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diff --git a/thirdparty/includes/WiringPi/softPwm.h b/thirdparty/includes/WiringPi/softPwm.h
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+/*
+ * softPwm.h:
+ * Provide 2 channels of software driven PWM.
+ * Copyright (c) 2012 Gordon Henderson
+ ***********************************************************************
+ * This file is part of wiringPi:
+ * https://projects.drogon.net/raspberry-pi/wiringpi/
+ *
+ * wiringPi is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * wiringPi is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with wiringPi.
+ * If not, see <http://www.gnu.org/licenses/>.
+ ***********************************************************************
+ */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int softPwmCreate (int pin, int value, int range) ;
+extern void softPwmWrite (int pin, int value) ;
+extern void softPwmStop (int pin) ;
+
+#ifdef __cplusplus
+}
+#endif