Toyomasa Watarai / mbed-dev-lpcx1769

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Fork of mbed-dev by mbed official

targets/hal/TARGET_Silicon_Labs/TARGET_EFM32/emlib/inc/em_lesense.h@50:a417edff4437, 2016-01-15 (annotated)

Committer:
mbed_official
Date:
Fri Jan 15 07:45:16 2016 +0000
Revision:
50:a417edff4437
Parent:
0:9b334a45a8ff
Child:
144:ef7eb2e8f9f7
Synchronized with git revision 6010f32619bfcbb01cc73747d4ff9040863482d9



Full URL: https://github.com/mbedmicro/mbed/commit/6010f32619bfcbb01cc73747d4ff9040863482d9/



Remove doubling of buffer size in realiseEndpoint()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
bogdanm 0:9b334a45a8ff 1 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 2 * @file em_lesense.h
bogdanm 0:9b334a45a8ff 3 * @brief Low Energy Sensor (LESENSE) peripheral API
mbed_official 50:a417edff4437 4 * @version 4.2.1
bogdanm 0:9b334a45a8ff 5 *******************************************************************************
bogdanm 0:9b334a45a8ff 6 * @section License
mbed_official 50:a417edff4437 7 * <b>(C) Copyright 2015 Silicon Labs, http://www.silabs.com</b>
bogdanm 0:9b334a45a8ff 8 *******************************************************************************
bogdanm 0:9b334a45a8ff 9 *
bogdanm 0:9b334a45a8ff 10 * Permission is granted to anyone to use this software for any purpose,
bogdanm 0:9b334a45a8ff 11 * including commercial applications, and to alter it and redistribute it
bogdanm 0:9b334a45a8ff 12 * freely, subject to the following restrictions:
bogdanm 0:9b334a45a8ff 13 *
bogdanm 0:9b334a45a8ff 14 * 1. The origin of this software must not be misrepresented; you must not
bogdanm 0:9b334a45a8ff 15 * claim that you wrote the original software.
bogdanm 0:9b334a45a8ff 16 * 2. Altered source versions must be plainly marked as such, and must not be
bogdanm 0:9b334a45a8ff 17 * misrepresented as being the original software.
bogdanm 0:9b334a45a8ff 18 * 3. This notice may not be removed or altered from any source distribution.
bogdanm 0:9b334a45a8ff 19 *
bogdanm 0:9b334a45a8ff 20 * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
bogdanm 0:9b334a45a8ff 21 * obligation to support this Software. Silicon Labs is providing the
bogdanm 0:9b334a45a8ff 22 * Software "AS IS", with no express or implied warranties of any kind,
bogdanm 0:9b334a45a8ff 23 * including, but not limited to, any implied warranties of merchantability
bogdanm 0:9b334a45a8ff 24 * or fitness for any particular purpose or warranties against infringement
bogdanm 0:9b334a45a8ff 25 * of any proprietary rights of a third party.
bogdanm 0:9b334a45a8ff 26 *
bogdanm 0:9b334a45a8ff 27 * Silicon Labs will not be liable for any consequential, incidental, or
bogdanm 0:9b334a45a8ff 28 * special damages, or any other relief, or for any claim by any third party,
bogdanm 0:9b334a45a8ff 29 * arising from your use of this Software.
bogdanm 0:9b334a45a8ff 30 *
bogdanm 0:9b334a45a8ff 31 ******************************************************************************/
bogdanm 0:9b334a45a8ff 32
mbed_official 50:a417edff4437 33 #ifndef __SILICON_LABS_EM_LESENSE_H__
mbed_official 50:a417edff4437 34 #define __SILICON_LABS_EM_LESENSE_H__
bogdanm 0:9b334a45a8ff 35
bogdanm 0:9b334a45a8ff 36 #include "em_device.h"
bogdanm 0:9b334a45a8ff 37
bogdanm 0:9b334a45a8ff 38 #if defined(LESENSE_COUNT) && (LESENSE_COUNT > 0)
bogdanm 0:9b334a45a8ff 39 #include <stdint.h>
bogdanm 0:9b334a45a8ff 40 #include <stdbool.h>
bogdanm 0:9b334a45a8ff 41
bogdanm 0:9b334a45a8ff 42 #ifdef __cplusplus
bogdanm 0:9b334a45a8ff 43 extern "C" {
bogdanm 0:9b334a45a8ff 44 #endif
bogdanm 0:9b334a45a8ff 45
bogdanm 0:9b334a45a8ff 46
bogdanm 0:9b334a45a8ff 47 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 48 * @addtogroup EM_Library
bogdanm 0:9b334a45a8ff 49 * @{
bogdanm 0:9b334a45a8ff 50 ******************************************************************************/
bogdanm 0:9b334a45a8ff 51
bogdanm 0:9b334a45a8ff 52 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 53 * @addtogroup LESENSE
bogdanm 0:9b334a45a8ff 54 * @{
bogdanm 0:9b334a45a8ff 55 ******************************************************************************/
bogdanm 0:9b334a45a8ff 56
bogdanm 0:9b334a45a8ff 57 /** @cond DO_NOT_INCLUDE_WITH_DOXYGEN */
bogdanm 0:9b334a45a8ff 58
bogdanm 0:9b334a45a8ff 59
bogdanm 0:9b334a45a8ff 60
bogdanm 0:9b334a45a8ff 61 /** @endcond */
bogdanm 0:9b334a45a8ff 62
bogdanm 0:9b334a45a8ff 63 /*******************************************************************************
bogdanm 0:9b334a45a8ff 64 ******************************** ENUMS ************************************
bogdanm 0:9b334a45a8ff 65 ******************************************************************************/
bogdanm 0:9b334a45a8ff 66
bogdanm 0:9b334a45a8ff 67 /** Clock divisors for controlling the prescaling factor of the period
bogdanm 0:9b334a45a8ff 68 * counter.
bogdanm 0:9b334a45a8ff 69 * Note: these enumeration values are being used for different clock division
bogdanm 0:9b334a45a8ff 70 * related configuration parameters (hfPresc, lfPresc, pcPresc). */
bogdanm 0:9b334a45a8ff 71 typedef enum
bogdanm 0:9b334a45a8ff 72 {
bogdanm 0:9b334a45a8ff 73 lesenseClkDiv_1 = 0, /**< Divide clock by 1. */
bogdanm 0:9b334a45a8ff 74 lesenseClkDiv_2 = 1, /**< Divide clock by 2. */
bogdanm 0:9b334a45a8ff 75 lesenseClkDiv_4 = 2, /**< Divide clock by 4. */
bogdanm 0:9b334a45a8ff 76 lesenseClkDiv_8 = 3, /**< Divide clock by 8. */
bogdanm 0:9b334a45a8ff 77 lesenseClkDiv_16 = 4, /**< Divide clock by 16. */
bogdanm 0:9b334a45a8ff 78 lesenseClkDiv_32 = 5, /**< Divide clock by 32. */
bogdanm 0:9b334a45a8ff 79 lesenseClkDiv_64 = 6, /**< Divide clock by 64. */
bogdanm 0:9b334a45a8ff 80 lesenseClkDiv_128 = 7 /**< Divide clock by 128. */
bogdanm 0:9b334a45a8ff 81 } LESENSE_ClkPresc_TypeDef;
bogdanm 0:9b334a45a8ff 82
bogdanm 0:9b334a45a8ff 83
bogdanm 0:9b334a45a8ff 84 /** Scan modes. */
bogdanm 0:9b334a45a8ff 85 typedef enum
bogdanm 0:9b334a45a8ff 86 {
bogdanm 0:9b334a45a8ff 87 /** New scan is started each time the period counter overflows. */
bogdanm 0:9b334a45a8ff 88 lesenseScanStartPeriodic = LESENSE_CTRL_SCANMODE_PERIODIC,
bogdanm 0:9b334a45a8ff 89
bogdanm 0:9b334a45a8ff 90 /** Single scan is performed when LESENSE_ScanStart() is called. */
bogdanm 0:9b334a45a8ff 91 lesenseScanStartOneShot = LESENSE_CTRL_SCANMODE_ONESHOT,
bogdanm 0:9b334a45a8ff 92
bogdanm 0:9b334a45a8ff 93 /** New scan is triggered by pulse on PRS channel. */
bogdanm 0:9b334a45a8ff 94 lesenseScanStartPRS = LESENSE_CTRL_SCANMODE_PRS
bogdanm 0:9b334a45a8ff 95 } LESENSE_ScanMode_TypeDef;
bogdanm 0:9b334a45a8ff 96
bogdanm 0:9b334a45a8ff 97
bogdanm 0:9b334a45a8ff 98 /** PRS sources.
bogdanm 0:9b334a45a8ff 99 * Note: these enumeration values are being used for different PRS related
bogdanm 0:9b334a45a8ff 100 * configuration parameters. */
bogdanm 0:9b334a45a8ff 101 typedef enum
bogdanm 0:9b334a45a8ff 102 {
bogdanm 0:9b334a45a8ff 103 lesensePRSCh0 = 0, /**< PRS channel 0. */
bogdanm 0:9b334a45a8ff 104 lesensePRSCh1 = 1, /**< PRS channel 1. */
bogdanm 0:9b334a45a8ff 105 lesensePRSCh2 = 2, /**< PRS channel 2. */
bogdanm 0:9b334a45a8ff 106 lesensePRSCh3 = 3, /**< PRS channel 3. */
bogdanm 0:9b334a45a8ff 107 #if defined( LESENSE_CTRL_PRSSEL_PRSCH4 )
bogdanm 0:9b334a45a8ff 108 lesensePRSCh4 = 4, /**< PRS channel 4. */
bogdanm 0:9b334a45a8ff 109 #endif
bogdanm 0:9b334a45a8ff 110 #if defined( LESENSE_CTRL_PRSSEL_PRSCH5 )
bogdanm 0:9b334a45a8ff 111 lesensePRSCh5 = 5, /**< PRS channel 5. */
bogdanm 0:9b334a45a8ff 112 #endif
bogdanm 0:9b334a45a8ff 113 #if defined( LESENSE_CTRL_PRSSEL_PRSCH6 )
bogdanm 0:9b334a45a8ff 114 lesensePRSCh6 = 6, /**< PRS channel 6. */
bogdanm 0:9b334a45a8ff 115 #endif
bogdanm 0:9b334a45a8ff 116 #if defined( LESENSE_CTRL_PRSSEL_PRSCH7 )
bogdanm 0:9b334a45a8ff 117 lesensePRSCh7 = 7, /**< PRS channel 7. */
bogdanm 0:9b334a45a8ff 118 #endif
bogdanm 0:9b334a45a8ff 119 #if defined( LESENSE_CTRL_PRSSEL_PRSCH8 )
bogdanm 0:9b334a45a8ff 120 lesensePRSCh8 = 8, /**< PRS channel 8. */
bogdanm 0:9b334a45a8ff 121 #endif
bogdanm 0:9b334a45a8ff 122 #if defined( LESENSE_CTRL_PRSSEL_PRSCH9 )
bogdanm 0:9b334a45a8ff 123 lesensePRSCh9 = 9, /**< PRS channel 9. */
bogdanm 0:9b334a45a8ff 124 #endif
bogdanm 0:9b334a45a8ff 125 #if defined( LESENSE_CTRL_PRSSEL_PRSCH10 )
bogdanm 0:9b334a45a8ff 126 lesensePRSCh10 = 10, /**< PRS channel 10.*/
bogdanm 0:9b334a45a8ff 127 #endif
bogdanm 0:9b334a45a8ff 128 #if defined( LESENSE_CTRL_PRSSEL_PRSCH11 )
bogdanm 0:9b334a45a8ff 129 lesensePRSCh11 = 11, /**< PRS channel 11.*/
bogdanm 0:9b334a45a8ff 130 #endif
bogdanm 0:9b334a45a8ff 131 } LESENSE_PRSSel_TypeDef;
bogdanm 0:9b334a45a8ff 132
bogdanm 0:9b334a45a8ff 133
bogdanm 0:9b334a45a8ff 134 /** Locations of the alternate excitation function. */
bogdanm 0:9b334a45a8ff 135 typedef enum
bogdanm 0:9b334a45a8ff 136 {
bogdanm 0:9b334a45a8ff 137 /** Alternate excitation is mapped to the LES_ALTEX pins. */
bogdanm 0:9b334a45a8ff 138 lesenseAltExMapALTEX = _LESENSE_CTRL_ALTEXMAP_ALTEX,
