
Hello world program for I2C Accelerometer
main.cpp@1:536cdd7e80c0, 2017-04-24 (annotated)
- Committer:
- AswinSivakumar
- Date:
- Mon Apr 24 19:01:35 2017 +0000
- Revision:
- 1:536cdd7e80c0
- Parent:
- 0:96ca5855e9d3
updated
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
AswinSivakumar | 1:536cdd7e80c0 | 1 | /* |
AswinSivakumar | 1:536cdd7e80c0 | 2 | * Copyright (c) 2015 - 2016, Freescale Semiconductor, Inc. |
AswinSivakumar | 1:536cdd7e80c0 | 3 | * Copyright 2016-2017 NXP |
AswinSivakumar | 1:536cdd7e80c0 | 4 | * |
AswinSivakumar | 1:536cdd7e80c0 | 5 | * Redistribution and use in source and binary forms, with or without modification, |
AswinSivakumar | 1:536cdd7e80c0 | 6 | * are permitted provided that the following conditions are met: |
AswinSivakumar | 1:536cdd7e80c0 | 7 | * |
AswinSivakumar | 1:536cdd7e80c0 | 8 | * o Redistributions of source code must retain the above copyright notice, this list |
AswinSivakumar | 1:536cdd7e80c0 | 9 | * of conditions and the following disclaimer. |
AswinSivakumar | 1:536cdd7e80c0 | 10 | * |
AswinSivakumar | 1:536cdd7e80c0 | 11 | * o Redistributions in binary form must reproduce the above copyright notice, this |
AswinSivakumar | 1:536cdd7e80c0 | 12 | * list of conditions and the following disclaimer in the documentation and/or |
AswinSivakumar | 1:536cdd7e80c0 | 13 | * other materials provided with the distribution. |
AswinSivakumar | 1:536cdd7e80c0 | 14 | * |
AswinSivakumar | 1:536cdd7e80c0 | 15 | * o Neither the name of the copyright holder nor the names of its |
AswinSivakumar | 1:536cdd7e80c0 | 16 | * contributors may be used to endorse or promote products derived from this |
AswinSivakumar | 1:536cdd7e80c0 | 17 | * software without specific prior written permission. |
AswinSivakumar | 1:536cdd7e80c0 | 18 | * |
AswinSivakumar | 1:536cdd7e80c0 | 19 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
AswinSivakumar | 1:536cdd7e80c0 | 20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
AswinSivakumar | 1:536cdd7e80c0 | 21 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
AswinSivakumar | 1:536cdd7e80c0 | 22 | * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
AswinSivakumar | 1:536cdd7e80c0 | 23 | * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
AswinSivakumar | 1:536cdd7e80c0 | 24 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
AswinSivakumar | 1:536cdd7e80c0 | 25 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
AswinSivakumar | 1:536cdd7e80c0 | 26 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
AswinSivakumar | 1:536cdd7e80c0 | 27 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
AswinSivakumar | 1:536cdd7e80c0 | 28 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
AswinSivakumar | 1:536cdd7e80c0 | 29 | */ |
AswinSivakumar | 0:96ca5855e9d3 | 30 | #include "MMA8491.h" |
AswinSivakumar | 0:96ca5855e9d3 | 31 | #include "mbed.h" |
AswinSivakumar | 0:96ca5855e9d3 | 32 | |
AswinSivakumar | 0:96ca5855e9d3 | 33 | // Initialize Serial port |
AswinSivakumar | 0:96ca5855e9d3 | 34 | Serial pc(USBTX, USBRX); |
AswinSivakumar | 0:96ca5855e9d3 | 35 | |
AswinSivakumar | 0:96ca5855e9d3 | 36 | // Initialize pins for I2C communication for sensors. Set jumpers J6,J7 in FRDM-STBC-AGM01 board accordingly. |
AswinSivakumar | 0:96ca5855e9d3 | 37 | MMA8491 accel(D14,D15,PTB1); |
AswinSivakumar | 0:96ca5855e9d3 | 38 | |
AswinSivakumar | 0:96ca5855e9d3 | 39 | |
AswinSivakumar | 0:96ca5855e9d3 | 40 | |
AswinSivakumar | 0:96ca5855e9d3 | 41 | |
AswinSivakumar | 0:96ca5855e9d3 | 42 | int main() |
AswinSivakumar | 0:96ca5855e9d3 | 43 | { |
AswinSivakumar | 0:96ca5855e9d3 | 44 | |
AswinSivakumar | 0:96ca5855e9d3 | 45 | |
AswinSivakumar | 0:96ca5855e9d3 | 46 | float accel_data[3]; float accel_rms=0.0; |
AswinSivakumar | 0:96ca5855e9d3 | 47 | |
AswinSivakumar | 0:96ca5855e9d3 | 48 | printf("Begin Data Acquisition....\r\n\r\n"); |
AswinSivakumar | 0:96ca5855e9d3 | 49 | wait(0.5); |
AswinSivakumar | 0:96ca5855e9d3 | 50 | |
AswinSivakumar | 0:96ca5855e9d3 | 51 | while(1) |
AswinSivakumar | 0:96ca5855e9d3 | 52 | { |
AswinSivakumar | 0:96ca5855e9d3 | 53 | accel.acquire_MMA8491_data_g(accel_data); |
AswinSivakumar | 0:96ca5855e9d3 | 54 | accel_rms = sqrt(((accel_data[0]*accel_data[0])+(accel_data[1]*accel_data[1])+(accel_data[2]*accel_data[2]))/3); |
AswinSivakumar | 0:96ca5855e9d3 | 55 | printf("%4.2f,%4.2f,%4.2f,\t",accel_data[0],accel_data[1],accel_data[2]); |
AswinSivakumar | 0:96ca5855e9d3 | 56 | wait(0.005); |
AswinSivakumar | 0:96ca5855e9d3 | 57 | |
AswinSivakumar | 0:96ca5855e9d3 | 58 | printf("\n\r"); |
AswinSivakumar | 0:96ca5855e9d3 | 59 | |
AswinSivakumar | 0:96ca5855e9d3 | 60 | |
AswinSivakumar | 0:96ca5855e9d3 | 61 | |
AswinSivakumar | 0:96ca5855e9d3 | 62 | } |
AswinSivakumar | 0:96ca5855e9d3 | 63 | |
AswinSivakumar | 0:96ca5855e9d3 | 64 | } |