how to convert a string to uint_16, im doing a mini c64 on uno using my ST7789 LCD, i have string "0x????" and i need to convert it to a uint_16 i check others but i cant find solution does somewone know how to do this?
Use the strtol() function.
long int strtol (const char* str, char** endptr, int base);
Set the second argument to 0 if you don't need a pointer to the first character after the number.
Set the third argument to 0 to let the library recognize the "0x" part and automatically chose HEX.
A reference for some other string (null terminated character array) to number conversion functions including strtol().
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