Android系统添加自己写的工具

LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
 test.c \
LOCAL_SHARED_LIBRARIES := \
  libcutils \
  liblog \
LOCAL_LDLIBS  :=-llog
LOCAL_MODULE:= dytest
LOCAL_MODULE_TAGS := optional
include $(BUILD_EXECUTABLE)

#include <linux/types.h> 
#include <linux/stddef.h>
#include <asm/ioctl.h>
#ifndef IO_BASIC_H_ 
#define IO_BASIC_H_ 
#define RD_UNIT_SIZE 1024
#define WR_UNIT_SIZE 1024
#define RDWR_UNIT_SIZE 1024
#define S_IRWXU 00700
#define S_IRUSR 00400
#define S_IWUSR 00200
#define S_IXUSR 00100
#define S_IRWXG 00070
#define S_IRGRP 00040
#define S_IWGRP 00020
#define S_IXGRP 00010
#define S_IRWXO 00007
#define S_IROTH 00004
#define S_IWOTH 00002
#define S_IXOTH 00001
#define SI4754_CMDMAGIC 0X81
#define usrdatatype unsigned long
enum FM_CMD_TYPE{
 FM_START = _IOWR(SI4754_CMDMAGIC, 1, unsigned long), 
 FM_STOP,
 FM_SEEKUP, 
 FM_SEEKDOWN,
 FM_SETFREQ,
 FM_SETVOL,
 FM_GETFREQ,
 FM_GETVOL,
 FM_TEST
 };
/* 
 ============================================================================ 
 Name    : IO_Operation.c 
 Author   : DongYi 
 Version   : 
 ============================================================================ 
 */ 
//以O_RDWR | O_CREAT | O_TRUNC,S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP | S_IROTH权限打开文件 
int open_file(const char* filename); 
//以O_RDWR | O_CREAT | O_TRUNC,S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP | S_IROTH权限打开文件 
int open_file_create(const char* filename) ; 
//以O_RDONLY,S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP | S_IROTH权限打开文件 

#include <stdio.h> 
#include <stdlib.h> 
#include <asm/io.h> 
#include <sys/types.h> 
#include <sys/stat.h> 
#include <fcntl.h> 
#include <unistd.h> 
#include <linux/delay.h>
#include "test.h" 
unsigned long qndData;
const char* filename = "/dev/fmsi4754";  
int open_file(const char* filename) { 
  return open_file_create(filename); 
} 
int open_file_create(const char* filename) { 
  int fd; //文件描述符 
  fd = open(filename, O_RDWR | O_CREAT | O_TRUNC, 
      S_IWUSR | S_IRUSR | S_IWGRP | S_IRGRP | S_IROTH); 
  if (fd == -1) { 
    printf("\nopen_file:文件操作失败"); 
    return -1;
 } 
  printf("\nopen_file:文件操作成功"); 
  return fd; 
} 
int main(void) { 
 int fp;
 int ret;
 char buf[1024]={0};
 long len;
 puts("~~~~~~~~~~test.c测试程序 Linux I/O操作~~~~~~~~~~~~\n\n"); /* prints Linux I/O操作 */ 
// for(len=64000;len>0;len--);
 sleep(1);
 fp = open_file_create(filename);
 if (fp < 0) { 
    printf("open_file:faild!\n"); 
    return -1; 
  }else{
   printf("open_file:success!\n"); 
 }
 qndData=0x12345678;
 do{
 ret=ioctl(fp, FM_START, &qndData);
 printf("ioctl_file:qndData：0x%x\n ",qndData); 
 if (ret < 0) { 
  printf("ioctl_file:faild!\n");  
  close(fp);
  return -1; 
 }else{
  printf("ioctl_file:success\n");
 }
 }while(qndData==0x12345678);   //开机
  return 1; 
} 

arm-linux-androideabi-gcc -o dytest --sysroot=/home/android/SambShare/dyT3-v1.0/android/prebuilts/ndk/current/platforms/android-18/arch-arm/ test.c

include external/seustub/seustub/Android.mk
include external/seustub/seustubtest/Android.mk

LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
 seustub.cpp \
 util.cpp \
LOCAL_SHARED_LIBRARIES := \
  libcutils \
  liblog \
LOCAL_LDLIBS  :=-llog
LOCAL_MODULE:= seustub
LOCAL_MODULE_TAGS := optional
include $(BUILD_EXECUTABLE)

LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_SRC_FILES:= \
 seustubtest.cpp \
 ../seustub/util.cpp \
LOCAL_SHARED_LIBRARIES := \
  libcutils \
  liblog \
LOCAL_LDLIBS  :=-llog
LOCAL_MODULE:= seustubtest
LOCAL_MODULE_TAGS := optional
include $(BUILD_EXECUTABLE)

service seustub /system/bin/seustub 
  class main