bogdanm 0:9b334a45a8ff 139
bogdanm 0:9b334a45a8ff 140 /** Alternate excitation is mapped to the pins of the other ACMP. */
bogdanm 0:9b334a45a8ff 141 lesenseAltExMapACMP = _LESENSE_CTRL_ALTEXMAP_ACMP
bogdanm 0:9b334a45a8ff 142 } LESENSE_AltExMap_TypeDef;
bogdanm 0:9b334a45a8ff 143
bogdanm 0:9b334a45a8ff 144
bogdanm 0:9b334a45a8ff 145 /** Result buffer interrupt and DMA trigger levels. */
bogdanm 0:9b334a45a8ff 146 typedef enum
bogdanm 0:9b334a45a8ff 147 {
bogdanm 0:9b334a45a8ff 148 /** DMA and interrupt flags are set when result buffer is halffull. */
bogdanm 0:9b334a45a8ff 149 lesenseBufTrigHalf = LESENSE_CTRL_BUFIDL_HALFFULL,
bogdanm 0:9b334a45a8ff 150
bogdanm 0:9b334a45a8ff 151 /** DMA and interrupt flags set when result buffer is full. */
bogdanm 0:9b334a45a8ff 152 lesenseBufTrigFull = LESENSE_CTRL_BUFIDL_FULL
bogdanm 0:9b334a45a8ff 153 } LESENSE_BufTrigLevel_TypeDef;
bogdanm 0:9b334a45a8ff 154
bogdanm 0:9b334a45a8ff 155
bogdanm 0:9b334a45a8ff 156 /** Modes of operation for DMA wakeup from EM2. */
bogdanm 0:9b334a45a8ff 157 typedef enum
bogdanm 0:9b334a45a8ff 158 {
bogdanm 0:9b334a45a8ff 159 /** No DMA wakeup from EM2. */
bogdanm 0:9b334a45a8ff 160 lesenseDMAWakeUpDisable = LESENSE_CTRL_DMAWU_DISABLE,
bogdanm 0:9b334a45a8ff 161
bogdanm 0:9b334a45a8ff 162 /** DMA wakeup from EM2 when data is valid in the result buffer. */
bogdanm 0:9b334a45a8ff 163 lesenseDMAWakeUpBufValid = LESENSE_CTRL_DMAWU_BUFDATAV,
bogdanm 0:9b334a45a8ff 164
bogdanm 0:9b334a45a8ff 165 /** DMA wakeup from EM2 when the resultbuffer is full/halffull, depending on
bogdanm 0:9b334a45a8ff 166 * RESBIDL configuration in LESENSE_CTRL register (selected by
bogdanm 0:9b334a45a8ff 167 * resBufTrigLevel in LESENSE_ResBufTrigLevel_TypeDef descriptor structure). */
bogdanm 0:9b334a45a8ff 168 lesenseDMAWakeUpBufLevel = LESENSE_CTRL_DMAWU_BUFLEVEL
bogdanm 0:9b334a45a8ff 169 } LESENSE_DMAWakeUp_TypeDef;
bogdanm 0:9b334a45a8ff 170
bogdanm 0:9b334a45a8ff 171
bogdanm 0:9b334a45a8ff 172 /** Bias modes. */
bogdanm 0:9b334a45a8ff 173 typedef enum
bogdanm 0:9b334a45a8ff 174 {
bogdanm 0:9b334a45a8ff 175 /** Duty cycle bias module between low power and high accuracy mode. */
bogdanm 0:9b334a45a8ff 176 lesenseBiasModeDutyCycle = LESENSE_BIASCTRL_BIASMODE_DUTYCYCLE,
bogdanm 0:9b334a45a8ff 177
bogdanm 0:9b334a45a8ff 178 /** Bias module is always in high accuracy mode. */
bogdanm 0:9b334a45a8ff 179 lesenseBiasModeHighAcc = LESENSE_BIASCTRL_BIASMODE_HIGHACC,
bogdanm 0:9b334a45a8ff 180
bogdanm 0:9b334a45a8ff 181 /** Bias module is controlled by the EMU and not affected by LESENSE. */
bogdanm 0:9b334a45a8ff 182 lesenseBiasModeDontTouch = LESENSE_BIASCTRL_BIASMODE_DONTTOUCH
bogdanm 0:9b334a45a8ff 183 } LESENSE_BiasMode_TypeDef;
bogdanm 0:9b334a45a8ff 184
bogdanm 0:9b334a45a8ff 185
bogdanm 0:9b334a45a8ff 186 /** Scan configuration. */
bogdanm 0:9b334a45a8ff 187 typedef enum
bogdanm 0:9b334a45a8ff 188 {
bogdanm 0:9b334a45a8ff 189 /** The channel configuration registers (CHx_CONF) used are directly mapped to
bogdanm 0:9b334a45a8ff 190 * the channel number. */
bogdanm 0:9b334a45a8ff 191 lesenseScanConfDirMap = LESENSE_CTRL_SCANCONF_DIRMAP,
bogdanm 0:9b334a45a8ff 192
bogdanm 0:9b334a45a8ff 193 /** The channel configuration registers used are CHx+8_CONF for channels 0-7
bogdanm 0:9b334a45a8ff 194 * and CHx-8_CONF for channels 8-15. */
bogdanm 0:9b334a45a8ff 195 lesenseScanConfInvMap = LESENSE_CTRL_SCANCONF_INVMAP,
bogdanm 0:9b334a45a8ff 196
bogdanm 0:9b334a45a8ff 197 /** The channel configuration registers used toggles between CHX_SCANCONF and
bogdanm 0:9b334a45a8ff 198 * CHX+8_SCANCONF when channel x triggers. */
bogdanm 0:9b334a45a8ff 199 lesenseScanConfToggle = LESENSE_CTRL_SCANCONF_TOGGLE,
bogdanm 0:9b334a45a8ff 200
bogdanm 0:9b334a45a8ff 201 /** The decoder state defines the channel configuration register (CHx_CONF) to
bogdanm 0:9b334a45a8ff 202 * be used. */
bogdanm 0:9b334a45a8ff 203 lesenseScanConfDecDef = LESENSE_CTRL_SCANCONF_DECDEF
bogdanm 0:9b334a45a8ff 204 } LESENSE_ScanConfSel_TypeDef;
bogdanm 0:9b334a45a8ff 205
bogdanm 0:9b334a45a8ff 206
bogdanm 0:9b334a45a8ff 207 /** DAC CHx data control configuration. */
bogdanm 0:9b334a45a8ff 208 typedef enum
bogdanm 0:9b334a45a8ff 209 {
bogdanm 0:9b334a45a8ff 210 /** DAC channel x data is defined by DAC_CHxDATA register.
bogdanm 0:9b334a45a8ff 211 * Note: this value could be used for both DAC Ch0 and Ch1. */
bogdanm 0:9b334a45a8ff 212 lesenseDACIfData = _LESENSE_PERCTRL_DACCH0DATA_DACDATA,
bogdanm 0:9b334a45a8ff 213
bogdanm 0:9b334a45a8ff 214 /** DAC channel x data is defined by ACMPTHRES in LESENSE_CHx_INTERACT.
bogdanm 0:9b334a45a8ff 215 * Note: this value could be used for both DAC Ch0 and Ch1. */
bogdanm 0:9b334a45a8ff 216 lesenseACMPThres = _LESENSE_PERCTRL_DACCH0DATA_ACMPTHRES
bogdanm 0:9b334a45a8ff 217 } LESENSE_ControlDACData_TypeDef;
bogdanm 0:9b334a45a8ff 218
bogdanm 0:9b334a45a8ff 219
bogdanm 0:9b334a45a8ff 220 /** DAC channel x conversion mode configuration. */
bogdanm 0:9b334a45a8ff 221 typedef enum
bogdanm 0:9b334a45a8ff 222 {
bogdanm 0:9b334a45a8ff 223 /** LESENSE doesn't control DAC channel x.
bogdanm 0:9b334a45a8ff 224 * Note: this value could be used for both DAC Ch0 and Ch1. */
bogdanm 0:9b334a45a8ff 225 lesenseDACConvModeDisable = _LESENSE_PERCTRL_DACCH0CONV_DISABLE,
bogdanm 0:9b334a45a8ff 226
bogdanm 0:9b334a45a8ff 227 /** DAC channel x is driven in continuous mode.
bogdanm 0:9b334a45a8ff 228 * Note: this value could be used for both DAC Ch0 and Ch1. */
bogdanm 0:9b334a45a8ff 229 lesenseDACConvModeContinuous = _LESENSE_PERCTRL_DACCH0CONV_CONTINUOUS,
bogdanm 0:9b334a45a8ff 230
bogdanm 0:9b334a45a8ff 231 /** DAC channel x is driven in sample hold mode.
bogdanm 0:9b334a45a8ff 232 * Note: this value could be used for both DAC Ch0 and Ch1. */
bogdanm 0:9b334a45a8ff 233 lesenseDACConvModeSampleHold = _LESENSE_PERCTRL_DACCH0CONV_SAMPLEHOLD,
bogdanm 0:9b334a45a8ff 234
bogdanm 0:9b334a45a8ff 235 /** DAC channel x is driven in sample off mode.
bogdanm 0:9b334a45a8ff 236 * Note: this value could be used for both DAC Ch0 and Ch1. */
bogdanm 0:9b334a45a8ff 237 lesenseDACConvModeSampleOff = _LESENSE_PERCTRL_DACCH0CONV_SAMPLEOFF
bogdanm 0:9b334a45a8ff 238 } LESENSE_ControlDACConv_TypeDef;
bogdanm 0:9b334a45a8ff 239
bogdanm 0:9b334a45a8ff 240
bogdanm 0:9b334a45a8ff 241 /** DAC channel x output mode configuration. */
bogdanm 0:9b334a45a8ff 242 typedef enum
bogdanm 0:9b334a45a8ff 243 {
bogdanm 0:9b334a45a8ff 244 /** DAC CHx output to pin and ACMP/ADC disabled.
bogdanm 0:9b334a45a8ff 245 * Note: this value could be used for both DAC Ch0 and Ch1. */
bogdanm 0:9b334a45a8ff 246 lesenseDACOutModeDisable = _LESENSE_PERCTRL_DACCH0OUT_DISABLE,
bogdanm 0:9b334a45a8ff 247
bogdanm 0:9b334a45a8ff 248 /** DAC CHx output to pin enabled, output to ADC and ACMP disabled.
bogdanm 0:9b334a45a8ff 249 * Note: this value could be used for both DAC Ch0 and Ch1. */
bogdanm 0:9b334a45a8ff 250 lesenseDACOutModePin = _LESENSE_PERCTRL_DACCH0OUT_PIN,
bogdanm 0:9b334a45a8ff 251
bogdanm 0:9b334a45a8ff 252 /** DAC CHx output to pin disabled, output to ADC and ACMP enabled.
bogdanm 0:9b334a45a8ff 253 * Note: this value could be used for both DAC Ch0 and Ch1. */
bogdanm 0:9b334a45a8ff 254 lesenseDACOutModeADCACMP = _LESENSE_PERCTRL_DACCH0OUT_ADCACMP,
bogdanm 0:9b334a45a8ff 255
bogdanm 0:9b334a45a8ff 256 /** DAC CHx output to pin, ADC, and ACMP enabled.
bogdanm 0:9b334a45a8ff 257 * Note: this value could be used for both DAC Ch0 and Ch1. */
bogdanm 0:9b334a45a8ff 258 lesenseDACOutModePinADCACMP = _LESENSE_PERCTRL_DACCH0OUT_PINADCACMP
bogdanm 0:9b334a45a8ff 259 } LESENSE_ControlDACOut_TypeDef;
bogdanm 0:9b334a45a8ff 260
bogdanm 0:9b334a45a8ff 261
bogdanm 0:9b334a45a8ff 262 /** DAC reference configuration. */
bogdanm 0:9b334a45a8ff 263 typedef enum
bogdanm 0:9b334a45a8ff 264 {
bogdanm 0:9b334a45a8ff 265 /** DAC uses VDD reference. */
bogdanm 0:9b334a45a8ff 266 lesenseDACRefVdd = LESENSE_PERCTRL_DACREF_VDD,
bogdanm 0:9b334a45a8ff 267
bogdanm 0:9b334a45a8ff 268 /** DAC uses bandgap reference. */
bogdanm 0:9b334a45a8ff 269 lesenseDACRefBandGap = LESENSE_PERCTRL_DACREF_BANDGAP
bogdanm 0:9b334a45a8ff 270 } LESENSE_DACRef_TypeDef;
bogdanm 0:9b334a45a8ff 271
bogdanm 0:9b334a45a8ff 272
bogdanm 0:9b334a45a8ff 273 /** ACMPx control configuration. */
bogdanm 0:9b334a45a8ff 274 typedef enum
bogdanm 0:9b334a45a8ff 275 {
bogdanm 0:9b334a45a8ff 276 /** LESENSE does not control the ACMPx.
bogdanm 0:9b334a45a8ff 277 * Note: this value could be used for both ACMP0 and ACMP1. */
bogdanm 0:9b334a45a8ff 278 lesenseACMPModeDisable = _LESENSE_PERCTRL_ACMP0MODE_DISABLE,
bogdanm 0:9b334a45a8ff 279
bogdanm 0:9b334a45a8ff 280 /** LESENSE controls the input mux of ACMPx.
bogdanm 0:9b334a45a8ff 281 * Note: this value could be used for both ACMP0 and ACMP1. */
bogdanm 0:9b334a45a8ff 282 lesenseACMPModeMux = _LESENSE_PERCTRL_ACMP0MODE_MUX,
bogdanm 0:9b334a45a8ff 283
bogdanm 0:9b334a45a8ff 284 /** LESENSE controls the input mux of and the threshold value of ACMPx.
