ardupilot/ArduPlane/events.pde

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// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
static void failsafe_short_on_event(enum failsafe_state fstype)
{
// This is how to handle a short loss of control signal failsafe.
failsafe.state = fstype;
failsafe.ch3_timer_ms = millis();
gcs_send_text_P(SEVERITY_LOW, PSTR("Failsafe - Short event on, "));
switch(control_mode)
{
case MANUAL:
case STABILIZE:
case ACRO:
case FLY_BY_WIRE_A:
case FLY_BY_WIRE_B:
case CRUISE:
case TRAINING:
failsafe.saved_mode = control_mode;
failsafe.saved_mode_set = 1;
set_mode(CIRCLE);
break;
case AUTO:
case GUIDED:
case LOITER:
if(g.short_fs_action == 1) {
failsafe.saved_mode = control_mode;
failsafe.saved_mode_set = 1;
set_mode(CIRCLE);
}
break;
case CIRCLE:
case RTL:
default:
break;
}
gcs_send_text_fmt(PSTR("flight mode = %u"), (unsigned)control_mode);
}
static void failsafe_long_on_event(enum failsafe_state fstype)
{
// This is how to handle a long loss of control signal failsafe.
gcs_send_text_P(SEVERITY_LOW, PSTR("Failsafe - Long event on, "));
// If the GCS is locked up we allow control to revert to RC
hal.rcin->clear_overrides();
failsafe.state = fstype;
switch(control_mode)
{
case MANUAL:
case STABILIZE:
case ACRO:
case FLY_BY_WIRE_A:
case FLY_BY_WIRE_B:
case CRUISE:
case TRAINING:
case CIRCLE:
set_mode(RTL);
break;
case AUTO:
case GUIDED:
case LOITER:
if(g.long_fs_action == 1) {
set_mode(RTL);
}
break;
case RTL:
default:
break;
}
gcs_send_text_fmt(PSTR("flight mode = %u"), (unsigned)control_mode);
}
static void failsafe_short_off_event()
{
// We're back in radio contact
gcs_send_text_P(SEVERITY_LOW, PSTR("Failsafe - Short event off"));
failsafe.state = FAILSAFE_NONE;
// re-read the switch so we can return to our preferred mode
// --------------------------------------------------------
if (control_mode == CIRCLE && failsafe.saved_mode_set) {
failsafe.saved_mode_set = 0;
set_mode(failsafe.saved_mode);
}
}
void low_battery_event(void)
{
if (battery.low_batttery) {
return;
}
gcs_send_text_fmt(PSTR("Low Battery %.2fV Used %.0f mAh"),
battery.voltage, battery.current_total_mah);
set_mode(RTL);
aparm.throttle_cruise.load();
battery.low_batttery = true;
}
////////////////////////////////////////////////////////////////////////////////
// repeating event control
/*
update state for MAV_CMD_DO_REPEAT_SERVO and MAV_CMD_DO_REPEAT_RELAY
*/
static void update_events(void)
{
if (event_state.repeat == 0 || (millis() - event_state.start_time_ms) < event_state.delay_ms) {
return;
}
// event_repeat = -1 means repeat forever
if (event_state.repeat != 0) {
event_state.start_time_ms = millis();
switch (event_state.type) {
case EVENT_TYPE_SERVO:
hal.rcout->enable_ch(event_state.rc_channel);
if (event_state.repeat & 1) {
servo_write(event_state.rc_channel, event_state.undo_value);
} else {
servo_write(event_state.rc_channel, event_state.servo_value);
}
break;
case EVENT_TYPE_RELAY:
gcs_send_text_fmt(PSTR("Relay toggle"));
relay.toggle();
break;
}
if (event_state.repeat > 0) {
event_state.repeat--;
}
}
}