33 lines
446 B
C++
33 lines
446 B
C++
#pragma once
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// esp-idf includes
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#include <esp32/rom/crc.h>
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namespace espcpputils {
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class EspCrc32Builder
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{
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public:
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std::size_t write(uint8_t c)
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{
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return write(&c, 1);
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}
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std::size_t write(const uint8_t *buf, std::size_t len)
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{
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crc = crc32_le(crc, buf, len);
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return len;
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};
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uint32_t hash() const
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{
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return crc;
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}
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private:
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uint32_t crc{};
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};
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} // namespace espcpputils
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