Example of multiple event detection for LSM6DSL in X-NUCLEO-IKS01A2

Dependencies:   X_NUCLEO_IKS01A2 mbed

Fork of MultiEvent_IKS01A2 by ST Expansion SW Team

Multi Event Demo Application based on sensor expansion board X-NUCLEO-IKS01A2

Main function is to show how to detect the free fall, tap, double tap, tilt, wake up, 6D Orientation and step events using the sensor expansion board and send a notification using UART to a connected PC or Desktop and display it on terminal applications like TeraTerm.
After connection has been established:
- the user can simulate all the events and then view the notification using an hyper terminal.
- the user button can be used to enable/disable all hardware features.

Committer:
cparata
Date:
Thu Nov 24 15:42:24 2016 +0000
Revision:
0:763b80993db4
Child:
1:4b4e6a89adce
Add multi event example

Who changed what in which revision?

UserRevisionLine numberNew contents of line
cparata 0:763b80993db4 1 /**
cparata 0:763b80993db4 2 ******************************************************************************
cparata 0:763b80993db4 3 * @file LSM6DSLSensor.h
cparata 0:763b80993db4 4 * @author AST
cparata 0:763b80993db4 5 * @version V1.0.0
cparata 0:763b80993db4 6 * @date 5 August 2016
cparata 0:763b80993db4 7 * @brief Abstract Class of an LSM6DSL Inertial Measurement Unit (IMU) 6 axes
cparata 0:763b80993db4 8 * sensor.
cparata 0:763b80993db4 9 ******************************************************************************
cparata 0:763b80993db4 10 * @attention
cparata 0:763b80993db4 11 *
cparata 0:763b80993db4 12 * <h2><center>&copy; COPYRIGHT(c) 2016 STMicroelectronics</center></h2>
cparata 0:763b80993db4 13 *
cparata 0:763b80993db4 14 * Redistribution and use in source and binary forms, with or without modification,
cparata 0:763b80993db4 15 * are permitted provided that the following conditions are met:
cparata 0:763b80993db4 16 * 1. Redistributions of source code must retain the above copyright notice,
cparata 0:763b80993db4 17 * this list of conditions and the following disclaimer.
cparata 0:763b80993db4 18 * 2. Redistributions in binary form must reproduce the above copyright notice,
cparata 0:763b80993db4 19 * this list of conditions and the following disclaimer in the documentation
cparata 0:763b80993db4 20 * and/or other materials provided with the distribution.
cparata 0:763b80993db4 21 * 3. Neither the name of STMicroelectronics nor the names of its contributors
cparata 0:763b80993db4 22 * may be used to endorse or promote products derived from this software
cparata 0:763b80993db4 23 * without specific prior written permission.
cparata 0:763b80993db4 24 *
cparata 0:763b80993db4 25 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
cparata 0:763b80993db4 26 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
cparata 0:763b80993db4 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
cparata 0:763b80993db4 28 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
cparata 0:763b80993db4 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
cparata 0:763b80993db4 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