bogdanm 0:9b334a45a8ff 285 * Note: this value could be used for both ACMP0 and ACMP1. */
bogdanm 0:9b334a45a8ff 286 lesenseACMPModeMuxThres = _LESENSE_PERCTRL_ACMP0MODE_MUXTHRES
bogdanm 0:9b334a45a8ff 287 } LESENSE_ControlACMP_TypeDef;
bogdanm 0:9b334a45a8ff 288
bogdanm 0:9b334a45a8ff 289
bogdanm 0:9b334a45a8ff 290 /** Warm up modes. ACMP and DAC duty cycle mode configuration. */
bogdanm 0:9b334a45a8ff 291 typedef enum
bogdanm 0:9b334a45a8ff 292 {
bogdanm 0:9b334a45a8ff 293 /** ACMPs and DACs are shut down when LESENSE is idle. */
bogdanm 0:9b334a45a8ff 294 lesenseWarmupModeNormal = LESENSE_PERCTRL_WARMUPMODE_NORMAL,
bogdanm 0:9b334a45a8ff 295
bogdanm 0:9b334a45a8ff 296 /** ACMPs are kept powered up when LESENSE is idle. */
bogdanm 0:9b334a45a8ff 297 lesenseWarmupModeACMP = LESENSE_PERCTRL_WARMUPMODE_KEEPACMPWARM,
bogdanm 0:9b334a45a8ff 298
bogdanm 0:9b334a45a8ff 299 /** The DAC is kept powered up when LESENSE is idle. */
bogdanm 0:9b334a45a8ff 300 lesenseWarmupModeDAC = LESENSE_PERCTRL_WARMUPMODE_KEEPDACWARM,
bogdanm 0:9b334a45a8ff 301
bogdanm 0:9b334a45a8ff 302 /** ACMPs and the DAC are kept powered up when LESENSE is idle. */
bogdanm 0:9b334a45a8ff 303 lesenseWarmupModeKeepWarm = LESENSE_PERCTRL_WARMUPMODE_KEEPACMPDACWARM
bogdanm 0:9b334a45a8ff 304 } LESENSE_WarmupMode_TypeDef;
bogdanm 0:9b334a45a8ff 305
bogdanm 0:9b334a45a8ff 306
bogdanm 0:9b334a45a8ff 307 /** Decoder input source configuration. */
bogdanm 0:9b334a45a8ff 308 typedef enum
bogdanm 0:9b334a45a8ff 309 {
bogdanm 0:9b334a45a8ff 310 /** The SENSORSTATE register is used as input to the decoder. */
bogdanm 0:9b334a45a8ff 311 lesenseDecInputSensorSt = LESENSE_DECCTRL_INPUT_SENSORSTATE,
bogdanm 0:9b334a45a8ff 312
bogdanm 0:9b334a45a8ff 313 /** PRS channels are used as input to the decoder. */
bogdanm 0:9b334a45a8ff 314 lesenseDecInputPRS = LESENSE_DECCTRL_INPUT_PRS
bogdanm 0:9b334a45a8ff 315 } LESENSE_DecInput_TypeDef;
bogdanm 0:9b334a45a8ff 316
bogdanm 0:9b334a45a8ff 317
bogdanm 0:9b334a45a8ff 318 /** Compare source selection for sensor sampling. */
bogdanm 0:9b334a45a8ff 319 typedef enum
bogdanm 0:9b334a45a8ff 320 {
bogdanm 0:9b334a45a8ff 321 /** Counter output will be used in comparison. */
bogdanm 0:9b334a45a8ff 322 lesenseSampleModeCounter = LESENSE_CH_INTERACT_SAMPLE_COUNTER,
bogdanm 0:9b334a45a8ff 323
bogdanm 0:9b334a45a8ff 324 /** ACMP output will be used in comparison. */
bogdanm 0:9b334a45a8ff 325 lesenseSampleModeACMP = LESENSE_CH_INTERACT_SAMPLE_ACMP
bogdanm 0:9b334a45a8ff 326 } LESENSE_ChSampleMode_TypeDef;
bogdanm 0:9b334a45a8ff 327
bogdanm 0:9b334a45a8ff 328
bogdanm 0:9b334a45a8ff 329 /** Interrupt generation setup for CHx interrupt flag. */
bogdanm 0:9b334a45a8ff 330 typedef enum
bogdanm 0:9b334a45a8ff 331 {
bogdanm 0:9b334a45a8ff 332 /** No interrupt is generated. */
bogdanm 0:9b334a45a8ff 333 lesenseSetIntNone = LESENSE_CH_INTERACT_SETIF_NONE,
bogdanm 0:9b334a45a8ff 334
bogdanm 0:9b334a45a8ff 335 /** Set interrupt flag if the sensor triggers. */
bogdanm 0:9b334a45a8ff 336 lesenseSetIntLevel = LESENSE_CH_INTERACT_SETIF_LEVEL,
bogdanm 0:9b334a45a8ff 337
bogdanm 0:9b334a45a8ff 338 /** Set interrupt flag on positive edge of the sensor state. */
bogdanm 0:9b334a45a8ff 339 lesenseSetIntPosEdge = LESENSE_CH_INTERACT_SETIF_POSEDGE,
bogdanm 0:9b334a45a8ff 340
bogdanm 0:9b334a45a8ff 341 /** Set interrupt flag on negative edge of the sensor state. */
bogdanm 0:9b334a45a8ff 342 lesenseSetIntNegEdge = LESENSE_CH_INTERACT_SETIF_NEGEDGE
bogdanm 0:9b334a45a8ff 343 } LESENSE_ChIntMode_TypeDef;
bogdanm 0:9b334a45a8ff 344
bogdanm 0:9b334a45a8ff 345
bogdanm 0:9b334a45a8ff 346 /** Channel pin mode for the excitation phase of the scan sequence. */
bogdanm 0:9b334a45a8ff 347 typedef enum
bogdanm 0:9b334a45a8ff 348 {
bogdanm 0:9b334a45a8ff 349 /** Channel pin is disabled. */
bogdanm 0:9b334a45a8ff 350 lesenseChPinExDis = LESENSE_CH_INTERACT_EXMODE_DISABLE,
bogdanm 0:9b334a45a8ff 351
bogdanm 0:9b334a45a8ff 352 /** Channel pin is configured as push-pull, driven HIGH. */
bogdanm 0:9b334a45a8ff 353 lesenseChPinExHigh = LESENSE_CH_INTERACT_EXMODE_HIGH,
bogdanm 0:9b334a45a8ff 354
bogdanm 0:9b334a45a8ff 355 /** Channel pin is configured as push-pull, driven LOW. */
bogdanm 0:9b334a45a8ff 356 lesenseChPinExLow = LESENSE_CH_INTERACT_EXMODE_LOW,
bogdanm 0:9b334a45a8ff 357
bogdanm 0:9b334a45a8ff 358 /** DAC output (only available on channel 0, 1, 2, 3, 12, 13, 14 and 15) */
bogdanm 0:9b334a45a8ff 359 lesenseChPinExDACOut = LESENSE_CH_INTERACT_EXMODE_DACOUT
bogdanm 0:9b334a45a8ff 360 } LESENSE_ChPinExMode_TypeDef;
bogdanm 0:9b334a45a8ff 361
bogdanm 0:9b334a45a8ff 362
bogdanm 0:9b334a45a8ff 363 /** Channel pin mode for the idle phase of the scan sequence. */
bogdanm 0:9b334a45a8ff 364 typedef enum
bogdanm 0:9b334a45a8ff 365 {
bogdanm 0:9b334a45a8ff 366 /** Channel pin is disabled in idle phase.
bogdanm 0:9b334a45a8ff 367 * Note: this value could be used for all channels. */
bogdanm 0:9b334a45a8ff 368 lesenseChPinIdleDis = _LESENSE_IDLECONF_CH0_DISABLE,
bogdanm 0:9b334a45a8ff 369
bogdanm 0:9b334a45a8ff 370 /** Channel pin is configured as push-pull, driven HIGH in idle phase.
bogdanm 0:9b334a45a8ff 371 * Note: this value could be used for all channels. */
bogdanm 0:9b334a45a8ff 372 lesenseChPinIdleHigh = _LESENSE_IDLECONF_CH0_HIGH,
bogdanm 0:9b334a45a8ff 373
bogdanm 0:9b334a45a8ff 374 /** Channel pin is configured as push-pull, driven LOW in idle phase.
bogdanm 0:9b334a45a8ff 375 * Note: this value could be used for all channels. */
bogdanm 0:9b334a45a8ff 376 lesenseChPinIdleLow = _LESENSE_IDLECONF_CH0_LOW,
bogdanm 0:9b334a45a8ff 377
bogdanm 0:9b334a45a8ff 378 /** Channel pin is connected to DAC CH0 output in idle phase.
bogdanm 0:9b334a45a8ff 379 * Note: only applies to channel 0, 1, 2, 3. */
bogdanm 0:9b334a45a8ff 380 lesenseChPinIdleDACCh0 = _LESENSE_IDLECONF_CH0_DACCH0,
bogdanm 0:9b334a45a8ff 381
bogdanm 0:9b334a45a8ff 382 /** Channel pin is connected to DAC CH1 output in idle phase.
bogdanm 0:9b334a45a8ff 383 * Note: only applies to channel 12, 13, 14, 15. */
bogdanm 0:9b334a45a8ff 384 lesenseChPinIdleDACCh1 = _LESENSE_IDLECONF_CH12_DACCH1
bogdanm 0:9b334a45a8ff 385 } LESENSE_ChPinIdleMode_TypeDef;
bogdanm 0:9b334a45a8ff 386
bogdanm 0:9b334a45a8ff 387
bogdanm 0:9b334a45a8ff 388 /** Clock used for excitation and sample delay timing. */
bogdanm 0:9b334a45a8ff 389 typedef enum
bogdanm 0:9b334a45a8ff 390 {
bogdanm 0:9b334a45a8ff 391 /** LFACLK (LF clock) is used. */
bogdanm 0:9b334a45a8ff 392 lesenseClkLF = _LESENSE_CH_INTERACT_EXCLK_LFACLK,
bogdanm 0:9b334a45a8ff 393
bogdanm 0:9b334a45a8ff 394 /** AUXHFRCO (HF clock) is used. */
bogdanm 0:9b334a45a8ff 395 lesenseClkHF = _LESENSE_CH_INTERACT_EXCLK_AUXHFRCO
bogdanm 0:9b334a45a8ff 396 } LESENSE_ChClk_TypeDef;
bogdanm 0:9b334a45a8ff 397
bogdanm 0:9b334a45a8ff 398
bogdanm 0:9b334a45a8ff 399 /** Compare modes for counter comparison. */
bogdanm 0:9b334a45a8ff 400 typedef enum
bogdanm 0:9b334a45a8ff 401 {
bogdanm 0:9b334a45a8ff 402 /** Set interrupt flag if counter value is less than CTRTHRESHOLD, or if the
bogdanm 0:9b334a45a8ff 403 * ACMP output is 0. */
bogdanm 0:9b334a45a8ff 404 lesenseCompModeLess = LESENSE_CH_EVAL_COMP_LESS,
bogdanm 0:9b334a45a8ff 405
bogdanm 0:9b334a45a8ff 406 /** Set interrupt flag if counter value is greater than, or equal to
bogdanm 0:9b334a45a8ff 407 * CTRTHRESHOLD, or if the ACMP output is 1. */
bogdanm 0:9b334a45a8ff 408 lesenseCompModeGreaterOrEq = LESENSE_CH_EVAL_COMP_GE
bogdanm 0:9b334a45a8ff 409 } LESENSE_ChCompMode_TypeDef;
bogdanm 0:9b334a45a8ff 410
bogdanm 0:9b334a45a8ff 411
bogdanm 0:9b334a45a8ff 412 /** Idle phase configuration of alternate excitation channels. */
bogdanm 0:9b334a45a8ff 413 typedef enum
bogdanm 0:9b334a45a8ff 414 {
bogdanm 0:9b334a45a8ff 415 /** ALTEX output is disabled in idle phase.
bogdanm 0:9b334a45a8ff 416 * Note: this value could be used for all alternate excitation channels. */
bogdanm 0:9b334a45a8ff 417 lesenseAltExPinIdleDis = _LESENSE_ALTEXCONF_IDLECONF0_DISABLE,
bogdanm 0:9b334a45a8ff 418
bogdanm 0:9b334a45a8ff 419 /** ALTEX output is high in idle phase.
bogdanm 0:9b334a45a8ff 420 * Note: this value could be used for all alternate excitation channels. */
bogdanm 0:9b334a45a8ff 421 lesenseAltExPinIdleHigh = _LESENSE_ALTEXCONF_IDLECONF0_HIGH,
bogdanm 0:9b334a45a8ff 422
bogdanm 0:9b334a45a8ff 423 /** ALTEX output is low in idle phase.
bogdanm 0:9b334a45a8ff 424 * Note: this value could be used for all alternate excitation channels. */
bogdanm 0:9b334a45a8ff 425 lesenseAltExPinIdleLow = _LESENSE_ALTEXCONF_IDLECONF0_LOW
bogdanm 0:9b334a45a8ff 426 } LESENSE_AltExPinIdle_TypeDef;
bogdanm 0:9b334a45a8ff 427
bogdanm 0:9b334a45a8ff 428
bogdanm 0:9b334a45a8ff 429 /** Transition action modes. */
bogdanm 0:9b334a45a8ff 430 typedef enum
bogdanm 0:9b334a45a8ff 431 {
bogdanm 0:9b334a45a8ff 432 /** No PRS pulses generated (if PRSCOUNT == 0).
