ardupilot/libraries/GCS_MAVLink/GCS_Dummy.h

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#include "GCS.h"
const AP_FWVersion AP_FWVersion::fwver
{
major: 3,
minor: 1,
patch: 4,
fw_type: FIRMWARE_VERSION_TYPE_DEV,
fw_string: "Dummy GCS"
};
/*
* GCS backend used for many examples and tools
*/
class GCS_MAVLINK_Dummy : public GCS_MAVLINK
{
uint32_t telem_delay() const override { return 0; }
void handleMessage(mavlink_message_t * msg) override {}
bool try_send_message(enum ap_message id) { return true; }
bool handle_guided_request(AP_Mission::Mission_Command &cmd) override { return true; }
void handle_change_alt_request(AP_Mission::Mission_Command &cmd) override {}
protected:
Compass *get_compass() const override { return nullptr; };
AP_Mission *get_mission() override { return nullptr; }
AP_Rally *get_rally() const override { return nullptr; };
AP_Camera *get_camera() const override { return nullptr; };
uint8_t sysid_my_gcs() const override { return 1; }
bool set_mode(uint8_t mode) override { return false; };
// dummy information:
MAV_TYPE frame_type() const override { return MAV_TYPE_FIXED_WING; }
MAV_MODE base_mode() const override { return (MAV_MODE)MAV_MODE_FLAG_CUSTOM_MODE_ENABLED; }
uint32_t custom_mode() const override { return 3; } // magic number
MAV_STATE system_status() const override { return MAV_STATE_CALIBRATING; }
};
/*
* a GCS singleton used for many example sketches and tools
*/
extern const AP_HAL::HAL& hal;
class GCS_Dummy : public GCS
{
GCS_MAVLINK_Dummy dummy_backend;
uint8_t num_gcs() const override { return 1; }
GCS_MAVLINK_Dummy &chan(const uint8_t ofs) override { return dummy_backend; }
const GCS_MAVLINK_Dummy &chan(const uint8_t ofs) const override { return dummy_backend; };
void send_statustext(MAV_SEVERITY severity, uint8_t dest_bitmask, const char *text) { hal.console->printf("TOGCS: %s\n", text); }
};