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targets/TARGET_Silicon_Labs/TARGET_EFM32/emlib/inc/em_vcmp.h@179:b0033dcd6934, 2017-12-07 (annotated)

Committer:
AnnaBridge
Date:
Thu Dec 07 14:01:42 2017 +0000
Revision:
179:b0033dcd6934
Parent:
161:2cc1468da177 
mbed-dev library. Release version 157

Who changed what in which revision?

UserRevisionLine numberNew contents of line
<> 144:ef7eb2e8f9f7 1 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 2 * @file em_vcmp.h
<> 144:ef7eb2e8f9f7 3 * @brief Voltage Comparator (VCMP) peripheral API
AnnaBridge 179:b0033dcd6934 4 * @version 5.3.3
<> 144:ef7eb2e8f9f7 5 *******************************************************************************
AnnaBridge 179:b0033dcd6934 6 * # License
<> 150:02e0a0aed4ec 7 * <b>Copyright 2016 Silicon Laboratories, Inc. http://www.silabs.com</b>
<> 144:ef7eb2e8f9f7 8 *******************************************************************************
<> 144:ef7eb2e8f9f7 9 *
<> 144:ef7eb2e8f9f7 10 * Permission is granted to anyone to use this software for any purpose,
<> 144:ef7eb2e8f9f7 11 * including commercial applications, and to alter it and redistribute it
<> 144:ef7eb2e8f9f7 12 * freely, subject to the following restrictions:
<> 144:ef7eb2e8f9f7 13 *
<> 144:ef7eb2e8f9f7 14 * 1. The origin of this software must not be misrepresented; you must not
<> 144:ef7eb2e8f9f7 15 * claim that you wrote the original software.
<> 144:ef7eb2e8f9f7 16 * 2. Altered source versions must be plainly marked as such, and must not be
<> 144:ef7eb2e8f9f7 17 * misrepresented as being the original software.
<> 144:ef7eb2e8f9f7 18 * 3. This notice may not be removed or altered from any source distribution.
<> 144:ef7eb2e8f9f7 19 *
<> 144:ef7eb2e8f9f7 20 * DISCLAIMER OF WARRANTY/LIMITATION OF REMEDIES: Silicon Labs has no
<> 144:ef7eb2e8f9f7 21 * obligation to support this Software. Silicon Labs is providing the
<> 144:ef7eb2e8f9f7 22 * Software "AS IS", with no express or implied warranties of any kind,
<> 144:ef7eb2e8f9f7 23 * including, but not limited to, any implied warranties of merchantability
<> 144:ef7eb2e8f9f7 24 * or fitness for any particular purpose or warranties against infringement
<> 144:ef7eb2e8f9f7 25 * of any proprietary rights of a third party.
<> 144:ef7eb2e8f9f7 26 *
<> 144:ef7eb2e8f9f7 27 * Silicon Labs will not be liable for any consequential, incidental, or
<> 144:ef7eb2e8f9f7 28 * special damages, or any other relief, or for any claim by any third party,
<> 144:ef7eb2e8f9f7 29 * arising from your use of this Software.
