| 1 | /* |
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| 2 | |
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| 3 | @file socket.c |
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| 4 | @brief setting chip register for socket |
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| 5 | |
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| 6 | Original Author: |
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| 7 | |
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| 8 | WIZnet Inc. |
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| 9 | |
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| 10 | */ |
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| 11 | #include <avr/io.h> |
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| 12 | #include <avr/interrupt.h> |
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| 13 | |
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| 14 | #include "types.h" |
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| 15 | |
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| 16 | #ifdef __DEF_IINCHIP_DBG__ |
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| 17 | #include <stdio.h> |
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| 18 | #endif |
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| 19 | |
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| 20 | |
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| 21 | #include "w5100.h" |
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| 22 | #include "socket.h" |
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| 23 | |
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| 24 | static uint16 local_port; |
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| 25 | |
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| 26 | |
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| 27 | /** |
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| 28 | @brief This Socket function initialize the channel in perticular mode, and set the port and wait for W5100 done it. |
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| 29 | @return 1 for sucess else 0. |
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| 30 | */ |
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| 31 | uint8 socket( |
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| 32 | SOCKET s, /**< for socket number */ |
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| 33 | uint8 protocol, /**< for socket protocol */ |
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| 34 | uint16 port, /**< the source port for the socket */ |
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| 35 | uint8 flag /**< the option for the socket */ |
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| 36 | ) |
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| 37 | { |
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| 38 | uint8 ret; |
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| 39 | #ifdef __DEF_IINCHIP_DBG__ |
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| 40 | printf("socket()\r\n"); |
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| 41 | #endif |
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| 42 | if ((protocol == Sn_MR_TCP) || (protocol == Sn_MR_UDP) || (protocol == Sn_MR_IPRAW) || (protocol == Sn_MR_MACRAW) || (protocol == Sn_MR_PPPOE)) |
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| 43 | { |
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| 44 | close(s); |
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| 45 | IINCHIP_WRITE(Sn_MR(s),protocol | flag); |
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| 46 | if (port != 0) { |
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| 47 | IINCHIP_WRITE(Sn_PORT0(s),(uint8)((port & 0xff00) >> 8)); |
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| 48 | IINCHIP_WRITE((Sn_PORT0(s) + 1),(uint8)(port & 0x00ff)); |
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| 49 | } else { |
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| 50 | local_port++; // if don't set the source port, set local_port number. |
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| 51 | IINCHIP_WRITE(Sn_PORT0(s),(uint8)((local_port & 0xff00) >> 8)); |
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| 52 | IINCHIP_WRITE((Sn_PORT0(s) + 1),(uint8)(local_port & 0x00ff)); |
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| 53 | } |
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| 54 | IINCHIP_WRITE(Sn_CR(s),Sn_CR_OPEN); // run sockinit Sn_CR |
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| 55 | ret = 1; |
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| 56 | } |
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| 57 | else |
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| 58 | { |
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| 59 | ret = 0; |
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| 60 | } |
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| 61 | #ifdef __DEF_IINCHIP_DBG__ |
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| 62 | printf("Sn_SR = %.2x , Protocol = %.2x\r\n", IINCHIP_READ(Sn_SR(s)), IINCHIP_READ(Sn_MR(s))); |
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| 63 | #endif |
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| 64 | return ret; |
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| 65 | } |
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| 66 | |
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| 67 | |
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| 68 | /** |
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| 69 | @brief This function close the socket and parameter is "s" which represent the socket number |
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| 70 | */ |
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| 71 | void close(SOCKET s) |
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| 72 | { |
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| 73 | #ifdef __DEF_IINCHIP_DBG__ |
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| 74 | printf("close()\r\n"); |
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| 75 | #endif |
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| 76 | IINCHIP_WRITE(Sn_CR(s),Sn_CR_CLOSE); |
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| 77 | } |
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| 78 | |
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| 79 | |
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| 80 | /** |
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| 81 | @brief This function established the connection for the channel in passive (server) mode. This function waits for the request from the peer. |
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| 82 | @return 1 for success else 0. |
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| 83 | */ |
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| 84 | uint8 listen( |
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| 85 | SOCKET s /**< the socket number */ |
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| 86 | ) |
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| 87 | { |
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| 88 | uint8 ret; |
