/* This program 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 3 of the License, or (at your option) any later version. This program 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 this program. If not, see . */ /* * Airspeed.cpp - airspeed example sketch * */ #include #include #include #include void setup(); void loop(); const AP_HAL::HAL& hal = AP_HAL::get_HAL(); float temperature; // create airspeed object AP_Airspeed airspeed; static AP_BoardConfig board_config; namespace { // try to set the object value but provide diagnostic if it failed void set_object_value(const void *object_pointer, const struct AP_Param::GroupInfo *group_info, const char *name, float value) { if (!AP_Param::set_object_value(object_pointer, group_info, name, value)) { hal.console->printf("WARNING: AP_Param::set object value \"%s::%s\" Failed.\n", group_info->name, name); } } } // to be called only once on boot for initializing objects void setup() { hal.console->printf("ArduPilot Airspeed library test\n"); // set airspeed pin to 65, enable and use to true set_object_value(&airspeed, airspeed.var_info, "PIN", 65); set_object_value(&airspeed, airspeed.var_info, "ENABLE", 1); set_object_value(&airspeed, airspeed.var_info, "USE", 1); board_config.init(); // initialize airspeed airspeed.init(); airspeed.calibrate(false); } // loop void loop(void) { static uint32_t timer; // run read() and get_temperature() in 10Hz if ((AP_HAL::millis() - timer) > 100) { // current system time in milliseconds timer = AP_HAL::millis(); airspeed.update(false); airspeed.get_temperature(temperature); // print temperature and airspeed to console hal.console->printf("airspeed %5.2f temperature %6.2f healthy = %u\n", (double)airspeed.get_airspeed(), (double)temperature, airspeed.healthy()); } hal.scheduler->delay(1); } const struct AP_Param::GroupInfo GCS_MAVLINK::var_info[] = { AP_GROUPEND }; GCS_Dummy _gcs; AP_HAL_MAIN();