Rohan Gurav / Mbed OS COG4050_adxl355

Code to read the ADXL355 values using the EV COG4050.

Dependencies:   ADXL355

main.cpp@0:f9431dd67dd0, 2018-08-15 (annotated)

Committer:
RGurav
Date:
Wed Aug 15 11:52:56 2018 +0000
Revision:
0:f9431dd67dd0
Code to read values of the ADXL355 using the EV-COG4050

Who changed what in which revision?

UserRevisionLine numberNew contents of line
RGurav 0:f9431dd67dd0 1 /*
RGurav 0:f9431dd67dd0 2 Created on: 15/08/2018
RGurav 0:f9431dd67dd0 3 Author: Rohan Gurav
RGurav 0:f9431dd67dd0 4 Valeria Toffoli
RGurav 0:f9431dd67dd0 5 Code: Use the following code to read the ADXL355 values connected to the SPI channel
RGurav 0:f9431dd67dd0 6 of the EV-COG4050-Expander board port0. Check the readme.md for connection info
RGurav 0:f9431dd67dd0 7
RGurav 0:f9431dd67dd0 8 */
RGurav 0:f9431dd67dd0 9 #include "mbed.h"
RGurav 0:f9431dd67dd0 10 #include <inttypes.h>
RGurav 0:f9431dd67dd0 11 #include "ADXL355.h"
RGurav 0:f9431dd67dd0 12 //#include "ADXRS290.h"
RGurav 0:f9431dd67dd0 13
RGurav 0:f9431dd67dd0 14 Serial pc(USBTX, USBRX);
RGurav 0:f9431dd67dd0 15
RGurav 0:f9431dd67dd0 16 ADXL355 accl(SPI1_CS0, SPI1_MOSI, SPI1_MISO, SPI1_SCLK); // PMOD port
RGurav 0:f9431dd67dd0 17 //ADXRS290 gyro(SPI0_CS2, SPI0_MOSI, SPI0_MISO, SPI0_SCLK); // PMOD port
RGurav 0:f9431dd67dd0 18
RGurav 0:f9431dd67dd0 19
RGurav 0:f9431dd67dd0 20 int main()
RGurav 0:f9431dd67dd0 21 {
RGurav 0:f9431dd67dd0 22 pc.baud(9600);
RGurav 0:f9431dd67dd0 23 pc.printf("SPI ADXL355 and ADXL357 Demo\r\n");
RGurav 0:f9431dd67dd0 24 pc.printf("GET device ID\r\n");
RGurav 0:f9431dd67dd0 25
RGurav 0:f9431dd67dd0 26 accl.reset();
RGurav 0:f9431dd67dd0 27 uint8_t d;
RGurav 0:f9431dd67dd0 28
RGurav 0:f9431dd67dd0 29 d=accl.read_reg(accl.DEVID_AD);
RGurav 0:f9431dd67dd0 30 pc.printf("AD id = %x \r\n",d);
RGurav 0:f9431dd67dd0 31
RGurav 0:f9431dd67dd0 32 d=accl.read_reg(accl.DEVID_MST);
RGurav 0:f9431dd67dd0 33 pc.printf("MEMS id = %x \r\n",d);
RGurav 0:f9431dd67dd0 34
RGurav 0:f9431dd67dd0 35 d=accl.read_reg(accl.PARTID);
RGurav 0:f9431dd67dd0 36 pc.printf("device id = %x \r\n",d);
RGurav 0:f9431dd67dd0 37
RGurav 0:f9431dd67dd0 38 d=accl.read_reg(accl.REVID);
RGurav 0:f9431dd67dd0 39 pc.printf("revision id = %x \r\n",d);
RGurav 0:f9431dd67dd0 40
RGurav 0:f9431dd67dd0 41 pc.printf("GET device data [x, y, z, t] \r\n");
RGurav 0:f9431dd67dd0 42 accl.set_power_ctl_reg(accl.MEASUREMENT);
RGurav 0:f9431dd67dd0 43
RGurav 0:f9431dd67dd0 44 d=accl.read_reg(accl.POWER_CTL);
RGurav 0:f9431dd67dd0 45 pc.printf("power control on measurement mode = %x \r\n",d);
RGurav 0:f9431dd67dd0 46
RGurav 0:f9431dd67dd0 47 float x, y,z;
RGurav 0:f9431dd67dd0 48 float t;
RGurav 0:f9431dd67dd0 49
RGurav 0:f9431dd67dd0 50 /*The following part is used to perform 2's complemient and then display the data*/
RGurav 0:f9431dd67dd0 51 for(int i=0; i<50; i++)
RGurav 0:f9431dd67dd0 52 {
RGurav 0:f9431dd67dd0 53 x = accl.convert(accl.scanx())*accl.axis355_sens;
RGurav 0:f9431dd67dd0 54 y = accl.convert(accl.scany())*accl.axis355_sens;
RGurav 0:f9431dd67dd0 55 z = accl.convert(accl.scanz())*accl.axis355_sens;
RGurav 0:f9431dd67dd0 56 t = 25+float(accl.scant()-1852)/(-9.05);
RGurav 0:f9431dd67dd0 57
RGurav 0:f9431dd67dd0 58 pc.printf("%f \t %f \t %f \t %f \r\n" , x,y,z,t);
RGurav 0:f9431dd67dd0 59 wait(0.1);
RGurav 0:f9431dd67dd0 60 }
RGurav 0:f9431dd67dd0 61
RGurav 0:f9431dd67dd0 62 /*-------------------------------------------------------------
RGurav 0:f9431dd67dd0 63 // The following code will display the Raw data of the Axes
RGurav 0:f9431dd67dd0 64 while(1)
RGurav 0:f9431dd67dd0 65 {
RGurav 0:f9431dd67dd0 66 x = accl.scanx();
RGurav 0:f9431dd67dd0 67 y = accl.scany();
RGurav 0:f9431dd67dd0 68 z = accl.scanz();
RGurav 0:f9431dd67dd0 69 t = accl.scant();
RGurav 0:f9431dd67dd0 70 pc.printf("%u \t %u \t %u \t %u \r\n" , x,y,z,t);
RGurav 0:f9431dd67dd0 71 wait(1.0);
RGurav 0:f9431dd67dd0 72 }
RGurav 0:f9431dd67dd0 73 ----------------------------------------------------------------*/
RGurav 0:f9431dd67dd0 74 }
RGurav 0:f9431dd67dd0 75