As far as I know, there's no standard function to do so, but it's simple to achieve in the following manner: #include <stdio.h> int main(int argc, ... ... <看更多>

hex string to byte array, C. GitHub Gist: instantly share code, notes, and snippets. ... <看更多>

Well, the C string is already byte array. If you mean Arduino's String class, then it has c_str() method. Both needs reinterpret cast to ... ... <看更多>