115 lines
3.1 KiB
C
Executable File
115 lines
3.1 KiB
C
Executable File
/*
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* ddr_test.c -- ddr test application
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*
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* Copyright (c) 2017 Rockchip Electronics Co. Ltd.
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* Author: Panzhenzhuan Wang <randy.wang@rock-chips.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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#include <errno.h>
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#include "ddr_test.h"
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#define LOG_TAG "ddr_test"
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#include "common.h"
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#define EMMCPATH "/sys/bus/mmc/devices/mmc0:0001/block/mmcblk0/size"
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#define READ_DDR_COMMAND "cat /proc/zoneinfo | busybox grep present | \
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busybox awk 'BEGIN{a=0}{a+=$2}END{print a}'"
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/* for ddr */
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int ddr_exec(const char *cmd, char *ddrsize_char, unsigned int length)
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{
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FILE *pp = popen(cmd, "r");
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//如果文件打开失败，则输出错误信息
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if (!pp)
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{
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printf("errno=%d\n",errno);
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char * mesg = strerror(errno); //使用strerror（）翻译错误代码
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printf("Mesg:%s\n",mesg);
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return -1;
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}
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if (fgets(ddrsize_char, length, pp) == NULL) {
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printf("popen read from %s is NULL!\n",cmd);
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pclose(pp);
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return -1;
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}
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pclose(pp);
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return 0;
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}
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/* 内存是每页4KB，echo样机DDR内存为128M*16 DDR3 SDRAM即2Gb也就是256MB*/
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void *ddr_test(void *argv)
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{
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int ddr_ret = 0;
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char ddrsize_char[20];
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int ddr_size = 0;
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char cmd[128];
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printf("======= ddr test starting ========\n");
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//sprintf(cmd,"aplay %s/ddr_test_start.wav",AUDIO_PATH);
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//system(cmd);
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//system("aplay /data/test/ddr_test_start.wav");
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/* For ddr */
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memset(ddrsize_char, 0, sizeof(ddrsize_char));
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ddr_ret = ddr_exec(READ_DDR_COMMAND,ddrsize_char, sizeof(ddrsize_char));
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if (ddr_ret >= 0)
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{
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printf("======%s value is %s=====.\n",READ_DDR_COMMAND,ddrsize_char);
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ddr_size = (int)(atoi(ddrsize_char)*4/1024);
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printf("=========== ddr_size is : %dMB ==========\n",ddr_size);
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if(DDR_CAPACITY != ddr_size)
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goto fail;
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}
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else
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{
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goto fail;
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}
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printf("=========== ddr test success ==========\n");
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return (void*)ddr_ret;
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fail:
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printf("=========== ddr test failed ==========\n");
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return (void*)ddr_ret;
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}
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//主函数启动emmc_test
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int main(int argc, char *argv[])
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{
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int test_flag = 0,err_code = 0;
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char buf[COMMAND_VALUESIZE] = "ddr_test";
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char result[COMMAND_VALUESIZE] = RESULT_PASS;
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test_flag = (int)ddr_test(argv[0]);
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if(test_flag < 0)
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{
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strcpy(result,RESULT_FAIL);
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err_code = DDR_PROC_ERR;
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} else {
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char ddrSize[32] = {0};
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snprintf(ddrSize, sizeof(ddrSize), "size:%dMB", DDR_CAPACITY);
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strcat(buf, ": ");
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strcat(buf, ddrSize);
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}
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send_msg_to_server(buf, result, err_code);
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}
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