diff options
| -rw-r--r-- | ports/mimxrt/mphalport.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/ports/mimxrt/mphalport.c b/ports/mimxrt/mphalport.c index 46349d3a3..87741e0b5 100644 --- a/ports/mimxrt/mphalport.c +++ b/ports/mimxrt/mphalport.c @@ -140,8 +140,8 @@ uint64_t mp_hal_time_ns(void) { // MAC address void mp_hal_get_unique_id(uint8_t id[]) { - *(uint32_t *)&id[0] = OCOTP->CFG0; - *(uint32_t *)&id[4] = OCOTP->CFG1; + *(uint32_t *)id = OCOTP->CFG0; + *(uint32_t *)(id + 4) = OCOTP->CFG1; } // Generate a random locally administered MAC address (LAA) @@ -150,12 +150,12 @@ void mp_hal_generate_laa_mac(int idx, uint8_t buf[6]) { unsigned char id[8]; mp_hal_get_unique_id(id); - uint32_t pt1 = *(uint32_t *)&id[0]; - uint32_t pt2 = *(uint32_t *)&id[4]; + uint32_t *pt1 = (uint32_t *)id; + uint32_t *pt2 = (uint32_t *)(id + 4); buf[0] = 0x02; // Locally Administered MAC - *(uint32_t *)&buf[1] = pt1 ^ (pt1 >> 8); - *(uint16_t *)&buf[4] = (uint16_t)(pt2 ^ pt2 >> 16); + *(uint32_t *)&buf[1] = *pt1 ^ (*pt1 >> 8); + *(uint16_t *)&buf[4] = (uint16_t)(*pt2 ^ *pt2 >> 16); buf[5] ^= (uint8_t)idx; } |