char is just a 1 byte integer. There is nothing magic with the char type! Just as you can assign a short to an int, or an int to a long, you can assign a char to an int. Yes, the name of the primitive data type happens to be "char", which insinuates that it should only contain characters.
However, I get the error cannot convert 'char*' to 'char**' in assignment. Is there any idea why?
This question already has answers here: Converting int to char in C (7 answers).
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Yes you can, but it will be taken as character not as a digit, so on calculations it would take value between 47 and 58 depending on integer value, If you want to do calculation if the character is only a digit between 0 and 9, just subtract 48 fr...
The recommended approach is to use in-built GetNumericValue method to convert a numeric Unicode character to its numeric equivalent. The following example demonstrates working of GetNumericValue method. It expects a char representation of a numeric value and returns a double value.
Читаем Serial и записываем в int [B]Получение целого однозначного числа(1..9)[/B] IntVar=(Serial.read() - '0')
Может кто подскажет, как правильно преобразовывать wchar_t в char* и наоборот char* в wchar_t ?
Byte to Int Читаем Serial и записываем в int Получение целого однозначного числа(1..9) Получение целого многозначного значения (10+) Получение текста String to Int String to Float String to Char...