1 /*
2 * ddr_test.c -- ddr test application
3 *
4 * Copyright (c) 2017 Rockchip Electronics Co. Ltd.
5 * Author: Panzhenzhuan Wang <randy.wang@rock-chips.com>
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20 #include <stdio.h>
21 #include <string.h>
22 #include <stdlib.h>
23
24 #include <sys/types.h>
25 #include <sys/stat.h>
26 #include <fcntl.h>
27 #include <errno.h>
28 #include "ddr_test.h"
29
30 #define LOG_TAG "ddr_test"
31 #include "common.h"
32
33 #define EMMCPATH "/sys/bus/mmc/devices/mmc0:0001/block/mmcblk0/size"
34 #define READ_DDR_COMMAND "cat /proc/zoneinfo | busybox grep present | \
35 busybox awk 'BEGIN{a=0}{a+=$2}END{print a}'"
36
37 /* for ddr */
ddr_exec(const char * cmd,char * ddrsize_char,unsigned int length)38 int ddr_exec(const char *cmd, char *ddrsize_char, unsigned int length)
39 {
40 FILE *pp = popen(cmd, "r");
41
42 //����ļ���ʧ�ܣ������������Ϣ
43 if (!pp)
44 {
45 printf("errno=%d\n",errno);
46 char * mesg = strerror(errno); //ʹ��strerror��������������
47 printf("Mesg:%s\n",mesg);
48 return -1;
49 }
50 if (fgets(ddrsize_char, length, pp) == NULL) {
51 printf("popen read from %s is NULL!\n",cmd);
52 pclose(pp);
53 return -1;
54 }
55 pclose(pp);
56 return 0;
57 }
58
59 /* �ڴ���ÿҳ4KB��echo����DDR�ڴ�Ϊ128M*16 DDR3 SDRAM��2GbҲ����256MB*/
ddr_test(void * argv)60 void *ddr_test(void *argv)
61 {
62 int ddr_ret = 0;
63 char ddrsize_char[20];
64 int ddr_size = 0;
65 char cmd[128];
66
67 printf("======= ddr test starting ========\n");
68 //sprintf(cmd,"aplay %s/ddr_test_start.wav",AUDIO_PATH);
69 //system(cmd);
70 //system("aplay /data/test/ddr_test_start.wav");
71 /* For ddr */
72 memset(ddrsize_char, 0, sizeof(ddrsize_char));
73 ddr_ret = ddr_exec(READ_DDR_COMMAND,ddrsize_char, sizeof(ddrsize_char));
74 if (ddr_ret >= 0)
75 {
76 printf("======%s value is %s=====.\n",READ_DDR_COMMAND,ddrsize_char);
77 ddr_size = (int)(atoi(ddrsize_char)*4/1024);
78 printf("=========== ddr_size is : %dMB ==========\n",ddr_size);
79 if(DDR_CAPACITY != ddr_size)
80 goto fail;
81 }
82 else
83 {
84 goto fail;
85 }
86 printf("=========== ddr test success ==========\n");
87
88 return (void*)ddr_ret;
89 fail:
90 printf("=========== ddr test failed ==========\n");
91
92 return (void*)ddr_ret;
93 }
94
95 //����������emmc_test
main(int argc,char * argv[])96 int main(int argc, char *argv[])
97 {
98 int test_flag = 0,err_code = 0;
99 char buf[COMMAND_VALUESIZE] = "ddr_test";
100 char result[COMMAND_VALUESIZE] = RESULT_PASS;
101 test_flag = (int)ddr_test(argv[0]);
102 if(test_flag < 0)
103 {
104 strcpy(result,RESULT_FAIL);
105 err_code = DDR_PROC_ERR;
106 } else {
107 char ddrSize[32] = {0};
108 snprintf(ddrSize, sizeof(ddrSize), "size:%dMB", DDR_CAPACITY);
109 strcat(buf, ": ");
110 strcat(buf, ddrSize);
111 }
112
113 send_msg_to_server(buf, result, err_code);
114 }
115