1.3.5
00001 00006 /* 00007 * The contents of this file are subject to the Mozilla Public License 00008 * Version 1.0 (the "License"); you may not use this file except in 00009 * compliance with the License. You may obtain a copy of the License 00010 * at http://www.mozilla.org/MPL/ 00011 * 00012 * Software distributed under the License is distributed on an "AS IS" 00013 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See 00014 * the License for the specific language governing rights and 00015 * limitations under the License. 00016 * 00017 * The Original Code is legOS code, released October 17, 1999. 00018 * 00019 * The Initial Developer of the Original Code is Markus L. Noga. 00020 * Portions created by Markus L. Noga are Copyright (C) 1999 00021 * Markus L. Noga. All Rights Reserved. 00022 * 00023 * Contributor(s): Markus L. Noga <markus@noga.de> 00024 */ 00025 00026 #ifndef __sys_lnp_h__ 00027 #define __sys_lnp_h__ 00028 00029 #ifdef __cplusplus 00030 extern "C" { 00031 #endif 00032 00033 #include "../lnp.h" 00034 00035 #ifdef CONF_LNP 00036 00038 // 00039 // Definitions 00040 // 00042 00043 #define LNP_HOSTMASK CONF_LNP_HOSTMASK 00044 00045 00046 #define LNP_PORTMASK (0x00ff & ~CONF_LNP_HOSTMASK) 00047 00048 #if defined(CONF_RCX_PROTOCOL) || defined(CONF_RCX_MESSAGE) 00049 00050 #define LNP_RCX_HEADER_LENGTH (3-1) 00051 00053 #define LNP_RCX_REMOTE_OP_LENGTH (5-3) 00054 00056 #define LNP_RCX_MSG_OP_LENGTH (5-3) 00057 #endif 00058 00060 typedef enum { 00061 LNPwaitHeader, 00062 LNPwaitLength, 00063 LNPwaitData, 00064 LNPwaitCRC, 00065 00066 #if defined(CONF_RCX_PROTOCOL) || defined(CONF_RCX_MESSAGE) 00067 00068 LNPwaitRMH1, // note that first byte is consumed by LNPwaitHeader 00069 LNPwaitRMH2, // inverted header 00070 LNPwaitRMH3, // actually, RCX opcode dispatch 00071 LNPwaitRMH4, // remote opcode inverted 00072 #endif 00073 00074 00075 #ifdef CONF_RCX_PROTOCOL 00076 00077 LNPwaitRB0, // high-byte 00078 LNPwaitRB0I, 00079 LNPwaitRB1, // low-byte 00080 LNPwaitRB1I, 00081 LNPwaitRC, // RCX checksum 00082 LNPwaitRCI, 00083 #endif 00084 00085 #ifdef CONF_RCX_MESSAGE 00086 00087 LNPwaitMH3, // RCX message OP 00088 LNPwaitMH4, 00089 LNPwaitMN, // message number 00090 LNPwaitMNC, 00091 LNPwaitMC, // RCX checksum 00092 LNPwaitMCC, 00093 #endif 00094 } lnp_integrity_state_t; 00095 00096 00098 // 00099 // Variables 00100 // 00102 00104 extern volatile unsigned short lnp_timeout_counter; 00105 00107 extern unsigned short lnp_timeout; 00108 00110 extern lnp_integrity_state_t lnp_integrity_state; 00111 00112 00114 // 00115 // Functions 00116 // 00118 00120 extern unsigned char lnp_checksum_copy( unsigned char *dest, 00121 const unsigned char *data, 00122 unsigned length ); 00123 00126 00128 extern void lnp_integrity_byte(unsigned char b); 00129 00131 extern void lnp_integrity_reset(void) 00132 #ifdef CONF_RCX_COMPILER 00133 __attribute__ ((rcx_interrupt)) 00134 #endif 00135 ; 00136 00138 00140 extern inline int lnp_integrity_active(void) { 00141 return lnp_integrity_state!=LNPwaitHeader; 00142 } 00143 00145 extern void lnp_timeout_reset(void) 00146 #ifdef CONF_RCX_COMPILER 00147 __attribute__ ((rcx_interrupt)) 00148 #endif 00149 ; 00150 00153 00155 extern inline void lnp_timeout_set(unsigned short timeout) { 00156 lnp_timeout_counter=lnp_timeout=timeout; 00157 } 00158 00160 00163 extern void lnp_init(void); 00164 00165 #endif // CONF_LNP 00166 00167 #ifdef __cplusplus 00168 } 00169 #endif 00170 00171 #endif // __sys_lnp_h__ 00172
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brickOS is released under the
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Original code copyright 1998-2002 by the authors. |
1.3.5