FE_BMPR19
bus_space_read_1(bst, bsh, FE_BMPR19));
n = (bus_space_read_1(iot, ioh, FE_BMPR19) & FE_B19_ADDR)
if (eeprom[FE_EEPROM_CONF] != bus_space_read_1(iot, ioh, FE_BMPR19)) {
n = (bus_space_read_1(iot, ioh, FE_BMPR19) & FE_B19_IRQ)