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81 lines
2.4 KiB
C
81 lines
2.4 KiB
C
/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2024-2025 OpenMV LLC.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/mphal.h"
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#include "py/obj.h"
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#if MICROPY_PY_LWIP
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#include "shared/runtime/softtimer.h"
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#include "lwip/timeouts.h"
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#if MICROPY_PY_NETWORK_CYW43
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#include "lib/cyw43-driver/src/cyw43.h"
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#endif
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// Poll lwIP every 64ms by default
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#define LWIP_TICK_RATE_MS 64
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// Soft timer for running lwIP in the background.
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static soft_timer_entry_t mp_network_soft_timer;
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u32_t sys_now(void) {
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return mp_hal_ticks_ms();
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}
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// This is called by soft_timer and executes at PendSV level.
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static void mp_network_soft_timer_callback(soft_timer_entry_t *self) {
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// Run the lwIP internal updates.
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sys_check_timeouts();
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#if LWIP_NETIF_LOOPBACK
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netif_poll_all();
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#endif
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#if MICROPY_PY_NETWORK_CYW43
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if (cyw43_poll) {
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if (cyw43_sleep != 0) {
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if (--cyw43_sleep == 0) {
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cyw43_poll();
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}
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}
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}
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#endif
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}
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void mod_network_lwip_init(void) {
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soft_timer_static_init(
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&mp_network_soft_timer,
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SOFT_TIMER_MODE_PERIODIC,
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LWIP_TICK_RATE_MS,
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mp_network_soft_timer_callback
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);
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soft_timer_reinsert(&mp_network_soft_timer, LWIP_TICK_RATE_MS);
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}
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#endif // MICROPY_PY_LWIP
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