Make DMA pulse width work
The sensors return 1 when there is no ball...
Also fix a move before get to a get before move to fix a segfault
Change-Id: If7ebcda52c18f011eb7583a494eb52a8d038cb1b
Signed-off-by: Austin Schuh <austin.linux@gmail.com>
diff --git a/frc971/wpilib/dma.cc b/frc971/wpilib/dma.cc
index 432b77b..6cc8bf0 100644
--- a/frc971/wpilib/dma.cc
+++ b/frc971/wpilib/dma.cc
@@ -7,6 +7,7 @@
#include "frc971/wpilib/ahal/AnalogInput.h"
#include "frc971/wpilib/ahal/DigitalSource.h"
#include "frc971/wpilib/ahal/Encoder.h"
+#include "glog/logging.h"
#include "hal/HAL.h"
// Interface to the roboRIO FPGA's DMA features.
@@ -142,6 +143,7 @@
void DMA::SetExternalTrigger(frc::DigitalSource *input, bool rising,
bool falling) {
+ CHECK(input);
tRioStatusCode status = 0;
if (manager_) {