33 lines
548 B
C
33 lines
548 B
C
|
/*
|
||
|
|
* Copyright (c) 2020 ATL Electronics
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: Apache-2.0
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define DT_DRV_COMPAT cypress_psoc6_uid
|
||
|
|
|
||
|
|
#include <device.h>
|
||
|
|
#include <drivers/hwinfo.h>
|
||
|
|
#include <init.h>
|
||
|
|
#include <soc.h>
|
||
|
|
#include <string.h>
|
||
|
|
|
||
|
|
#include <cy_syslib.h>
|
||
|
|
|
||
|
|
ssize_t z_impl_hwinfo_get_device_id(uint8_t *buffer, size_t length)
|
||
|
|
{
|
||
|
|
uint8_t *uid_addr = (uint8_t *) DT_INST_REG_ADDR(0);
|
||
|
|
|
||
|
|
if (buffer == NULL) {
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (length > DT_INST_REG_SIZE(0)) {
|
||
|
|
length = DT_INST_REG_SIZE(0);
|
||
|
|
}
|
||
|
|
|
||
|
|
memcpy(buffer, uid_addr, length);
|
||
|
|
|
||
|
|
return length;
|
||
|
|
}
|