Sara Wescott / Mbed 2 deprecated Mini_project_10

Mini Project 10: Displaying stuff from day 7

Dependencies:   DmTouch_UniGraphic UniGraphic mbed

acceler_sensor.cpp@16:995c9920f14e, 2017-01-18 (annotated)

Committer:
swescott17
Date:
Wed Jan 18 01:48:47 2017 +0000
Revision:
16:995c9920f14e
Parent:
15:565da8e90073 
Reading every ten seconds

Who changed what in which revision?

UserRevisionLine numberNew contents of line
swescott17 0:1ebe73e062a7 1 #include "acceler_sensor.h"
swescott17 0:1ebe73e062a7 2 DigitalOut led3(LED3);
ezimmerman17 13:b3637adeaa2a 3 const int address = 0xA6;
swescott17 0:1ebe73e062a7 4
ezimmerman17 6:b196b0a8f337 5 void configure_acceleration(void){
swescott17 0:1ebe73e062a7 6
ezimmerman17 13:b3637adeaa2a 7 // set 'address' to
ezimmerman17 13:b3637adeaa2a 8 i2c_port.start();
swescott17 0:1ebe73e062a7 9 i2c_port.write(address);
swescott17 0:1ebe73e062a7 10 i2c_port.write(0x1D); //to set the Tap Threshold
swescott17 0:1ebe73e062a7 11 i2c_port.write(0x50 << 2);
swescott17 0:1ebe73e062a7 12 i2c_port.stop();
swescott17 0:1ebe73e062a7 13 wait(0.01);
swescott17 0:1ebe73e062a7 14
swescott17 0:1ebe73e062a7 15 i2c_port.start();
swescott17 0:1ebe73e062a7 16 i2c_port.write(address);
swescott17 0:1ebe73e062a7 17 i2c_port.write(0x21);//set Tap Duration
swescott17 0:1ebe73e062a7 18 i2c_port.write(0x0A);
swescott17 0:1ebe73e062a7 19 i2c_port.stop();
swescott17 0:1ebe73e062a7 20 wait(0.01);
swescott17 0:1ebe73e062a7 21
swescott17 0:1ebe73e062a7 22 i2c_port.start();
swescott17 0:1ebe73e062a7 23 i2c_port.write(address);
swescott17 0:1ebe73e062a7 24 int temp[2] = {0x22, 0x05};
swescott17 0:1ebe73e062a7 25 i2c_port.write(temp[0]);//set Tap Gap
swescott17 0:1ebe73e062a7 26 i2c_port.write(temp[1]);
swescott17 0:1ebe73e062a7 27 i2c_port.stop();
swescott17 0:1ebe73e062a7 28 wait(0.01);
swescott17 0:1ebe73e062a7 29
swescott17 0:1ebe73e062a7 30 i2c_port.start();
swescott17 0:1ebe73e062a7 31 i2c_port.write(address);
swescott17 0:1ebe73e062a7 32 i2c_port.write(0x23);//set Tap Window
swescott17 0:1ebe73e062a7 33 i2c_port.write(0xFF);
swescott17 0:1ebe73e062a7 34 i2c_port.stop();
swescott17 0:1ebe73e062a7 35 wait(0.01);
swescott17 0:1ebe73e062a7 36
swescott17 0:1ebe73e062a7 37 i2c_port.start();
swescott17 0:1ebe73e062a7 38 i2c_port.write(address);
swescott17 0:1ebe73e062a7 39 i2c_port.write(0x2A);//set Tap Axis
swescott17 0:1ebe73e062a7 40 i2c_port.write(0x07);
swescott17 0:1ebe73e062a7 41 i2c_port.stop();
swescott17 0:1ebe73e062a7 42 wait(0.01);
swescott17 0:1ebe73e062a7 43
swescott17 0:1ebe73e062a7 44 i2c_port.start();
