map function 在 C 中实现

Question

how can i implement a map function in C so I can use it in atmel studio for example the map function arduino C how can I use it in Atmel Studio

x = analogRead(A0);
y = map (x, 0 , 1023 , 0 , 2500 );

Answer 1

来自 Arduino 参考： https://www.arduino.cc/reference/en/language/functions/math/map/

对于数学倾向，这里是整个 function

long map(long x, long in_min, long in_max, long out_min, long out_max) {
  return (x - in_min) * (out_max - out_min) / (in_max - in_min) + out_min;
}