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