bogdanm 0:9b334a45a8ff 433 * Do not count (if PRSCOUNT == 1). */
bogdanm 0:9b334a45a8ff 434 lesenseTransActNone = LESENSE_ST_TCONFA_PRSACT_NONE,
bogdanm 0:9b334a45a8ff 435
bogdanm 0:9b334a45a8ff 436 /** Generate pulse on LESPRS0 (if PRSCOUNT == 0). */
bogdanm 0:9b334a45a8ff 437 lesenseTransActPRS0 = LESENSE_ST_TCONFA_PRSACT_PRS0,
bogdanm 0:9b334a45a8ff 438
bogdanm 0:9b334a45a8ff 439 /** Generate pulse on LESPRS1 (if PRSCOUNT == 0). */
bogdanm 0:9b334a45a8ff 440 lesenseTransActPRS1 = LESENSE_ST_TCONFA_PRSACT_PRS1,
bogdanm 0:9b334a45a8ff 441
bogdanm 0:9b334a45a8ff 442 /** Generate pulse on LESPRS0 and LESPRS1 (if PRSCOUNT == 0). */
bogdanm 0:9b334a45a8ff 443 lesenseTransActPRS01 = LESENSE_ST_TCONFA_PRSACT_PRS01,
bogdanm 0:9b334a45a8ff 444
bogdanm 0:9b334a45a8ff 445 /** Generate pulse on LESPRS2 (for both PRSCOUNT == 0 and PRSCOUNT == 1). */
bogdanm 0:9b334a45a8ff 446 lesenseTransActPRS2 = LESENSE_ST_TCONFA_PRSACT_PRS2,
bogdanm 0:9b334a45a8ff 447
bogdanm 0:9b334a45a8ff 448 /** Generate pulse on LESPRS0 and LESPRS2 (if PRSCOUNT == 0). */
bogdanm 0:9b334a45a8ff 449 lesenseTransActPRS02 = LESENSE_ST_TCONFA_PRSACT_PRS02,
bogdanm 0:9b334a45a8ff 450
bogdanm 0:9b334a45a8ff 451 /** Generate pulse on LESPRS1 and LESPRS2 (if PRSCOUNT == 0). */
bogdanm 0:9b334a45a8ff 452 lesenseTransActPRS12 = LESENSE_ST_TCONFA_PRSACT_PRS12,
bogdanm 0:9b334a45a8ff 453
bogdanm 0:9b334a45a8ff 454 /** Generate pulse on LESPRS0, LESPRS1 and LESPRS2 (if PRSCOUNT == 0). */
bogdanm 0:9b334a45a8ff 455 lesenseTransActPRS012 = LESENSE_ST_TCONFA_PRSACT_PRS012,
bogdanm 0:9b334a45a8ff 456
bogdanm 0:9b334a45a8ff 457 /** Count up (if PRSCOUNT == 1). */
bogdanm 0:9b334a45a8ff 458 lesenseTransActUp = LESENSE_ST_TCONFA_PRSACT_UP,
bogdanm 0:9b334a45a8ff 459
bogdanm 0:9b334a45a8ff 460 /** Count down (if PRSCOUNT == 1). */
bogdanm 0:9b334a45a8ff 461 lesenseTransActDown = LESENSE_ST_TCONFA_PRSACT_DOWN,
bogdanm 0:9b334a45a8ff 462
bogdanm 0:9b334a45a8ff 463 /** Count up and generate pulse on LESPRS2 (if PRSCOUNT == 1). */
bogdanm 0:9b334a45a8ff 464 lesenseTransActUpAndPRS2 = LESENSE_ST_TCONFA_PRSACT_UPANDPRS2,
bogdanm 0:9b334a45a8ff 465
bogdanm 0:9b334a45a8ff 466 /** Count down and generate pulse on LESPRS2 (if PRSCOUNT == 1). */
bogdanm 0:9b334a45a8ff 467 lesenseTransActDownAndPRS2 = LESENSE_ST_TCONFA_PRSACT_DOWNANDPRS2
bogdanm 0:9b334a45a8ff 468 } LESENSE_StTransAct_TypeDef;
bogdanm 0:9b334a45a8ff 469
bogdanm 0:9b334a45a8ff 470
bogdanm 0:9b334a45a8ff 471 /*******************************************************************************
bogdanm 0:9b334a45a8ff 472 ******************************* STRUCTS ***********************************
bogdanm 0:9b334a45a8ff 473 ******************************************************************************/
bogdanm 0:9b334a45a8ff 474
bogdanm 0:9b334a45a8ff 475 /** Core control (LESENSE_CTRL) descriptor structure. */
bogdanm 0:9b334a45a8ff 476 typedef struct
bogdanm 0:9b334a45a8ff 477 {
bogdanm 0:9b334a45a8ff 478 /** Select scan start mode to control how the scan start is being triggered.*/
bogdanm 0:9b334a45a8ff 479 LESENSE_ScanMode_TypeDef scanStart;
bogdanm 0:9b334a45a8ff 480
bogdanm 0:9b334a45a8ff 481 /** Select PRS source for scan start if scanMode is set to lesensePrsPulse. */
bogdanm 0:9b334a45a8ff 482 LESENSE_PRSSel_TypeDef prsSel;
bogdanm 0:9b334a45a8ff 483
bogdanm 0:9b334a45a8ff 484 /** Select scan configuration register usage strategy. */
bogdanm 0:9b334a45a8ff 485 LESENSE_ScanConfSel_TypeDef scanConfSel;
bogdanm 0:9b334a45a8ff 486
bogdanm 0:9b334a45a8ff 487 /** Set to true to invert ACMP0 output. */
bogdanm 0:9b334a45a8ff 488 bool invACMP0;
bogdanm 0:9b334a45a8ff 489
bogdanm 0:9b334a45a8ff 490 /** Set to true to invert ACMP1 output. */
bogdanm 0:9b334a45a8ff 491 bool invACMP1;
bogdanm 0:9b334a45a8ff 492
bogdanm 0:9b334a45a8ff 493 /** Set to true to sample both ACMPs simultaneously. */
bogdanm 0:9b334a45a8ff 494 bool dualSample;
bogdanm 0:9b334a45a8ff 495
bogdanm 0:9b334a45a8ff 496 /** Set to true in order to to store SCANRES in RAM (accessible via RESDATA)
bogdanm 0:9b334a45a8ff 497 * after each scan. */
bogdanm 0:9b334a45a8ff 498 bool storeScanRes;
bogdanm 0:9b334a45a8ff 499
bogdanm 0:9b334a45a8ff 500 /** Set to true in order to always make LESENSE write to the result buffer,
bogdanm 0:9b334a45a8ff 501 * even if it is full. */
bogdanm 0:9b334a45a8ff 502 bool bufOverWr;
bogdanm 0:9b334a45a8ff 503
bogdanm 0:9b334a45a8ff 504 /** Select trigger conditions for interrupt and DMA. */
bogdanm 0:9b334a45a8ff 505 LESENSE_BufTrigLevel_TypeDef bufTrigLevel;
bogdanm 0:9b334a45a8ff 506
bogdanm 0:9b334a45a8ff 507 /** Configure trigger condition for DMA wakeup from EM2. */
bogdanm 0:9b334a45a8ff 508 LESENSE_DMAWakeUp_TypeDef wakeupOnDMA;
bogdanm 0:9b334a45a8ff 509
bogdanm 0:9b334a45a8ff 510 /** Select bias mode. */
bogdanm 0:9b334a45a8ff 511 LESENSE_BiasMode_TypeDef biasMode;
bogdanm 0:9b334a45a8ff 512
bogdanm 0:9b334a45a8ff 513 /** Set to true to keep LESENSE running in debug mode. */
bogdanm 0:9b334a45a8ff 514 bool debugRun;
bogdanm 0:9b334a45a8ff 515 } LESENSE_CoreCtrlDesc_TypeDef;
bogdanm 0:9b334a45a8ff 516
bogdanm 0:9b334a45a8ff 517 /** Default configuration for LESENSE_CtrlDesc_TypeDef structure. */
mbed_official 50:a417edff4437 518 #define LESENSE_CORECTRL_DESC_DEFAULT \
mbed_official 50:a417edff4437 519 { \
mbed_official 50:a417edff4437 520 lesenseScanStartPeriodic, /* Start new scan each time the period counter overflows. */ \
mbed_official 50:a417edff4437 521 lesensePRSCh0, /* Default PRS channel is selected. */ \
mbed_official 50:a417edff4437 522 lesenseScanConfDirMap, /* Direct mapping SCANCONF register usage strategy. */ \
mbed_official 50:a417edff4437 523 false, /* Don't invert ACMP0 output. */ \
mbed_official 50:a417edff4437 524 false, /* Don't invert ACMP1 output. */ \
mbed_official 50:a417edff4437 525 false, /* Disable dual sampling. */ \
mbed_official 50:a417edff4437 526 true, /* Store scan result after each scan. */ \
mbed_official 50:a417edff4437 527 true, /* Overwrite result buffer register even if it is full. */ \
mbed_official 50:a417edff4437 528 lesenseBufTrigHalf, /* Trigger interrupt and DMA request if result buffer is half full. */ \
mbed_official 50:a417edff4437 529 lesenseDMAWakeUpDisable, /* Don't wake up on DMA from EM2. */ \
mbed_official 50:a417edff4437 530 lesenseBiasModeDontTouch, /* Don't touch bias configuration. */ \
mbed_official 50:a417edff4437 531 true /* Keep LESENSE running in debug mode. */ \
mbed_official 50:a417edff4437 532 }
bogdanm 0:9b334a45a8ff 533
bogdanm 0:9b334a45a8ff 534
bogdanm 0:9b334a45a8ff 535 /** LESENSE timing control descriptor structure. */
bogdanm 0:9b334a45a8ff 536 typedef struct
bogdanm 0:9b334a45a8ff 537 {
bogdanm 0:9b334a45a8ff 538 /** Set the number of LFACLK cycles to delay sensor interaction on
bogdanm 0:9b334a45a8ff 539 * each channel. Valid range: 0-3 (2 bit). */
bogdanm 0:9b334a45a8ff 540 uint8_t startDelay;
bogdanm 0:9b334a45a8ff 541 } LESENSE_TimeCtrlDesc_TypeDef;
bogdanm 0:9b334a45a8ff 542
bogdanm 0:9b334a45a8ff 543 /** Default configuration for LESENSE_TimeCtrlDesc_TypeDef structure. */
mbed_official 50:a417edff4437 544 #define LESENSE_TIMECTRL_DESC_DEFAULT \
mbed_official 50:a417edff4437 545 { \
mbed_official 50:a417edff4437 546 0U /* No sensor interaction delay. */ \
mbed_official 50:a417edff4437 547 }
bogdanm 0:9b334a45a8ff 548
bogdanm 0:9b334a45a8ff 549
bogdanm 0:9b334a45a8ff 550 /** LESENSE peripheral control descriptor structure. */
bogdanm 0:9b334a45a8ff 551 typedef struct
bogdanm 0:9b334a45a8ff 552 {
bogdanm 0:9b334a45a8ff 553 /** Configure DAC channel 0 data control. */
bogdanm 0:9b334a45a8ff 554 LESENSE_ControlDACData_TypeDef dacCh0Data;
bogdanm 0:9b334a45a8ff 555
bogdanm 0:9b334a45a8ff 556 /** Configure how LESENSE controls conversion on DAC channel 0. */
bogdanm 0:9b334a45a8ff 557 LESENSE_ControlDACConv_TypeDef dacCh0ConvMode;
bogdanm 0:9b334a45a8ff 558
bogdanm 0:9b334a45a8ff 559 /** Configure how LESENSE controls output on DAC channel 0. */
bogdanm 0:9b334a45a8ff 560 LESENSE_ControlDACOut_TypeDef dacCh0OutMode;
bogdanm 0:9b334a45a8ff 561
bogdanm 0:9b334a45a8ff 562 /** Configure DAC channel 1 data control. */
bogdanm 0:9b334a45a8ff 563 LESENSE_ControlDACData_TypeDef dacCh1Data;
bogdanm 0:9b334a45a8ff 564
bogdanm 0:9b334a45a8ff 565 /** Configure how LESENSE controls conversion on DAC channel 1. */
bogdanm 0:9b334a45a8ff 566 LESENSE_ControlDACConv_TypeDef dacCh1ConvMode;
bogdanm 0:9b334a45a8ff 567
bogdanm 0:9b334a45a8ff 568 /** Configure how LESENSE controls output on DAC channel 1. */
bogdanm 0:9b334a45a8ff 569 LESENSE_ControlDACOut_TypeDef dacCh1OutMode;
bogdanm 0:9b334a45a8ff 570
bogdanm 0:9b334a45a8ff 571 /** Configure the prescaling factor for the LESENSE - DAC interface.
bogdanm 0:9b334a45a8ff 572 * Valid range: 0-31 (5bit). */
bogdanm 0:9b334a45a8ff 573 uint8_t dacPresc;
bogdanm 0:9b334a45a8ff 574
bogdanm 0:9b334a45a8ff 575 /** Configure the DAC reference to be used. Set to #lesenseDACRefVdd to use
bogdanm 0:9b334a45a8ff 576 * VDD and set to #lesenseDACRefBandGap to use bandgap as reference. */
bogdanm 0:9b334a45a8ff 577 LESENSE_DACRef_TypeDef dacRef;
bogdanm 0:9b334a45a8ff 578
bogdanm 0:9b334a45a8ff 579 /** Configure how LESENSE controls ACMP 0. */
bogdanm 0:9b334a45a8ff 580 LESENSE_ControlACMP_TypeDef acmp0Mode;
bogdanm 0:9b334a45a8ff 581
bogdanm 0:9b334a45a8ff 582 /** Configure how LESENSE controls ACMP 1. */
bogdanm 0:9b334a45a8ff 583 LESENSE_ControlACMP_TypeDef acmp1Mode;
bogdanm 0:9b334a45a8ff 584
bogdanm 0:9b334a45a8ff 585 /** Configure how LESENSE controls ACMPs and the DAC in idle mode. */
bogdanm 0:9b334a45a8ff 586 LESENSE_WarmupMode_TypeDef warmupMode;
bogdanm 0:9b334a45a8ff 587 } LESENSE_PerCtrlDesc_TypeDef;
bogdanm 0:9b334a45a8ff 588
bogdanm 0:9b334a45a8ff 589 /** Default configuration for LESENSE_PerCtrl_TypeDef structure. */
mbed_official 50:a417edff4437 590 #define LESENSE_PERCTRL_DESC_DEFAULT \
mbed_official 50:a417edff4437 591 { \
mbed_official 50:a417edff4437 592 lesenseDACIfData, /**/ \
mbed_official 50:a417edff4437 593 lesenseDACConvModeDisable, /**/ \
mbed_official 50:a417edff4437 594 lesenseDACOutModeDisable, /**/ \
mbed_official 50:a417edff4437 595 lesenseDACIfData, /**/ \