cparata 0:763b80993db4 31 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
cparata 0:763b80993db4 32 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
cparata 0:763b80993db4 33 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
cparata 0:763b80993db4 34 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
cparata 0:763b80993db4 35 *
cparata 0:763b80993db4 36 ******************************************************************************
cparata 0:763b80993db4 37 */
cparata 0:763b80993db4 38
cparata 0:763b80993db4 39
cparata 0:763b80993db4 40 /* Prevent recursive inclusion -----------------------------------------------*/
cparata 0:763b80993db4 41
cparata 0:763b80993db4 42 #ifndef __LSM6DSLSensor_H__
cparata 0:763b80993db4 43 #define __LSM6DSLSensor_H__
cparata 0:763b80993db4 44
cparata 0:763b80993db4 45
cparata 0:763b80993db4 46 /* Includes ------------------------------------------------------------------*/
cparata 0:763b80993db4 47
cparata 0:763b80993db4 48 #include "DevI2C.h"
cparata 0:763b80993db4 49 #include "LSM6DSL_ACC_GYRO_driver.h"
cparata 0:763b80993db4 50 #include "MotionSensor.h"
cparata 0:763b80993db4 51 #include "GyroSensor.h"
cparata 0:763b80993db4 52
cparata 0:763b80993db4 53 /* Defines -------------------------------------------------------------------*/
cparata 0:763b80993db4 54
cparata 0:763b80993db4 55 #define LSM6DSL_ACC_SENSITIVITY_FOR_FS_2G 0.061 /**< Sensitivity value for 2 g full scale [mg/LSB] */
cparata 0:763b80993db4 56 #define LSM6DSL_ACC_SENSITIVITY_FOR_FS_4G 0.122 /**< Sensitivity value for 4 g full scale [mg/LSB] */
cparata 0:763b80993db4 57 #define LSM6DSL_ACC_SENSITIVITY_FOR_FS_8G 0.244 /**< Sensitivity value for 8 g full scale [mg/LSB] */
cparata 0:763b80993db4 58 #define LSM6DSL_ACC_SENSITIVITY_FOR_FS_16G 0.488 /**< Sensitivity value for 16 g full scale [mg/LSB] */
cparata 0:763b80993db4 59
cparata 0:763b80993db4 60 #define LSM6DSL_GYRO_SENSITIVITY_FOR_FS_125DPS 04.375 /**< Sensitivity value for 125 dps full scale [mdps/LSB] */
cparata 0:763b80993db4 61 #define LSM6DSL_GYRO_SENSITIVITY_FOR_FS_245DPS 08.750 /**< Sensitivity value for 245 dps full scale [mdps/LSB] */
cparata 0:763b80993db4 62 #define LSM6DSL_GYRO_SENSITIVITY_FOR_FS_500DPS 17.500 /**< Sensitivity value for 500 dps full scale [mdps/LSB] */
cparata 0:763b80993db4 63 #define LSM6DSL_GYRO_SENSITIVITY_FOR_FS_1000DPS 35.000 /**< Sensitivity value for 1000 dps full scale [mdps/LSB] */
cparata 0:763b80993db4 64 #define LSM6DSL_GYRO_SENSITIVITY_FOR_FS_2000DPS 70.000 /**< Sensitivity value for 2000 dps full scale [mdps/LSB] */
cparata 0:763b80993db4 65
cparata 0:763b80993db4 66 #define LSM6DSL_PEDOMETER_THRESHOLD_LOW 0x00 /**< Lowest value of pedometer threshold */
cparata 0:763b80993db4 67 #define LSM6DSL_PEDOMETER_THRESHOLD_MID_LOW 0x07
cparata 0:763b80993db4 68 #define LSM6DSL_PEDOMETER_THRESHOLD_MID 0x0F
cparata 0:763b80993db4 69 #define LSM6DSL_PEDOMETER_THRESHOLD_MID_HIGH 0x17
cparata 0:763b80993db4 70 #define LSM6DSL_PEDOMETER_THRESHOLD_HIGH 0x1F /**< Highest value of pedometer threshold */
cparata 0:763b80993db4 71
