FEC_R_BUFF_SIZE_1
#define FEC_R_BUFF_SIZE(X) (((X) == 1) ? FEC_R_BUFF_SIZE_1 : \
FEC_X_DES_START_1, FEC_R_BUFF_SIZE_1, FEC_R_DES_START_2,
FEC_R_BUFF_SIZE_1, FEC_R_BUFF_SIZE_2