mbed_official 50:a417edff4437 596 lesenseDACConvModeDisable, /**/ \
mbed_official 50:a417edff4437 597 lesenseDACOutModeDisable, /**/ \
mbed_official 50:a417edff4437 598 0U, /**/ \
mbed_official 50:a417edff4437 599 lesenseDACRefVdd, /**/ \
mbed_official 50:a417edff4437 600 lesenseACMPModeMuxThres, /**/ \
mbed_official 50:a417edff4437 601 lesenseACMPModeMuxThres, /**/ \
mbed_official 50:a417edff4437 602 lesenseWarmupModeKeepWarm, /**/ \
mbed_official 50:a417edff4437 603 }
bogdanm 0:9b334a45a8ff 604
bogdanm 0:9b334a45a8ff 605
bogdanm 0:9b334a45a8ff 606 /** LESENSE decoder control descriptor structure. */
bogdanm 0:9b334a45a8ff 607 typedef struct
bogdanm 0:9b334a45a8ff 608 {
bogdanm 0:9b334a45a8ff 609 /** Select the input to the LESENSE decoder. */
bogdanm 0:9b334a45a8ff 610 LESENSE_DecInput_TypeDef decInput;
bogdanm 0:9b334a45a8ff 611
bogdanm 0:9b334a45a8ff 612 /** Initial state of the LESENSE decoder. */
bogdanm 0:9b334a45a8ff 613 uint32_t initState;
bogdanm 0:9b334a45a8ff 614
bogdanm 0:9b334a45a8ff 615 /** Set to enable the decoder to check the present state in addition
bogdanm 0:9b334a45a8ff 616 * to the states defined in DECCONF. */
bogdanm 0:9b334a45a8ff 617 bool chkState;
bogdanm 0:9b334a45a8ff 618
bogdanm 0:9b334a45a8ff 619 /** When set, a transition from state x in the decoder will set interrupt flag
bogdanm 0:9b334a45a8ff 620 * CHx. */
bogdanm 0:9b334a45a8ff 621 bool intMap;
bogdanm 0:9b334a45a8ff 622
bogdanm 0:9b334a45a8ff 623 /** Set to enable hysteresis in the decoder for suppressing changes on PRS
bogdanm 0:9b334a45a8ff 624 * channel 0. */
bogdanm 0:9b334a45a8ff 625 bool hystPRS0;
bogdanm 0:9b334a45a8ff 626
bogdanm 0:9b334a45a8ff 627 /** Set to enable hysteresis in the decoder for suppressing changes on PRS
bogdanm 0:9b334a45a8ff 628 * channel 1. */
bogdanm 0:9b334a45a8ff 629 bool hystPRS1;
bogdanm 0:9b334a45a8ff 630
bogdanm 0:9b334a45a8ff 631 /** Set to enable hysteresis in the decoder for suppressing changes on PRS
bogdanm 0:9b334a45a8ff 632 * channel 2. */
bogdanm 0:9b334a45a8ff 633 bool hystPRS2;
bogdanm 0:9b334a45a8ff 634
bogdanm 0:9b334a45a8ff 635 /** Set to enable hysteresis in the decoder for suppressing interrupt
bogdanm 0:9b334a45a8ff 636 * requests. */
bogdanm 0:9b334a45a8ff 637 bool hystIRQ;
bogdanm 0:9b334a45a8ff 638
bogdanm 0:9b334a45a8ff 639 /** Set to enable count mode on decoder PRS channels 0 and 1 to produce
bogdanm 0:9b334a45a8ff 640 * outputs which can be used by a PCNT to count up or down. */
bogdanm 0:9b334a45a8ff 641 bool prsCount;
bogdanm 0:9b334a45a8ff 642
bogdanm 0:9b334a45a8ff 643 /** Select PRS channel input for bit 0 of the LESENSE decoder. */
bogdanm 0:9b334a45a8ff 644 LESENSE_PRSSel_TypeDef prsChSel0;
bogdanm 0:9b334a45a8ff 645
bogdanm 0:9b334a45a8ff 646 /** Select PRS channel input for bit 1 of the LESENSE decoder. */
bogdanm 0:9b334a45a8ff 647 LESENSE_PRSSel_TypeDef prsChSel1;
bogdanm 0:9b334a45a8ff 648
bogdanm 0:9b334a45a8ff 649 /** Select PRS channel input for bit 2 of the LESENSE decoder. */
bogdanm 0:9b334a45a8ff 650 LESENSE_PRSSel_TypeDef prsChSel2;
bogdanm 0:9b334a45a8ff 651
bogdanm 0:9b334a45a8ff 652 /** Select PRS channel input for bit 3 of the LESENSE decoder. */
bogdanm 0:9b334a45a8ff 653 LESENSE_PRSSel_TypeDef prsChSel3;
bogdanm 0:9b334a45a8ff 654 } LESENSE_DecCtrlDesc_TypeDef;
bogdanm 0:9b334a45a8ff 655
bogdanm 0:9b334a45a8ff 656 /** Default configuration for LESENSE_PerCtrl_TypeDef structure. */
mbed_official 50:a417edff4437 657 #define LESENSE_DECCTRL_DESC_DEFAULT \
mbed_official 50:a417edff4437 658 { \
mbed_official 50:a417edff4437 659 lesenseDecInputSensorSt, /**/ \
mbed_official 50:a417edff4437 660 0U, /**/ \
mbed_official 50:a417edff4437 661 false, /**/ \
mbed_official 50:a417edff4437 662 true, /**/ \
mbed_official 50:a417edff4437 663 true, /**/ \
mbed_official 50:a417edff4437 664 true, /**/ \
mbed_official 50:a417edff4437 665 true, /**/ \
mbed_official 50:a417edff4437 666 true, /**/ \
mbed_official 50:a417edff4437 667 false, /**/ \
mbed_official 50:a417edff4437 668 lesensePRSCh0, /**/ \
mbed_official 50:a417edff4437 669 lesensePRSCh1, /**/ \
mbed_official 50:a417edff4437 670 lesensePRSCh2, /**/ \
mbed_official 50:a417edff4437 671 lesensePRSCh3, /**/ \
mbed_official 50:a417edff4437 672 }
bogdanm 0:9b334a45a8ff 673
bogdanm 0:9b334a45a8ff 674
bogdanm 0:9b334a45a8ff 675 /** LESENSE module initialization structure. */
bogdanm 0:9b334a45a8ff 676 typedef struct
bogdanm 0:9b334a45a8ff 677 {
bogdanm 0:9b334a45a8ff 678 /** LESENSE core configuration parameters. */
bogdanm 0:9b334a45a8ff 679 LESENSE_CoreCtrlDesc_TypeDef coreCtrl;
bogdanm 0:9b334a45a8ff 680
bogdanm 0:9b334a45a8ff 681 /** LESENSE timing configuration parameters. */
bogdanm 0:9b334a45a8ff 682 LESENSE_TimeCtrlDesc_TypeDef timeCtrl;
bogdanm 0:9b334a45a8ff 683
bogdanm 0:9b334a45a8ff 684 /** LESENSE peripheral configuration parameters. */
bogdanm 0:9b334a45a8ff 685 LESENSE_PerCtrlDesc_TypeDef perCtrl;
bogdanm 0:9b334a45a8ff 686
bogdanm 0:9b334a45a8ff 687 /** LESENSE decoder configuration parameters. */
bogdanm 0:9b334a45a8ff 688 LESENSE_DecCtrlDesc_TypeDef decCtrl;
bogdanm 0:9b334a45a8ff 689 } LESENSE_Init_TypeDef;
bogdanm 0:9b334a45a8ff 690
bogdanm 0:9b334a45a8ff 691 /** Default configuration for LESENSE_Init_TypeDef structure. */
mbed_official 50:a417edff4437 692 #define LESENSE_INIT_DEFAULT \
mbed_official 50:a417edff4437 693 { \
mbed_official 50:a417edff4437 694 .coreCtrl = LESENSE_CORECTRL_DESC_DEFAULT, /* Default core control parameters. */ \
mbed_official 50:a417edff4437 695 .timeCtrl = LESENSE_TIMECTRL_DESC_DEFAULT, /* Default time control parameters. */ \
mbed_official 50:a417edff4437 696 .perCtrl = LESENSE_PERCTRL_DESC_DEFAULT, /* Default peripheral control parameters. */ \
mbed_official 50:a417edff4437 697 .decCtrl = LESENSE_DECCTRL_DESC_DEFAULT /* Default decoder control parameters. */ \
mbed_official 50:a417edff4437 698 }
bogdanm 0:9b334a45a8ff 699
bogdanm 0:9b334a45a8ff 700
bogdanm 0:9b334a45a8ff 701 /** Channel descriptor structure. */
bogdanm 0:9b334a45a8ff 702 typedef struct
bogdanm 0:9b334a45a8ff 703 {
bogdanm 0:9b334a45a8ff 704 /** Set to enable scan channel CHx. */
bogdanm 0:9b334a45a8ff 705 bool enaScanCh;
bogdanm 0:9b334a45a8ff 706
bogdanm 0:9b334a45a8ff 707 /** Set to enable CHx pin. */
bogdanm 0:9b334a45a8ff 708 bool enaPin;
bogdanm 0:9b334a45a8ff 709
bogdanm 0:9b334a45a8ff 710 /** Enable/disable channel interrupts after configuring all the sensor channel
bogdanm 0:9b334a45a8ff 711 * parameters. */
bogdanm 0:9b334a45a8ff 712 bool enaInt;
bogdanm 0:9b334a45a8ff 713
bogdanm 0:9b334a45a8ff 714 /** Configure channel pin mode for the excitation phase of the scan sequence.
bogdanm 0:9b334a45a8ff 715 * Note: OPAOUT is only available on channels 2, 3, 4, and 5. */
bogdanm 0:9b334a45a8ff 716 LESENSE_ChPinExMode_TypeDef chPinExMode;
bogdanm 0:9b334a45a8ff 717
bogdanm 0:9b334a45a8ff 718 /** Configure channel pin idle setup in LESENSE idle phase. */
bogdanm 0:9b334a45a8ff 719 LESENSE_ChPinIdleMode_TypeDef chPinIdleMode;
bogdanm 0:9b334a45a8ff 720
bogdanm 0:9b334a45a8ff 721 /** Set to use alternate excite pin for excitation. */
bogdanm 0:9b334a45a8ff 722 bool useAltEx;
bogdanm 0:9b334a45a8ff 723
bogdanm 0:9b334a45a8ff 724 /** Set to enable the result from this channel being shifted into the decoder
bogdanm 0:9b334a45a8ff 725 * register. */
bogdanm 0:9b334a45a8ff 726 bool shiftRes;
bogdanm 0:9b334a45a8ff 727
bogdanm 0:9b334a45a8ff 728 /** Set to invert the result bit stored in SCANRES register. */
bogdanm 0:9b334a45a8ff 729 bool invRes;
bogdanm 0:9b334a45a8ff 730
bogdanm 0:9b334a45a8ff 731 /** Set to store the counter value in RAM (accessible via RESDATA) and make
bogdanm 0:9b334a45a8ff 732 * the comparison result available in the SCANRES register. */
bogdanm 0:9b334a45a8ff 733 bool storeCntRes;
bogdanm 0:9b334a45a8ff 734
bogdanm 0:9b334a45a8ff 735 /** Select clock used for excitation timing. */
bogdanm 0:9b334a45a8ff 736 LESENSE_ChClk_TypeDef exClk;
bogdanm 0:9b334a45a8ff 737
bogdanm 0:9b334a45a8ff 738 /** Select clock used for sample delay timing. */
bogdanm 0:9b334a45a8ff 739 LESENSE_ChClk_TypeDef sampleClk;
bogdanm 0:9b334a45a8ff 740
bogdanm 0:9b334a45a8ff 741 /** Configure excitation time. Excitation will last exTime+1 excitation clock
bogdanm 0:9b334a45a8ff 742 * cycles. Valid range: 0-63 (6 bits). */
bogdanm 0:9b334a45a8ff 743 uint8_t exTime;
bogdanm 0:9b334a45a8ff 744
bogdanm 0:9b334a45a8ff 745 /** Configure sample delay. Sampling will occur after sampleDelay+1 sample
bogdanm 0:9b334a45a8ff 746 * clock cycles. Valid range: 0-127 (7 bits). */
bogdanm 0:9b334a45a8ff 747 uint8_t sampleDelay;
bogdanm 0:9b334a45a8ff 748
bogdanm 0:9b334a45a8ff 749 /** Configure measure delay. Sensor measuring is delayed for measDelay
bogdanm 0:9b334a45a8ff 750 * excitation clock cycles. Valid range: 0-127 (7 bits). */
bogdanm 0:9b334a45a8ff 751 uint8_t measDelay;
bogdanm 0:9b334a45a8ff 752
bogdanm 0:9b334a45a8ff 753 /** Configure ACMP threshold.
bogdanm 0:9b334a45a8ff 754 * If perCtrl.dacCh0Data or perCtrl.dacCh1Data is set to #lesenseDACIfData,
bogdanm 0:9b334a45a8ff 755 * acmpThres defines the 12-bit DAC data in the corresponding data register
bogdanm 0:9b334a45a8ff 756 * of the DAC interface (DACn_CH0DATA and DACn_CH1DATA).
bogdanm 0:9b334a45a8ff 757 * In this case, the valid range is: 0-4095 (12 bits).
bogdanm 0:9b334a45a8ff 758 * If perCtrl.dacCh0Data or perCtrl.dacCh1Data is set to #lesenseACMPThres,
bogdanm 0:9b334a45a8ff 759 * acmpThres defines the 6-bit Vdd scaling factor of ACMP negative input
bogdanm 0:9b334a45a8ff 760 * (VDDLEVEL in ACMP_INPUTSEL register).
bogdanm 0:9b334a45a8ff 761 * In this case, the valid range is: 0-63 (6 bits). */
bogdanm 0:9b334a45a8ff 762 uint16_t acmpThres;
bogdanm 0:9b334a45a8ff 763
bogdanm 0:9b334a45a8ff 764 /** Select if ACMP output or counter output should be used in comparison. */
bogdanm 0:9b334a45a8ff 765 LESENSE_ChSampleMode_TypeDef sampleMode;
bogdanm 0:9b334a45a8ff 766
bogdanm 0:9b334a45a8ff 767 /** Configure interrupt generation mode for CHx interrupt flag. */
bogdanm 0:9b334a45a8ff 768 LESENSE_ChIntMode_TypeDef intMode;
bogdanm 0:9b334a45a8ff 769
bogdanm 0:9b334a45a8ff 770 /** Configure decision threshold for counter comparison.