cparata 0:763b80993db4 72 #define LSM6DSL_WAKE_UP_THRESHOLD_LOW 0x01 /**< Lowest value of wake up threshold */
cparata 0:763b80993db4 73 #define LSM6DSL_WAKE_UP_THRESHOLD_MID_LOW 0x0F
cparata 0:763b80993db4 74 #define LSM6DSL_WAKE_UP_THRESHOLD_MID 0x1F
cparata 0:763b80993db4 75 #define LSM6DSL_WAKE_UP_THRESHOLD_MID_HIGH 0x2F
cparata 0:763b80993db4 76 #define LSM6DSL_WAKE_UP_THRESHOLD_HIGH 0x3F /**< Highest value of wake up threshold */
cparata 0:763b80993db4 77
cparata 0:763b80993db4 78 #define LSM6DSL_TAP_THRESHOLD_LOW 0x01 /**< Lowest value of wake up threshold */
cparata 0:763b80993db4 79 #define LSM6DSL_TAP_THRESHOLD_MID_LOW 0x08
cparata 0:763b80993db4 80 #define LSM6DSL_TAP_THRESHOLD_MID 0x10
cparata 0:763b80993db4 81 #define LSM6DSL_TAP_THRESHOLD_MID_HIGH 0x18
cparata 0:763b80993db4 82 #define LSM6DSL_TAP_THRESHOLD_HIGH 0x1F /**< Highest value of wake up threshold */
cparata 0:763b80993db4 83
cparata 0:763b80993db4 84 #define LSM6DSL_TAP_SHOCK_TIME_LOW 0x00 /**< Lowest value of wake up threshold */
cparata 0:763b80993db4 85 #define LSM6DSL_TAP_SHOCK_TIME_MID_LOW 0x01
cparata 0:763b80993db4 86 #define LSM6DSL_TAP_SHOCK_TIME_MID_HIGH 0x02
cparata 0:763b80993db4 87 #define LSM6DSL_TAP_SHOCK_TIME_HIGH 0x03 /**< Highest value of wake up threshold */
cparata 0:763b80993db4 88
cparata 0:763b80993db4 89 #define LSM6DSL_TAP_QUIET_TIME_LOW 0x00 /**< Lowest value of wake up threshold */
cparata 0:763b80993db4 90 #define LSM6DSL_TAP_QUIET_TIME_MID_LOW 0x01
cparata 0:763b80993db4 91 #define LSM6DSL_TAP_QUIET_TIME_MID_HIGH 0x02
cparata 0:763b80993db4 92 #define LSM6DSL_TAP_QUIET_TIME_HIGH 0x03 /**< Highest value of wake up threshold */
cparata 0:763b80993db4 93
cparata 0:763b80993db4 94 #define LSM6DSL_TAP_DURATION_TIME_LOW 0x00 /**< Lowest value of wake up threshold */
cparata 0:763b80993db4 95 #define LSM6DSL_TAP_DURATION_TIME_MID_LOW 0x04
cparata 0:763b80993db4 96 #define LSM6DSL_TAP_DURATION_TIME_MID 0x08
cparata 0:763b80993db4 97 #define LSM6DSL_TAP_DURATION_TIME_MID_HIGH 0x0C
cparata 0:763b80993db4 98 #define LSM6DSL_TAP_DURATION_TIME_HIGH 0x0F /**< Highest value of wake up threshold */
cparata 0:763b80993db4 99
cparata 0:763b80993db4 100 /* Typedefs ------------------------------------------------------------------*/
cparata 0:763b80993db4 101
cparata 0:763b80993db4 102 typedef struct
cparata 0:763b80993db4 103 {
cparata 0:763b80993db4 104 unsigned int FreeFallStatus : 1;
cparata 0:763b80993db4 105 unsigned int TapStatus : 1;
cparata 0:763b80993db4 106 unsigned int DoubleTapStatus : 1;
cparata 0:763b80993db4 107 unsigned int WakeUpStatus : 1;
cparata 0:763b80993db4 108 unsigned int StepStatus : 1;
cparata 0:763b80993db4 109 unsigned int TiltStatus : 1;
cparata 0:763b80993db4 110 unsigned int D6DOrientationStatus : 1;
cparata 0:763b80993db4 111 } LSM6DSL_Event_Status_t;
cparata 0:763b80993db4 112
cparata 0:763b80993db4 113 /* Class Declaration ---------------------------------------------------------*/
cparata 0:763b80993db4 114
cparata 0:763b80993db4 115 /**
cparata 0:763b80993db4 116 * Abstract class of an LSM6DSL Inertial Measurement Unit (IMU) 6 axes
cparata 0:763b80993db4 117 * sensor.
