EFR32 Blue Gecko 13 Software Documentation
efr32bg13-doc-5.1.2
|
Low Energy Sensor (LESENSE) peripheral API.
Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com
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:
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.
Definition in file em_lesense.h.
Go to the source code of this file.
Data Structures | |
struct | LESENSE_AltExDesc_TypeDef |
struct | LESENSE_ChAll_TypeDef |
struct | LESENSE_ChDesc_TypeDef |
struct | LESENSE_ConfAltEx_TypeDef |
struct | LESENSE_CoreCtrlDesc_TypeDef |
struct | LESENSE_DecCtrlDesc_TypeDef |
struct | LESENSE_DecStAll_TypeDef |
struct | LESENSE_DecStCond_TypeDef |
struct | LESENSE_DecStDesc_TypeDef |
struct | LESENSE_Init_TypeDef |
struct | LESENSE_PerCtrlDesc_TypeDef |
struct | LESENSE_TimeCtrlDesc_TypeDef |
Macros | |
#define | LESENSE_ALTEX_CH_CONF_DEFAULT |
#define | LESENSE_ALTEX_CONF_DEFAULT |
#define | LESENSE_CH_CONF_DEFAULT |
#define | LESENSE_CORECTRL_DESC_DEFAULT |
#define | LESENSE_DECCTRL_DESC_DEFAULT |
#define | LESENSE_DECODER_CONF_DEFAULT |
#define | LESENSE_INIT_DEFAULT |
#define | LESENSE_NUM_CHANNELS 16 |
#define | LESENSE_NUM_DECODER_STATES (_LESENSE_DECSTATE_DECSTATE_MASK + 1) |
#define | LESENSE_PERCTRL_DESC_DEFAULT |
#define | LESENSE_SCAN_CONF_DEFAULT |
#define | LESENSE_ST_CONF_DEFAULT |
#define | LESENSE_TIMECTRL_DESC_DEFAULT |
Enumerations | |
enum | LESENSE_AltExMap_TypeDef { lesenseAltExMapALTEX = _LESENSE_CTRL_ALTEXMAP_ALTEX, lesenseAltExMapCH = _LESENSE_CTRL_ALTEXMAP_CH } |
enum | LESENSE_AltExPinIdle_TypeDef { lesenseAltExPinIdleDis = _LESENSE_ALTEXCONF_IDLECONF0_DISABLE, lesenseAltExPinIdleHigh = _LESENSE_ALTEXCONF_IDLECONF0_HIGH, lesenseAltExPinIdleLow = _LESENSE_ALTEXCONF_IDLECONF0_LOW } |
enum | LESENSE_BiasMode_TypeDef { lesenseBiasModeDutyCycle = LESENSE_BIASCTRL_BIASMODE_DUTYCYCLE, lesenseBiasModeHighAcc = LESENSE_BIASCTRL_BIASMODE_HIGHACC, lesenseBiasModeDontTouch = LESENSE_BIASCTRL_BIASMODE_DONTTOUCH } |
enum | LESENSE_BufTrigLevel_TypeDef { lesenseBufTrigHalf = LESENSE_CTRL_BUFIDL_HALFFULL, lesenseBufTrigFull = LESENSE_CTRL_BUFIDL_FULL } |
enum | LESENSE_ChClk_TypeDef { lesenseClkLF = _LESENSE_CH_INTERACT_EXCLK_LFACLK, lesenseClkHF = _LESENSE_CH_INTERACT_EXCLK_AUXHFRCO } |
enum | LESENSE_ChCompMode_TypeDef { lesenseCompModeLess = LESENSE_CH_EVAL_COMP_LESS, lesenseCompModeGreaterOrEq = LESENSE_CH_EVAL_COMP_GE } |
enum | LESENSE_ChEvalMode_TypeDef { lesenseEvalModeThreshold = _LESENSE_CH_EVAL_MODE_THRES, lesenseEvalModeSlidingWindow = _LESENSE_CH_EVAL_MODE_SLIDINGWIN, lesenseEvalModeStepDetection = _LESENSE_CH_EVAL_MODE_STEPDET } |
enum | LESENSE_ChIntMode_TypeDef { lesenseSetIntNone = LESENSE_CH_INTERACT_SETIF_NONE, lesenseSetIntLevel = LESENSE_CH_INTERACT_SETIF_LEVEL, lesenseSetIntPosEdge = LESENSE_CH_INTERACT_SETIF_POSEDGE, lesenseSetIntNegEdge = LESENSE_CH_INTERACT_SETIF_NEGEDGE } |