<> 144:ef7eb2e8f9f7 30 *
<> 144:ef7eb2e8f9f7 31 ******************************************************************************/
<> 144:ef7eb2e8f9f7 32
<> 150:02e0a0aed4ec 33 #ifndef EM_VCMP_H
<> 150:02e0a0aed4ec 34 #define EM_VCMP_H
<> 144:ef7eb2e8f9f7 35
<> 144:ef7eb2e8f9f7 36 #include "em_device.h"
<> 144:ef7eb2e8f9f7 37 #if defined(VCMP_COUNT) && (VCMP_COUNT > 0)
<> 144:ef7eb2e8f9f7 38
<> 144:ef7eb2e8f9f7 39 #include <stdint.h>
<> 144:ef7eb2e8f9f7 40 #include <stdbool.h>
<> 144:ef7eb2e8f9f7 41
<> 144:ef7eb2e8f9f7 42 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 43 extern "C" {
<> 144:ef7eb2e8f9f7 44 #endif
<> 144:ef7eb2e8f9f7 45
<> 144:ef7eb2e8f9f7 46 /***************************************************************************//**
<> 150:02e0a0aed4ec 47 * @addtogroup emlib
<> 144:ef7eb2e8f9f7 48 * @{
<> 144:ef7eb2e8f9f7 49 ******************************************************************************/
<> 144:ef7eb2e8f9f7 50
<> 144:ef7eb2e8f9f7 51 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 52 * @addtogroup VCMP
<> 144:ef7eb2e8f9f7 53 * @{
<> 144:ef7eb2e8f9f7 54 ******************************************************************************/
<> 144:ef7eb2e8f9f7 55
<> 144:ef7eb2e8f9f7 56 /*******************************************************************************
<> 144:ef7eb2e8f9f7 57 ******************************** ENUMS ************************************
<> 144:ef7eb2e8f9f7 58 ******************************************************************************/
<> 144:ef7eb2e8f9f7 59
<> 144:ef7eb2e8f9f7 60 /** Warm-up Time in High Frequency Peripheral Clock cycles */
AnnaBridge 179:b0033dcd6934 61 typedef enum {
<> 144:ef7eb2e8f9f7 62 /** 4 cycles */
<> 144:ef7eb2e8f9f7 63 vcmpWarmTime4Cycles = _VCMP_CTRL_WARMTIME_4CYCLES,
<> 144:ef7eb2e8f9f7 64 /** 8 cycles */
<> 144:ef7eb2e8f9f7 65 vcmpWarmTime8Cycles = _VCMP_CTRL_WARMTIME_8CYCLES,
<> 144:ef7eb2e8f9f7 66 /** 16 cycles */
<> 144:ef7eb2e8f9f7 67 vcmpWarmTime16Cycles = _VCMP_CTRL_WARMTIME_16CYCLES,
<> 144:ef7eb2e8f9f7 68 /** 32 cycles */
<> 144:ef7eb2e8f9f7 69 vcmpWarmTime32Cycles = _VCMP_CTRL_WARMTIME_32CYCLES,
<> 144:ef7eb2e8f9f7 70 /** 64 cycles */
<> 144:ef7eb2e8f9f7 71 vcmpWarmTime64Cycles = _VCMP_CTRL_WARMTIME_64CYCLES,
<> 144:ef7eb2e8f9f7 72 /** 128 cycles */
<> 144:ef7eb2e8f9f7 73 vcmpWarmTime128Cycles = _VCMP_CTRL_WARMTIME_128CYCLES,
<> 144:ef7eb2e8f9f7 74 /** 256 cycles */
<> 144:ef7eb2e8f9f7 75 vcmpWarmTime256Cycles = _VCMP_CTRL_WARMTIME_256CYCLES,
<> 144:ef7eb2e8f9f7 76 /** 512 cycles */
<> 144:ef7eb2e8f9f7 77 vcmpWarmTime512Cycles = _VCMP_CTRL_WARMTIME_512CYCLES
<> 144:ef7eb2e8f9f7 78 } VCMP_WarmTime_TypeDef;
<> 144:ef7eb2e8f9f7 79
<> 144:ef7eb2e8f9f7 80 /** Hyseresis configuration */
AnnaBridge 179:b0033dcd6934 81 typedef enum {
<> 144:ef7eb2e8f9f7 82 /** Normal operation, no hysteresis */
<> 144:ef7eb2e8f9f7 83 vcmpHystNone,
<> 144:ef7eb2e8f9f7 84 /** Digital output will not toggle until positive edge is at least
<> 144:ef7eb2e8f9f7 85 * 20mV above or below negative input voltage */
<> 144:ef7eb2e8f9f7 86 vcmpHyst20mV
<> 144:ef7eb2e8f9f7 87 } VCMP_Hysteresis_TypeDef;
<> 144:ef7eb2e8f9f7 88
<> 144:ef7eb2e8f9f7 89 /*******************************************************************************
<> 144:ef7eb2e8f9f7 90 ******************************* STRUCTS ***********************************
<> 144:ef7eb2e8f9f7 91 ******************************************************************************/
