CD1400_SRER_TXRDY
& ~CD1400_SRER_TXRDY);
| CD1400_SRER_TXRDY);
CD1400_WRITE_REG(cd, CD1400_SRER, CD1400_SRER_TXRDY);
SET(srer, CD1400_SRER_TXRDY);
CLR(srer, CD1400_SRER_TXRDY);