Pehr Hovey / Mbed 2 deprecated UDPtest

Some quick code to use UDP-only (no TCP) with mBed. Echos received packets and sends packets when a button is pressed

Dependencies:   mbed

Core/lwIP/include/lwip/snmp_asn1.h@0:a548a085de55, 2010-03-14 (annotated)

Committer:
pehrhovey
Date:
Sun Mar 14 00:54:12 2010 +0000
Revision:
0:a548a085de55

        

        
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/**





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 * @file





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 * Abstract Syntax Notation One (ISO 8824, 8825) codec.





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 */





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/*





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 * Copyright (c) 2006 Axon Digital Design B.V., The Netherlands.





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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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 * Author: Christiaan Simons <christiaan.simons@axon.tv>





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 */





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#ifndef __LWIP_SNMP_ASN1_H__





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#define __LWIP_SNMP_ASN1_H__





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#include "lwip/opt.h"





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#include "lwip/err.h"





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#include "lwip/pbuf.h"





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#include "lwip/snmp.h"





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#if LWIP_SNMP





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#ifdef __cplusplus





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extern "C" {





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#endif





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#define SNMP_ASN1_UNIV   (!0x80 | !0x40)





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#define SNMP_ASN1_APPLIC (!0x80 |  0x40)





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#define SNMP_ASN1_CONTXT ( 0x80 | !0x40)





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#define SNMP_ASN1_CONSTR (0x20)





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#define SNMP_ASN1_PRIMIT (!0x20)





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/* universal tags */





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#define SNMP_ASN1_INTEG  2





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#define SNMP_ASN1_OC_STR 4





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#define SNMP_ASN1_NUL    5





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#define SNMP_ASN1_OBJ_ID 6





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#define SNMP_ASN1_SEQ    16





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/* application specific (SNMP) tags */





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#define SNMP_ASN1_IPADDR 0    /* octet string size(4) */





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#define SNMP_ASN1_COUNTER 1   /* u32_t */





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#define SNMP_ASN1_GAUGE 2     /* u32_t */





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#define SNMP_ASN1_TIMETICKS 3 /* u32_t */





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#define SNMP_ASN1_OPAQUE 4    /* octet string */





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/* context specific (SNMP) tags */





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#define SNMP_ASN1_PDU_GET_REQ 0





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#define SNMP_ASN1_PDU_GET_NEXT_REQ 1





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#define SNMP_ASN1_PDU_GET_RESP 2





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#define SNMP_ASN1_PDU_SET_REQ 3





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#define SNMP_ASN1_PDU_TRAP 4





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err_t snmp_asn1_dec_type(struct pbuf *p, u16_t ofs, u8_t *type);





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err_t snmp_asn1_dec_length(struct pbuf *p, u16_t ofs, u8_t *octets_used, u16_t *length);





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err_t snmp_asn1_dec_u32t(struct pbuf *p, u16_t ofs, u16_t len, u32_t *value);





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err_t snmp_asn1_dec_s32t(struct pbuf *p, u16_t ofs, u16_t len, s32_t *value);





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err_t snmp_asn1_dec_oid(struct pbuf *p, u16_t ofs, u16_t len, struct snmp_obj_id *oid);





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err_t snmp_asn1_dec_raw(struct pbuf *p, u16_t ofs, u16_t len, u16_t raw_len, u8_t *raw);





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void snmp_asn1_enc_length_cnt(u16_t length, u8_t *octets_needed);





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void snmp_asn1_enc_u32t_cnt(u32_t value, u16_t *octets_needed);





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void snmp_asn1_enc_s32t_cnt(s32_t value, u16_t *octets_needed);





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void snmp_asn1_enc_oid_cnt(u8_t ident_len, s32_t *ident, u16_t *octets_needed);





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err_t snmp_asn1_enc_type(struct pbuf *p, u16_t ofs, u8_t type);





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err_t snmp_asn1_enc_length(struct pbuf *p, u16_t ofs, u16_t length);





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err_t snmp_asn1_enc_u32t(struct pbuf *p, u16_t ofs, u8_t octets_needed, u32_t value);





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err_t snmp_asn1_enc_s32t(struct pbuf *p, u16_t ofs, u8_t octets_needed, s32_t value);





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err_t snmp_asn1_enc_oid(struct pbuf *p, u16_t ofs, u8_t ident_len, s32_t *ident);





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err_t snmp_asn1_enc_raw(struct pbuf *p, u16_t ofs, u8_t raw_len, u8_t *raw);





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#ifdef __cplusplus





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}





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#endif





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#endif /* LWIP_SNMP */





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#endif /* __LWIP_SNMP_ASN1_H__ */