<> 144:ef7eb2e8f9f7 92
<> 144:ef7eb2e8f9f7 93 /** VCMP Initialization structure */
AnnaBridge 179:b0033dcd6934 94 typedef struct {
<> 144:ef7eb2e8f9f7 95 /** If set to true, will reduce by half the bias current */
<> 144:ef7eb2e8f9f7 96 bool halfBias;
<> 144:ef7eb2e8f9f7 97 /** BIAS current configuration, depends on halfBias setting,
<> 144:ef7eb2e8f9f7 98 * above, see reference manual */
<> 144:ef7eb2e8f9f7 99 int biasProg;
<> 144:ef7eb2e8f9f7 100 /** Enable interrupt for falling edge */
<> 144:ef7eb2e8f9f7 101 bool irqFalling;
<> 144:ef7eb2e8f9f7 102 /** Enable interrupt for rising edge */
<> 144:ef7eb2e8f9f7 103 bool irqRising;
<> 144:ef7eb2e8f9f7 104 /** Warm-up time in clock cycles */
<> 144:ef7eb2e8f9f7 105 VCMP_WarmTime_TypeDef warmup;
<> 144:ef7eb2e8f9f7 106 /** Hysteresis configuration */
<> 144:ef7eb2e8f9f7 107 VCMP_Hysteresis_TypeDef hyst;
<> 144:ef7eb2e8f9f7 108 /** Output value when comparator is inactive, should be 0 or 1 */
<> 144:ef7eb2e8f9f7 109 int inactive;
<> 144:ef7eb2e8f9f7 110 /** Enable low power mode for VDD and bandgap reference */
<> 144:ef7eb2e8f9f7 111 bool lowPowerRef;
<> 144:ef7eb2e8f9f7 112 /** Trigger level, according to formula
<> 144:ef7eb2e8f9f7 113 * VDD Trigger Level = 1.667V + 0.034V x triggerLevel */
<> 144:ef7eb2e8f9f7 114 int triggerLevel;
<> 144:ef7eb2e8f9f7 115 /** Enable VCMP after configuration */
<> 144:ef7eb2e8f9f7 116 bool enable;
<> 144:ef7eb2e8f9f7 117 } VCMP_Init_TypeDef;
<> 144:ef7eb2e8f9f7 118
<> 144:ef7eb2e8f9f7 119 /** Default VCMP initialization structure */
<> 144:ef7eb2e8f9f7 120 #define VCMP_INIT_DEFAULT \
AnnaBridge 179:b0033dcd6934 121 { \
AnnaBridge 179:b0033dcd6934 122 true, /** Half Bias enabled */ \
AnnaBridge 179:b0033dcd6934 123 0x7, /** Bias curernt 0.7 uA when half bias enabled */ \
AnnaBridge 179:b0033dcd6934 124 false, /** Falling edge sense not enabled */ \
AnnaBridge 179:b0033dcd6934 125 false, /** Rising edge sense not enabled */ \
AnnaBridge 179:b0033dcd6934 126 vcmpWarmTime4Cycles, /** 4 clock cycles warm-up time */ \
AnnaBridge 179:b0033dcd6934 127 vcmpHystNone, /** No hysteresis */ \
AnnaBridge 179:b0033dcd6934 128 0, /** 0 in digital ouput when inactive */ \
AnnaBridge 179:b0033dcd6934 129 true, /** Do not use low power reference */ \
AnnaBridge 179:b0033dcd6934 130 39, /** Trigger level just below 3V */ \
AnnaBridge 179:b0033dcd6934 131 true, /** Enable after init */ \
AnnaBridge 179:b0033dcd6934 132 }
<> 144:ef7eb2e8f9f7 133
<> 144:ef7eb2e8f9f7 134 /*******************************************************************************
<> 144:ef7eb2e8f9f7 135 ***************************** PROTOTYPES **********************************
<> 144:ef7eb2e8f9f7 136 ******************************************************************************/
<> 144:ef7eb2e8f9f7 137
<> 144:ef7eb2e8f9f7 138 void VCMP_Init(const VCMP_Init_TypeDef *vcmpInit);
<> 144:ef7eb2e8f9f7 139 void VCMP_LowPowerRefSet(bool enable);
<> 144:ef7eb2e8f9f7 140 void VCMP_TriggerSet(int level);
<> 144:ef7eb2e8f9f7 141
<> 144:ef7eb2e8f9f7 142 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 143 * @brief
<> 144:ef7eb2e8f9f7 144 * Enable Voltage Comparator
<> 144:ef7eb2e8f9f7 145 ******************************************************************************/
<> 144:ef7eb2e8f9f7 146 __STATIC_INLINE void VCMP_Enable(void)
<> 144:ef7eb2e8f9f7 147 {
