LLC_U_PF_BIT_MASK
pdu->ctrl_1 |= LLC_U_PF_BIT_MASK;
pdu->ctrl_1 |= LLC_U_PF_BIT_MASK;
pdu->ctrl_1 |= LLC_U_PF_BIT_MASK;
pdu->ctrl_1 |= LLC_U_PF_BIT_MASK;
#define LLC_U_PF_IS_1(pdu) ((pdu->ctrl_1 & LLC_U_PF_BIT_MASK) ? 1 : 0)
#define LLC_U_PF_IS_0(pdu) ((!(pdu->ctrl_1 & LLC_U_PF_BIT_MASK)) ? 1 : 0)
pdu->ctrl_1 |= ((p_bit & 1) << 4) & LLC_U_PF_BIT_MASK;
pdu->ctrl_1 |= ((f_bit & 1) << 4) & LLC_U_PF_BIT_MASK;
pdu->ctrl_1 |= ((f_bit & 1) << 4) & LLC_U_PF_BIT_MASK;
pdu->ctrl_1 |= ((f_bit & 1) << 4) & LLC_U_PF_BIT_MASK;
pf_bit = (pdu->ctrl_1 & LLC_U_PF_BIT_MASK) >> 4;
*pf_bit = (pdu->ctrl_1 & LLC_U_PF_BIT_MASK) >> 4;
pdu->ctrl_1 |= ((p_bit & 1) << 4) & LLC_U_PF_BIT_MASK;