Helmut Deichmann / Mbed 2 deprecated Waterflow

Give water to plants if dry amd pla meanwhile music the music vou can define with note length bind and breake also select several instruments for the sound

Dependencies:   mbed

EthernetNetIf/LPC2368/lwip/include/lwip/dhcp.h@0:5150b09127e3, 2012-09-19 (annotated)

Committer:
helmut
Date:
Wed Sep 19 14:16:56 2012 +0000
Revision:
0:5150b09127e3
plays mostly music that you can do with notes length breakes and bind; Some already defined; Tool is to start a pump for water to give plant is too dry.; Meanwhie plays music the most part of all

Who changed what in which revision?

UserRevisionLine numberNew contents of line
helmut 0:5150b09127e3 1 /** @file
helmut 0:5150b09127e3 2 */
helmut 0:5150b09127e3 3
helmut 0:5150b09127e3 4 #ifndef __LWIP_DHCP_H__
helmut 0:5150b09127e3 5 #define __LWIP_DHCP_H__
helmut 0:5150b09127e3 6
helmut 0:5150b09127e3 7 #include "lwip/opt.h"
helmut 0:5150b09127e3 8
helmut 0:5150b09127e3 9 #if LWIP_DHCP /* don't build if not configured for use in lwipopts.h */
helmut 0:5150b09127e3 10
helmut 0:5150b09127e3 11 #include "lwip/netif.h"
helmut 0:5150b09127e3 12 #include "lwip/udp.h"
helmut 0:5150b09127e3 13
helmut 0:5150b09127e3 14 #ifdef __cplusplus
helmut 0:5150b09127e3 15 extern "C" {
helmut 0:5150b09127e3 16 #endif
helmut 0:5150b09127e3 17
helmut 0:5150b09127e3 18 /** period (in seconds) of the application calling dhcp_coarse_tmr() */
helmut 0:5150b09127e3 19 #define DHCP_COARSE_TIMER_SECS 60
helmut 0:5150b09127e3 20 /** period (in milliseconds) of the application calling dhcp_coarse_tmr() */
helmut 0:5150b09127e3 21 #define DHCP_COARSE_TIMER_MSECS (DHCP_COARSE_TIMER_SECS * 1000UL)
helmut 0:5150b09127e3 22 /** period (in milliseconds) of the application calling dhcp_fine_tmr() */
helmut 0:5150b09127e3 23 #define DHCP_FINE_TIMER_MSECS 500
helmut 0:5150b09127e3 24
helmut 0:5150b09127e3 25 #define DHCP_CHADDR_LEN 16U
helmut 0:5150b09127e3 26 #define DHCP_SNAME_LEN 64U
helmut 0:5150b09127e3 27 #define DHCP_FILE_LEN 128U
helmut 0:5150b09127e3 28
helmut 0:5150b09127e3 29 struct dhcp
helmut 0:5150b09127e3 30 {
helmut 0:5150b09127e3 31 /** transaction identifier of last sent request */
helmut 0:5150b09127e3 32 u32_t xid;
helmut 0:5150b09127e3 33 /** our connection to the DHCP server */
helmut 0:5150b09127e3 34 struct udp_pcb *pcb;
helmut 0:5150b09127e3 35 /** incoming msg */
helmut 0:5150b09127e3 36 struct dhcp_msg *msg_in;
helmut 0:5150b09127e3 37 /** current DHCP state machine state */
helmut 0:5150b09127e3 38 u8_t state;
helmut 0:5150b09127e3 39 /** retries of current request */
helmut 0:5150b09127e3 40 u8_t tries;
helmut 0:5150b09127e3 41 #if LWIP_DHCP_AUTOIP_COOP
helmut 0:5150b09127e3 42 u8_t autoip_coop_state;
helmut 0:5150b09127e3 43 #endif
helmut 0:5150b09127e3 44 u8_t subnet_mask_given;