<> 144:ef7eb2e8f9f7 148 VCMP->CTRL |= VCMP_CTRL_EN;
<> 144:ef7eb2e8f9f7 149 }
<> 144:ef7eb2e8f9f7 150
<> 144:ef7eb2e8f9f7 151 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 152 * @brief
<> 144:ef7eb2e8f9f7 153 * Disable Voltage Comparator
<> 144:ef7eb2e8f9f7 154 ******************************************************************************/
<> 144:ef7eb2e8f9f7 155 __STATIC_INLINE void VCMP_Disable(void)
<> 144:ef7eb2e8f9f7 156 {
<> 144:ef7eb2e8f9f7 157 VCMP->CTRL &= ~VCMP_CTRL_EN;
<> 144:ef7eb2e8f9f7 158 }
<> 144:ef7eb2e8f9f7 159
<> 144:ef7eb2e8f9f7 160 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 161 * @brief
<> 144:ef7eb2e8f9f7 162 * Calculate voltage to trigger level
<> 144:ef7eb2e8f9f7 163 *
<> 144:ef7eb2e8f9f7 164 * @note
<> 144:ef7eb2e8f9f7 165 * You need soft float support for this function to be working
<> 144:ef7eb2e8f9f7 166 *
<> 144:ef7eb2e8f9f7 167 * @param[in] v
<> 144:ef7eb2e8f9f7 168 * Voltage Level for trigger
<> 144:ef7eb2e8f9f7 169 ******************************************************************************/
<> 144:ef7eb2e8f9f7 170 __STATIC_INLINE uint32_t VCMP_VoltageToLevel(float v)
<> 144:ef7eb2e8f9f7 171 {
<> 144:ef7eb2e8f9f7 172 return (uint32_t)((v - (float)1.667) / (float)0.034);
<> 144:ef7eb2e8f9f7 173 }
<> 144:ef7eb2e8f9f7 174
<> 144:ef7eb2e8f9f7 175 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 176 * @brief
<> 144:ef7eb2e8f9f7 177 * Returns true, if Voltage Comparator indicated VDD < trigger level, else
<> 144:ef7eb2e8f9f7 178 * false
<> 144:ef7eb2e8f9f7 179 ******************************************************************************/
<> 144:ef7eb2e8f9f7 180 __STATIC_INLINE bool VCMP_VDDLower(void)
<> 144:ef7eb2e8f9f7 181 {
AnnaBridge 179:b0033dcd6934 182 if (VCMP->STATUS & VCMP_STATUS_VCMPOUT) {
<> 144:ef7eb2e8f9f7 183 return false;
AnnaBridge 179:b0033dcd6934 184 } else {
<> 144:ef7eb2e8f9f7 185 return true;
<> 144:ef7eb2e8f9f7 186 }
<> 144:ef7eb2e8f9f7 187 }
<> 144:ef7eb2e8f9f7 188
<> 144:ef7eb2e8f9f7 189 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 190 * @brief
<> 144:ef7eb2e8f9f7 191 * Returns true, if Voltage Comparator indicated VDD > trigger level, else
<> 144:ef7eb2e8f9f7 192 * false
<> 144:ef7eb2e8f9f7 193 ******************************************************************************/
<> 144:ef7eb2e8f9f7 194 __STATIC_INLINE bool VCMP_VDDHigher(void)
<> 144:ef7eb2e8f9f7 195 {
AnnaBridge 179:b0033dcd6934 196 if (VCMP->STATUS & VCMP_STATUS_VCMPOUT) {
<> 144:ef7eb2e8f9f7 197 return true;
AnnaBridge 179:b0033dcd6934 198 } else {
<> 144:ef7eb2e8f9f7 199 return false;
<> 144:ef7eb2e8f9f7 200 }
<> 144:ef7eb2e8f9f7 201 }
<> 144:ef7eb2e8f9f7 202
<> 144:ef7eb2e8f9f7 203 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 204 * @brief
<> 144:ef7eb2e8f9f7 205 * VCMP output is ready
<> 144:ef7eb2e8f9f7 206 ******************************************************************************/
<> 144:ef7eb2e8f9f7 207 __STATIC_INLINE bool VCMP_Ready(void)
<> 144:ef7eb2e8f9f7 208 {
AnnaBridge 179:b0033dcd6934 209 if (VCMP->STATUS & VCMP_STATUS_VCMPACT) {
<> 144:ef7eb2e8f9f7 210 return true;
AnnaBridge 179:b0033dcd6934 211 } else {
<> 144:ef7eb2e8f9f7 212 return false;
<> 144:ef7eb2e8f9f7 213 }
<> 144:ef7eb2e8f9f7 214 }
<> 144:ef7eb2e8f9f7 215
<> 144:ef7eb2e8f9f7 216 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 217 * @brief
<> 144:ef7eb2e8f9f7 218 * Clear one or more pending VCMP interrupts.