cparata 0:763b80993db4 118 */
cparata 0:763b80993db4 119 class LSM6DSLSensor : public MotionSensor, public GyroSensor
cparata 0:763b80993db4 120 {
cparata 0:763b80993db4 121 public:
cparata 0:763b80993db4 122 LSM6DSLSensor(DevI2C &i2c, PinName INT1_pin, PinName INT2_pin);
cparata 0:763b80993db4 123 LSM6DSLSensor(DevI2C &i2c, PinName INT1_pin, PinName INT2_pin, uint8_t address);
cparata 0:763b80993db4 124 virtual int Init(void *init);
cparata 0:763b80993db4 125 virtual int ReadID(uint8_t *id);
cparata 0:763b80993db4 126 virtual int Get_X_Axes(int32_t *pData);
cparata 0:763b80993db4 127 virtual int Get_G_Axes(int32_t *pData);
cparata 0:763b80993db4 128 virtual int Get_X_Sensitivity(float *pfData);
cparata 0:763b80993db4 129 virtual int Get_G_Sensitivity(float *pfData);
cparata 0:763b80993db4 130 virtual int Get_X_AxesRaw(int16_t *pData);
cparata 0:763b80993db4 131 virtual int Get_G_AxesRaw(int16_t *pData);
cparata 0:763b80993db4 132 virtual int Get_X_ODR(float *odr);
cparata 0:763b80993db4 133 virtual int Get_G_ODR(float *odr);
cparata 0:763b80993db4 134 virtual int Set_X_ODR(float odr);
cparata 0:763b80993db4 135 virtual int Set_G_ODR(float odr);
cparata 0:763b80993db4 136 virtual int Get_X_FS(float *fullScale);
cparata 0:763b80993db4 137 virtual int Get_G_FS(float *fullScale);
cparata 0:763b80993db4 138 virtual int Set_X_FS(float fullScale);
cparata 0:763b80993db4 139 virtual int Set_G_FS(float fullScale);
cparata 0:763b80993db4 140 int Enable_X(void);
cparata 0:763b80993db4 141 int Enable_G(void);
cparata 0:763b80993db4 142 int Disable_X(void);
cparata 0:763b80993db4 143 int Disable_G(void);
cparata 0:763b80993db4 144 int Enable_Free_Fall_Detection(void);
cparata 0:763b80993db4 145 int Disable_Free_Fall_Detection(void);
cparata 0:763b80993db4 146 int Set_Free_Fall_Threshold(uint8_t thr);
cparata 0:763b80993db4 147 int Enable_Pedometer(void);
cparata 0:763b80993db4 148 int Disable_Pedometer(void);
cparata 0:763b80993db4 149 int Get_Step_Counter(uint16_t *step_count);
cparata 0:763b80993db4 150 int Reset_Step_Counter(void);
cparata 0:763b80993db4 151 int Set_Pedometer_Threshold(uint8_t thr);
cparata 0:763b80993db4 152 int Enable_Tilt_Detection(void);
cparata 0:763b80993db4 153 int Disable_Tilt_Detection(void);
cparata 0:763b80993db4 154 int Enable_Wake_Up_Detection(void);
cparata 0:763b80993db4 155 int Disable_Wake_Up_Detection(void);
cparata 0:763b80993db4 156 int Set_Wake_Up_Threshold(uint8_t thr);
cparata 0:763b80993db4 157 int Enable_Single_Tap_Detection(void);
cparata 0:763b80993db4 158 int Disable_Single_Tap_Detection(void);
cparata 0:763b80993db4 159 int Enable_Double_Tap_Detection(void);
cparata 0:763b80993db4 160 int Disable_Double_Tap_Detection(void);
cparata 0:763b80993db4 161 int Set_Tap_Threshold(uint8_t thr);
cparata 0:763b80993db4 162 int Set_Tap_Shock_Time(uint8_t time);
cparata 0:763b80993db4 163 int Set_Tap_Quiet_Time(uint8_t time);
cparata 0:763b80993db4 164 int Set_Tap_Duration_Time(uint8_t time);
cparata 0:763b80993db4 165 int Enable_6D_Orientation(void);
cparata 0:763b80993db4 166 int Disable_6D_Orientation(void);
cparata 0:763b80993db4 167 int Get_6D_Orientation_XL(uint8_t *xl);
cparata 0:763b80993db4 168 int Get_6D_Orientation_XH(uint8_t *xh);
cparata 0:763b80993db4 169 int Get_6D_Orientation_YL(uint8_t *yl);
cparata 0:763b80993db4 170 int Get_6D_Orientation_YH(uint8_t *yh);
cparata 0:763b80993db4 171 int Get_6D_Orientation_ZL(uint8_t *zl);
cparata 0:763b80993db4 172 int Get_6D_Orientation_ZH(uint8_t *zh);
cparata 0:763b80993db4 173 int Get_Event_Status(LSM6DSL_Event_Status_t *status);
cparata 0:763b80993db4 174 int ReadReg(uint8_t reg, uint8_t *data);
cparata 0:763b80993db4 175 int WriteReg(uint8_t reg, uint8_t data);
cparata 0:763b80993db4 176
cparata 0:763b80993db4 177 /**
cparata 0:763b80993db4 178 * @brief Attaching an interrupt handler to the INT1 interrupt.