helmut 0:5150b09127e3 45
helmut 0:5150b09127e3 46 struct pbuf *p_out; /* pbuf of outcoming msg */
helmut 0:5150b09127e3 47 struct dhcp_msg *msg_out; /* outgoing msg */
helmut 0:5150b09127e3 48 u16_t options_out_len; /* outgoing msg options length */
helmut 0:5150b09127e3 49 u16_t request_timeout; /* #ticks with period DHCP_FINE_TIMER_SECS for request timeout */
helmut 0:5150b09127e3 50 u16_t t1_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for renewal time */
helmut 0:5150b09127e3 51 u16_t t2_timeout; /* #ticks with period DHCP_COARSE_TIMER_SECS for rebind time */
helmut 0:5150b09127e3 52 ip_addr_t server_ip_addr; /* dhcp server address that offered this lease */
helmut 0:5150b09127e3 53 ip_addr_t offered_ip_addr;
helmut 0:5150b09127e3 54 ip_addr_t offered_sn_mask;
helmut 0:5150b09127e3 55 ip_addr_t offered_gw_addr;
helmut 0:5150b09127e3 56
helmut 0:5150b09127e3 57 u32_t offered_t0_lease; /* lease period (in seconds) */
helmut 0:5150b09127e3 58 u32_t offered_t1_renew; /* recommended renew time (usually 50% of lease period) */
helmut 0:5150b09127e3 59 u32_t offered_t2_rebind; /* recommended rebind time (usually 66% of lease period) */
helmut 0:5150b09127e3 60 /* @todo: LWIP_DHCP_BOOTP_FILE configuration option?
helmut 0:5150b09127e3 61 integrate with possible TFTP-client for booting? */
helmut 0:5150b09127e3 62 #if LWIP_DHCP_BOOTP_FILE
helmut 0:5150b09127e3 63 ip_addr_t offered_si_addr;
helmut 0:5150b09127e3 64 char boot_file_name[DHCP_FILE_LEN];
helmut 0:5150b09127e3 65 #endif /* LWIP_DHCP_BOOTPFILE */
helmut 0:5150b09127e3 66 };
helmut 0:5150b09127e3 67
helmut 0:5150b09127e3 68 /* MUST be compiled with "pack structs" or equivalent! */
helmut 0:5150b09127e3 69 #ifdef PACK_STRUCT_USE_INCLUDES
helmut 0:5150b09127e3 70 # include "arch/bpstruct.h"
helmut 0:5150b09127e3 71 #endif
helmut 0:5150b09127e3 72 PACK_STRUCT_BEGIN
helmut 0:5150b09127e3 73 /** minimum set of fields of any DHCP message */
helmut 0:5150b09127e3 74 struct dhcp_msg
helmut 0:5150b09127e3 75 {
helmut 0:5150b09127e3 76 PACK_STRUCT_FIELD(u8_t op);
helmut 0:5150b09127e3 77 PACK_STRUCT_FIELD(u8_t htype);
helmut 0:5150b09127e3 78 PACK_STRUCT_FIELD(u8_t hlen);
helmut 0:5150b09127e3 79 PACK_STRUCT_FIELD(u8_t hops);
helmut 0:5150b09127e3 80 PACK_STRUCT_FIELD(u32_t xid);
helmut 0:5150b09127e3 81 PACK_STRUCT_FIELD(u16_t secs);
helmut 0:5150b09127e3 82 PACK_STRUCT_FIELD(u16_t flags);
helmut 0:5150b09127e3 83 PACK_STRUCT_FIELD(ip_addr_p_t ciaddr);
helmut 0:5150b09127e3 84 PACK_STRUCT_FIELD(ip_addr_p_t yiaddr);
helmut 0:5150b09127e3 85 PACK_STRUCT_FIELD(ip_addr_p_t siaddr);
helmut 0:5150b09127e3 86 PACK_STRUCT_FIELD(ip_addr_p_t giaddr);
helmut 0:5150b09127e3 87 PACK_STRUCT_FIELD(u8_t chaddr[DHCP_CHADDR_LEN]);
helmut 0:5150b09127e3 88 PACK_STRUCT_FIELD(u8_t sname[DHCP_SNAME_LEN]);
helmut 0:5150b09127e3 89 PACK_STRUCT_FIELD(u8_t file[DHCP_FILE_LEN]);