swescott17 0:1ebe73e062a7 45 i2c_port.write(address);
swescott17 0:1ebe73e062a7 46 i2c_port.write(0x2E);//set interupt Enable
swescott17 0:1ebe73e062a7 47 i2c_port.write(0x20|0x40);
swescott17 0:1ebe73e062a7 48 i2c_port.stop();
swescott17 0:1ebe73e062a7 49 wait(0.01);
swescott17 0:1ebe73e062a7 50
swescott17 0:1ebe73e062a7 51 i2c_port.start();
swescott17 0:1ebe73e062a7 52 i2c_port.write(address);
swescott17 0:1ebe73e062a7 53 i2c_port.write(0x2F);//set interupt map
swescott17 0:1ebe73e062a7 54 i2c_port.write(0x20|0x40);
swescott17 0:1ebe73e062a7 55 i2c_port.stop();
ezimmerman17 13:b3637adeaa2a 56 wait(0.01); //all the above should confige tap functions for accel sensor, so it's unneccesary
swescott17 0:1ebe73e062a7 57
swescott17 0:1ebe73e062a7 58 i2c_port.start();
swescott17 0:1ebe73e062a7 59 i2c_port.write(address);
ezimmerman17 8:bbe3e332fe94 60 i2c_port.frequency(2000000);
swescott17 0:1ebe73e062a7 61 i2c_port.write(0x2D);//power control register
swescott17 0:1ebe73e062a7 62 i2c_port.write(0x08);//measure mode
swescott17 0:1ebe73e062a7 63 i2c_port.stop();
ezimmerman17 8:bbe3e332fe94 64 }
ezimmerman17 8:bbe3e332fe94 65
ezimmerman17 13:b3637adeaa2a 66 void getacceleration (float* data){
ezimmerman17 8:bbe3e332fe94 67 char buffer[6];
ezimmerman17 13:b3637adeaa2a 68 char idontknow[1];
ezimmerman17 13:b3637adeaa2a 69 idontknow[0] = 0x32;
ezimmerman17 8:bbe3e332fe94 70 int16_t rawdata[3];
ezimmerman17 13:b3637adeaa2a 71 i2c_port.write(address,idontknow,1);
ezimmerman17 13:b3637adeaa2a 72 i2c_port.read(address,buffer,6);
ezimmerman17 13:b3637adeaa2a 73 /*i2c_port.write(address);
ezimmerman17 8:bbe3e332fe94 74 i2c_port.write(0x80|0x40|0x32);
ezimmerman17 8:bbe3e332fe94 75 for(int i=0; i<= 5; i++)
ezimmerman17 8:bbe3e332fe94 76 {
ezimmerman17 13:b3637adeaa2a 77 buffer[i]=i2c_port.write(0x00);
ezimmerman17 8:bbe3e332fe94 78 //pc.printf("x = %+1.2fg\t", buffer[i]);
ezimmerman17 13:b3637adeaa2a 79 }*/
ezimmerman17 8:bbe3e332fe94 80 rawdata[0] = buffer[1]<<8 | buffer[0];
ezimmerman17 8:bbe3e332fe94 81 rawdata[1] = buffer[3]<<8 | buffer[2];
ezimmerman17 8:bbe3e332fe94 82 rawdata[2] = buffer[5]<<8 | buffer[4];
ezimmerman17 13:b3637adeaa2a 83 data[0] = rawdata[0]*0.004;
ezimmerman17 13:b3637adeaa2a 84 data[1] = rawdata[1]*0.004;
ezimmerman17 15:565da8e90073 85
ezimmerman17 15:565da8e90073 86
ezimmerman17 13:b3637adeaa2a 87 pc.printf("x = %+1.2fg\t y = %+1.2fg\n\r", data[0],data[1]); //Just grabbed from SPI code. Not formatted right
ezimmerman17 13:b3637adeaa2a 88
ezimmerman17 13:b3637adeaa2a 89
ezimmerman17 8:bbe3e332fe94 90 }