bogdanm 0:9b334a45a8ff 771 * Valid range: 0-65535 (16 bits). */
bogdanm 0:9b334a45a8ff 772 uint16_t cntThres;
bogdanm 0:9b334a45a8ff 773
bogdanm 0:9b334a45a8ff 774 /** Select mode for counter comparison. */
bogdanm 0:9b334a45a8ff 775 LESENSE_ChCompMode_TypeDef compMode;
bogdanm 0:9b334a45a8ff 776 } LESENSE_ChDesc_TypeDef;
bogdanm 0:9b334a45a8ff 777
bogdanm 0:9b334a45a8ff 778
bogdanm 0:9b334a45a8ff 779 /** Configuration structure for all scan channels. */
bogdanm 0:9b334a45a8ff 780 typedef struct
bogdanm 0:9b334a45a8ff 781 {
bogdanm 0:9b334a45a8ff 782 /** Channel descriptor for all 16 channels. */
bogdanm 0:9b334a45a8ff 783 LESENSE_ChDesc_TypeDef Ch[16];
bogdanm 0:9b334a45a8ff 784 } LESENSE_ChAll_TypeDef;
bogdanm 0:9b334a45a8ff 785
bogdanm 0:9b334a45a8ff 786 /** Default configuration for scan channel. */
mbed_official 50:a417edff4437 787 #define LESENSE_CH_CONF_DEFAULT \
mbed_official 50:a417edff4437 788 { \
mbed_official 50:a417edff4437 789 true, /* Enable scan channel. */ \
mbed_official 50:a417edff4437 790 true, /* Enable the assigned pin on scan channel. */ \
mbed_official 50:a417edff4437 791 true, /* Enable interrupts on channel. */ \
mbed_official 50:a417edff4437 792 lesenseChPinExHigh, /* Channel pin is high during the excitation period. */ \
mbed_official 50:a417edff4437 793 lesenseChPinIdleLow, /* Channel pin is low during the idle period. */ \
mbed_official 50:a417edff4437 794 false, /* Don't use alternate excitation pins for excitation. */ \
mbed_official 50:a417edff4437 795 false, /* Disabled to shift results from this channel to the decoder register. */ \
mbed_official 50:a417edff4437 796 false, /* Disabled to invert the scan result bit. */ \
mbed_official 50:a417edff4437 797 false, /* Disabled to store counter value in the result buffer. */ \
mbed_official 50:a417edff4437 798 lesenseClkLF, /* Use the LF clock for excitation timing. */ \
mbed_official 50:a417edff4437 799 lesenseClkLF, /* Use the LF clock for sample timing. */ \
mbed_official 50:a417edff4437 800 0x03U, /* Excitation time is set to 3(+1) excitation clock cycles. */ \
mbed_official 50:a417edff4437 801 0x09U, /* Sample delay is set to 9(+1) sample clock cycles. */ \
mbed_official 50:a417edff4437 802 0x06U, /* Measure delay is set to 6 excitation clock cycles.*/ \
mbed_official 50:a417edff4437 803 0x00U, /* ACMP threshold has been set to 0. */ \
mbed_official 50:a417edff4437 804 lesenseSampleModeACMP, /* ACMP output will be used in comparison. */ \
mbed_official 50:a417edff4437 805 lesenseSetIntNone, /* No interrupt is generated by the channel. */ \
mbed_official 50:a417edff4437 806 0xFFU, /* Counter threshold has bee set to 0xFF. */ \
mbed_official 50:a417edff4437 807 lesenseCompModeLess /* Compare mode has been set to trigger interrupt on "less". */ \
mbed_official 50:a417edff4437 808 }
bogdanm 0:9b334a45a8ff 809
bogdanm 0:9b334a45a8ff 810 /** Default configuration for all sensor channels. */
mbed_official 50:a417edff4437 811 #define LESENSE_SCAN_CONF_DEFAULT \
mbed_official 50:a417edff4437 812 { \
mbed_official 50:a417edff4437 813 { \
mbed_official 50:a417edff4437 814 LESENSE_CH_CONF_DEFAULT, /* Scan channel 0. */ \
mbed_official 50:a417edff4437 815 LESENSE_CH_CONF_DEFAULT, /* Scan channel 1. */ \
mbed_official 50:a417edff4437 816 LESENSE_CH_CONF_DEFAULT, /* Scan channel 2. */ \
mbed_official 50:a417edff4437 817 LESENSE_CH_CONF_DEFAULT, /* Scan channel 3. */ \
mbed_official 50:a417edff4437 818 LESENSE_CH_CONF_DEFAULT, /* Scan channel 4. */ \
mbed_official 50:a417edff4437 819 LESENSE_CH_CONF_DEFAULT, /* Scan channel 5. */ \
mbed_official 50:a417edff4437 820 LESENSE_CH_CONF_DEFAULT, /* Scan channel 6. */ \
mbed_official 50:a417edff4437 821 LESENSE_CH_CONF_DEFAULT, /* Scan channel 7. */ \
mbed_official 50:a417edff4437 822 LESENSE_CH_CONF_DEFAULT, /* Scan channel 8. */ \
mbed_official 50:a417edff4437 823 LESENSE_CH_CONF_DEFAULT, /* Scan channel 9. */ \
mbed_official 50:a417edff4437 824 LESENSE_CH_CONF_DEFAULT, /* Scan channel 10. */ \
mbed_official 50:a417edff4437 825 LESENSE_CH_CONF_DEFAULT, /* Scan channel 11. */ \
mbed_official 50:a417edff4437 826 LESENSE_CH_CONF_DEFAULT, /* Scan channel 12. */ \
mbed_official 50:a417edff4437 827 LESENSE_CH_CONF_DEFAULT, /* Scan channel 13. */ \
mbed_official 50:a417edff4437 828 LESENSE_CH_CONF_DEFAULT, /* Scan channel 14. */ \
mbed_official 50:a417edff4437 829 LESENSE_CH_CONF_DEFAULT, /* Scan channel 15. */ \
mbed_official 50:a417edff4437 830 } \
mbed_official 50:a417edff4437 831 }
bogdanm 0:9b334a45a8ff 832
bogdanm 0:9b334a45a8ff 833
bogdanm 0:9b334a45a8ff 834 /** Alternate excitation descriptor structure. */
bogdanm 0:9b334a45a8ff 835 typedef struct
bogdanm 0:9b334a45a8ff 836 {
bogdanm 0:9b334a45a8ff 837 /** Configure alternate excitation pins. If set, the corresponding alternate
bogdanm 0:9b334a45a8ff 838 * excitation pin/signal is enabled. */
bogdanm 0:9b334a45a8ff 839 bool enablePin;
bogdanm 0:9b334a45a8ff 840
bogdanm 0:9b334a45a8ff 841 /** Configure idle phase setup of alternate excitation pins.
bogdanm 0:9b334a45a8ff 842 The idleConf parameter is not valid when altExMap==lesenseAltExMapACMP. */
bogdanm 0:9b334a45a8ff 843 LESENSE_AltExPinIdle_TypeDef idleConf;
bogdanm 0:9b334a45a8ff 844
bogdanm 0:9b334a45a8ff 845 /** Configure how to control the external alternate excitation pins. Only
bogdanm 0:9b334a45a8ff 846 * applies if altExMap has been set to lesenseAltExMapALTEX.
bogdanm 0:9b334a45a8ff 847 * If true, the excitation happens on the corresponding alternate excitation
bogdanm 0:9b334a45a8ff 848 * pin during the excitation periods of all enabled channels.
bogdanm 0:9b334a45a8ff 849 * If false, the excitation happens on the corresponding alternate excitation
bogdanm 0:9b334a45a8ff 850 * pin ONLY during the excitation period of the corresponding channel.
bogdanm 0:9b334a45a8ff 851 * The alwaysEx parameter is not valid when altExMap==lesenseAltExMapACMP. */
bogdanm 0:9b334a45a8ff 852 bool alwaysEx;
bogdanm 0:9b334a45a8ff 853 } LESENSE_AltExDesc_TypeDef;
bogdanm 0:9b334a45a8ff 854
bogdanm 0:9b334a45a8ff 855
bogdanm 0:9b334a45a8ff 856 /** Configuration structure for alternate excitation. */
bogdanm 0:9b334a45a8ff 857 typedef struct
bogdanm 0:9b334a45a8ff 858 {
bogdanm 0:9b334a45a8ff 859 /** Select alternate excitation mapping. */
bogdanm 0:9b334a45a8ff 860 LESENSE_AltExMap_TypeDef altExMap;
bogdanm 0:9b334a45a8ff 861
bogdanm 0:9b334a45a8ff 862 /** Alternate excitation channel descriptors.
bogdanm 0:9b334a45a8ff 863 * When altExMap==lesenseAltExMapALTEX only the 8 first descriptors are used.
bogdanm 0:9b334a45a8ff 864 * In this mode they describe the configuration of the LES_ALTEX0-7 pins.
bogdanm 0:9b334a45a8ff 865 * When altExMap==lesenseAltExMapACMP all 16 descriptors are used. In this
bogdanm 0:9b334a45a8ff 866 * mode they describe the configuration of the 16 possible ACMP0-1 excitation
bogdanm 0:9b334a45a8ff 867 * channels. Please refer to the user manual for a complete mapping of the
bogdanm 0:9b334a45a8ff 868 * routing.
bogdanm 0:9b334a45a8ff 869 * NOTE:
bogdanm 0:9b334a45a8ff 870 * Some parameters in the descriptors are not valid when
bogdanm 0:9b334a45a8ff 871 * altExMap==lesenseAltExMapACMP. Please refer to the definition of the
bogdanm 0:9b334a45a8ff 872 * LESENSE_AltExDesc_TypeDef structure for details regarding which parameters
bogdanm 0:9b334a45a8ff 873 * are valid. */
bogdanm 0:9b334a45a8ff 874 LESENSE_AltExDesc_TypeDef AltEx[16];
bogdanm 0:9b334a45a8ff 875
bogdanm 0:9b334a45a8ff 876 } LESENSE_ConfAltEx_TypeDef;
bogdanm 0:9b334a45a8ff 877
bogdanm 0:9b334a45a8ff 878
bogdanm 0:9b334a45a8ff 879 /** Default configuration for alternate excitation channel. */
mbed_official 50:a417edff4437 880 #define LESENSE_ALTEX_CH_CONF_DEFAULT \
mbed_official 50:a417edff4437 881 { \
mbed_official 50:a417edff4437 882 true, /* Alternate excitation enabled.*/ \
mbed_official 50:a417edff4437 883 lesenseAltExPinIdleDis,/* Alternate excitation pin is disabled in idle. */ \
mbed_official 50:a417edff4437 884 false /* Excite only for corresponding channel. */ \
mbed_official 50:a417edff4437 885 }
bogdanm 0:9b334a45a8ff 886
bogdanm 0:9b334a45a8ff 887 /** Default configuration for all alternate excitation channels. */
mbed_official 50:a417edff4437 888 #define LESENSE_ALTEX_CONF_DEFAULT \
mbed_official 50:a417edff4437 889 { \
mbed_official 50:a417edff4437 890 lesenseAltExMapACMP, \
mbed_official 50:a417edff4437 891 { \
mbed_official 50:a417edff4437 892 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 0. */ \
mbed_official 50:a417edff4437 893 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 1. */ \
mbed_official 50:a417edff4437 894 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 2. */ \
mbed_official 50:a417edff4437 895 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 3. */ \
mbed_official 50:a417edff4437 896 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 4. */ \
mbed_official 50:a417edff4437 897 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 5. */ \
mbed_official 50:a417edff4437 898 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 6. */ \
mbed_official 50:a417edff4437 899 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 7. */ \
mbed_official 50:a417edff4437 900 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 8. */ \
mbed_official 50:a417edff4437 901 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 9. */ \
mbed_official 50:a417edff4437 902 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 10. */ \
mbed_official 50:a417edff4437 903 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 11. */ \
mbed_official 50:a417edff4437 904 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 12. */ \
mbed_official 50:a417edff4437 905 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 13. */ \
mbed_official 50:a417edff4437 906 LESENSE_ALTEX_CH_CONF_DEFAULT, /* Alternate excitation channel 14. */ \
mbed_official 50:a417edff4437 907 LESENSE_ALTEX_CH_CONF_DEFAULT /* Alternate excitation channel 15. */ \
mbed_official 50:a417edff4437 908 } \
mbed_official 50:a417edff4437 909 }
bogdanm 0:9b334a45a8ff 910
bogdanm 0:9b334a45a8ff 911
bogdanm 0:9b334a45a8ff 912 /** Decoder state condition descriptor structure. */
bogdanm 0:9b334a45a8ff 913 typedef struct
bogdanm 0:9b334a45a8ff 914 {
bogdanm 0:9b334a45a8ff 915 /** Configure compare value. State transition is triggered when sensor state
bogdanm 0:9b334a45a8ff 916 * equals to this value. Valid range: 0-15 (4 bits). */
bogdanm 0:9b334a45a8ff 917 uint8_t compVal;
bogdanm 0:9b334a45a8ff 918
bogdanm 0:9b334a45a8ff 919 /** Configure compare mask. Set bit X to exclude sensor X from evaluation.