helmut 0:5150b09127e3 90 PACK_STRUCT_FIELD(u32_t cookie);
helmut 0:5150b09127e3 91 #define DHCP_MIN_OPTIONS_LEN 68U
helmut 0:5150b09127e3 92 /** make sure user does not configure this too small */
helmut 0:5150b09127e3 93 #if ((defined(DHCP_OPTIONS_LEN)) && (DHCP_OPTIONS_LEN < DHCP_MIN_OPTIONS_LEN))
helmut 0:5150b09127e3 94 # undef DHCP_OPTIONS_LEN
helmut 0:5150b09127e3 95 #endif
helmut 0:5150b09127e3 96 /** allow this to be configured in lwipopts.h, but not too small */
helmut 0:5150b09127e3 97 #if (!defined(DHCP_OPTIONS_LEN))
helmut 0:5150b09127e3 98 /** set this to be sufficient for your options in outgoing DHCP msgs */
helmut 0:5150b09127e3 99 # define DHCP_OPTIONS_LEN DHCP_MIN_OPTIONS_LEN
helmut 0:5150b09127e3 100 #endif
helmut 0:5150b09127e3 101 PACK_STRUCT_FIELD(u8_t options[DHCP_OPTIONS_LEN]);
helmut 0:5150b09127e3 102 } PACK_STRUCT_STRUCT;
helmut 0:5150b09127e3 103 PACK_STRUCT_END
helmut 0:5150b09127e3 104 #ifdef PACK_STRUCT_USE_INCLUDES
helmut 0:5150b09127e3 105 # include "arch/epstruct.h"
helmut 0:5150b09127e3 106 #endif
helmut 0:5150b09127e3 107
helmut 0:5150b09127e3 108 void dhcp_set_struct(struct netif *netif, struct dhcp *dhcp);
helmut 0:5150b09127e3 109 /** start DHCP configuration */
helmut 0:5150b09127e3 110 err_t dhcp_start(struct netif *netif);
helmut 0:5150b09127e3 111 /** enforce early lease renewal (not needed normally)*/
helmut 0:5150b09127e3 112 err_t dhcp_renew(struct netif *netif);
helmut 0:5150b09127e3 113 /** release the DHCP lease, usually called before dhcp_stop()*/
helmut 0:5150b09127e3 114 err_t dhcp_release(struct netif *netif);
helmut 0:5150b09127e3 115 /** stop DHCP configuration */
helmut 0:5150b09127e3 116 void dhcp_stop(struct netif *netif);
helmut 0:5150b09127e3 117 /** inform server of our manual IP address */
helmut 0:5150b09127e3 118 void dhcp_inform(struct netif *netif);
helmut 0:5150b09127e3 119 /** Handle a possible change in the network configuration */
helmut 0:5150b09127e3 120 void dhcp_network_changed(struct netif *netif);
helmut 0:5150b09127e3 121
helmut 0:5150b09127e3 122 /** if enabled, check whether the offered IP address is not in use, using ARP */
helmut 0:5150b09127e3 123 #if DHCP_DOES_ARP_CHECK
helmut 0:5150b09127e3 124 void dhcp_arp_reply(struct netif *netif, ip_addr_t *addr);
helmut 0:5150b09127e3 125 #endif
helmut 0:5150b09127e3 126
helmut 0:5150b09127e3 127 /** to be called every minute */
helmut 0:5150b09127e3 128 void dhcp_coarse_tmr(void);
helmut 0:5150b09127e3 129 /** to be called every half second */
helmut 0:5150b09127e3 130 void dhcp_fine_tmr(void);
helmut 0:5150b09127e3 131
helmut 0:5150b09127e3 132 /** DHCP message item offsets and length */
helmut 0:5150b09127e3 133 #define DHCP_OP_OFS 0
helmut 0:5150b09127e3 134 #define DHCP_HTYPE_OFS 1
helmut 0:5150b09127e3 135 #define DHCP_HLEN_OFS 2