<> 144:ef7eb2e8f9f7 219 *
<> 144:ef7eb2e8f9f7 220 * @param[in] flags
<> 144:ef7eb2e8f9f7 221 * VCMP interrupt sources to clear. Use a set of interrupt flags OR-ed
<> 144:ef7eb2e8f9f7 222 * together to clear multiple interrupt sources for the VCMP module
<> 144:ef7eb2e8f9f7 223 * (VCMP_IFS_nnn).
<> 144:ef7eb2e8f9f7 224 ******************************************************************************/
<> 144:ef7eb2e8f9f7 225 __STATIC_INLINE void VCMP_IntClear(uint32_t flags)
<> 144:ef7eb2e8f9f7 226 {
<> 144:ef7eb2e8f9f7 227 VCMP->IFC = flags;
<> 144:ef7eb2e8f9f7 228 }
<> 144:ef7eb2e8f9f7 229
<> 144:ef7eb2e8f9f7 230 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 231 * @brief
<> 144:ef7eb2e8f9f7 232 * Set one or more pending VCMP interrupts from SW.
<> 144:ef7eb2e8f9f7 233 *
<> 144:ef7eb2e8f9f7 234 * @param[in] flags
<> 144:ef7eb2e8f9f7 235 * VCMP interrupt sources to set to pending. Use a set of interrupt flags
<> 144:ef7eb2e8f9f7 236 * OR-ed together to set multiple interrupt sources for the VCMP module
<> 144:ef7eb2e8f9f7 237 * (VCMP_IFS_nnn).
<> 144:ef7eb2e8f9f7 238 ******************************************************************************/
<> 144:ef7eb2e8f9f7 239 __STATIC_INLINE void VCMP_IntSet(uint32_t flags)
<> 144:ef7eb2e8f9f7 240 {
<> 144:ef7eb2e8f9f7 241 VCMP->IFS = flags;
<> 144:ef7eb2e8f9f7 242 }
<> 144:ef7eb2e8f9f7 243
<> 144:ef7eb2e8f9f7 244 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 245 * @brief
<> 144:ef7eb2e8f9f7 246 * Disable one or more VCMP interrupts
<> 144:ef7eb2e8f9f7 247 *
<> 144:ef7eb2e8f9f7 248 * @param[in] flags
<> 144:ef7eb2e8f9f7 249 * VCMP interrupt sources to enable. Use a set of interrupt flags OR-ed
<> 144:ef7eb2e8f9f7 250 * together to set multiple interrupt sources for the VCMP module
<> 144:ef7eb2e8f9f7 251 * (VCMP_IFS_nnn).
<> 144:ef7eb2e8f9f7 252 ******************************************************************************/
<> 144:ef7eb2e8f9f7 253 __STATIC_INLINE void VCMP_IntDisable(uint32_t flags)
<> 144:ef7eb2e8f9f7 254 {
<> 144:ef7eb2e8f9f7 255 VCMP->IEN &= ~flags;
<> 144:ef7eb2e8f9f7 256 }
<> 144:ef7eb2e8f9f7 257
<> 144:ef7eb2e8f9f7 258 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 259 * @brief
<> 144:ef7eb2e8f9f7 260 * Enable one or more VCMP interrupts
<> 144:ef7eb2e8f9f7 261 *
<> 144:ef7eb2e8f9f7 262 * @param[in] flags
<> 144:ef7eb2e8f9f7 263 * VCMP interrupt sources to enable. Use a set of interrupt flags OR-ed
<> 144:ef7eb2e8f9f7 264 * together to set multiple interrupt sources for the VCMP module
<> 144:ef7eb2e8f9f7 265 * (VCMP_IFS_nnn).