enum | LESENSE_ChPinExMode_TypeDef { lesenseChPinExDis = LESENSE_CH_INTERACT_EXMODE_DISABLE, lesenseChPinExHigh = LESENSE_CH_INTERACT_EXMODE_HIGH, lesenseChPinExLow = LESENSE_CH_INTERACT_EXMODE_LOW, lesenseChPinExDACOut = LESENSE_CH_INTERACT_EXMODE_DACOUT } |
enum | LESENSE_ChPinIdleMode_TypeDef { lesenseChPinIdleDis = _LESENSE_IDLECONF_CH0_DISABLE, lesenseChPinIdleHigh = _LESENSE_IDLECONF_CH0_HIGH, lesenseChPinIdleLow = _LESENSE_IDLECONF_CH0_LOW, lesenseChPinIdleDACC = _LESENSE_IDLECONF_CH0_DAC } |
enum | LESENSE_ChSampleMode_TypeDef { lesenseSampleModeCounter = 0x0 << _LESENSE_CH_INTERACT_SAMPLE_SHIFT, lesenseSampleModeACMP = LESENSE_CH_INTERACT_SAMPLE_ACMP, lesenseSampleModeADC = LESENSE_CH_INTERACT_SAMPLE_ADC, lesenseSampleModeADCDiff = LESENSE_CH_INTERACT_SAMPLE_ADCDIFF } |
enum | LESENSE_ClkPresc_TypeDef { lesenseClkDiv_1 = 0, lesenseClkDiv_2 = 1, lesenseClkDiv_4 = 2, lesenseClkDiv_8 = 3, lesenseClkDiv_16 = 4, lesenseClkDiv_32 = 5, lesenseClkDiv_64 = 6, lesenseClkDiv_128 = 7 } |
enum | LESENSE_ControlACMP_TypeDef { lesenseACMPModeDisable = _LESENSE_PERCTRL_ACMP0MODE_DISABLE, lesenseACMPModeMux = _LESENSE_PERCTRL_ACMP0MODE_MUX, lesenseACMPModeMuxThres = _LESENSE_PERCTRL_ACMP0MODE_MUXTHRES } |
enum | LESENSE_ControlDACData_TypeDef { lesenseDACIfData = _LESENSE_PERCTRL_DACCH0DATA_DACDATA, lesenseThres = _LESENSE_PERCTRL_DACCH0DATA_THRES } |
enum | LESENSE_DecInput_TypeDef { lesenseDecInputSensorSt = LESENSE_DECCTRL_INPUT_SENSORSTATE, lesenseDecInputPRS = LESENSE_DECCTRL_INPUT_PRS } |
enum | LESENSE_DMAWakeUp_TypeDef { lesenseDMAWakeUpDisable = LESENSE_CTRL_DMAWU_DISABLE, lesenseDMAWakeUpBufValid = LESENSE_CTRL_DMAWU_BUFDATAV, lesenseDMAWakeUpBufLevel = LESENSE_CTRL_DMAWU_BUFLEVEL } |
enum | LESENSE_PRSSel_TypeDef { lesensePRSCh0 = 0, lesensePRSCh1 = 1, lesensePRSCh2 = 2, lesensePRSCh3 = 3, lesensePRSCh4 = 4, lesensePRSCh5 = 5, lesensePRSCh6 = 6, lesensePRSCh7 = 7, lesensePRSCh8 = 8, lesensePRSCh9 = 9, lesensePRSCh10 = 10, lesensePRSCh11 = 11 } |
enum | LESENSE_ScanConfSel_TypeDef { lesenseScanConfDirMap = LESENSE_CTRL_SCANCONF_DIRMAP, lesenseScanConfInvMap = LESENSE_CTRL_SCANCONF_INVMAP, lesenseScanConfToggle = LESENSE_CTRL_SCANCONF_TOGGLE, lesenseScanConfDecDef = LESENSE_CTRL_SCANCONF_DECDEF } |
enum | LESENSE_ScanMode_TypeDef { lesenseScanStartPeriodic = LESENSE_CTRL_SCANMODE_PERIODIC, lesenseScanStartOneShot = LESENSE_CTRL_SCANMODE_ONESHOT, lesenseScanStartPRS = LESENSE_CTRL_SCANMODE_PRS } |
