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120 lines
4.9 KiB
C
120 lines
4.9 KiB
C
/*
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* FreeRTOS+TCP Labs Build 160919 (C) 2016 Real Time Engineers ltd.
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* Authors include Hein Tibosch and Richard Barry
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*
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*******************************************************************************
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***** NOTE ******* NOTE ******* NOTE ******* NOTE ******* NOTE ******* NOTE ***
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*** ***
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*** ***
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*** FREERTOS+TCP IS STILL IN THE LAB (mainly because the FTP and HTTP ***
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*** demos have a dependency on FreeRTOS+FAT, which is only in the Labs ***
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*** download): ***
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*** ***
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*** FreeRTOS+TCP is functional and has been used in commercial products ***
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*** for some time. Be aware however that we are still refining its ***
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*** design, the source code does not yet quite conform to the strict ***
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*** coding and style standards mandated by Real Time Engineers ltd., and ***
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*** the documentation and testing is not necessarily complete. ***
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*** ***
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*** PLEASE REPORT EXPERIENCES USING THE SUPPORT RESOURCES FOUND ON THE ***
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*** URL: http://www.FreeRTOS.org/contact Active early adopters may, at ***
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*** the sole discretion of Real Time Engineers Ltd., be offered versions ***
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*** under a license other than that described below. ***
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*** ***
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*** ***
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***** NOTE ******* NOTE ******* NOTE ******* NOTE ******* NOTE ******* NOTE ***
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*******************************************************************************
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*
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* FreeRTOS+TCP can be used under two different free open source licenses. The
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* license that applies is dependent on the processor on which FreeRTOS+TCP is
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* executed, as follows:
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*
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* If FreeRTOS+TCP is executed on one of the processors listed under the Special
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* License Arrangements heading of the FreeRTOS+TCP license information web
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* page, then it can be used under the terms of the FreeRTOS Open Source
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* License. If FreeRTOS+TCP is used on any other processor, then it can be used
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* under the terms of the GNU General Public License V2. Links to the relevant
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* licenses follow:
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*
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* The FreeRTOS+TCP License Information Page: http://www.FreeRTOS.org/tcp_license
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* The FreeRTOS Open Source License: http://www.FreeRTOS.org/license
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* The GNU General Public License Version 2: http://www.FreeRTOS.org/gpl-2.0.txt
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*
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* FreeRTOS+TCP is distributed in the hope that it will be useful. You cannot
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* use FreeRTOS+TCP unless you agree that you use the software 'as is'.
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* FreeRTOS+TCP is provided WITHOUT ANY WARRANTY; without even the implied
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* warranties of NON-INFRINGEMENT, MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. Real Time Engineers Ltd. disclaims all conditions and terms, be they
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* implied, expressed, or statutory.
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*
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* 1 tab == 4 spaces!
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*
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* http://www.FreeRTOS.org
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* http://www.FreeRTOS.org/plus
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* http://www.FreeRTOS.org/labs
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*
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*/
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#ifndef FREERTOS_DHCP_H
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#define FREERTOS_DHCP_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Application level configuration options. */
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#include "FreeRTOSIPConfig.h"
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#include "IPTraceMacroDefaults.h"
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/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */
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typedef enum eDHCP_PHASE
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{
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eDHCPPhasePreDiscover, /* Driver is about to send a DHCP discovery. */
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eDHCPPhasePreRequest, /* Driver is about to request DHCP an IP address. */
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#if( ipconfigDHCP_SEND_DISCOVER_AFTER_AUTO_IP != 0 )
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eDHCPPhasePreLLA, /* Driver is about to try get an LLA address */
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#endif /* ipconfigDHCP_SEND_DISCOVER_AFTER_AUTO_IP */
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} eDHCPCallbackPhase_t;
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/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */
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typedef enum eDHCP_ANSWERS
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{
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eDHCPContinue, /* Continue the DHCP process */
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eDHCPUseDefaults, /* Stop DHCP and use the static defaults. */
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eDHCPStopNoChanges, /* Stop DHCP and continue with current settings. */
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} eDHCPCallbackAnswer_t;
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/*
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* NOT A PUBLIC API FUNCTION.
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*/
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void vDHCPProcess( BaseType_t xReset );
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/* Internal call: returns true if socket is the current DHCP socket */
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BaseType_t xIsDHCPSocket( Socket_t xSocket );
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/* Prototype of the hook (or callback) function that must be provided by the
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application if ipconfigUSE_DHCP_HOOK is set to 1. See the following URL for
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usage information:
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http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK
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*/
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eDHCPCallbackAnswer_t xApplicationDHCPHook( eDHCPCallbackPhase_t eDHCPPhase, uint32_t ulIPAddress );
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* FREERTOS_DHCP_H */
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