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
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
|
/*
* Copyright (c) 2016 Intel Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <zephyr.h>
#include <flash.h>
#include <device.h>
#if defined(CONFIG_STDOUT_CONSOLE)
#include <stdio.h>
#define PRINT printf
#else
#include <misc/printk.h>
#define PRINT printk
#endif
#define FLASH_TEST_REGION_OFFSET 0xff000
#define FLASH_SECTOR_SIZE 4096
#define TEST_DATA_BYTE_0 0x55
#define TEST_DATA_BYTE_1 0xaa
#define TEST_DATA_LEN 2
void main(void)
{
PRINT("SPI flash testing!\n");
struct device *dev;
uint8_t buf[TEST_DATA_LEN];
dev = device_get_binding("W25QXXDV");
if (!dev) {
PRINT("SPI flash driver was not found!\n");
return;
}
flash_write_protected(dev, false);
flash_erase(dev, FLASH_TEST_REGION_OFFSET, FLASH_SECTOR_SIZE);
flash_write_protected(dev, false);
buf[0] = TEST_DATA_BYTE_0;
buf[1] = TEST_DATA_BYTE_1;
if (flash_write(dev, FLASH_TEST_REGION_OFFSET,
TEST_DATA_LEN, buf) != DEV_OK) {
PRINT("SPI flash did not work as expected!\n");
return;
}
PRINT("data sent %x %x\n", buf[0], buf[1]);
if (flash_read(dev, FLASH_TEST_REGION_OFFSET,
TEST_DATA_LEN, buf) != DEV_OK) {
PRINT("SPI flash did not work as expected!\n");
return;
}
PRINT("data received %x %x\n", buf[0], buf[1]);
if ((buf[0] == TEST_DATA_BYTE_0) && (buf[1] == TEST_DATA_BYTE_1)) {
PRINT("data received matches with data sent. Good!!\n");
} else {
PRINT("data received does not match with data sent!!\n");
}
}
|
