[module] gas-engine idle trim & cut-off

conf/modules/gas_engine_idle.xml

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+<!DOCTYPE module SYSTEM "module.dtd">
+
+<module name="gas_engine">
+  <doc>
+    <description>Gas Engine Idle</description>
+  </doc>
+  <header>
+    <file name="gas_engine_idle_trim.h"/>
+  </header>
+  <periodic fun="periodic_gas_engine_idle_trim()" freq="10." autorun="TRUE"/>
+  <makefile>
+    <raw>
+    </raw>
+    <file name="gas_engine_idle_trim.c"/>
+  </makefile>
+</module>
+

conf/settings/modules/gas_engine_idle_trim.xml

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+<!DOCTYPE settings SYSTEM "../settings.dtd">
+
+<settings>
+  <dl_settings>
+    <dl_settings NAME="engine">
+      <dl_setting MAX="9600" MIN="-9600" STEP="1" VAR="gas_engine_idle_trim_left" shortname="left" module="modules/gas_engine/gas_engine_idle_trim" />
+      <dl_setting MAX="9600" MIN="-9600" STEP="1" VAR="gas_engine_idle_trim_right" shortname="right"/>
+    </dl_settings>
+  </dl_settings>
+</settings>

sw/airborne/modules/gas_engine/gas_engine_idle_trim.c

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+/*
+ * Copyright (C) 2014 Christophe De Wagter
+ *
+ * This file is part of paparazzi.
+ *
+ * paparazzi is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * paparazzi 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with paparazzi; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+#include "gas_engine_idle_trim.h"
+
+int gas_engine_idle_trim_left = 0;
+int gas_engine_idle_trim_right = 0;
+
+#include "inter_mcu.h"
+
+
+void periodic_gas_engine_idle_trim(void) {
+  ap_state->commands[COMMAND_IDLE1] = fbw_state->channels[RADIO_GAIN1];
+  ap_state->commands[COMMAND_IDLE2] = fbw_state->channels[RADIO_GAIN2];
+}
+

sw/airborne/modules/gas_engine/gas_engine_idle_trim.h

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+/*
+ * Copyright (C) 2014 Christophe De Wagter
+ *
+ * This file is part of paparazzi.
+ *
+ * paparazzi is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * paparazzi 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with paparazzi; see the file COPYING.  If not, write to
+ * the Free Software Foundation, 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ *
+ */
+
+/** \file gas_engine_idle_trim.h
+ *
+ * handle idle throttle command and engine cut-off
+ */
+
+#ifndef GAS_ENGINE_IDLE_TRIM_H
+#define GAS_ENGINE_IDLE_TRIM_H
+
+extern int gas_engine_idle_trim_left;
+extern int gas_engine_idle_trim_right;
+
+void periodic_gas_engine_idle_trim(void);
+
+#endif