amiro-os / include / amiro / eeprom / at24.hpp @ c0757912
History | View | Annotate | Download (818 Bytes)
1 | 58fe0e0b | Thomas Schöpping | #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_ */ |