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Fix alignment warning #2618

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Merged
merged 3 commits into from
Feb 18, 2020
Merged

Fix alignment warning #2618

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4de2a1e
Fix alignment warning
mubes Feb 12, 2020
d13f04f
Updated formatting
mubes Feb 14, 2020
77ad9af
Formatting updates
mubes Feb 16, 2020
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11 changes: 8 additions & 3 deletions ports/mimxrt10xx/common-hal/microcontroller/Processor.c
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Original file line number Diff line number Diff line change
Expand Up @@ -58,8 +58,13 @@ void common_hal_mcu_processor_get_uid(uint8_t raw_id[]) {
OCOTP_Init(OCOTP, CLOCK_GetFreq(kCLOCK_IpgClk));

// Reads shadow registers 0x01 - 0x04 (Configuration and Manufacturing Info)
for (int i = 0; i < 4; ++i)
((uint32_t*) raw_id)[i] = OCOTP_ReadFuseShadowRegister(OCOTP, i + 1);

// into 8 bit wide destination, avoiding punning.
for (int i = 0; i < 4; ++i) {
uint32_t wr = OCOTP_ReadFuseShadowRegister(OCOTP, i + 1);
for (int j = 0; j < 4; j++) {
raw_id[i*4+j] = wr & 0xff;
wr >>= 8;
}
}
OCOTP_Deinit(OCOTP);
}