99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
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//
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// Created by ly on 2021/5/26.
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//
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#include <stdio.h>
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#include <fcntl.h>
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#include <stdint.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <unistd.h>
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#include <cutils/log.h>
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#include <cutils/properties.h>
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#include "com_rockchip_graphics_save_baseparameter_util.h"
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#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG , "outputImage", __VA_ARGS__) // DEBUG
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#define BASEPARAMETER_IMAGE_SIZE 1024*1024
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static char const *const device_template[] =
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{
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"/dev/block/platform/1021c000.dwmmc/by-name/baseparameter",
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"/dev/block/platform/30020000.dwmmc/by-name/baseparameter",
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"/dev/block/platform/fe330000.sdhci/by-name/baseparameter",
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"/dev/block/platform/ff520000.dwmmc/by-name/baseparameter",
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"/dev/block/platform/ff0f0000.dwmmc/by-name/baseparameter",
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"/dev/block/platform/30030000.nandc/by-name/baseparameter",
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"/dev/block/rknand_baseparameter",
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"/dev/block/by-name/baseparameter",
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NULL
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};
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const char* get_baseparameter_file() {
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int i = 0;
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while (device_template[i]) {
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if (!access(device_template[i], R_OK | W_OK))
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return device_template[i];
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i++;
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}
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return NULL;
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}
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int dump_baseparameter(const char *file_path) {
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int file;
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int ret;
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const char *baseparameterfile = get_baseparameter_file();
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if (!baseparameterfile) {
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sync();
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return -ENOENT;
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}
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file = open(baseparameterfile, O_RDWR);
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if (file < 0) {
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LOGD("base paramter file can not be opened \n");
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sync();
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return -EIO;
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}
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char *data = (char *)malloc(BASEPARAMETER_IMAGE_SIZE);
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lseek(file, 0L, SEEK_SET);
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ret = read(file, data, BASEPARAMETER_IMAGE_SIZE);
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if (ret < 0) {
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LOGD("fail to read");
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close(file);
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free(data);
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return -EIO;
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}
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close(file);
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file = open(file_path, O_CREAT | O_WRONLY, 0666);
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LOGD("open %s file %d errno %d", file_path, file, errno);
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if (file < 0) {
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LOGD("fail to open");
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free(data);
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return -EIO;
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}
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lseek(file, BASEPARAMETER_IMAGE_SIZE-1, SEEK_SET);
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ret = write(file, "\0", 1);
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if (ret < 0) {
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LOGD("fail to write");
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close(file);
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free(data);
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return -EIO;
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}
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lseek(file, 0L, SEEK_SET);
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ret = write(file, (char*)data, BASEPARAMETER_IMAGE_SIZE);
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fsync(file);
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close(file);
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free(data);
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LOGD("dump_baseparameter %s success\n", file_path);
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return 0;
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}
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JNIEXPORT jint JNICALL Java_com_rockchip_graphics_SaveBaseParameterUtil_outputImage
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(JNIEnv * env, jclass clazz, jstring path)
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{
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const char* mPath = env->GetStringUTFChars(path, NULL);
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int ret = dump_baseparameter(mPath);
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env->ReleaseStringUTFChars(path, mPath);
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return ret;
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}
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