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| 89 | #ifdef __DEF_IINCHIP_DBG__ |
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| 90 | printf("listen()\r\n"); |
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| 91 | #endif |
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| 92 | if (IINCHIP_READ(Sn_SR(s)) == SOCK_INIT) |
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| 93 | { |
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| 94 | IINCHIP_WRITE(Sn_CR(s),Sn_CR_LISTEN); |
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| 95 | ret = 1; |
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| 96 | } |
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| 97 | else |
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| 98 | { |
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| 99 | ret = 0; |
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| 100 | #ifdef __DEF_IINCHIP_DBG__ |
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| 101 | printf("Fail[invalid ip,port]\r\n"); |
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| 102 | #endif |
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| 103 | } |
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| 104 | return ret; |
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| 105 | } |
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| 106 | |
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| 107 | |
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| 108 | /** |
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| 109 | @brief This function established the connection for the channel in Active (client) mode. |
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| 110 | This function waits for the untill the connection is established. |
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| 111 | |
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| 112 | @return 1 for success else 0. |
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| 113 | */ |
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| 114 | uint8 connect(SOCKET s, uint8 * addr, uint16 port) |
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| 115 | { |
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| 116 | uint8 ret; |
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| 117 | #ifdef __DEF_IINCHIP_DBG__ |
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| 118 | printf("connect()\r\n"); |
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| 119 | #endif |
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| 120 | if |
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| 121 | ( |
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| 122 | ((addr[0] == 0xFF) && (addr[1] == 0xFF) && (addr[2] == 0xFF) && (addr[3] == 0xFF)) || |
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| 123 | ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) || |
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| 124 | (port == 0x00) |
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| 125 | ) |
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| 126 | { |
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| 127 | ret = 0; |
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| 128 | #ifdef __DEF_IINCHIP_DBG__ |
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| 129 | printf("Fail[invalid ip,port]\r\n"); |
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| 130 | #endif |
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| 131 | } |
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| 132 | else |
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| 133 | { |
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| 134 | |
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| 135 | ret = 1; |
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| 136 | // set destination IP |
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| 137 | IINCHIP_WRITE(Sn_DIPR0(s),addr[0]); |
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| 138 | IINCHIP_WRITE((Sn_DIPR0(s) + 1),addr[1]); |
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| 139 | IINCHIP_WRITE((Sn_DIPR0(s) + 2),addr[2]); |
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| 140 | IINCHIP_WRITE((Sn_DIPR0(s) + 3),addr[3]); |
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| 141 | IINCHIP_WRITE(Sn_DPORT0(s),(uint8)((port & 0xff00) >> 8)); |
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| 142 | IINCHIP_WRITE((Sn_DPORT0(s) + 1),(uint8)(port & 0x00ff)); |
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| 143 | IINCHIP_WRITE(Sn_CR(s),Sn_CR_CONNECT); |
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| 144 | // wait for completion |
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| 145 | while (IINCHIP_READ(Sn_CR(s))) |
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| 146 | { |
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| 147 | if (IINCHIP_READ(Sn_SR(s)) == SOCK_CLOSED) |
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| 148 | { |
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| 149 | #ifdef __DEF_IINCHIP_DBG__ |
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| 150 | printf("SOCK_CLOSED.\r\n"); |
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| 151 | #endif |
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| 152 | ret = 0; break; |
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| 153 | } |
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| 154 | } |
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| 155 | } |
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| 156 | |
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| 157 | return ret; |
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| 158 | } |
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| 159 | |
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| 160 | |
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| 161 | |
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| 162 | /** |
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| 163 | @brief This function used for disconnect the socket and parameter is "s" which represent the socket number |
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| 164 | @return 1 for success else 0. |
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| 165 | */ |
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| 166 | void disconnect(SOCKET s) |
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| 167 | { |
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| 168 | #ifdef __DEF_IINCHIP_DBG__ |
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| 169 | printf("disconnect()\r\n"); |
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| 170 | #endif |
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| 171 | IINCHIP_WRITE(Sn_CR(s),Sn_CR_DISCON); |
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| 172 | } |
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| 173 | |
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| 174 | |
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| 175 | /** |
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| 176 | @brief This function used to send the data in TCP mode |
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| 177 | @return 1 for success else 0. |
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| 178 | */ |
