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Plane: re-enable geofencing on APM2

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it only just fits ...
This commit is contained in:
Andrew Tridgell 2015-07-30 10:50:12 +10:00 committed by Randy Mackay
parent 85179edf58
commit be747afd0b
2 changed files with 3 additions and 6 deletions
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4
ArduPlane/config.h
View File

@ -420,11 +420,7 @@
// use this to disable geo-fencing
#ifndef GEOFENCE_ENABLED
#if HAL_CPU_CLASS > HAL_CPU_CLASS_16
# define GEOFENCE_ENABLED ENABLED
#else
# define GEOFENCE_ENABLED DISABLE
#endif
#endif
// pwm value on FENCE_CHANNEL to use to enable fenced mode

5
ArduPlane/geofence.cpp
View File

@ -94,7 +94,8 @@ void Plane::geofence_load(void)
uint8_t i;
if (geofence_state == NULL) {
if (hal.util->available_memory() < 512 + sizeof(struct GeofenceState)) {
uint16_t boundary_size = sizeof(Vector2l) * max_fencepoints();
if (hal.util->available_memory() < 100 + boundary_size + sizeof(struct GeofenceState)) {
// too risky to enable as we could run out of stack
goto failed;
}
@ -104,7 +105,7 @@ void Plane::geofence_load(void)
goto failed;
}
geofence_state->boundary = (Vector2l *)calloc(sizeof(Vector2l), max_fencepoints());
geofence_state->boundary = (Vector2l *)calloc(1, boundary_size);
if (geofence_state->boundary == NULL) {
free(geofence_state);
geofence_state = NULL;