CFR2
freq1 = stv0900_read_reg(intp, CFR2);
coarse_freq = (stv0900_read_reg(intp, CFR2) << 8)
carr_offset = (stv0900_read_reg(intp, CFR2) << 8)
freq1 = stv0900_read_reg(intp, CFR2);
freq_coarse = STV090x_READ_DEMOD(state, CFR2) << 8;
offst_car = STV090x_READ_DEMOD(state, CFR2) << 8;
derot = STV090x_READ_DEMOD(state, CFR2) << 16;
f_1 = STV090x_READ_DEMOD(state, CFR2);