AP_HAL: added id_signed for CANFrame

makes for more efficient lua processing
2022-09-30 10:44:59 +10:00 · 2022-09-30 10:44:59 +10:00 · cdebefb77a
parent eed54bfb13
commit cdebefb77a
1 changed files with 5 additions and 0 deletions
--- a/libraries/AP_HAL/CANIface.h
+++ b/libraries/AP_HAL/CANIface.h
@ -67,6 +67,11 @@ struct AP_HAL::CANFrame {
        return (id == rhs.id) && (dlc == rhs.dlc) && (memcmp(data, rhs.data, dlc) == 0);
    }

+    // signed version of id, for use by scriping where uint32_t is expensive
+    int32_t id_signed(void) const {
+        return isExtended()? int32_t(id & MaskExtID) : int32_t(id & MaskStdID);
+    }
+
    bool isExtended()                  const
    {
        return id & FlagEFF;