TXPWRS_SHIFT
val |= (TXPWRS_0 << TXPWRS_SHIFT);
val |= (TXPWRS_0_5 << TXPWRS_SHIFT);
val |= (TXPWRS_1_2 << TXPWRS_SHIFT);
val |= (TXPWRS_1_9 << TXPWRS_SHIFT);
val |= (TXPWRS_2_8 << TXPWRS_SHIFT);
val |= (TXPWRS_3_7 << TXPWRS_SHIFT);
val |= (TXPWRS_4_9 << TXPWRS_SHIFT);
val |= (TXPWRS_6_3 << TXPWRS_SHIFT);