helmut 0:5150b09127e3 136 #define DHCP_HOPS_OFS 3
helmut 0:5150b09127e3 137 #define DHCP_XID_OFS 4
helmut 0:5150b09127e3 138 #define DHCP_SECS_OFS 8
helmut 0:5150b09127e3 139 #define DHCP_FLAGS_OFS 10
helmut 0:5150b09127e3 140 #define DHCP_CIADDR_OFS 12
helmut 0:5150b09127e3 141 #define DHCP_YIADDR_OFS 16
helmut 0:5150b09127e3 142 #define DHCP_SIADDR_OFS 20
helmut 0:5150b09127e3 143 #define DHCP_GIADDR_OFS 24
helmut 0:5150b09127e3 144 #define DHCP_CHADDR_OFS 28
helmut 0:5150b09127e3 145 #define DHCP_SNAME_OFS 44
helmut 0:5150b09127e3 146 #define DHCP_FILE_OFS 108
helmut 0:5150b09127e3 147 #define DHCP_MSG_LEN 236
helmut 0:5150b09127e3 148
helmut 0:5150b09127e3 149 #define DHCP_COOKIE_OFS DHCP_MSG_LEN
helmut 0:5150b09127e3 150 #define DHCP_OPTIONS_OFS (DHCP_MSG_LEN + 4)
helmut 0:5150b09127e3 151
helmut 0:5150b09127e3 152 #define DHCP_CLIENT_PORT 68
helmut 0:5150b09127e3 153 #define DHCP_SERVER_PORT 67
helmut 0:5150b09127e3 154
helmut 0:5150b09127e3 155 /** DHCP client states */
helmut 0:5150b09127e3 156 #define DHCP_OFF 0
helmut 0:5150b09127e3 157 #define DHCP_REQUESTING 1
helmut 0:5150b09127e3 158 #define DHCP_INIT 2
helmut 0:5150b09127e3 159 #define DHCP_REBOOTING 3
helmut 0:5150b09127e3 160 #define DHCP_REBINDING 4
helmut 0:5150b09127e3 161 #define DHCP_RENEWING 5
helmut 0:5150b09127e3 162 #define DHCP_SELECTING 6
helmut 0:5150b09127e3 163 #define DHCP_INFORMING 7
helmut 0:5150b09127e3 164 #define DHCP_CHECKING 8
helmut 0:5150b09127e3 165 #define DHCP_PERMANENT 9
helmut 0:5150b09127e3 166 #define DHCP_BOUND 10
helmut 0:5150b09127e3 167 /** not yet implemented #define DHCP_RELEASING 11 */
helmut 0:5150b09127e3 168 #define DHCP_BACKING_OFF 12
helmut 0:5150b09127e3 169
helmut 0:5150b09127e3 170 /** AUTOIP cooperatation flags */
helmut 0:5150b09127e3 171 #define DHCP_AUTOIP_COOP_STATE_OFF 0
helmut 0:5150b09127e3 172 #define DHCP_AUTOIP_COOP_STATE_ON 1
helmut 0:5150b09127e3 173
helmut 0:5150b09127e3 174 #define DHCP_BOOTREQUEST 1
helmut 0:5150b09127e3 175 #define DHCP_BOOTREPLY 2
helmut 0:5150b09127e3 176
helmut 0:5150b09127e3 177 /** DHCP message types */
helmut 0:5150b09127e3 178 #define DHCP_DISCOVER 1
helmut 0:5150b09127e3 179 #define DHCP_OFFER 2
helmut 0:5150b09127e3 180 #define DHCP_REQUEST 3
helmut 0:5150b09127e3 181 #define DHCP_DECLINE 4
helmut 0:5150b09127e3 182 #define DHCP_ACK 5
helmut 0:5150b09127e3 183 #define DHCP_NAK 6
helmut 0:5150b09127e3 184 #define DHCP_RELEASE 7
helmut 0:5150b09127e3 185 #define DHCP_INFORM 8
helmut 0:5150b09127e3 186
helmut 0:5150b09127e3 187 /** DHCP hardware type, currently only ethernet is supported */
helmut 0:5150b09127e3 188 #define DHCP_HTYPE_ETH 1
helmut 0:5150b09127e3 189
helmut 0:5150b09127e3 190 #define DHCP_MAGIC_COOKIE 0x63825363UL
helmut 0:5150b09127e3 191
