diff options
Diffstat (limited to 'ports/rp2/mpnetworkport.c')
| -rw-r--r-- | ports/rp2/mpnetworkport.c | 39 |
1 files changed, 37 insertions, 2 deletions
diff --git a/ports/rp2/mpnetworkport.c b/ports/rp2/mpnetworkport.c index e1e1567828..fed34be380 100644 --- a/ports/rp2/mpnetworkport.c +++ b/ports/rp2/mpnetworkport.c @@ -31,6 +31,7 @@ #if MICROPY_PY_LWIP #include "shared/runtime/softtimer.h" +#include "lwip/netif.h" #include "lwip/timeouts.h" // Poll lwIP every 64ms by default @@ -39,6 +40,9 @@ // Soft timer for running lwIP in the background. static soft_timer_entry_t mp_network_soft_timer; +// Callback for change of netif state +NETIF_DECLARE_EXT_CALLBACK(netif_callback) + #if MICROPY_PY_NETWORK_CYW43 #include "lib/cyw43-driver/src/cyw43.h" #include "lib/cyw43-driver/src/cyw43_stats.h" @@ -137,17 +141,48 @@ static void mp_network_soft_timer_callback(soft_timer_entry_t *self) { #if MICROPY_PY_NETWORK_WIZNET5K wiznet5k_poll(); #endif + + // Only keep the timer running if any TCP sockets are active, or any netif is up + struct netif *netif; + extern void *tcp_active_pcbs; + bool keep_running = (tcp_active_pcbs != NULL); + if (!keep_running) { + NETIF_FOREACH(netif) { + if (netif->flags & NETIF_FLAG_LINK_UP) { + keep_running = true; + break; + } + } + } + + // Periodic timer will re-queue as soon as this handler exits, + // one shot timer will not + mp_network_soft_timer.mode = keep_running ? SOFT_TIMER_MODE_PERIODIC : SOFT_TIMER_MODE_ONE_SHOT; } +static void mp_network_netif_status_cb(struct netif *netif, netif_nsc_reason_t reason, const netif_ext_callback_args_t *args); + void mod_network_lwip_init(void) { soft_timer_static_init( &mp_network_soft_timer, - SOFT_TIMER_MODE_PERIODIC, + SOFT_TIMER_MODE_ONE_SHOT, LWIP_TICK_RATE_MS, mp_network_soft_timer_callback ); - soft_timer_reinsert(&mp_network_soft_timer, LWIP_TICK_RATE_MS); + if (netif_callback.callback_fn == NULL) { + netif_add_ext_callback(&netif_callback, mp_network_netif_status_cb); + } +} + +static void mp_network_netif_status_cb(struct netif *netif, netif_nsc_reason_t reason, const netif_ext_callback_args_t *args) { + // Start the network soft timer any time an interface comes up, unless + // it's already running + if (reason == LWIP_NSC_LINK_CHANGED && args->link_changed.state + && mp_network_soft_timer.mode == SOFT_TIMER_MODE_ONE_SHOT) { + mp_network_soft_timer.mode = SOFT_TIMER_MODE_PERIODIC; + soft_timer_reinsert(&mp_network_soft_timer, LWIP_TICK_RATE_MS); + } } #endif // MICROPY_PY_LWIP |