blob: ace644bd0f6bd7c4e76e4836f4cb810ede3b4f97 (
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
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
|
#pragma once
#include <drivers/Bma421_C/bma4_defs.h>
namespace Pinetime {
namespace Drivers {
class TwiMaster;
class Bma421 {
public:
enum class DeviceTypes : uint8_t {
Unknown,
BMA421,
BMA425
};
struct Values {
uint32_t steps;
int16_t x;
int16_t y;
int16_t z;
};
Bma421(TwiMaster& twiMaster, uint8_t twiAddress);
Bma421(const Bma421&) = delete;
Bma421& operator=(const Bma421&) = delete;
Bma421(Bma421&&) = delete;
Bma421& operator=(Bma421&&) = delete;
/// The chip freezes the TWI bus after the softreset operation. Softreset is separated from the
/// Init() method to allow the caller to uninit and then reinit the TWI device after the softreset.
void SoftReset();
void Init();
Values Process();
void ResetStepCounter();
void Read(uint8_t registerAddress, uint8_t* buffer, size_t size);
void Write(uint8_t registerAddress, const uint8_t* data, size_t size);
bool IsOk() const;
DeviceTypes DeviceType() const;
private:
void Reset();
TwiMaster& twiMaster;
uint8_t deviceAddress = 0x18;
struct bma4_dev bma;
bool isOk = false;
bool isResetOk = false;
DeviceTypes deviceType = DeviceTypes::Unknown;
};
}
}
|
