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55 lines
1.1 KiB
C++
55 lines
1.1 KiB
C++
1 year ago
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// Write C++ code here.
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//
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// Do not forget to dynamically load the C++ library into your application.
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//
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// For instance,
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//
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// In MainActivity.java:
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// static {
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// System.loadLibrary("mpmaster");
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// }
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//
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// Or, in MainActivity.kt:
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// companion object {
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// init {
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// System.loadLibrary("mpmaster")
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// }
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// }
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#include <jni.h>
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#include <fcntl.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/ioctl.h>
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#define IOT_PARAM_WRITE 0xAE
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#define IOT_PARAM_READ 0xAF
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#define MAX_STRING_LEN 32
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typedef struct
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{
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int cmd;
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int value;
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int result;
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long value2;
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char str[MAX_STRING_LEN];
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}IOT_PARAM;
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extern "C" JNIEXPORT jint JNICALL
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Java_com_xypower_mpmaster_MpMasterService_getInt(JNIEnv* env, jclass cls, jint cmd) {
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int fd = open("/dev/mtkgpioctrl", O_RDONLY);
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// LOGE("get_int fd=%d,cmd=%d\r\n",fd, cmd);
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if( fd > 0 )
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{
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IOT_PARAM param;
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param.cmd = cmd;
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ioctl(fd, IOT_PARAM_READ, ¶m);
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#ifdef _DEBUG
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ALOGI("getInt cmd=%d,value=%d,result=%d\r\n",param.cmd, param.value, param.result);
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#endif
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close(fd);
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return param.value;
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}
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return -1;
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}
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