a540ca905a
* Extract all poll/threadsafe_background/freertos from cyw43_arch into new abstraction async_context: * provides support for asynchronous events (timers/IRQ notifications) to be handled in a safe context. * now guarantees all callbacks happen on a single core. * is reusable by multiple different libraries (stdio_usb can now be ported to this but hasn't been yet). * supports multiple independent instances (independent instances will not block each other). * cyw43_arch libraries cleaned up to use the new abstraction. Note each distinct cyw43_arch type is now a very thin layer that creates the right type of context and adds cyw43_driver and lwip support as appropriate. Additionally, * Add new pico_time and hardware_alarm APIs * Add from_us_since_boot() * Add alarm_pool_create_with_unused_hardware_alarm() * Add alarm_pool_add_alarm_at_force_in_context() * Add hardware_alarm_claim_unused() * Add hardware_alarm_force_irq() * Added panic_compact() and some minor comment cleanup; moved FIRST_USER_IRQ define to platform_defs.h
100 lines
3.1 KiB
C
100 lines
3.1 KiB
C
/*
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* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __CC_H__
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#define __CC_H__
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#include <sys/time.h>
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#ifndef PICO_LWIP_CUSTOM_LOCK_TCPIP_CORE
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#define PICO_LWIP_CUSTOM_LOCK_TCPIP_CORE 1
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#endif
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#if NO_SYS
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// todo really we should just not allow SYS_LIGHTWEIGHT_PROT for nosys mode (it doesn't do anything anyway)
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typedef int sys_prot_t;
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#elif PICO_LWIP_CUSTOM_LOCK_TCPIP_CORE
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void pico_lwip_custom_lock_tcpip_core(void);
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void pico_lwip_custom_unlock_tcpip_core(void);
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#define LOCK_TCPIP_CORE() pico_lwip_custom_lock_tcpip_core()
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#define UNLOCK_TCPIP_CORE() pico_lwip_custom_unlock_tcpip_core()
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#endif
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/* define compiler specific symbols */
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#if defined (__ICCARM__)
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#define PACK_STRUCT_BEGIN
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#define PACK_STRUCT_STRUCT
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#define PACK_STRUCT_END
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#define PACK_STRUCT_FIELD(x) x
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#define PACK_STRUCT_USE_INCLUDES
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#elif defined (__CC_ARM)
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#define PACK_STRUCT_BEGIN __packed
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#define PACK_STRUCT_STRUCT
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#define PACK_STRUCT_END
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#define PACK_STRUCT_FIELD(x) x
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#elif defined (__GNUC__)
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#define PACK_STRUCT_BEGIN
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#define PACK_STRUCT_STRUCT __attribute__ ((__packed__))
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#define PACK_STRUCT_END
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#define PACK_STRUCT_FIELD(x) x
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#elif defined (__TASKING__)
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#define PACK_STRUCT_BEGIN
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#define PACK_STRUCT_STRUCT
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#define PACK_STRUCT_END
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#define PACK_STRUCT_FIELD(x) x
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#endif
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#ifndef LWIP_PLATFORM_ASSERT
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#include "pico.h"
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#define LWIP_PLATFORM_ASSERT(x) panic(x)
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#endif
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#ifndef LWIP_RAND
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#ifdef __cplusplus
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extern "C" {
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#endif
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unsigned int pico_lwip_rand(void);
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#ifdef __cplusplus
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}
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#endif
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// Use ROSC based random number generation, more for the fact that rand() may not be seeded, than anything else
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#define LWIP_RAND pico_lwip_rand
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#endif
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#endif /* __CC_H__ */
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