Tandin Wangchuk / Mbed 2 deprecated Lab4-02_Detect_acceleration_x-axis

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Dependencies:   mbed HeptaBattery

main.cpp@14:1becf2edba9c, 2017-09-07 (annotated)

Committer:
HEPTA
Date:
Thu Sep 07 13:31:00 2017 +0000
Revision:
14:1becf2edba9c
Parent:
13:a1fa75a002f6
Child:
15:c9e7bc2c90b9
Hepta Lab4

Who changed what in which revision?

UserRevisionLine numberNew contents of line
mbed_official 0:bdbd3d6fc5d5 1 #include "mbed.h"
HEPTA 14:1becf2edba9c 2 I2C i2c(p28, p27);
HEPTA 14:1becf2edba9c 3 Serial pc(USBTX, USBRX);
HEPTA 14:1becf2edba9c 4 const int addr_accel_gyro = 0xD0;
HEPTA 14:1becf2edba9c 5 char cmd[2];
HEPTA 14:1becf2edba9c 6 short int xl,xh,yl,yh,zl,zh;
HEPTA 14:1becf2edba9c 7 int main() {
HEPTA 14:1becf2edba9c 8 i2c.frequency(100000);
HEPTA 14:1becf2edba9c 9 cmd[0]=0x6B;
HEPTA 14:1becf2edba9c 10 cmd[1]=0x00;
HEPTA 14:1becf2edba9c 11 i2c.write(addr_accel_gyro,cmd,2);
HEPTA 14:1becf2edba9c 12 cmd[0] = 0x37;
HEPTA 14:1becf2edba9c 13 cmd[1] = 0x02;
HEPTA 14:1becf2edba9c 14 i2c.write(addr_accel_gyro,cmd,2);
HEPTA 14:1becf2edba9c 15 i2c.stop();
HEPTA 14:1becf2edba9c 16 while(1){
HEPTA 14:1becf2edba9c 17 i2c.start();
HEPTA 14:1becf2edba9c 18 i2c.write(addr_accel_gyro);
HEPTA 14:1becf2edba9c 19 i2c.write(0x3b);//read adress
HEPTA 14:1becf2edba9c 20 i2c.start();
HEPTA 14:1becf2edba9c 21 i2c.write(addr_accel_gyro|0x01);
HEPTA 14:1becf2edba9c 22 xh = i2c.read(0);
HEPTA 14:1becf2edba9c 23 i2c.stop();
HEPTA 14:1becf2edba9c 24 i2c.start();
HEPTA 14:1becf2edba9c 25 i2c.write(addr_accel_gyro);
HEPTA 14:1becf2edba9c 26 i2c.write(0x3c);
HEPTA 14:1becf2edba9c 27 i2c.start();
HEPTA 14:1becf2edba9c 28 i2c.write(addr_accel_gyro|0x01);
HEPTA 14:1becf2edba9c 29 xl = i2c.read(0);
HEPTA 14:1becf2edba9c 30 i2c.stop();
HEPTA 14:1becf2edba9c 31 double acc_ax = short((xh<<8) | (xl));
HEPTA 14:1becf2edba9c 32 double AX = (acc_ax)*2/32764*9.81;
HEPTA 14:1becf2edba9c 33 pc.printf("AX = %f\r\n",AX);
HEPTA 14:1becf2edba9c 34 wait(0.5);
HEPTA 14:1becf2edba9c 35 }
umeume 2:1c5cdb2c3e0f 36 }