cparata 0:763b80993db4 179 * @param fptr An interrupt handler.
cparata 0:763b80993db4 180 * @retval None.
cparata 0:763b80993db4 181 */
cparata 0:763b80993db4 182 void AttachINT1IRQ(void (*fptr)(void))
cparata 0:763b80993db4 183 {
cparata 0:763b80993db4 184 INT1_irq.rise(fptr);
cparata 0:763b80993db4 185 }
cparata 0:763b80993db4 186
cparata 0:763b80993db4 187 /**
cparata 0:763b80993db4 188 * @brief Enabling the INT1 interrupt handling.
cparata 0:763b80993db4 189 * @param None.
cparata 0:763b80993db4 190 * @retval None.
cparata 0:763b80993db4 191 */
cparata 0:763b80993db4 192 void EnableINT1IRQ(void)
cparata 0:763b80993db4 193 {
cparata 0:763b80993db4 194 INT1_irq.enable_irq();
cparata 0:763b80993db4 195 }
cparata 0:763b80993db4 196
cparata 0:763b80993db4 197 /**
cparata 0:763b80993db4 198 * @brief Disabling the INT1 interrupt handling.
cparata 0:763b80993db4 199 * @param None.
cparata 0:763b80993db4 200 * @retval None.
cparata 0:763b80993db4 201 */
cparata 0:763b80993db4 202 void DisableINT1IRQ(void)
cparata 0:763b80993db4 203 {
cparata 0:763b80993db4 204 INT1_irq.disable_irq();
cparata 0:763b80993db4 205 }
cparata 0:763b80993db4 206
cparata 0:763b80993db4 207 /**
cparata 0:763b80993db4 208 * @brief Attaching an interrupt handler to the INT2 interrupt.
cparata 0:763b80993db4 209 * @param fptr An interrupt handler.
cparata 0:763b80993db4 210 * @retval None.
cparata 0:763b80993db4 211 */
cparata 0:763b80993db4 212 void AttachINT2IRQ(void (*fptr)(void))
cparata 0:763b80993db4 213 {
cparata 0:763b80993db4 214 INT2_irq.rise(fptr);
cparata 0:763b80993db4 215 }
cparata 0:763b80993db4 216
cparata 0:763b80993db4 217 /**
cparata 0:763b80993db4 218 * @brief Enabling the INT2 interrupt handling.
cparata 0:763b80993db4 219 * @param None.
cparata 0:763b80993db4 220 * @retval None.
cparata 0:763b80993db4 221 */
cparata 0:763b80993db4 222 void EnableINT2IRQ(void)
cparata 0:763b80993db4 223 {
cparata 0:763b80993db4 224 INT2_irq.enable_irq();
cparata 0:763b80993db4 225 }
cparata 0:763b80993db4 226
cparata 0:763b80993db4 227 /**
cparata 0:763b80993db4 228 * @brief Disabling the INT2 interrupt handling.
cparata 0:763b80993db4 229 * @param None.
cparata 0:763b80993db4 230 * @retval None.
cparata 0:763b80993db4 231 */
cparata 0:763b80993db4 232 void DisableINT2IRQ(void)
cparata 0:763b80993db4 233 {
cparata 0:763b80993db4 234 INT2_irq.disable_irq();
cparata 0:763b80993db4 235 }
cparata 0:763b80993db4 236
cparata 0:763b80993db4 237 /**
cparata 0:763b80993db4 238 * @brief Utility function to read data.
