/**
* The last direction the encoder value changed.
*
* @return The last direction the encoder value changed.
*/
bool Encoder::GetDirection() const {
if (StatusIsFatal()) return false;
if (m_counter) {
return m_counter->GetDirection();
} else {
int32_t status = 0;
bool value = getEncoderDirection(m_encoder, &status);
wpi_setErrorWithContext(status, getHALErrorMessage(status));
return value;
}
}
/*
* Class: edu_wpi_first_wpilibj_hal_EncoderJNI
* Method: getEncoderDirection
* Signature: (J)Z
*/
JNIEXPORT jboolean JNICALL Java_edu_wpi_first_wpilibj_hal_EncoderJNI_getEncoderDirection
(JNIEnv * env, jclass, jlong id)
{
ENCODERJNI_LOG(logDEBUG) << "Calling ENCODERJNI getEncoderDirection";
ENCODERJNI_LOG(logDEBUG) << "Encoder Ptr = " << (void*)id;
int32_t status = 0;
jboolean returnValue = getEncoderDirection((void*)id, &status);
ENCODERJNI_LOG(logDEBUG) << "Status = " << status;
ENCODERJNI_LOG(logDEBUG) << "getEncoderDirectionResult = " << returnValue;
CheckStatus(env, status);
return returnValue;
}
/*
* Class: edu_wpi_first_wpilibj_hal_EncoderJNI
* Method: getEncoderDirection
* Signature: (Ljava/nio/ByteBuffer;Ljava/nio/IntBuffer;)B
*/
JNIEXPORT jbyte JNICALL Java_edu_wpi_first_wpilibj_hal_EncoderJNI_getEncoderDirection
(JNIEnv * env, jclass, jobject id, jobject status)
{
ENCODERJNI_LOG(logDEBUG) << "Calling ENCODERJNI getEncoderDirection";
void ** javaId = (void**)env->GetDirectBufferAddress(id);
ENCODERJNI_LOG(logDEBUG) << "Encoder Ptr = " << *javaId;
jint * statusPtr = (jint*)env->GetDirectBufferAddress(status);
ENCODERJNI_LOG(logDEBUG) << "Status Ptr = " << statusPtr;
jbyte returnValue = getEncoderDirection(*javaId, statusPtr);
ENCODERJNI_LOG(logDEBUG) << "Status = " << *statusPtr;
ENCODERJNI_LOG(logDEBUG) << "getEncoderDirectionResult = " << returnValue;
return returnValue;
}
