amiro-os / include / amiro / eeprom / at24.hpp @ 58fe0e0b
History | View | Annotate | Download (818 Bytes)
1 |
#ifndef AT24_HPP_
|
---|---|
2 |
#define AT24_HPP_
|
3 |
|
4 |
#include <ch.hpp> |
5 |
#include <hal.h> |
6 |
|
7 |
#include <amiro/eeprom/eeprom.hpp> |
8 |
|
9 |
namespace amiro {
|
10 |
|
11 |
class I2CDriver; |
12 |
|
13 |
class AT24 : public EEPROM { |
14 |
|
15 |
enum {
|
16 |
AT24_SLA = 0x50u,
|
17 |
}; |
18 |
|
19 |
enum {
|
20 |
AT24_MAX_PAGE_SIZE = 8,
|
21 |
}; |
22 |
|
23 |
public:
|
24 |
|
25 |
/**
|
26 |
* Return types of getCheck()
|
27 |
*/
|
28 |
enum {
|
29 |
CHECK_OK = 0x00u,
|
30 |
CHECK_READ_FAIL = 0x01u,
|
31 |
CHECK_WRITE_FAIL = 0x02u,
|
32 |
CHECK_CHKSUM_FAIL = 0x03u,
|
33 |
}; |
34 |
|
35 |
AT24(size_t size, uint8_t page_size, uint16_t max_t_wr, I2CDriver* i2c_driver); |
36 |
~AT24(); |
37 |
|
38 |
static msg_t poll_ack(void* instance); |
39 |
static size_t write(void* instance, const uint8_t* bp, size_t n); |
40 |
static size_t read(void* instance, uint8_t* bp, size_t n); |
41 |
static uint32_t close(void* instance); |
42 |
|
43 |
}; |
44 |
|
45 |
} /* amiro */
|
46 |
|
47 |
#endif /* AT24_HPP_ */ |