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| 179 | uint16 send( |
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| 180 | SOCKET s, /**< the socket index */ |
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| 181 | const uint8 * buf, /**< a pointer to data */ |
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| 182 | uint16 len /**< the data size to be send */ |
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| 183 | ) |
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| 184 | { |
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| 185 | uint8 status=0; |
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| 186 | uint16 ret=0; |
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| 187 | uint16 freesize=0; |
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| 188 | #ifdef __DEF_IINCHIP_DBG__ |
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| 189 | printf("send()\r\n"); |
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| 190 | #endif |
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| 191 | |
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| 192 | if (len > getIINCHIP_TxMAX(s)) ret = getIINCHIP_TxMAX(s); // check size not to exceed MAX size. |
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| 193 | else ret = len; |
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| 194 | |
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| 195 | // if freebuf is available, start. |
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| 196 | do |
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| 197 | { |
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| 198 | freesize = getSn_TX_FSR(s); |
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| 199 | status = IINCHIP_READ(Sn_SR(s)); |
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| 200 | if ((status != SOCK_ESTABLISHED) && (status != SOCK_CLOSE_WAIT)) |
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| 201 | { |
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| 202 | ret = 0; |
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| 203 | break; |
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| 204 | } |
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| 205 | #ifdef __DEF_IINCHIP_DBG__ |
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| 206 | printf("socket %d freesize(%d) empty or error\r\n", s, freesize); |
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| 207 | #endif |
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| 208 | } while (freesize < ret); |
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| 209 | |
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| 210 | // copy data |
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| 211 | send_data_processing(s, (uint8 *)buf, ret); |
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| 212 | IINCHIP_WRITE(Sn_CR(s),Sn_CR_SEND); |
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| 213 | |
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| 214 | // wait for completion |
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| 215 | while ( (IINCHIP_READ(Sn_IR(s)) & Sn_IR_SEND_OK) != Sn_IR_SEND_OK ) |
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| 216 | { |
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| 217 | status = IINCHIP_READ(Sn_SR(s)); |
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| 218 | if (status == SOCK_CLOSED) |
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| 219 | { |
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| 220 | #ifdef __DEF_IINCHIP_DBG__ |
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| 221 | printf("SOCK_CLOSED.\r\n"); |
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| 222 | #endif |
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| 223 | putISR(s, getISR(s) & (Sn_IR_RECV | Sn_IR_DISCON | Sn_IR_CON)); |
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| 224 | IINCHIP_WRITE(Sn_IR(s), (Sn_IR_SEND_OK | Sn_IR_TIMEOUT)); |
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| 225 | return 0; |
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| 226 | } |
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| 227 | } |
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| 228 | putISR(s, getISR(s) & (~Sn_IR_SEND_OK)); |
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| 229 | IINCHIP_WRITE(Sn_IR(s), Sn_IR_SEND_OK); |
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| 230 | return ret; |
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| 231 | } |
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| 232 | |
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| 233 | |
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| 234 | /** |
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| 235 | @brief This function is an application I/F function which is used to receive the data in TCP mode. |
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| 236 | It continues to wait for data as much as the application wants to receive. |
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| 237 | |
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| 238 | @return received data size for success else -1. |
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| 239 | */ |
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| 240 | uint16 recv( |
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| 241 | SOCKET s, /**< socket index */ |
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| 242 | uint8 * buf, /**< a pointer to copy the data to be received */ |
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| 243 | uint16 len /**< the data size to be read */ |
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| 244 | ) |
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| 245 | { |
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| 246 | uint16 ret=0; |
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| 247 | #ifdef __DEF_IINCHIP_DBG__ |
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| 248 | printf("recv()\r\n"); |
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| 249 | #endif |
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| 250 | |
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| 251 | |
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| 252 | if ( len > 0 ) |
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| 253 | { |
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| 254 | recv_data_processing(s, buf, len); |
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| 255 | IINCHIP_WRITE(Sn_CR(s),Sn_CR_RECV); |
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| 256 | ret = len; |
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| 257 | } |
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| 258 | return ret; |
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| 259 | } |
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| 260 | |
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| 261 | |
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| 262 | /** |
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| 263 | @brief This function is an application I/F function which is used to send the data for other then TCP mode. |
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| 264 | Unlike TCP transmission, The peer's destination address and the port is needed. |
