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AP_BLHeli: fix casting without ensuring alignment

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bugobliterator 2021-07-12 21:56:44 +05:30 committed by Andrew Tridgell
parent 7a2c460496
commit e8e5f49640
1 changed files with 4 additions and 3 deletions
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7
libraries/AP_BLHeli/AP_BLHeli.cpp
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@ -743,8 +743,9 @@ bool AP_BLHeli::BL_ConnectEx(void)
blheli.interface_mode[blheli.chan] = 0;
uint16_t *devword = (uint16_t *)blheli.deviceInfo[blheli.chan];
switch (*devword) {
uint16_t devword;
memcpy(&devword, blheli.deviceInfo[blheli.chan], sizeof(devword));
switch (devword) {
case 0x9307:
case 0x930A:
case 0x930F:
@ -769,7 +770,7 @@ bool AP_BLHeli::BL_ConnectEx(void)
debug("Interface type imARM_BLB");
} else {
blheli.ack = ACK_D_GENERAL_ERROR;
debug("Unknown interface type 0x%04x", *devword);
debug("Unknown interface type 0x%04x", devword);
break;
}
}