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commit b9a9ad3aa6e12c4370720756fea6d72dff0afeeb Author: raiden00pl <[email protected]> AuthorDate: Thu Oct 22 16:47:47 2026 +0200 drivers/wireless/ieee802154/mrf24j40: write the extended addresses LSB first EADR0 and ASSOEADR0 hold the least significant octet (datasheet registers 2-6 and 2-83), but the driver wrote the most significant one there, so the radio dropped frames sent to its extended address. Assisted-by: Claude Code Signed-off-by: raiden00pl <[email protected]> --- drivers/wireless/ieee802154/mrf24j40/mrf24j40_getset.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/wireless/ieee802154/mrf24j40/mrf24j40_getset.c b/drivers/wireless/ieee802154/mrf24j40/mrf24j40_getset.c index f7722878394..1ee64dcd3ef 100644 --- a/drivers/wireless/ieee802154/mrf24j40/mrf24j40_getset.c +++ b/drivers/wireless/ieee802154/mrf24j40/mrf24j40_getset.c @@ -213,7 +213,7 @@ int mrf24j40_seteaddr(FAR struct mrf24j40_radio_s *dev, for (i = 0; i < 8; i++) { - mrf24j40_setreg(dev->spi, MRF24J40_EADR0 + i, eaddr[i]); + mrf24j40_setreg(dev->spi, MRF24J40_EADR0 + i, eaddr[7 - i]); dev->addr.eaddr[i] = eaddr[i]; } @@ -263,7 +263,7 @@ int mrf24j40_setcoordeaddr(FAR struct mrf24j40_radio_s *dev, for (i = 0; i < 8; i++) { - mrf24j40_setreg(dev->spi, MRF24J40_ASSOEADR0 + i, eaddr[i]); + mrf24j40_setreg(dev->spi, MRF24J40_ASSOEADR0 + i, eaddr[7 - i]); } wlinfo("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X\n", eaddr[0], eaddr[1],
