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Rover: code-generate chan-fetching methods 

A recent PR had to change every single one of these methods, which was kind of unfortunate.

So generate the methods using a #define so the duplication happens at preprocessor-time.
This commit is contained in:
Peter Barker 2022-12-14 12:14:18 +11:00 committed by Peter Barker
parent 85d223b9d0
commit 82e7476532
1 changed files with 6 additions and 16 deletions
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22
Rover/GCS_Rover.h
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@ -9,22 +9,12 @@ class GCS_Rover : public GCS
public:
// return GCS link at offset ofs
GCS_MAVLINK_Rover *chan(const uint8_t ofs) override {
if (ofs > _num_gcs) {
INTERNAL_ERROR(AP_InternalError::error_t::gcs_offset);
return nullptr;
}
return (GCS_MAVLINK_Rover*)_chan[ofs];
}
// return GCS link at offset ofs
const GCS_MAVLINK_Rover *chan(const uint8_t ofs) const override {
if (ofs > _num_gcs) {
INTERNAL_ERROR(AP_InternalError::error_t::gcs_offset);
return nullptr;
}
return (GCS_MAVLINK_Rover*)_chan[ofs];
}
// the following define expands to a pair of methods to retrieve a
// pointer to an object of the correct subclass for the link at
// offset ofs. These are of the form:
// GCS_MAVLINK_XXXX *chan(const uint8_t ofs) override;
// const GCS_MAVLINK_XXXX *chan(const uint8_t ofs) override const;
GCS_MAVLINK_CHAN_METHOD_DEFINITIONS(GCS_MAVLINK_Rover);
uint32_t custom_mode() const override;
MAV_TYPE frame_type() const override;