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| 265 | |
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| 266 | @return This function return send data size for success else -1. |
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| 267 | */ |
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| 268 | uint16 sendto( |
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| 269 | SOCKET s, /**< socket index */ |
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| 270 | const uint8 * buf, /**< a pointer to the data */ |
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| 271 | uint16 len, /**< the data size to send */ |
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| 272 | uint8 * addr, /**< the peer's Destination IP address */ |
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| 273 | uint16 port /**< the peer's destination port number */ |
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| 274 | ) |
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| 275 | { |
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| 276 | uint8 status=0; |
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| 277 | uint8 isr=0; |
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| 278 | uint16 ret=0; |
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| 279 | |
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| 280 | #ifdef __DEF_IINCHIP_DBG__ |
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| 281 | printf("sendto()\r\n"); |
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| 282 | #endif |
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| 283 | if (len > getIINCHIP_TxMAX(s)) ret = getIINCHIP_TxMAX(s); // check size not to exceed MAX size. |
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| 284 | else ret = len; |
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| 285 | |
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| 286 | if |
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| 287 | ( |
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| 288 | ((addr[0] == 0x00) && (addr[1] == 0x00) && (addr[2] == 0x00) && (addr[3] == 0x00)) || |
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| 289 | ((port == 0x00)) ||(ret == 0) |
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| 290 | ) |
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| 291 | { |
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| 292 | ; |
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| 293 | #ifdef __DEF_IINCHIP_DBG__ |
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| 294 | printf("%d Fail[%.2x.%.2x.%.2x.%.2x, %.d, %d]\r\n",s, addr[0], addr[1], addr[2], addr[3] , port, len); |
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| 295 | printf("Fail[invalid ip,port]\r\n"); |
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| 296 | #endif |
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| 297 | } |
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| 298 | else |
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| 299 | { |
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| 300 | IINCHIP_WRITE(Sn_DIPR0(s),addr[0]); |
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| 301 | IINCHIP_WRITE((Sn_DIPR0(s) + 1),addr[1]); |
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| 302 | IINCHIP_WRITE((Sn_DIPR0(s) + 2),addr[2]); |
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| 303 | IINCHIP_WRITE((Sn_DIPR0(s) + 3),addr[3]); |
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| 304 | IINCHIP_WRITE(Sn_DPORT0(s),(uint8)((port & 0xff00) >> 8)); |
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| 305 | IINCHIP_WRITE((Sn_DPORT0(s) + 1),(uint8)(port & 0x00ff)); |
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| 306 | |
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| 307 | // copy data |
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| 308 | send_data_processing(s, (uint8 *)buf, ret); |
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| 309 | IINCHIP_WRITE(Sn_CR(s),Sn_CR_SEND); |
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| 310 | |
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| 311 | while ( (IINCHIP_READ(Sn_IR(s)) & Sn_IR_SEND_OK) != Sn_IR_SEND_OK ) |
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| 312 | { |
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| 313 | status = IINCHIP_READ(Sn_SR(s)); |
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| 314 | #ifndef __DEF_IINCHIP_INT__ |
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| 315 | isr = IINCHIP_READ(Sn_IR(s)); |
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| 316 | #endif |
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| 317 | if ((isr & Sn_IR_TIMEOUT) || (getISR(s) & Sn_IR_TIMEOUT)) |
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| 318 | { |
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| 319 | #ifdef __DEF_IINCHIP_DBG__ |
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| 320 | printf("send fail.\r\n"); |
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| 321 | #endif |
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| 322 | putISR(s, getISR(s) & (Sn_IR_RECV | Sn_IR_DISCON | Sn_IR_CON)); /* clear SEND_OK & TIMEOUT in I_STATUS[s] */ |
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| 323 | IINCHIP_WRITE(Sn_IR(s), (Sn_IR_SEND_OK | Sn_IR_TIMEOUT)); // clear SEND_OK & TIMEOUT in Sn_IR(s) |
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| 324 | return 0; |
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| 325 | } |
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| 326 | } |
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| 327 | putISR(s, getISR(s) & (~Sn_IR_SEND_OK)); |
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| 328 | IINCHIP_WRITE(Sn_IR(s), Sn_IR_SEND_OK); |
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| 329 | |
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| 330 | } |
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| 331 | return ret; |
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| 332 | } |
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| 333 | |
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| 334 | |
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| 335 | /** |
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| 336 | @brief This function is an application I/F function which is used to receive the data in other then |
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| 337 | TCP mode. This function is used to receive UDP, IP_RAW and MAC_RAW mode, and handle the header as well. |
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| 338 | |
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| 339 | @return This function return received data size for success else -1. |
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| 340 | */ |
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| 341 | uint16 recvfrom( |
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| 342 | SOCKET s, /**< the socket number */ |
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| 343 | uint8 * buf, /**< a pointer to copy the data to be received */ |
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| 344 | uint16 len, /**< the data size to read */ |