<> 144:ef7eb2e8f9f7 266 ******************************************************************************/
<> 144:ef7eb2e8f9f7 267 __STATIC_INLINE void VCMP_IntEnable(uint32_t flags)
<> 144:ef7eb2e8f9f7 268 {
<> 144:ef7eb2e8f9f7 269 VCMP->IEN |= flags;
<> 144:ef7eb2e8f9f7 270 }
<> 144:ef7eb2e8f9f7 271
<> 144:ef7eb2e8f9f7 272 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 273 * @brief
<> 144:ef7eb2e8f9f7 274 * Get pending VCMP interrupt flags
<> 144:ef7eb2e8f9f7 275 *
<> 144:ef7eb2e8f9f7 276 * @note
<> 144:ef7eb2e8f9f7 277 * The event bits are not cleared by the use of this function
<> 144:ef7eb2e8f9f7 278 *
<> 144:ef7eb2e8f9f7 279 * @return
<> 144:ef7eb2e8f9f7 280 * Pending VCMP interrupt sources. Returns a set of interrupt flags OR-ed
<> 144:ef7eb2e8f9f7 281 * together for multiple interrupt sources in the VCMP module (VCMP_IFS_nnn).
<> 144:ef7eb2e8f9f7 282 ******************************************************************************/
<> 144:ef7eb2e8f9f7 283 __STATIC_INLINE uint32_t VCMP_IntGet(void)
<> 144:ef7eb2e8f9f7 284 {
<> 144:ef7eb2e8f9f7 285 return VCMP->IF;
<> 144:ef7eb2e8f9f7 286 }
<> 144:ef7eb2e8f9f7 287
<> 144:ef7eb2e8f9f7 288 /***************************************************************************//**
<> 144:ef7eb2e8f9f7 289 * @brief
<> 144:ef7eb2e8f9f7 290 * Get enabled and pending VCMP interrupt flags.
<> 144:ef7eb2e8f9f7 291 *
<> 144:ef7eb2e8f9f7 292 * @details
<> 144:ef7eb2e8f9f7 293 * Useful for handling more interrupt sources in the same interrupt handler.
<> 144:ef7eb2e8f9f7 294 *
<> 144:ef7eb2e8f9f7 295 * @note
<> 144:ef7eb2e8f9f7 296 * The event bits are not cleared by the use of this function.
<> 144:ef7eb2e8f9f7 297 *
<> 144:ef7eb2e8f9f7 298 * @return
<> 144:ef7eb2e8f9f7 299 * Pending and enabled VCMP interrupt sources.
<> 144:ef7eb2e8f9f7 300 * The return value is the bitwise AND combination of
<> 144:ef7eb2e8f9f7 301 * - the OR combination of enabled interrupt sources in VCMP_IEN_nnn
<> 144:ef7eb2e8f9f7 302 * register (VCMP_IEN_nnn) and
<> 144:ef7eb2e8f9f7 303 * - the OR combination of valid interrupt flags of the VCMP module
<> 144:ef7eb2e8f9f7 304 * (VCMP_IF_nnn).
<> 144:ef7eb2e8f9f7 305 ******************************************************************************/
<> 144:ef7eb2e8f9f7 306 __STATIC_INLINE uint32_t VCMP_IntGetEnabled(void)
<> 144:ef7eb2e8f9f7 307 {
<> 144:ef7eb2e8f9f7 308 uint32_t tmp = 0U;
<> 144:ef7eb2e8f9f7 309
<> 144:ef7eb2e8f9f7 310 /* Store VCMP->IEN in temporary variable in order to define explicit order
<> 144:ef7eb2e8f9f7 311 * of volatile accesses. */
<> 144:ef7eb2e8f9f7 312 tmp = VCMP->IEN;
<> 144:ef7eb2e8f9f7 313
<> 144:ef7eb2e8f9f7 314 /* Bitwise AND of pending and enabled interrupts */
<> 144:ef7eb2e8f9f7 315 return VCMP->IF & tmp;
<> 144:ef7eb2e8f9f7 316 }
<> 144:ef7eb2e8f9f7 317
<> 144:ef7eb2e8f9f7 318 /** @} (end addtogroup VCMP) */
<> 150:02e0a0aed4ec 319 /** @} (end addtogroup emlib) */
<> 144:ef7eb2e8f9f7 320
<> 144:ef7eb2e8f9f7 321 #ifdef __cplusplus
<> 144:ef7eb2e8f9f7 322 }
<> 144:ef7eb2e8f9f7 323 #endif
<> 144:ef7eb2e8f9f7 324
<> 144:ef7eb2e8f9f7 325 #endif /* defined(VCMP_COUNT) && (VCMP_COUNT > 0) */
<> 150:02e0a0aed4ec 326 #endif /* EM_VCMP_H */