diff options
Diffstat (limited to 'src/modules/systemlib')
-rw-r--r-- | src/modules/systemlib/rc_check.c | 4 | ||||
-rw-r--r-- | src/modules/systemlib/state_table.h | 75 |
2 files changed, 77 insertions, 2 deletions
diff --git a/src/modules/systemlib/rc_check.c b/src/modules/systemlib/rc_check.c index b4350cc24..21e15ec56 100644 --- a/src/modules/systemlib/rc_check.c +++ b/src/modules/systemlib/rc_check.c @@ -45,7 +45,7 @@ #include <systemlib/rc_check.h> #include <systemlib/param/param.h> #include <mavlink/mavlink_log.h> -#include <uORB/topics/rc_channels.h> +#include <drivers/drv_rc_input.h> int rc_calibration_check(int mavlink_fd) { @@ -66,7 +66,7 @@ int rc_calibration_check(int mavlink_fd) { int channel_fail_count = 0; - for (int i = 0; i < RC_CHANNELS_MAX; i++) { + for (int i = 0; i < RC_INPUT_MAX_CHANNELS; i++) { /* should the channel be enabled? */ uint8_t count = 0; diff --git a/src/modules/systemlib/state_table.h b/src/modules/systemlib/state_table.h new file mode 100644 index 000000000..f2709d29f --- /dev/null +++ b/src/modules/systemlib/state_table.h @@ -0,0 +1,75 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/** + * @file state_table.h + * + * Finite-State-Machine helper class for state table + */ + +#ifndef __SYSTEMLIB_STATE_TABLE_H +#define __SYSTEMLIB_STATE_TABLE_H + +class StateTable +{ +public: + typedef void (StateTable::*Action)(); + struct Tran { + Action action; + unsigned nextState; + }; + + StateTable(Tran const *table, unsigned nStates, unsigned nSignals) + : myTable(table), myNsignals(nSignals), myNstates(nStates) {} + + #define NO_ACTION &StateTable::doNothing + #define ACTION(_target) static_cast<StateTable::Action>(_target) + + virtual ~StateTable() {} + + void dispatch(unsigned const sig) { + register Tran const *t = myTable + myState*myNsignals + sig; + (this->*(t->action))(); + + myState = t->nextState; + } + void doNothing() {} +protected: + unsigned myState; +private: + Tran const *myTable; + unsigned myNsignals; + unsigned myNstates; +}; + +#endif
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