bogdanm 0:9b334a45a8ff 920 * Note: decoder can handle sensor inputs from up to 4 sensors, therefore
bogdanm 0:9b334a45a8ff 921 * this mask is 4 bit long. */
bogdanm 0:9b334a45a8ff 922 uint8_t compMask;
bogdanm 0:9b334a45a8ff 923
bogdanm 0:9b334a45a8ff 924 /** Configure index of state to be entered if the sensor state equals to
bogdanm 0:9b334a45a8ff 925 * compVal. Valid range: 0-15 (4 bits). */
bogdanm 0:9b334a45a8ff 926 uint8_t nextState;
bogdanm 0:9b334a45a8ff 927
bogdanm 0:9b334a45a8ff 928 /** Configure which PRS action to perform when sensor state equals to
bogdanm 0:9b334a45a8ff 929 * compVal. */
bogdanm 0:9b334a45a8ff 930 LESENSE_StTransAct_TypeDef prsAct;
bogdanm 0:9b334a45a8ff 931
bogdanm 0:9b334a45a8ff 932 /** If enabled, interrupt flag is set when sensor state equals to compVal. */
bogdanm 0:9b334a45a8ff 933 bool setInt;
bogdanm 0:9b334a45a8ff 934 } LESENSE_DecStCond_TypeDef;
bogdanm 0:9b334a45a8ff 935
bogdanm 0:9b334a45a8ff 936 /** Default configuration for decoder state condition. */
mbed_official 50:a417edff4437 937 #define LESENSE_ST_CONF_DEFAULT \
mbed_official 50:a417edff4437 938 { \
mbed_official 50:a417edff4437 939 0x0FU, /* Compare value set to 0x0F. */ \
mbed_official 50:a417edff4437 940 0x00U, /* All decoder inputs masked. */ \
mbed_official 50:a417edff4437 941 0U, /* Next state is state 0. */ \
mbed_official 50:a417edff4437 942 lesenseTransActNone, /* No PRS action performed on compare match. */ \
mbed_official 50:a417edff4437 943 false /* No interrupt triggered on compare match. */ \
mbed_official 50:a417edff4437 944 }
bogdanm 0:9b334a45a8ff 945
bogdanm 0:9b334a45a8ff 946
bogdanm 0:9b334a45a8ff 947 /** Decoder state x configuration structure. */
bogdanm 0:9b334a45a8ff 948 typedef struct
bogdanm 0:9b334a45a8ff 949 {
bogdanm 0:9b334a45a8ff 950 /** If enabled, the state descriptor pair in the next location will also be
bogdanm 0:9b334a45a8ff 951 * evaluated. */
bogdanm 0:9b334a45a8ff 952 bool chainDesc;
bogdanm 0:9b334a45a8ff 953
bogdanm 0:9b334a45a8ff 954 /** State condition descriptor A (high level descriptor of
bogdanm 0:9b334a45a8ff 955 * LESENSE_STx_DECCONFA). */
bogdanm 0:9b334a45a8ff 956 LESENSE_DecStCond_TypeDef confA;
bogdanm 0:9b334a45a8ff 957
bogdanm 0:9b334a45a8ff 958 /** State condition descriptor B (high level descriptor of
bogdanm 0:9b334a45a8ff 959 * LESENSE_STx_DECCONFB). */
bogdanm 0:9b334a45a8ff 960 LESENSE_DecStCond_TypeDef confB;
bogdanm 0:9b334a45a8ff 961 } LESENSE_DecStDesc_TypeDef;
bogdanm 0:9b334a45a8ff 962
bogdanm 0:9b334a45a8ff 963
bogdanm 0:9b334a45a8ff 964 /** Configuration structure for the decoder. */
bogdanm 0:9b334a45a8ff 965 typedef struct
bogdanm 0:9b334a45a8ff 966 {
bogdanm 0:9b334a45a8ff 967 /** Descriptor of the 16 decoder states. */
bogdanm 0:9b334a45a8ff 968 LESENSE_DecStDesc_TypeDef St[16];
bogdanm 0:9b334a45a8ff 969 } LESENSE_DecStAll_TypeDef;
bogdanm 0:9b334a45a8ff 970
bogdanm 0:9b334a45a8ff 971 /** Default configuration for all decoder states. */
mbed_official 50:a417edff4437 972 #define LESENSE_DECODER_CONF_DEFAULT \
mbed_official 50:a417edff4437 973 { /* chain | Descriptor A | Descriptor B */ \
mbed_official 50:a417edff4437 974 { \
mbed_official 50:a417edff4437 975 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 0. */ \
mbed_official 50:a417edff4437 976 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 1. */ \
mbed_official 50:a417edff4437 977 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 2. */ \
mbed_official 50:a417edff4437 978 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 3. */ \
mbed_official 50:a417edff4437 979 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 4. */ \
mbed_official 50:a417edff4437 980 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 5. */ \
mbed_official 50:a417edff4437 981 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 6. */ \
mbed_official 50:a417edff4437 982 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 7. */ \
mbed_official 50:a417edff4437 983 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 8. */ \
mbed_official 50:a417edff4437 984 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 9. */ \
mbed_official 50:a417edff4437 985 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 10. */ \
mbed_official 50:a417edff4437 986 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 11. */ \
mbed_official 50:a417edff4437 987 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 12. */ \
mbed_official 50:a417edff4437 988 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 13. */ \
mbed_official 50:a417edff4437 989 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT }, /* Decoder state 14. */ \
mbed_official 50:a417edff4437 990 { false, LESENSE_ST_CONF_DEFAULT, LESENSE_ST_CONF_DEFAULT } /* Decoder state 15. */ \
mbed_official 50:a417edff4437 991 } \
mbed_official 50:a417edff4437 992 }
bogdanm 0:9b334a45a8ff 993
bogdanm 0:9b334a45a8ff 994 /*******************************************************************************
bogdanm 0:9b334a45a8ff 995 ***************************** PROTOTYPES **********************************
bogdanm 0:9b334a45a8ff 996 ******************************************************************************/
bogdanm 0:9b334a45a8ff 997 void LESENSE_Init(LESENSE_Init_TypeDef const *init, bool const reqReset);
bogdanm 0:9b334a45a8ff 998 void LESENSE_Reset(void);
bogdanm 0:9b334a45a8ff 999
bogdanm 0:9b334a45a8ff 1000 uint32_t LESENSE_ScanFreqSet(uint32_t refFreq, uint32_t const scanFreq);
bogdanm 0:9b334a45a8ff 1001 void LESENSE_ScanModeSet(LESENSE_ScanMode_TypeDef const scanMode,
bogdanm 0:9b334a45a8ff 1002 bool const start);
bogdanm 0:9b334a45a8ff 1003
bogdanm 0:9b334a45a8ff 1004 void LESENSE_StartDelaySet(uint8_t const startDelay);
bogdanm 0:9b334a45a8ff 1005
bogdanm 0:9b334a45a8ff 1006 void LESENSE_ClkDivSet(LESENSE_ChClk_TypeDef const clk,
bogdanm 0:9b334a45a8ff 1007 LESENSE_ClkPresc_TypeDef const clkDiv);
bogdanm 0:9b334a45a8ff 1008
bogdanm 0:9b334a45a8ff 1009 void LESENSE_ChannelAllConfig(LESENSE_ChAll_TypeDef const *confChAll);
bogdanm 0:9b334a45a8ff 1010 void LESENSE_ChannelConfig(LESENSE_ChDesc_TypeDef const *confCh,
bogdanm 0:9b334a45a8ff 1011 uint32_t const chIdx);
bogdanm 0:9b334a45a8ff 1012 void LESENSE_ChannelEnable(uint8_t const chIdx,
bogdanm 0:9b334a45a8ff 1013 bool const enaScanCh,
bogdanm 0:9b334a45a8ff 1014 bool const enaPin);
bogdanm 0:9b334a45a8ff 1015 void LESENSE_ChannelEnableMask(uint16_t chMask, uint16_t pinMask);
bogdanm 0:9b334a45a8ff 1016 void LESENSE_ChannelTimingSet(uint8_t const chIdx,
bogdanm 0:9b334a45a8ff 1017 uint8_t const exTime,
bogdanm 0:9b334a45a8ff 1018 uint8_t const sampleDelay,
bogdanm 0:9b334a45a8ff 1019 uint8_t const measDelay);
bogdanm 0:9b334a45a8ff 1020 void LESENSE_ChannelThresSet(uint8_t const chIdx,
bogdanm 0:9b334a45a8ff 1021 uint16_t const acmpThres,
bogdanm 0:9b334a45a8ff 1022 uint16_t const cntThres);
bogdanm 0:9b334a45a8ff 1023
bogdanm 0:9b334a45a8ff 1024 void LESENSE_AltExConfig(LESENSE_ConfAltEx_TypeDef const *confAltEx);
bogdanm 0:9b334a45a8ff 1025
bogdanm 0:9b334a45a8ff 1026 void LESENSE_DecoderStateAllConfig(LESENSE_DecStAll_TypeDef const *confDecStAll);
bogdanm 0:9b334a45a8ff 1027 void LESENSE_DecoderStateConfig(LESENSE_DecStDesc_TypeDef const *confDecSt,
bogdanm 0:9b334a45a8ff 1028 uint32_t const decSt);
bogdanm 0:9b334a45a8ff 1029 void LESENSE_DecoderStateSet(uint32_t decSt);
bogdanm 0:9b334a45a8ff 1030 uint32_t LESENSE_DecoderStateGet(void);
bogdanm 0:9b334a45a8ff 1031
bogdanm 0:9b334a45a8ff 1032 void LESENSE_ScanStart(void);
bogdanm 0:9b334a45a8ff 1033 void LESENSE_ScanStop(void);
bogdanm 0:9b334a45a8ff 1034 void LESENSE_DecoderStart(void);
bogdanm 0:9b334a45a8ff 1035 void LESENSE_ResultBufferClear(void);
bogdanm 0:9b334a45a8ff 1036
bogdanm 0:9b334a45a8ff 1037
bogdanm 0:9b334a45a8ff 1038 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1039 * @brief
bogdanm 0:9b334a45a8ff 1040 * Stop LESENSE decoder.
bogdanm 0:9b334a45a8ff 1041 *
bogdanm 0:9b334a45a8ff 1042 * @details
bogdanm 0:9b334a45a8ff 1043 * This function disables the LESENSE decoder by setting the command to the
bogdanm 0:9b334a45a8ff 1044 * LESENSE_DECCTRL register.
bogdanm 0:9b334a45a8ff 1045 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1046 __STATIC_INLINE void LESENSE_DecoderStop(void)
bogdanm 0:9b334a45a8ff 1047 {
bogdanm 0:9b334a45a8ff 1048 /* Stop the decoder */
bogdanm 0:9b334a45a8ff 1049 LESENSE->DECCTRL |= LESENSE_DECCTRL_DISABLE;
bogdanm 0:9b334a45a8ff 1050 }
bogdanm 0:9b334a45a8ff 1051
bogdanm 0:9b334a45a8ff 1052
bogdanm 0:9b334a45a8ff 1053 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1054 * @brief
bogdanm 0:9b334a45a8ff 1055 * Get the current status of LESENSE.
bogdanm 0:9b334a45a8ff 1056 *
bogdanm 0:9b334a45a8ff 1057 * @return
bogdanm 0:9b334a45a8ff 1058 * This function returns the value of LESENSE_STATUS register that
bogdanm 0:9b334a45a8ff 1059 * contains the OR combination of the following status bits:
bogdanm 0:9b334a45a8ff 1060 * @li LESENSE_STATUS_RESV - Result data valid. Set when data is available
bogdanm 0:9b334a45a8ff 1061 * in the result buffer. Cleared when the buffer is empty.
bogdanm 0:9b334a45a8ff 1062 * @li LESENSE_STATUS_RESFULL - Result buffer full. Set when the result
bogdanm 0:9b334a45a8ff 1063 * buffer is full.
bogdanm 0:9b334a45a8ff 1064 * @li LESENSE_STATUS_RUNNING - LESENSE is active.
bogdanm 0:9b334a45a8ff 1065 * @li LESENSE_STATUS_SCANACTIVE - LESENSE is currently interfacing sensors.
bogdanm 0:9b334a45a8ff 1066 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1067 __STATIC_INLINE uint32_t LESENSE_StatusGet(void)
bogdanm 0:9b334a45a8ff 1068 {
bogdanm 0:9b334a45a8ff 1069 return LESENSE->STATUS;
bogdanm 0:9b334a45a8ff 1070 }
bogdanm 0:9b334a45a8ff 1071
bogdanm 0:9b334a45a8ff 1072
bogdanm 0:9b334a45a8ff 1073 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1074 * @brief
bogdanm 0:9b334a45a8ff 1075 * Wait until the status of LESENSE is equal to what requested.
bogdanm 0:9b334a45a8ff 1076 *
bogdanm 0:9b334a45a8ff 1077 * @details
bogdanm 0:9b334a45a8ff 1078 * This function is polling the LESENSE_STATUS register and waits until the
bogdanm 0:9b334a45a8ff 1079 * requested combination of flags are set.
bogdanm 0:9b334a45a8ff 1080 *
bogdanm 0:9b334a45a8ff 1081 * @param[in] flag
bogdanm 0:9b334a45a8ff 1082 * The OR combination of the following status bits:
bogdanm 0:9b334a45a8ff 1083 * @li LESENSE_STATUS_BUFDATAV - Result data valid. Set when data is available
bogdanm 0:9b334a45a8ff 1084 * in the result buffer. Cleared when the buffer is empty.
bogdanm 0:9b334a45a8ff 1085 * @li LESENSE_STATUS_BUFHALFFULL - Result buffer half full. Set when the
bogdanm 0:9b334a45a8ff 1086 * result buffer is half full.
bogdanm 0:9b334a45a8ff 1087 * @li LESENSE_STATUS_BUFFULL - Result buffer full. Set when the result
bogdanm 0:9b334a45a8ff 1088 * buffer is full.
bogdanm 0:9b334a45a8ff 1089 * @li LESENSE_STATUS_RUNNING - LESENSE is active.
bogdanm 0:9b334a45a8ff 1090 * @li LESENSE_STATUS_SCANACTIVE - LESENSE is currently interfacing sensors.
bogdanm 0:9b334a45a8ff 1091 * @li LESENSE_STATUS_DACACTIVE - The DAC interface is currently active.
bogdanm 0:9b334a45a8ff 1092 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1093 __STATIC_INLINE void LESENSE_StatusWait(uint32_t flag)
bogdanm 0:9b334a45a8ff 1094 {
bogdanm 0:9b334a45a8ff 1095 while (!(LESENSE->STATUS & flag))
bogdanm 0:9b334a45a8ff 1096 ;
bogdanm 0:9b334a45a8ff 1097 }
bogdanm 0:9b334a45a8ff 1098
bogdanm 0:9b334a45a8ff 1099
bogdanm 0:9b334a45a8ff 1100 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1101 * @brief
bogdanm 0:9b334a45a8ff 1102 * Get the currently active channel index.
bogdanm 0:9b334a45a8ff 1103 *
bogdanm 0:9b334a45a8ff 1104 * @return
bogdanm 0:9b334a45a8ff 1105 * This function returns the value of LESENSE_CHINDEX register that
bogdanm 0:9b334a45a8ff 1106 * contains the index of the currently active channel (0-15).
bogdanm 0:9b334a45a8ff 1107 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1108 __STATIC_INLINE uint32_t LESENSE_ChannelActiveGet(void)
bogdanm 0:9b334a45a8ff 1109 {
bogdanm 0:9b334a45a8ff 1110 return LESENSE->CURCH;
bogdanm 0:9b334a45a8ff 1111 }
bogdanm 0:9b334a45a8ff 1112
bogdanm 0:9b334a45a8ff 1113
bogdanm 0:9b334a45a8ff 1114 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1115 * @brief
bogdanm 0:9b334a45a8ff 1116 * Get the latest scan comparison result (1 bit / channel).
bogdanm 0:9b334a45a8ff 1117 *
bogdanm 0:9b334a45a8ff 1118 * @return
bogdanm 0:9b334a45a8ff 1119 * This function returns the value of LESENSE_SCANRES register that
bogdanm 0:9b334a45a8ff 1120 * contains the comparison result of the last scan on all channels.
bogdanm 0:9b334a45a8ff 1121 * Bit x is set if a comparison triggered on channel x, which means that the
bogdanm 0:9b334a45a8ff 1122 * LESENSE counter met the comparison criteria set in LESENSE_CHx_EVAL by
bogdanm 0:9b334a45a8ff 1123 * COMPMODE and CNTTHRES.
bogdanm 0:9b334a45a8ff 1124 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1125 __STATIC_INLINE uint32_t LESENSE_ScanResultGet(void)
bogdanm 0:9b334a45a8ff 1126 {
bogdanm 0:9b334a45a8ff 1127 return LESENSE->SCANRES;
bogdanm 0:9b334a45a8ff 1128 }
bogdanm 0:9b334a45a8ff 1129
bogdanm 0:9b334a45a8ff 1130
bogdanm 0:9b334a45a8ff 1131 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1132 * @brief
bogdanm 0:9b334a45a8ff 1133 * Get the oldest unread data from the result buffer.
