mirror of
https://github.com/wpilibsuite/allwpilib
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049be6870c
The HAL functions often call NI functions that may expect status to be initialized on entry. Java does not guarantee direct pointer allocation memory to be initialized, although that may have been occurring by accident. Change-Id: I5e3a553f3a7be8de3716ccfc13e6ca1cb4f2a552
93 lines
3.3 KiB
C++
93 lines
3.3 KiB
C++
#include <jni.h>
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#include <assert.h>
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#include "Log.hpp"
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#include "edu_wpi_first_wpilibj_hal_RelayJNI.h"
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#include "HAL/Digital.hpp"
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// set the logging level
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TLogLevel relayJNILogLevel = logWARNING;
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#define RELAYJNI_LOG(level) \
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if (level > relayJNILogLevel) ; \
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else Log().Get(level)
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/*
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* Class: edu_wpi_first_wpilibj_hal_RelayJNI
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* Method: setRelayForward
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* Signature: (Ljava/nio/ByteBuffer;BLjava/nio/IntBuffer;)V
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*/
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JNIEXPORT void JNICALL Java_edu_wpi_first_wpilibj_hal_RelayJNI_setRelayForward
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(JNIEnv * env, jclass, jobject id, jbyte value, jobject status)
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{
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RELAYJNI_LOG(logDEBUG) << "Calling RELAYJNI setRelayForward";
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void ** javaId = (void**)env->GetDirectBufferAddress(id);
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RELAYJNI_LOG(logDEBUG) << "Port Ptr = " << *javaId;
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RELAYJNI_LOG(logDEBUG) << "Flag = " << (jint)value;
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jint * statusPtr = (jint*)env->GetDirectBufferAddress(status);
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RELAYJNI_LOG(logDEBUG) << "Status Ptr = " << statusPtr;
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*statusPtr = 0;
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setRelayForward(*javaId, value, statusPtr);
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RELAYJNI_LOG(logDEBUG) << "Status = " << *statusPtr;
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}
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/*
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* Class: edu_wpi_first_wpilibj_hal_RelayJNI
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* Method: setRelayReverse
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* Signature: (Ljava/nio/ByteBuffer;BLjava/nio/IntBuffer;)V
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*/
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JNIEXPORT void JNICALL Java_edu_wpi_first_wpilibj_hal_RelayJNI_setRelayReverse
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(JNIEnv * env, jclass, jobject id, jbyte value, jobject status)
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{
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RELAYJNI_LOG(logDEBUG) << "Calling RELAYJNI setRelayReverse";
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void ** javaId = (void**)env->GetDirectBufferAddress(id);
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RELAYJNI_LOG(logDEBUG) << "Port Ptr = " << *javaId;
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RELAYJNI_LOG(logDEBUG) << "Flag = " << (jint)value;
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jint * statusPtr = (jint*)env->GetDirectBufferAddress(status);
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RELAYJNI_LOG(logDEBUG) << "Status Ptr = " << statusPtr;
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*statusPtr = 0;
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setRelayReverse(*javaId, value, statusPtr);
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RELAYJNI_LOG(logDEBUG) << "Status = " << *statusPtr;
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}
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/*
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* Class: edu_wpi_first_wpilibj_hal_RelayJNI
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* Method: getRelayForward
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* Signature: (Ljava/nio/ByteBuffer;Ljava/nio/IntBuffer;)B
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*/
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JNIEXPORT jbyte JNICALL Java_edu_wpi_first_wpilibj_hal_RelayJNI_getRelayForward
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(JNIEnv * env, jclass, jobject id, jobject status)
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{
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RELAYJNI_LOG(logDEBUG) << "Calling RELAYJNI getRelayForward";
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void ** javaId = (void**)env->GetDirectBufferAddress(id);
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RELAYJNI_LOG(logDEBUG) << "Port Ptr = " << *javaId;
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jint * statusPtr = (jint*)env->GetDirectBufferAddress(status);
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RELAYJNI_LOG(logDEBUG) << "Status Ptr = " << statusPtr;
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*statusPtr = 0;
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jbyte returnValue = getRelayForward(*javaId, statusPtr);
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RELAYJNI_LOG(logDEBUG) << "Status = " << *statusPtr;
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RELAYJNI_LOG(logDEBUG) << "getRelayForwardResult = " << (jint)returnValue;
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return returnValue;
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}
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/*
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* Class: edu_wpi_first_wpilibj_hal_RelayJNI
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* Method: getRelayReverse
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* Signature: (Ljava/nio/ByteBuffer;Ljava/nio/IntBuffer;)B
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*/
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JNIEXPORT jbyte JNICALL Java_edu_wpi_first_wpilibj_hal_RelayJNI_getRelayReverse
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(JNIEnv * env, jclass, jobject id, jobject status)
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{
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RELAYJNI_LOG(logDEBUG) << "Calling RELAYJNI getRelayReverse";
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void ** javaId = (void**)env->GetDirectBufferAddress(id);
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RELAYJNI_LOG(logDEBUG) << "Port Ptr = " << *javaId;
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jint * statusPtr = (jint*)env->GetDirectBufferAddress(status);
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RELAYJNI_LOG(logDEBUG) << "Status Ptr = " << statusPtr;
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*statusPtr = 0;
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jbyte returnValue = getRelayReverse(*javaId, statusPtr);
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RELAYJNI_LOG(logDEBUG) << "Status = " << *statusPtr;
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RELAYJNI_LOG(logDEBUG) << "getRelayReverseResult = " << (jint)returnValue;
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return returnValue;
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}
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