NXP
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FRDMSTBC-A8491_SensorShield
Hello world program for I2C Accelerometer
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main.cpp
00001 /* 00002 * Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc. 00003 * Copyright 2016-2017 NXP 00004 * 00005 * Redistribution and use in source and binary forms, with or without modification, 00006 * are permitted provided that the following conditions are met: 00007 * 00008 * o Redistributions of source code must retain the above copyright notice, this list 00009 * of conditions and the following disclaimer. 00010 * 00011 * o Redistributions in binary form must reproduce the above copyright notice, this 00012 * list of conditions and the following disclaimer in the documentation and/or 00013 * other materials provided with the distribution. 00014 * 00015 * o Neither the name of the copyright holder nor the names of its 00016 * contributors may be used to endorse or promote products derived from this 00017 * software without specific prior written permission. 00018 * 00019 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND 00020 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 00021 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 00022 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR 00023 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 00024 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 00025 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON 00026 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00027 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 00028 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00029 */ 00030 #include "MMA8491.h" 00031 #include "mbed.h" 00032 00033 // Initialize Serial port 00034 Serial pc(USBTX, USBRX); 00035 00036 // Initialize pins for I2C communication for sensors. Set jumpers J6,J7 in FRDM-STBC-AGM01 board accordingly. 00037 MMA8491 accel(D14,D15,PTB1); 00038 00039 00040 00041 00042 int main() 00043 { 00044 00045 00046 float accel_data[3]; float accel_rms=0.0; 00047 00048 printf("Begin Data Acquisition....\r\n\r\n"); 00049 wait(0.5); 00050 00051 while(1) 00052 { 00053 accel.acquire_MMA8491_data_g(accel_data); 00054 accel_rms = sqrt(((accel_data[0]*accel_data[0])+(accel_data[1]*accel_data[1])+(accel_data[2]*accel_data[2]))/3); 00055 printf("%4.2f,%4.2f,%4.2f,\t",accel_data[0],accel_data[1],accel_data[2]); 00056 wait(0.005); 00057 00058 printf("\n\r"); 00059 00060 00061 00062 } 00063 00064 }
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