bogdanm 0:9b334a45a8ff 1134 *
bogdanm 0:9b334a45a8ff 1135 * @note
bogdanm 0:9b334a45a8ff 1136 * Make sure that the STORERES bit is set in LESENSE_CHx_EVAL, or
bogdanm 0:9b334a45a8ff 1137 * STRSCANRES bit is set in LESENSE_CTRL, otherwise this function will return
bogdanm 0:9b334a45a8ff 1138 * undefined value.
bogdanm 0:9b334a45a8ff 1139 *
bogdanm 0:9b334a45a8ff 1140 * @return
bogdanm 0:9b334a45a8ff 1141 * This function returns the value of LESENSE_RESDATA register that
bogdanm 0:9b334a45a8ff 1142 * contains the oldest unread counter result from the result buffer.
bogdanm 0:9b334a45a8ff 1143 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1144 __STATIC_INLINE uint32_t LESENSE_ScanResultDataGet(void)
bogdanm 0:9b334a45a8ff 1145 {
bogdanm 0:9b334a45a8ff 1146 return LESENSE->BUFDATA;
bogdanm 0:9b334a45a8ff 1147 }
bogdanm 0:9b334a45a8ff 1148
bogdanm 0:9b334a45a8ff 1149
bogdanm 0:9b334a45a8ff 1150 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1151 * @brief
bogdanm 0:9b334a45a8ff 1152 * Get data from the result data buffer.
bogdanm 0:9b334a45a8ff 1153 *
bogdanm 0:9b334a45a8ff 1154 * @note
bogdanm 0:9b334a45a8ff 1155 * Make sure that the STORERES bit is set in LESENSE_CHx_EVAL, or
bogdanm 0:9b334a45a8ff 1156 * STRSCANRES bit is set in LESENSE_CTRL, otherwise this function will return
bogdanm 0:9b334a45a8ff 1157 * undefined value.
bogdanm 0:9b334a45a8ff 1158 *
bogdanm 0:9b334a45a8ff 1159 * @param[in] idx
bogdanm 0:9b334a45a8ff 1160 * Result data buffer index. Valid range: 0-15.
bogdanm 0:9b334a45a8ff 1161 *
bogdanm 0:9b334a45a8ff 1162 * @return
bogdanm 0:9b334a45a8ff 1163 * This function returns the selected word from the result data buffer.
bogdanm 0:9b334a45a8ff 1164 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1165 __STATIC_INLINE uint32_t LESENSE_ScanResultDataBufferGet(uint32_t idx)
bogdanm 0:9b334a45a8ff 1166 {
bogdanm 0:9b334a45a8ff 1167 /* Note: masking is needed to avoid over-indexing! */
bogdanm 0:9b334a45a8ff 1168 return LESENSE->BUF[idx & 0x0FU].DATA;
bogdanm 0:9b334a45a8ff 1169 }
bogdanm 0:9b334a45a8ff 1170
bogdanm 0:9b334a45a8ff 1171 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1172 * @brief
bogdanm 0:9b334a45a8ff 1173 * Get the current state of the LESENSE sensor.
bogdanm 0:9b334a45a8ff 1174 *
bogdanm 0:9b334a45a8ff 1175 * @return
bogdanm 0:9b334a45a8ff 1176 * This function returns the value of LESENSE_SENSORSTATE register that
bogdanm 0:9b334a45a8ff 1177 * represents the current state of the LESENSE sensor.
bogdanm 0:9b334a45a8ff 1178 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1179 __STATIC_INLINE uint32_t LESENSE_SensorStateGet(void)
bogdanm 0:9b334a45a8ff 1180 {
bogdanm 0:9b334a45a8ff 1181 return LESENSE->SENSORSTATE;
bogdanm 0:9b334a45a8ff 1182 }
bogdanm 0:9b334a45a8ff 1183
bogdanm 0:9b334a45a8ff 1184
bogdanm 0:9b334a45a8ff 1185 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1186 * @brief
bogdanm 0:9b334a45a8ff 1187 * Shut off power to the LESENSE RAM, disables LESENSE.
bogdanm 0:9b334a45a8ff 1188 *
bogdanm 0:9b334a45a8ff 1189 * @details
bogdanm 0:9b334a45a8ff 1190 * This function shuts off the LESENSE RAM in order to decrease the leakage
mbed_official 50:a417edff4437 1191 * current of the mcu if LESENSE is not used in your application.
bogdanm 0:9b334a45a8ff 1192 *
bogdanm 0:9b334a45a8ff 1193 * @note
bogdanm 0:9b334a45a8ff 1194 * Warning! Once the LESENSE RAM is powered down, it cannot be powered up
bogdanm 0:9b334a45a8ff 1195 * again.
bogdanm 0:9b334a45a8ff 1196 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1197 __STATIC_INLINE void LESENSE_RAMPowerDown(void)
bogdanm 0:9b334a45a8ff 1198 {
bogdanm 0:9b334a45a8ff 1199 /* Power down LESENSE RAM */
bogdanm 0:9b334a45a8ff 1200 LESENSE->POWERDOWN = LESENSE_POWERDOWN_RAM;
bogdanm 0:9b334a45a8ff 1201 }
bogdanm 0:9b334a45a8ff 1202
bogdanm 0:9b334a45a8ff 1203
bogdanm 0:9b334a45a8ff 1204 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1205 * @brief
bogdanm 0:9b334a45a8ff 1206 * Clear one or more pending LESENSE interrupts.
bogdanm 0:9b334a45a8ff 1207 *
bogdanm 0:9b334a45a8ff 1208 * @param[in] flags
bogdanm 0:9b334a45a8ff 1209 * Pending LESENSE interrupt sources to clear. Use a set of interrupt flags
bogdanm 0:9b334a45a8ff 1210 * OR-ed together to clear multiple interrupt sources of the LESENSE module
bogdanm 0:9b334a45a8ff 1211 * (LESENSE_IF_nnn).
bogdanm 0:9b334a45a8ff 1212 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1213 __STATIC_INLINE void LESENSE_IntClear(uint32_t flags)
bogdanm 0:9b334a45a8ff 1214 {
bogdanm 0:9b334a45a8ff 1215 LESENSE->IFC = flags;
bogdanm 0:9b334a45a8ff 1216 }
bogdanm 0:9b334a45a8ff 1217
bogdanm 0:9b334a45a8ff 1218
bogdanm 0:9b334a45a8ff 1219 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1220 * @brief
bogdanm 0:9b334a45a8ff 1221 * Enable one or more LESENSE interrupts.
bogdanm 0:9b334a45a8ff 1222 *
bogdanm 0:9b334a45a8ff 1223 * @param[in] flags
bogdanm 0:9b334a45a8ff 1224 * LESENSE interrupt sources to enable. Use a set of interrupt flags OR-ed
bogdanm 0:9b334a45a8ff 1225 * together to enable multiple interrupt sources of the LESENSE module
bogdanm 0:9b334a45a8ff 1226 * (LESENSE_IF_nnn).
bogdanm 0:9b334a45a8ff 1227 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1228 __STATIC_INLINE void LESENSE_IntEnable(uint32_t flags)
bogdanm 0:9b334a45a8ff 1229 {
bogdanm 0:9b334a45a8ff 1230 LESENSE->IEN |= flags;
bogdanm 0:9b334a45a8ff 1231 }
bogdanm 0:9b334a45a8ff 1232
bogdanm 0:9b334a45a8ff 1233
bogdanm 0:9b334a45a8ff 1234 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1235 * @brief
bogdanm 0:9b334a45a8ff 1236 * Disable one or more LESENSE interrupts.
bogdanm 0:9b334a45a8ff 1237 *
bogdanm 0:9b334a45a8ff 1238 * @param[in] flags
bogdanm 0:9b334a45a8ff 1239 * LESENSE interrupt sources to disable. Use a set of interrupt flags OR-ed
bogdanm 0:9b334a45a8ff 1240 * together to disable multiple interrupt sources of the LESENSE module
bogdanm 0:9b334a45a8ff 1241 * (LESENSE_IF_nnn).
bogdanm 0:9b334a45a8ff 1242 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1243 __STATIC_INLINE void LESENSE_IntDisable(uint32_t flags)
bogdanm 0:9b334a45a8ff 1244 {
mbed_official 50:a417edff4437 1245 LESENSE->IEN &= ~flags;
bogdanm 0:9b334a45a8ff 1246 }
bogdanm 0:9b334a45a8ff 1247
bogdanm 0:9b334a45a8ff 1248
bogdanm 0:9b334a45a8ff 1249 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1250 * @brief
bogdanm 0:9b334a45a8ff 1251 * Set one or more pending LESENSE interrupts from SW.
bogdanm 0:9b334a45a8ff 1252 *
bogdanm 0:9b334a45a8ff 1253 * @param[in] flags
bogdanm 0:9b334a45a8ff 1254 * LESENSE interrupt sources to set to pending. Use a set of interrupt
bogdanm 0:9b334a45a8ff 1255 * flags OR-ed together to set multiple interrupt sources of the LESENSE
bogdanm 0:9b334a45a8ff 1256 * module (LESENSE_IFS_nnn).
bogdanm 0:9b334a45a8ff 1257 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1258 __STATIC_INLINE void LESENSE_IntSet(uint32_t flags)
bogdanm 0:9b334a45a8ff 1259 {
bogdanm 0:9b334a45a8ff 1260 LESENSE->IFS = flags;
bogdanm 0:9b334a45a8ff 1261 }
bogdanm 0:9b334a45a8ff 1262
bogdanm 0:9b334a45a8ff 1263
bogdanm 0:9b334a45a8ff 1264 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1265 * @brief
bogdanm 0:9b334a45a8ff 1266 * Get pending LESENSE interrupt flags.
bogdanm 0:9b334a45a8ff 1267 *
bogdanm 0:9b334a45a8ff 1268 * @note
bogdanm 0:9b334a45a8ff 1269 * The event bits are not cleared by the use of this function.
bogdanm 0:9b334a45a8ff 1270 *
bogdanm 0:9b334a45a8ff 1271 * @return
bogdanm 0:9b334a45a8ff 1272 * Pending LESENSE interrupt sources. The OR combination of valid interrupt
bogdanm 0:9b334a45a8ff 1273 * flags of the LESENSE module (LESENSE_IF_nnn).
bogdanm 0:9b334a45a8ff 1274 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1275 __STATIC_INLINE uint32_t LESENSE_IntGet(void)
bogdanm 0:9b334a45a8ff 1276 {
bogdanm 0:9b334a45a8ff 1277 return LESENSE->IF;
bogdanm 0:9b334a45a8ff 1278 }
bogdanm 0:9b334a45a8ff 1279
bogdanm 0:9b334a45a8ff 1280
bogdanm 0:9b334a45a8ff 1281 /***************************************************************************//**
bogdanm 0:9b334a45a8ff 1282 * @brief
bogdanm 0:9b334a45a8ff 1283 * Get enabled and pending LESENSE interrupt flags.
bogdanm 0:9b334a45a8ff 1284 *
bogdanm 0:9b334a45a8ff 1285 * @details
bogdanm 0:9b334a45a8ff 1286 * Useful for handling more interrupt sources in the same interrupt handler.
bogdanm 0:9b334a45a8ff 1287 *
bogdanm 0:9b334a45a8ff 1288 * @note
bogdanm 0:9b334a45a8ff 1289 * The event bits are not cleared by the use of this function.
bogdanm 0:9b334a45a8ff 1290 *
bogdanm 0:9b334a45a8ff 1291 * @return
bogdanm 0:9b334a45a8ff 1292 * Pending and enabled LESENSE interrupt sources.
bogdanm 0:9b334a45a8ff 1293 * The return value is the bitwise AND combination of
bogdanm 0:9b334a45a8ff 1294 * - the OR combination of enabled interrupt sources in LESENSE_IEN_nnn
bogdanm 0:9b334a45a8ff 1295 * register (LESENSE_IEN_nnn) and
bogdanm 0:9b334a45a8ff 1296 * - the OR combination of valid interrupt flags of the LESENSE module
bogdanm 0:9b334a45a8ff 1297 * (LESENSE_IF_nnn).
bogdanm 0:9b334a45a8ff 1298 ******************************************************************************/
bogdanm 0:9b334a45a8ff 1299 __STATIC_INLINE uint32_t LESENSE_IntGetEnabled(void)
bogdanm 0:9b334a45a8ff 1300 {
bogdanm 0:9b334a45a8ff 1301 uint32_t tmp;
bogdanm 0:9b334a45a8ff 1302
bogdanm 0:9b334a45a8ff 1303 /* Store LESENSE->IEN in temporary variable in order to define explicit order
bogdanm 0:9b334a45a8ff 1304 * of volatile accesses. */
bogdanm 0:9b334a45a8ff 1305 tmp = LESENSE->IEN;
bogdanm 0:9b334a45a8ff 1306
bogdanm 0:9b334a45a8ff 1307 /* Bitwise AND of pending and enabled interrupts */
bogdanm 0:9b334a45a8ff 1308 return LESENSE->IF & tmp;
bogdanm 0:9b334a45a8ff 1309 }
bogdanm 0:9b334a45a8ff 1310
bogdanm 0:9b334a45a8ff 1311
bogdanm 0:9b334a45a8ff 1312 /** @} (end addtogroup LESENSE) */
bogdanm 0:9b334a45a8ff 1313 /** @} (end addtogroup EM_Library) */
bogdanm 0:9b334a45a8ff 1314
bogdanm 0:9b334a45a8ff 1315 #ifdef __cplusplus
bogdanm 0:9b334a45a8ff 1316 }
bogdanm 0:9b334a45a8ff 1317 #endif
bogdanm 0:9b334a45a8ff 1318
bogdanm 0:9b334a45a8ff 1319 #endif /* defined(LESENSE_COUNT) && (LESENSE_COUNT > 0) */
bogdanm 0:9b334a45a8ff 1320
mbed_official 50:a417edff4437 1321 #endif /* __SILICON_LABS_EM_LESENSE_H__ */