enum | LESENSE_StTransAct_TypeDef { lesenseTransActNone = LESENSE_ST_TCONFA_PRSACT_NONE, lesenseTransActPRS0 = LESENSE_ST_TCONFA_PRSACT_PRS0, lesenseTransActPRS1 = LESENSE_ST_TCONFA_PRSACT_PRS1, lesenseTransActPRS01 = LESENSE_ST_TCONFA_PRSACT_PRS01, lesenseTransActPRS2 = LESENSE_ST_TCONFA_PRSACT_PRS2, lesenseTransActPRS02 = LESENSE_ST_TCONFA_PRSACT_PRS02, lesenseTransActPRS12 = LESENSE_ST_TCONFA_PRSACT_PRS12, lesenseTransActPRS012 = LESENSE_ST_TCONFA_PRSACT_PRS012, lesenseTransActUp = LESENSE_ST_TCONFA_PRSACT_UP, lesenseTransActDown = LESENSE_ST_TCONFA_PRSACT_DOWN, lesenseTransActUpAndPRS2 = LESENSE_ST_TCONFA_PRSACT_UPANDPRS2, lesenseTransActDownAndPRS2 = LESENSE_ST_TCONFA_PRSACT_DOWNANDPRS2 } |
enum | LESENSE_WarmupMode_TypeDef { lesenseWarmupModeNormal = LESENSE_PERCTRL_WARMUPMODE_NORMAL, lesenseWarmupModeACMP = LESENSE_PERCTRL_WARMUPMODE_KEEPACMPWARM, lesenseWarmupModeDAC = LESENSE_PERCTRL_WARMUPMODE_KEEPDACWARM, lesenseWarmupModeKeepWarm = LESENSE_PERCTRL_WARMUPMODE_KEEPACMPDACWARM } |
Functions | |
void | LESENSE_AltExConfig (const LESENSE_ConfAltEx_TypeDef *confAltEx) |
Configure the LESENSE alternate excitation modes. More... | |
__STATIC_INLINE uint32_t | LESENSE_ChannelActiveGet (void) |
Get the currently active channel index. More... | |
void | LESENSE_ChannelAllConfig (const LESENSE_ChAll_TypeDef *confChAll) |
Configure all (16) LESENSE sensor channels. More... | |
void | LESENSE_ChannelConfig (const LESENSE_ChDesc_TypeDef *confCh, uint32_t chIdx) |
Configure a single LESENSE sensor channel. More... | |
void | LESENSE_ChannelEnable (uint8_t chIdx, bool enaScanCh, bool enaPin) |
Enable/disable LESENSE scan channel and the pin assigned to it. More... | |
void | LESENSE_ChannelEnableMask (uint16_t chMask, uint16_t pinMask) |
Enable/disable LESENSE scan channel and the pin assigned to it. More... | |
void | LESENSE_ChannelSlidingWindow (uint8_t chIdx, uint32_t windowSize, uint32_t initValue) |
Configure Sliding Window evaluation mode for a specific channel. More... | |
void | LESENSE_ChannelStepDetection (uint8_t chIdx, uint32_t stepSize, uint32_t initValue) |
Configure step detection evaluation mode for a specific channel. More... | |
void | LESENSE_ChannelThresSet (uint8_t chIdx, uint16_t acmpThres, uint16_t cntThres) |
Set LESENSE channel threshold parameters. More... | |
void | LESENSE_ChannelTimingSet (uint8_t chIdx, uint8_t exTime, uint8_t sampleDelay, uint16_t measDelay) |
Set LESENSE channel timing parameters. More... | |
void | LESENSE_ClkDivSet (LESENSE_ChClk_TypeDef clk, LESENSE_ClkPresc_TypeDef clkDiv) |
Set clock division for LESENSE timers. More... | |
void | LESENSE_DecoderPrsOut (bool enable, uint32_t decMask, uint32_t decVal) |
Enable or disable PRS output from the LESENSE decoder. More... | |
void | LESENSE_DecoderStart (void) |
Start LESENSE decoder. More... | |
void | LESENSE_DecoderStateAllConfig (const LESENSE_DecStAll_TypeDef *confDecStAll) |
Configure all LESENSE decoder states. More... | |
void | LESENSE_DecoderStateConfig (const LESENSE_DecStDesc_TypeDef *confDecSt, uint32_t decSt) |
