Adds HAL calls for match data from DS (#691)

hal/src/main/native/include/HAL/DriverStation.h

@@ -47,6 +47,13 @@ enum HAL_AllianceStationID : int32_t {
   HAL_AllianceStationID_kBlue3,
 };
 
+enum HAL_MatchType {
+  HAL_kMatchType_none,
+  HAL_kMatchType_practice,
+  HAL_kMatchType_qualification,
+  HAL_kMatchType_elimination,
+};
+
 /* The maximum number of axes that will be stored in a single HALJoystickAxes
  * struct. This is used for allocating buffers, not bounds checking, since
  * there are usually less axes in practice.
@@ -79,9 +86,18 @@ struct HAL_JoystickDescriptor {
   uint8_t povCount;
 };
 
+struct HAL_MatchInfo {
+  char* eventName;
+  HAL_MatchType matchType;
+  uint16_t matchNumber;
+  uint8_t replayNumber;
+  char* gameSpecificMessage;
+};
+
 #ifdef __cplusplus
 extern "C" {
 #endif
+
 int32_t HAL_SetErrorData(const char* errors, int32_t errorsLength,
                          int32_t waitMs);
 int32_t HAL_SendError(HAL_Bool isError, int32_t errorCode, HAL_Bool isLVCode,
@@ -105,6 +121,9 @@ int32_t HAL_SetJoystickOutputs(int32_t joystickNum, int64_t outputs,
                                int32_t leftRumble, int32_t rightRumble);
 double HAL_GetMatchTime(int32_t* status);
 
+int HAL_GetMatchInfo(HAL_MatchInfo* info);
+void HAL_FreeMatchInfo(HAL_MatchInfo* info);
+
 #ifndef HAL_USE_LABVIEW
 
 void HAL_ReleaseDSMutex(void);