helmut 0:5150b09127e3 192 /* This is a list of options for BOOTP and DHCP, see RFC 2132 for descriptions */
helmut 0:5150b09127e3 193
helmut 0:5150b09127e3 194 /** BootP options */
helmut 0:5150b09127e3 195 #define DHCP_OPTION_PAD 0
helmut 0:5150b09127e3 196 #define DHCP_OPTION_SUBNET_MASK 1 /* RFC 2132 3.3 */
helmut 0:5150b09127e3 197 #define DHCP_OPTION_ROUTER 3
helmut 0:5150b09127e3 198 #define DHCP_OPTION_DNS_SERVER 6
helmut 0:5150b09127e3 199 #define DHCP_OPTION_HOSTNAME 12
helmut 0:5150b09127e3 200 #define DHCP_OPTION_IP_TTL 23
helmut 0:5150b09127e3 201 #define DHCP_OPTION_MTU 26
helmut 0:5150b09127e3 202 #define DHCP_OPTION_BROADCAST 28
helmut 0:5150b09127e3 203 #define DHCP_OPTION_TCP_TTL 37
helmut 0:5150b09127e3 204 #define DHCP_OPTION_END 255
helmut 0:5150b09127e3 205
helmut 0:5150b09127e3 206 /** DHCP options */
helmut 0:5150b09127e3 207 #define DHCP_OPTION_REQUESTED_IP 50 /* RFC 2132 9.1, requested IP address */
helmut 0:5150b09127e3 208 #define DHCP_OPTION_LEASE_TIME 51 /* RFC 2132 9.2, time in seconds, in 4 bytes */
helmut 0:5150b09127e3 209 #define DHCP_OPTION_OVERLOAD 52 /* RFC2132 9.3, use file and/or sname field for options */
helmut 0:5150b09127e3 210
helmut 0:5150b09127e3 211 #define DHCP_OPTION_MESSAGE_TYPE 53 /* RFC 2132 9.6, important for DHCP */
helmut 0:5150b09127e3 212 #define DHCP_OPTION_MESSAGE_TYPE_LEN 1
helmut 0:5150b09127e3 213
helmut 0:5150b09127e3 214 #define DHCP_OPTION_SERVER_ID 54 /* RFC 2132 9.7, server IP address */
helmut 0:5150b09127e3 215 #define DHCP_OPTION_PARAMETER_REQUEST_LIST 55 /* RFC 2132 9.8, requested option types */
helmut 0:5150b09127e3 216
helmut 0:5150b09127e3 217 #define DHCP_OPTION_MAX_MSG_SIZE 57 /* RFC 2132 9.10, message size accepted >= 576 */
helmut 0:5150b09127e3 218 #define DHCP_OPTION_MAX_MSG_SIZE_LEN 2
helmut 0:5150b09127e3 219
helmut 0:5150b09127e3 220 #define DHCP_OPTION_T1 58 /* T1 renewal time */
helmut 0:5150b09127e3 221 #define DHCP_OPTION_T2 59 /* T2 rebinding time */
helmut 0:5150b09127e3 222 #define DHCP_OPTION_US 60
helmut 0:5150b09127e3 223 #define DHCP_OPTION_CLIENT_ID 61
helmut 0:5150b09127e3 224 #define DHCP_OPTION_TFTP_SERVERNAME 66
helmut 0:5150b09127e3 225 #define DHCP_OPTION_BOOTFILE 67
helmut 0:5150b09127e3 226
helmut 0:5150b09127e3 227 /** possible combinations of overloading the file and sname fields with options */
helmut 0:5150b09127e3 228 #define DHCP_OVERLOAD_NONE 0
helmut 0:5150b09127e3 229 #define DHCP_OVERLOAD_FILE 1
helmut 0:5150b09127e3 230 #define DHCP_OVERLOAD_SNAME 2
helmut 0:5150b09127e3 231 #define DHCP_OVERLOAD_SNAME_FILE 3
helmut 0:5150b09127e3 232
helmut 0:5150b09127e3 233 #ifdef __cplusplus
helmut 0:5150b09127e3 234 }
helmut 0:5150b09127e3 235 #endif
helmut 0:5150b09127e3 236
helmut 0:5150b09127e3 237 #endif /* LWIP_DHCP */
helmut 0:5150b09127e3 238
helmut 0:5150b09127e3 239 #endif /*__LWIP_DHCP_H__*/