// This DSR handles the card interrupt
static void
cf_irq_dsr(cyg_vector_t vector, cyg_ucount32 count, cyg_addrword_t data)
{
struct cf_slot *slot = (struct cf_slot *)data;
#if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT)
cyg_bool was_ctrlc_int;
#endif
// Clear interrupt [edge indication]
cyg_drv_interrupt_acknowledge(SA1110_CF_IRQ);
#if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT)
was_ctrlc_int = HAL_CTRLC_CHECK(vector, data);
if (!was_ctrlc_int) // Fall through and run normal code
#endif
// Process interrupt
(slot->irq_handler.handler)(vector, count, slot->irq_handler.param);
// Allow interrupts to happen again
cyg_drv_interrupt_unmask(SA1110_CF_IRQ);
}
//
// Polls the lwIP stack.
//
void
cyg_lwip_simple_poll(void)
{
cyg_tick_count_t ticks;
cyg_uint32 delta;
int i;
#if LWIP_HAVE_SLIPIF && defined(CYGIMP_LWIP_SLIPIF_INSTANCE)
// Poll SLIP device
slipif_poll(&slipif);
#endif
#if PPP_SUPPORT
// Poll PPP device
#endif
#ifdef CYGPKG_LWIP_ETH
{
cyg_netdevtab_entry_t *t;
// Poll ethernet devices
for (t = &__NETDEVTAB__[0]; t != &__NETDEVTAB_END__; t++) {
struct eth_drv_sc *sc = (struct eth_drv_sc *)t->device_instance;
if (sc->state & ETH_DRV_NEEDS_DELIVERY) {
#if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT)
cyg_bool was_ctrlc_int;
#endif
sc->state &= ~ETH_DRV_NEEDS_DELIVERY;
#if defined(CYGDBG_HAL_DEBUG_GDB_CTRLC_SUPPORT)
was_ctrlc_int = HAL_CTRLC_CHECK(sc->funs->int_vector(sc),
(int) sc);
if (!was_ctrlc_int) // Fall through and run normal code
#endif
sc->funs->deliver(sc);
}
}
// Deliver received packets
while (recv_packet_count > 0) {
ethernet_input(recv_packet[recv_packet_read].p,
recv_packet[recv_packet_read].netif);
recv_packet_read = (recv_packet_read + 1) % MAX_RECV_PACKETS;
recv_packet_count--;
}
}
#endif
// Process timers
ticks = cyg_current_time();
delta = TICKS_TO_MS(ticks - last_ticks);
last_ticks = ticks;
// The following check 'delta > 0' rejects a potential wrap-around in the
// system ticks counter.
if (delta > 0) {
for (i = 0; i < NUM_LWIP_TIMERS; i++) {
lwip_timers[i].time += delta;
if (lwip_timers[i].time >= lwip_timers[i].interval) {
lwip_timers[i].timer_func();
lwip_timers[i].time -= lwip_timers[i].interval;
}
}
}
}