gamma.h

#ifndef _GAMMA_H_
#define _GAMMA_H_

#ifdef __AVR
#include <avr/pgmspace.h>
#elif defined(ESP8266)
#include <pgmspace.h>
#else
#ifndef PROGMEM
#define PROGMEM
#endif
#endif

static const unsigned char PROGMEM
    gamma5[] = {0x00, 0x01, 0x02, 0x03, 0x05, 0x07, 0x09, 0x0b,
                0x0e, 0x11, 0x14, 0x18, 0x1d, 0x22, 0x28, 0x2e,
                0x36, 0x3d, 0x46, 0x4f, 0x59, 0x64, 0x6f, 0x7c,
                0x89, 0x97, 0xa6, 0xb6, 0xc7, 0xd9, 0xeb, 0xff},
    gamma6[] = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x08, 0x09, 0x0a,
                0x0b, 0x0d, 0x0e, 0x10, 0x12, 0x13, 0x15, 0x17, 0x19, 0x1b,
                0x1d, 0x20, 0x22, 0x25, 0x27, 0x2a, 0x2d, 0x30, 0x33, 0x37,
                0x3a, 0x3e, 0x41, 0x45, 0x49, 0x4d, 0x52, 0x56, 0x5b, 0x5f,
                0x64, 0x69, 0x6e, 0x74, 0x79, 0x7f, 0x85, 0x8b, 0x91, 0x97,
                0x9d, 0xa4, 0xab, 0xb2, 0xb9, 0xc0, 0xc7, 0xcf, 0xd6, 0xde,
                0xe6, 0xee, 0xf7, 0xff};

#endif // _GAMMA_H_