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std::string ToHex(unsigned int value)
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std::string ToHex(unsigned int value)
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{
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{
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    char hex_string[11];
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    char hex_string[11];
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    snprintf(hex_string, sizeof(hex_string), "0x%08X", value);
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    snprintf(hex_string, sizeof(hex_string), "0x%08X", value);
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    return std::string(hex_string);
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}
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std::string ToHex8bit(unsigned int value)
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{
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    char hex_string[3];
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    if (value > 255) {
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      snprintf(hex_string, sizeof(hex_string), "--");
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    } else {
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      snprintf(hex_string, sizeof(hex_string), "%02x", value);
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    }
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    return std::string(hex_string);
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}
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std::string ToHex4bit(unsigned int value)
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{
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    char hex_string[2];
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    if (value > 15) {
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      snprintf(hex_string, sizeof(hex_string), "-");
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    } else {
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      snprintf(hex_string, sizeof(hex_string), "%01x", value);
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    }
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    return std::string(hex_string);
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    return std::string(hex_string);
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}
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}
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