/*
* Class: edu_wpi_first_wpilibj_hal_AnalogJNI
* Method: setAnalogOversampleBits
* Signature: (Ljava/nio/ByteBuffer;ILjava/nio/IntBuffer;)V
*/
JNIEXPORT void JNICALL Java_edu_wpi_first_wpilibj_hal_AnalogJNI_setAnalogOversampleBits
(JNIEnv * env, jclass, jobject id, jint value, jobject status)
{
ANALOGJNI_LOG(logDEBUG) << "OversampleBits = " << value;
void ** javaId = (void**)env->GetDirectBufferAddress(id);
ANALOGJNI_LOG(logDEBUG) << "Analog Ptr = " << *javaId;
jint * statusPtr = (jint*)env->GetDirectBufferAddress(status);
setAnalogOversampleBits( *javaId, value, statusPtr );
ANALOGJNI_LOG(logDEBUG) << "Status = " << *statusPtr;
}
/**
* Initialize the analog input port using the given port object.
*/
void* initializeAnalogInputPort(void* port_pointer, int32_t *status) {
initializeAnalog(status);
Port* port = (Port*) port_pointer;
// Initialize port structure
AnalogPort* analog_port = new AnalogPort();
analog_port->port = *port;
if (isAccumulatorChannel(analog_port, status)) {
analog_port->accumulator = tAccumulator::create(port->pin, status);
} else analog_port->accumulator = NULL;
// Set default configuration
analogInputSystem->writeScanList(port->pin, port->pin, status);
setAnalogAverageBits(analog_port, kDefaultAverageBits, status);
setAnalogOversampleBits(analog_port, kDefaultOversampleBits, status);
return analog_port;
}
/**
* Set the number of oversample bits.
* This sets the number of oversample bits. The actual number of oversampled
* values is 2^bits.
* Use oversampling to improve the resolution of your measurements at the
* expense of sampling rate.
* The oversampling is done automatically in the FPGA.
*
* @param bits Number of bits of oversampling.
*/
void AnalogInput::SetOversampleBits(uint32_t bits) {
if (StatusIsFatal()) return;
int32_t status = 0;
setAnalogOversampleBits(m_port, bits, &status);
wpi_setErrorWithContext(status, getHALErrorMessage(status));
}
