recieve params on jevois cameras.

Change-Id: I6075ab70dad44c6e31ec4eeda5e492611bef6a46
diff --git a/y2019/jevois/structures.h b/y2019/jevois/structures.h
index 28da405..055f201 100644
--- a/y2019/jevois/structures.h
+++ b/y2019/jevois/structures.h
@@ -139,6 +139,9 @@
   // The calibration matrix. This defines where the camera is pointing.
   //
   // TODO(Parker): What are the details on how this is defined?
+  // [0][0]: mount_angle
+  // [0][1]: focal_length
+  // [0][2]: barrel_mount
   Eigen::Matrix<float, 3, 4> calibration;
 
   // A local timestamp from the Teensy. This starts at 0 when the Teensy is
diff --git a/y2019/vision/target_finder.h b/y2019/vision/target_finder.h
index 633733a..5957fa6 100644
--- a/y2019/vision/target_finder.h
+++ b/y2019/vision/target_finder.h
@@ -57,6 +57,7 @@
   const Target &GetTemplateTarget() { return target_template_; }
 
   const IntrinsicParams &intrinsics() const { return intrinsics_; }
+  IntrinsicParams *mutable_intrinsics() { return &intrinsics_; }
 
  private:
   // Find a loosly connected target.
diff --git a/y2019/vision/target_sender.cc b/y2019/vision/target_sender.cc
index be56e91..2617d33 100644
--- a/y2019/vision/target_sender.cc
+++ b/y2019/vision/target_sender.cc
@@ -381,6 +381,11 @@
               frc971::jevois::UartUnpackToCamera(packet);
           if (calibration_question) {
             const auto &calibration = *calibration_question;
+            IntrinsicParams *intrinsics = finder_.mutable_intrinsics();
+            intrinsics->mount_angle = calibration.calibration(0, 0);
+            intrinsics->focal_length = calibration.calibration(0, 1);
+            intrinsics->barrel_mount = calibration.calibration(0, 2);
+
             switch (calibration.camera_command) {
               case CameraCalibration::CameraCommand::kNormal:
                 break;