Using nucleo-f746zg. Moved 3party libs to test/. Using headers from ST

2026-11-13 17:00:19 +00:00 · 2021-05-13 14:56:14 +01:00
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+/*
+ * FreeRTOS+TCP V2.3.2
+ * Copyright (C) 2020 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to
+ * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+ * the Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+ * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * http://aws.amazon.com/freertos
+ * http://www.FreeRTOS.org
+ */
+
+#ifndef FREERTOS_DHCP_H
+    #define FREERTOS_DHCP_H
+
+    #ifdef __cplusplus
+        extern "C" {
+    #endif
+
+/* Application level configuration options. */
+    #include "FreeRTOSIPConfig.h"
+    #include "IPTraceMacroDefaults.h"
+
+    #if ( ipconfigUSE_DHCP_HOOK != 0 )
+        /* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */
+        typedef enum eDHCP_PHASE
+        {
+            eDHCPPhasePreDiscover, /* Driver is about to send a DHCP discovery. */
+            eDHCPPhasePreRequest   /* Driver is about to request DHCP an IP address. */
+        } eDHCPCallbackPhase_t;
+
+/* Used in the DHCP callback if ipconfigUSE_DHCP_HOOK is set to 1. */
+        typedef enum eDHCP_ANSWERS
+        {
+            eDHCPContinue,      /* Continue the DHCP process */
+            eDHCPUseDefaults,   /* Stop DHCP and use the static defaults. */
+            eDHCPStopNoChanges, /* Stop DHCP and continue with current settings. */
+        } eDHCPCallbackAnswer_t;
+    #endif /* #if( ipconfigUSE_DHCP_HOOK != 0 ) */
+
+/* DHCP state machine states. */
+    typedef enum
+    {
+        eInitialWait = 0,          /**< Initial state: open a socket and wait a short time. */
+        eWaitingSendFirstDiscover, /**< Send a discover the first time it is called, and reset all timers. */
+        eWaitingOffer,             /**< Either resend the discover, or, if the offer is forthcoming, send a request. */
+        eWaitingAcknowledge,       /**< Either resend the request. */
+        eSendDHCPRequest,          /**< Sendto failed earlier, resend the request to lease the IP-address offered. */
+        #if ( ipconfigDHCP_FALL_BACK_AUTO_IP != 0 )
+            eGetLinkLayerAddress,  /* When DHCP didn't respond, try to obtain a LinkLayer address 168.254.x.x. */
+        #endif
+        eLeasedAddress,            /**< Resend the request at the appropriate time to renew the lease. */
+        eNotUsingLeasedAddress     /**< DHCP failed, and a default IP address is being used. */
+    } eDHCPState_t;
+
+/**
+ * Hold information in between steps in the DHCP state machine.
+ */
+    struct xDHCP_DATA
+    {
+        uint32_t ulTransactionId;     /**< The ID of the DHCP transaction */
+        uint32_t ulOfferedIPAddress;  /**< The IP address offered by the DHCP server */
+        uint32_t ulDHCPServerAddress; /**< The IP address of the DHCP server */
+        uint32_t ulLeaseTime;         /**< The time for which the current IP address is leased */
+        TickType_t xDHCPTxTime;       /**< The time at which a DHCP request was sent. */
+        TickType_t xDHCPTxPeriod;     /**< The maximum time that the client will wait for a reply. */
+        BaseType_t xUseBroadcast;     /**< Try both without and with the broadcast flag */
+        eDHCPState_t eDHCPState;      /**< Maintains the DHCP state machine state. */
+    };
+
+    typedef struct xDHCP_DATA DHCPData_t;
+
+/* Returns the current state of a DHCP process. */
+    eDHCPState_t eGetDHCPState( void );
+
+/*
+ * Send a message to the IP-task, which will call vDHCPProcess().
+ *
+ */
+    BaseType_t xSendDHCPEvent( void );
+
+/*
+ * NOT A PUBLIC API FUNCTION.
+ * It will be called when the DHCP timer expires, or when
+ * data has been received on the DHCP socket.
+ */
+    void vDHCPProcess( BaseType_t xReset,
+                       eDHCPState_t eExpectedState );
+
+/* Internal call: returns true if socket is the current DHCP socket */
+    BaseType_t xIsDHCPSocket( Socket_t xSocket );
+
+    #if ( ipconfigUSE_DHCP_HOOK != 0 )
+
+/* Prototype of the hook (or callback) function that must be provided by the
+ * application if ipconfigUSE_DHCP_HOOK is set to 1.  See the following URL for
+ * usage information:
+ * http://www.FreeRTOS.org/FreeRTOS-Plus/FreeRTOS_Plus_TCP/TCP_IP_Configuration.html#ipconfigUSE_DHCP_HOOK
+ */
+        eDHCPCallbackAnswer_t xApplicationDHCPHook( eDHCPCallbackPhase_t eDHCPPhase,
+                                                    uint32_t ulIPAddress );
+    #endif /* ( ipconfigUSE_DHCP_HOOK != 0 ) */
+
+    #ifdef __cplusplus
+        } /* extern "C" */
+    #endif
+
+#endif /* FREERTOS_DHCP_H */