Configure a single LESENSE decoder state. More... | |
uint32_t | LESENSE_DecoderStateGet (void) |
Get the current state of the LESENSE decoder. More... | |
void | LESENSE_DecoderStateSet (uint32_t decSt) |
Set LESENSE decoder state. More... | |
__STATIC_INLINE void | LESENSE_DecoderStop (void) |
Stop LESENSE decoder. More... | |
void | LESENSE_Init (const LESENSE_Init_TypeDef *init, bool reqReset) |
Initialize the LESENSE module. More... | |
__STATIC_INLINE void | LESENSE_IntClear (uint32_t flags) |
Clear one or more pending LESENSE interrupts. More... | |
__STATIC_INLINE void | LESENSE_IntDisable (uint32_t flags) |
Disable one or more LESENSE interrupts. More... | |
__STATIC_INLINE void | LESENSE_IntEnable (uint32_t flags) |
Enable one or more LESENSE interrupts. More... | |
__STATIC_INLINE uint32_t | LESENSE_IntGet (void) |
Get pending LESENSE interrupt flags. More... | |
__STATIC_INLINE uint32_t | LESENSE_IntGetEnabled (void) |
Get enabled and pending LESENSE interrupt flags. More... | |
__STATIC_INLINE void | LESENSE_IntSet (uint32_t flags) |
Set one or more pending LESENSE interrupts from SW. More... | |
void | LESENSE_Reset (void) |
Reset the LESENSE module. More... | |
void | LESENSE_ResultBufferClear (void) |
Clear result buffer. More... | |
uint32_t | LESENSE_ScanFreqSet (uint32_t refFreq, uint32_t scanFreq) |
Set scan frequency for periodic scanning. More... | |
void | LESENSE_ScanModeSet (LESENSE_ScanMode_TypeDef scanMode, bool start) |
Set scan mode of the LESENSE channels. More... | |
__STATIC_INLINE uint32_t | LESENSE_ScanResultDataBufferGet (uint32_t idx) |
Get data from the result data buffer. More... | |
__STATIC_INLINE uint32_t | LESENSE_ScanResultDataGet (void) |
Get the oldest unread data from the result buffer. More... | |
__STATIC_INLINE uint32_t | LESENSE_ScanResultGet (void) |
Get the latest scan comparison result (1 bit / channel). More... | |
void | LESENSE_ScanStart (void) |
Start scanning of sensors. More... | |
void | LESENSE_ScanStop (void) |
Stop scanning of sensors. More... | |
__STATIC_INLINE uint32_t | LESENSE_SensorStateGet (void) |
Get the current state of the LESENSE sensor. More... | |
void | LESENSE_StartDelaySet (uint8_t startDelay) |
Set start delay of sensor interaction on each channel. More... | |
__STATIC_INLINE uint32_t | LESENSE_StatusGet (void) |
Get the current status of LESENSE. More... | |
__STATIC_INLINE void | LESENSE_StatusWait (uint32_t flag) |
Wait until the status of LESENSE is equal to what requested. More... | |
void | LESENSE_StepSizeSet (uint32_t stepSize) |
Set the step size for all LESENSE channels. More... | |
void | LESENSE_WindowSizeSet (uint32_t windowSize) |
Set the window size for all LESENSE channels. More... | |