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fix nrf52 macaddr byte order

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geeksville 2020-04-23 18:06:46 -07:00
parent 5b0451f25c
commit 0c7c3f17e5
1 changed files with 7 additions and 2 deletions
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9
src/bare/main-nrf52.cpp
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@ -30,8 +30,13 @@ void getMacAddr(uint8_t *dmac)
assert(res == NRF_SUCCESS); assert(res == NRF_SUCCESS);
memcpy(dmac, addr.addr, 6); memcpy(dmac, addr.addr, 6);
#else #else
// FIXME - byte order might be wrong and high bits might be wrong const uint8_t *src = (const uint8_t *)NRF_FICR->DEVICEADDR;
memcpy(dmac, (const void *)NRF_FICR->DEVICEADDR, 6); dmac[5] = src[0];
dmac[4] = src[1];
dmac[3] = src[2];
dmac[2] = src[3];
dmac[1] = src[4];
dmac[0] = src[5] | 0xc0; // MSB high two bits get set elsewhere in the bluetooth stack
#endif #endif
} }