/* | |
* Copyright (c) 2019 Leandro A. F. Pereira | |
* | |
* SPDX-License-Identifier: Apache-2.0 | |
*/ | |
#include <soc/efuse_reg.h> | |
#include <drivers/hwinfo.h> | |
#include <string.h> | |
ssize_t _impl_hwinfo_get_device_id(u8_t *buffer, size_t length) | |
{ | |
uint32_t fuse_rdata[] = { | |
sys_read32(EFUSE_BLK0_RDATA1_REG), | |
sys_read32(EFUSE_BLK0_RDATA2_REG), | |
}; | |
if (length > sizeof(fuse_rdata)) { | |
length = sizeof(fuse_rdata); | |
} | |
memcpy(buffer, fuse_rdata, length); | |
return length; | |
} |