYNC ) +void PRS_SourceAsyncSignalSet(unsigned int ch, + uint32_t source, + uint32_t signal); +#endif + +/** @} (end addtogroup PRS) */ +/** @} (end addtogroup emlib) */ + +#ifdef __cplusplus +} +#endif + +#endif /* defined(PRS_COUNT) && (PRS_COUNT > 0) */ +#endif /* EM_PRS_H */