Moves HAL PCM objects to header and HAL namespace (#129)

hal/lib/athena/PCMInternal.h

@@ -0,0 +1,21 @@
+/*----------------------------------------------------------------------------*/
+/* Copyright (c) FIRST 2016. All Rights Reserved.                             */
+/* Open Source Software - may be modified and shared by FRC teams. The code   */
+/* must be accompanied by the FIRST BSD license file in the root directory of */
+/* the project.                                                               */
+/*----------------------------------------------------------------------------*/
+
+#pragma once
+
+#include <stdint.h>
+
+#include "ctre/PCM.h"
+
+namespace hal {
+constexpr int NUM_MODULE_NUMBERS = 63;
+constexpr int NUM_SOLENOID_PINS = 8;
+
+extern PCM* PCM_modules[NUM_MODULE_NUMBERS];
+
+void initializePCM(int module);
+}