cparata 0:763b80993db4 239 * @param pBuffer: pointer to data to be read.
cparata 0:763b80993db4 240 * @param RegisterAddr: specifies internal address register to be read.
cparata 0:763b80993db4 241 * @param NumByteToRead: number of bytes to be read.
cparata 0:763b80993db4 242 * @retval 0 if ok, an error code otherwise.
cparata 0:763b80993db4 243 */
cparata 0:763b80993db4 244 uint8_t IO_Read(uint8_t* pBuffer, uint8_t RegisterAddr, uint16_t NumByteToRead)
cparata 0:763b80993db4 245 {
cparata 0:763b80993db4 246 return (uint8_t) dev_i2c.i2c_read(pBuffer, address, RegisterAddr, NumByteToRead);
cparata 0:763b80993db4 247 }
cparata 0:763b80993db4 248
cparata 0:763b80993db4 249 /**
cparata 0:763b80993db4 250 * @brief Utility function to write data.
cparata 0:763b80993db4 251 * @param pBuffer: pointer to data to be written.
cparata 0:763b80993db4 252 * @param RegisterAddr: specifies internal address register to be written.
cparata 0:763b80993db4 253 * @param NumByteToWrite: number of bytes to write.
cparata 0:763b80993db4 254 * @retval 0 if ok, an error code otherwise.
cparata 0:763b80993db4 255 */
cparata 0:763b80993db4 256 uint8_t IO_Write(uint8_t* pBuffer, uint8_t RegisterAddr, uint16_t NumByteToWrite)
cparata 0:763b80993db4 257 {
cparata 0:763b80993db4 258 return (uint8_t) dev_i2c.i2c_write(pBuffer, address, RegisterAddr, NumByteToWrite);
cparata 0:763b80993db4 259 }
cparata 0:763b80993db4 260
cparata 0:763b80993db4 261 private:
cparata 0:763b80993db4 262 int Set_X_ODR_When_Enabled(float odr);
cparata 0:763b80993db4 263 int Set_G_ODR_When_Enabled(float odr);
cparata 0:763b80993db4 264 int Set_X_ODR_When_Disabled(float odr);
cparata 0:763b80993db4 265 int Set_G_ODR_When_Disabled(float odr);
cparata 0:763b80993db4 266
cparata 0:763b80993db4 267 /* Helper classes. */
cparata 0:763b80993db4 268 DevI2C &dev_i2c;
cparata 0:763b80993db4 269
cparata 0:763b80993db4 270 InterruptIn INT1_irq;
cparata 0:763b80993db4 271 InterruptIn INT2_irq;
cparata 0:763b80993db4 272
cparata 0:763b80993db4 273 /* Configuration */
cparata 0:763b80993db4 274 uint8_t address;
cparata 0:763b80993db4 275
cparata 0:763b80993db4 276 uint8_t X_isEnabled;
cparata 0:763b80993db4 277 float X_Last_ODR;
cparata 0:763b80993db4 278 uint8_t G_isEnabled;
cparata 0:763b80993db4 279 float G_Last_ODR;
cparata 0:763b80993db4 280 };
cparata 0:763b80993db4 281
cparata 0:763b80993db4 282 #ifdef __cplusplus
cparata 0:763b80993db4 283 extern "C" {
cparata 0:763b80993db4 284 #endif
cparata 0:763b80993db4 285 uint8_t LSM6DSL_IO_Write( void *handle, uint8_t WriteAddr, uint8_t *pBuffer, uint16_t nBytesToWrite );
cparata 0:763b80993db4 286 uint8_t LSM6DSL_IO_Read( void *handle, uint8_t ReadAddr, uint8_t *pBuffer, uint16_t nBytesToRead );
cparata 0:763b80993db4 287 #ifdef __cplusplus
cparata 0:763b80993db4 288 }
cparata 0:763b80993db4 289 #endif
cparata 0:763b80993db4 290
cparata 0:763b80993db4 291 #endif