Runtime Endian Detection

endian.c

uint16_T one = 1U;
enum {
	LittleEndian,
	BigEndian
} machByteOrder = (*((uint8_T *) &one) == 1U) ? LittleEndian : BigEndian;
switch (machByteOrder) {
	case LittleEndian:
		// code here
		break;
	case BigEndian:
		// code here
		break;
}