summaryrefslogtreecommitdiff
path: root/examples/test/mem_test.c
blob: ef3d85aa91d7392d126c7dd1055537bf39cbccbe (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
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
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
/*
 * Copyright (c) 2006-2021, RT-Thread Development Team
 *
 * SPDX-License-Identifier: Apache-2.0
 *
 * Change Logs:
 * Date           Author       Notes
 */

#include <stdint.h>

#include <rthw.h>
#include <rtthread.h>

#define printf    rt_kprintf

void mem_test(uint32_t address, uint32_t size )
{
    uint32_t i;

    printf("memtest,address: 0x%08X size: 0x%08X\r\n", address, size);

    /**< 8bit test */
    {
        uint8_t * p_uint8_t = (uint8_t *)address;
        for(i=0; i<size/sizeof(uint8_t); i++)
        {
            *p_uint8_t++ = (uint8_t)i;
        }

        p_uint8_t = (uint8_t *)address;
        for(i=0; i<size/sizeof(uint8_t); i++)
        {
            if( *p_uint8_t != (uint8_t)i )
            {
                printf("8bit test fail @ 0x%08X\r\nsystem halt!!!!!",(uint32_t)p_uint8_t);
                while(1);
            }
            p_uint8_t++;
        }
        printf("8bit test pass!!\r\n");
    }

    /**< 16bit test */
    {
        uint16_t * p_uint16_t = (uint16_t *)address;
        for(i=0; i<size/sizeof(uint16_t); i++)
        {
            *p_uint16_t++ = (uint16_t)i;
        }

        p_uint16_t = (uint16_t *)address;
        for(i=0; i<size/sizeof(uint16_t); i++)
        {
            if( *p_uint16_t != (uint16_t)i )
            {
                printf("16bit test fail @ 0x%08X\r\nsystem halt!!!!!",(uint32_t)p_uint16_t);
                while(1);
            }
            p_uint16_t++;
        }
        printf("16bit test pass!!\r\n");
    }

    /**< 32bit test */
    {
        uint32_t * p_uint32_t = (uint32_t *)address;
        for(i=0; i<size/sizeof(uint32_t); i++)
        {
            *p_uint32_t++ = (uint32_t)i;
        }

        p_uint32_t = (uint32_t *)address;
        for(i=0; i<size/sizeof(uint32_t); i++)
        {
            if( *p_uint32_t != (uint32_t)i )
            {
                printf("32bit test fail @ 0x%08X\r\nsystem halt!!!!!",(uint32_t)p_uint32_t);
                while(1);
            }
            p_uint32_t++;
        }
        printf("32bit test pass!!\r\n");
    }

    /**< 32bit Loopback test */
    {
        uint32_t * p_uint32_t = (uint32_t *)address;
        for(i=0; i<size/sizeof(uint32_t); i++)
        {
            *p_uint32_t  = (uint32_t)p_uint32_t;
            p_uint32_t++;
        }

        p_uint32_t = (uint32_t *)address;
        for(i=0; i<size/sizeof(uint32_t); i++)
        {
            if( *p_uint32_t != (uint32_t)p_uint32_t )
            {
                printf("32bit Loopback test fail @ 0x%08X", (uint32_t)p_uint32_t);
                printf(" data:0x%08X \r\n", (uint32_t)*p_uint32_t);
                printf("system halt!!!!!",(uint32_t)p_uint32_t);
                while(1);
            }
            p_uint32_t++;
        }
        printf("32bit Loopback test pass!!\r\n");
    }
}