blob: 2e043ff3b9a0649eab7e5857df19cfc991941768 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
|
#ifndef BMA150_H
#define BMA150_H
#include "i2c.h"
class BMA150 {
private:
I2C& i2c;
public:
int16_t x, y, z;
BMA150(I2C& i2c_bus) : i2c(i2c_bus) {
}
void init() {
uint8_t temp;
i2c.read_reg(0x38, 0x14, 1, &temp);
i2c.write_reg(0x38, 0x14, (temp & 0xe0) | 0x00 | 0x00); // 2g range, 25 Hz bandwidth
}
void update() {
uint8_t buf[6];
i2c.read_reg(0x38, 0x02, 6, buf);
x = (buf[1] << 8 | buf[0]) - 0;
y = (buf[3] << 8 | buf[2]) - 0;
z = (buf[5] << 8 | buf[4]) - 0;
}
};
#endif
|