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
|
/*
* Copyright 2014 Free Software Foundation, Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <flash/spi_flash.h>
void spif_init(spi_flash_session_t* flash, const spi_flash_dev_t* device, const spi_flash_ops_t* ops)
{
flash->device = device;
flash->ops = ops;
flash->state = IDLE;
flash->last_offset = 0;
flash->id = ops->read_id(device);
}
void spif_read_sync(const spi_flash_session_t* flash, uint32_t offset, void *buf, uint32_t num_bytes)
{
flash->ops->read(flash->device, offset, buf, num_bytes);
}
bool spif_erase_sector_sync(const spi_flash_session_t* flash, uint32_t offset)
{
if (flash->ops->erase_sector_dispatch(flash->device, offset)) {
return flash->ops->erase_sector_commit(flash->device, offset);
} else {
return false;
}
}
bool spif_write_page_sync(const spi_flash_session_t* flash, uint32_t offset, const void *buf, uint32_t num_bytes)
{
if (flash->ops->write_page_dispatch(flash->device, offset, buf, num_bytes)) {
return flash->ops->write_page_commit(flash->device, offset, buf, num_bytes);
} else {
return false;
}
}
|