Example of tilt detection for LSM6DSL in X-NUCLEO-IKS01A2
Dependencies: X_NUCLEO_IKS01A2 mbed
Fork of Tilt_IKS01A2 by
main.cpp
00001 /** 00002 ****************************************************************************** 00003 * @file main.cpp 00004 * @author CLab 00005 * @version V1.0.0 00006 * @date 2-December-2016 00007 * @brief Simple Example application for using the X_NUCLEO_IKS01A2 00008 * MEMS Inertial & Environmental Sensor Nucleo expansion board. 00009 ****************************************************************************** 00010 * @attention 00011 * 00012 * <h2><center>© COPYRIGHT(c) 2016 STMicroelectronics</center></h2> 00013 * 00014 * Redistribution and use in source and binary forms, with or without modification, 00015 * are permitted provided that the following conditions are met: 00016 * 1. Redistributions of source code must retain the above copyright notice, 00017 * this list of conditions and the following disclaimer. 00018 * 2. Redistributions in binary form must reproduce the above copyright notice, 00019 * this list of conditions and the following disclaimer in the documentation 00020 * and/or other materials provided with the distribution. 00021 * 3. Neither the name of STMicroelectronics nor the names of its contributors 00022 * may be used to endorse or promote products derived from this software 00023 * without specific prior written permission. 00024 * 00025 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 00026 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00027 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00028 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE 00029 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 00030 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 00031 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER 00032 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 00033 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00034 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00035 * 00036 ****************************************************************************** 00037 */ 00038 00039 /* Includes */ 00040 #include "mbed.h" 00041 #include "XNucleoIKS01A2.h" 00042 00043 /* Instantiate the expansion board */ 00044 static XNucleoIKS01A2 *mems_expansion_board = XNucleoIKS01A2::instance(D14, D15, D4, D5); 00045 00046 /* Retrieve the composing elements of the expansion board */ 00047 static LSM6DSLSensor *acc_gyro = mems_expansion_board->acc_gyro; 00048 00049 InterruptIn mybutton(USER_BUTTON); 00050 DigitalOut myled(LED1); 00051 00052 volatile int mems_event = 0; 00053 volatile int toggle_tilt_enable = 0; 00054 static int tilt_is_enabled = 1; 00055 00056 /* User button callback. */ 00057 void pressed_cb() { 00058 toggle_tilt_enable = 1; 00059 } 00060 00061 /* Interrupt 1 callback. */ 00062 void int1_cb() { 00063 mems_event = 1; 00064 } 00065 00066 /* Simple main function */ 00067 int main() { 00068 /* Attach callback to User button press */ 00069 mybutton.fall(&pressed_cb); 00070 /* Attach callback to LSM6DSL INT1 */ 00071 acc_gyro->attach_int1_irq(&int1_cb); 00072 00073 /* Enable LSM6DSL accelerometer */ 00074 acc_gyro->enable_x(); 00075 /* Enable Tilt Detection. */ 00076 acc_gyro->enable_tilt_detection(); 00077 00078 printf("\r\n--- Starting new run ---\r\n"); 00079 00080 while(1) { 00081 if(toggle_tilt_enable) { 00082 toggle_tilt_enable = 0; 00083 if(tilt_is_enabled == 0) { 00084 acc_gyro->enable_tilt_detection(); 00085 tilt_is_enabled = 1; 00086 } else { 00087 acc_gyro->disable_tilt_detection(); 00088 tilt_is_enabled = 0; 00089 } 00090 } 00091 00092 if (mems_event) { 00093 mems_event = 0; 00094 LSM6DSL_Event_Status_t status; 00095 acc_gyro->get_event_status(&status); 00096 if (status.TiltStatus) { 00097 /* Led blinking. */ 00098 myled = 1; 00099 wait(0.2); 00100 myled = 0; 00101 00102 /* Output data. */ 00103 printf("Tilt Detected!\r\n"); 00104 } 00105 } 00106 } 00107 }
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