Function util::hexToBytes

• Defined in File Hex.cpp

Function Documentation

esp_err_t util::hexToBytes(const char *src, std::uint8_t *target)

Converts an hexadecimal string to a byte array.

This function assumes src to be a zero terminated sanitized string with an even number of [0-9a-f] characters, and target to be sufficiently large.

Return

• ESP_OK: succeed

• ESP_FAIL: an invalid character was found

Parameters

• src: null terminated hexadecimal source string

• [out] target: byte array