STAT_RESP_READY
if (status & STAT_RESP_READY)
pio->enabled_irqs &= ~STAT_RESP_READY;
(pio_reg_read(INTR_STATUS) & STAT_RESP_READY)) {
pio->enabled_irqs |= STAT_RESP_READY;
if (pio_reg_read(INTR_STATUS) & STAT_RESP_READY) {