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AP_Param: fixed handling of group_element=255 in sentinal detection 

EK3_DRAG_BCOEF_Y has a group element of 255, which was being detected
as a sentinal
This commit is contained in:
Andrew Tridgell 2021-04-20 12:08:22 +10:00
parent 85e3772759
commit eac027b5c5
1 changed files with 4 additions and 4 deletions
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8
libraries/AP_Param/AP_Param.cpp
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@ -696,11 +696,11 @@ void AP_Param::set_key(Param_header &phdr, uint16_t key)
*/ */
bool AP_Param::is_sentinal(const Param_header &phdr) bool AP_Param::is_sentinal(const Param_header &phdr)
{ {
// note that this is an ||, not an &&, as this makes us more // note that this is an ||, not an && on the key and group, as
// robust to power off while adding a variable to EEPROM // this makes us more robust to power off while adding a variable
// to EEPROM
if (phdr.type == _sentinal_type || if (phdr.type == _sentinal_type ||
get_key(phdr) == _sentinal_key || get_key(phdr) == _sentinal_key) {
phdr.group_element == _sentinal_group) {
return true; return true;
} }
// also check for 0xFFFFFFFF and 0x00000000, which are the fill // also check for 0xFFFFFFFF and 0x00000000, which are the fill