/*
* Class: edu_wpi_first_wpilibj_hal_EncoderJNI
* Method: getEncoderSamplesToAverage
* Signature: (J)I
*/
JNIEXPORT jint JNICALL Java_edu_wpi_first_wpilibj_hal_EncoderJNI_getEncoderSamplesToAverage
(JNIEnv * env, jclass, jlong id)
{
ENCODERJNI_LOG(logDEBUG) << "Calling ENCODERJNI getEncoderSamplesToAverage";
ENCODERJNI_LOG(logDEBUG) << "Encoder Ptr = " << (void*)id;
int32_t status = 0;
jint returnValue = getEncoderSamplesToAverage((void*)id, &status);
ENCODERJNI_LOG(logDEBUG) << "Status = " << status;
ENCODERJNI_LOG(logDEBUG) << "getEncoderSamplesToAverageResult = " << returnValue;
CheckStatus(env, status);
return returnValue;
}
/*
* Class: edu_wpi_first_wpilibj_hal_EncoderJNI
* Method: getEncoderSamplesToAverage
* Signature: (Ljava/nio/ByteBuffer;Ljava/nio/IntBuffer;)I
*/
JNIEXPORT jint JNICALL Java_edu_wpi_first_wpilibj_hal_EncoderJNI_getEncoderSamplesToAverage
(JNIEnv * env, jclass, jobject id, jobject status)
{
ENCODERJNI_LOG(logDEBUG) << "Calling ENCODERJNI getEncoderSamplesToAverage";
void ** javaId = (void**)env->GetDirectBufferAddress(id);
ENCODERJNI_LOG(logDEBUG) << "Encoder Ptr = " << *javaId;
jint * statusPtr = (jint*)env->GetDirectBufferAddress(status);
ENCODERJNI_LOG(logDEBUG) << "Status Ptr = " << statusPtr;
jint returnValue = getEncoderSamplesToAverage(*javaId, statusPtr);
ENCODERJNI_LOG(logDEBUG) << "Status = " << *statusPtr;
ENCODERJNI_LOG(logDEBUG) << "getEncoderSamplesToAverageResult = " << returnValue;
return returnValue;
}
/**
* Get the Samples to Average which specifies the number of samples of the timer
* to average when calculating the period.
*
* Perform averaging to account for mechanical imperfections or as oversampling
* to increase resolution.
*
* @return The number of samples being averaged (from 1 to 127)
*/
int Encoder::GetSamplesToAverage() const {
int result = 1;
int32_t status = 0;
switch (m_encodingType) {
case k4X:
result = getEncoderSamplesToAverage(m_encoder, &status);
wpi_setErrorWithContext(status, getHALErrorMessage(status));
break;
case k1X:
case k2X:
result = m_counter->GetSamplesToAverage();
break;
}
return result;
}
