/**
* Determine if the encoder is stopped.
*
* Using the MaxPeriod value, a boolean is returned that is true if the encoder
* is considered stopped and false if it is still moving. A stopped encoder is
* one where the most recent pulse width exceeds the MaxPeriod.
*
* @return True if the encoder is considered stopped.
*/
bool Encoder::GetStopped() const {
if (StatusIsFatal()) return true;
if (m_counter) {
return m_counter->GetStopped();
} else {
int32_t status = 0;
bool value = getEncoderStopped(m_encoder, &status);
wpi_setErrorWithContext(status, getHALErrorMessage(status));
return value;
}
}
/*
* Class: edu_wpi_first_wpilibj_hal_EncoderJNI
* Method: getEncoderStopped
* Signature: (J)Z
*/
JNIEXPORT jboolean JNICALL Java_edu_wpi_first_wpilibj_hal_EncoderJNI_getEncoderStopped
(JNIEnv * env, jclass, jlong id)
{
ENCODERJNI_LOG(logDEBUG) << "Calling ENCODERJNI getEncoderStopped";
ENCODERJNI_LOG(logDEBUG) << "Encoder Ptr = " << (void*)id;
int32_t status = 0;
jboolean returnValue = getEncoderStopped((void*)id, &status);
ENCODERJNI_LOG(logDEBUG) << "Status = " << status;
ENCODERJNI_LOG(logDEBUG) << "getEncoderStoppedResult = " << returnValue;
CheckStatus(env, status);
return returnValue;
}
/*
* Class: edu_wpi_first_wpilibj_hal_EncoderJNI
* Method: getEncoderStopped
* Signature: (Ljava/nio/ByteBuffer;Ljava/nio/IntBuffer;)B
*/
JNIEXPORT jbyte JNICALL Java_edu_wpi_first_wpilibj_hal_EncoderJNI_getEncoderStopped
(JNIEnv * env, jclass, jobject id, jobject status)
{
ENCODERJNI_LOG(logDEBUG) << "Calling ENCODERJNI getEncoderStopped";
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 = getEncoderStopped(*javaId, statusPtr);
ENCODERJNI_LOG(logDEBUG) << "Status = " << *statusPtr;
ENCODERJNI_LOG(logDEBUG) << "getEncoderStoppedResult = " << returnValue;
return returnValue;
}
