djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fix alignment warning

Browse Source
This commit is contained in:
Dave Marples 2020-02-12 22:36:34 +00:00
parent fb8fbbf42e
commit 4de2a1eb62
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
ports/mimxrt10xx/common-hal/microcontroller/Processor.c
View File

@ -58,8 +58,17 @@ void common_hal_mcu_processor_get_uid(uint8_t raw_id[]) {
OCOTP_Init(OCOTP, CLOCK_GetFreq(kCLOCK_IpgClk)); OCOTP_Init(OCOTP, CLOCK_GetFreq(kCLOCK_IpgClk));
// Reads shadow registers 0x01 - 0x04 (Configuration and Manufacturing Info) // Reads shadow registers 0x01 - 0x04 (Configuration and Manufacturing Info)
// into 8 bit wide destination, avoiding punning.
for (int i = 0; i < 4; ++i) for (int i = 0; i < 4; ++i)
((uint32_t*) raw_id)[i] = OCOTP_ReadFuseShadowRegister(OCOTP, i + 1); {
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); OCOTP_Deinit(OCOTP);
} }