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| 345 | uint8 * addr, /**< a pointer to store the peer's IP address */ |
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| 346 | uint16 *port /**< a pointer to store the peer's port number. */ |
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| 347 | ) |
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| 348 | { |
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| 349 | uint8 head[8]; |
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| 350 | uint16 data_len=0; |
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| 351 | uint16 ptr=0; |
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| 352 | #ifdef __DEF_IINCHIP_DBG__ |
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| 353 | printf("recvfrom()\r\n"); |
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| 354 | #endif |
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| 355 | |
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| 356 | if ( len > 0 ) |
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| 357 | { |
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| 358 | ptr = IINCHIP_READ(Sn_RX_RD0(s)); |
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| 359 | ptr = ((ptr & 0x00ff) << 8) + IINCHIP_READ(Sn_RX_RD0(s) + 1); |
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| 360 | #ifdef __DEF_IINCHIP_DBG__ |
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| 361 | printf("ISR_RX: rd_ptr : %.4x\r\n", ptr); |
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| 362 | #endif |
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| 363 | switch (IINCHIP_READ(Sn_MR(s)) & 0x07) |
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| 364 | { |
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| 365 | case Sn_MR_UDP : |
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| 366 | read_data(s, (uint8 *)ptr, head, 0x08); |
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| 367 | ptr += 8; |
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| 368 | // read peer's IP address, port number. |
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| 369 | addr[0] = head[0]; |
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| 370 | addr[1] = head[1]; |
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| 371 | addr[2] = head[2]; |
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| 372 | addr[3] = head[3]; |
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| 373 | *port = head[4]; |
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| 374 | *port = (*port << 8) + head[5]; |
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| 375 | data_len = head[6]; |
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| 376 | data_len = (data_len << 8) + head[7]; |
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| 377 | |
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| 378 | #ifdef __DEF_IINCHIP_DBG__ |
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| 379 | printf("UDP msg arrived\r\n"); |
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| 380 | printf("source Port : %d\r\n", *port); |
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| 381 | printf("source IP : %d.%d.%d.%d\r\n", addr[0], addr[1], addr[2], addr[3]); |
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| 382 | #endif |
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| 383 | |
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| 384 | read_data(s, (uint8 *)ptr, buf, data_len); // data copy. |
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| 385 | ptr += data_len; |
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| 386 | |
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| 387 | IINCHIP_WRITE(Sn_RX_RD0(s),(uint8)((ptr & 0xff00) >> 8)); |
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| 388 | IINCHIP_WRITE((Sn_RX_RD0(s) + 1),(uint8)(ptr & 0x00ff)); |
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| 389 | break; |
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| 390 | |
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| 391 | case Sn_MR_IPRAW : |
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| 392 | read_data(s, (uint8 *)ptr, head, 0x06); |
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| 393 | ptr += 6; |
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| 394 | |
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| 395 | addr[0] = head[0]; |
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| 396 | addr[1] = head[1]; |
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| 397 | addr[2] = head[2]; |
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| 398 | addr[3] = head[3]; |
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| 399 | data_len = head[4]; |
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| 400 | data_len = (data_len << 8) + head[5]; |
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| 401 | |
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| 402 | #ifdef __DEF_IINCHIP_DBG__ |
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| 403 | printf("IP RAW msg arrived\r\n"); |
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| 404 | printf("source IP : %d.%d.%d.%d\r\n", addr[0], addr[1], addr[2], addr[3]); |
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| 405 | #endif |
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| 406 | read_data(s, (uint8 *)ptr, buf, data_len); // data copy. |
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| 407 | ptr += data_len; |
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| 408 | |
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| 409 | IINCHIP_WRITE(Sn_RX_RD0(s),(uint8)((ptr & 0xff00) >> 8)); |
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| 410 | IINCHIP_WRITE((Sn_RX_RD0(s) + 1),(uint8)(ptr & 0x00ff)); |
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| 411 | break; |
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| 412 | case Sn_MR_MACRAW : |
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| 413 | read_data(s,(uint8*)ptr,head,2); |
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| 414 | ptr+=2; |
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| 415 | data_len = head[0]; |
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| 416 | data_len = (data_len<<8) + head[1] - 2; |
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| 417 | |
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| 418 | read_data(s,(uint8*) ptr,buf,data_len); |
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| 419 | ptr += data_len; |
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| 420 | IINCHIP_WRITE(Sn_RX_RD0(s),(uint8)((ptr & 0xff00) >> 8)); |
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| 421 | IINCHIP_WRITE((Sn_RX_RD0(s) + 1),(uint8)(ptr & 0x00ff)); |
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| 422 | |
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| 423 | #ifdef __DEF_IINCHIP_DGB__ |
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| 424 | printf("MAC RAW msg arrived\r\n"); |
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| 425 | printf("dest mac=%.2X.%.2X.%.2X.%.2X.%.2X.%.2X\r\n",buf[0],buf[1],buf[2],buf[3],buf[4],buf[5]); |
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| 426 | printf("src mac=%.2X.%.2X.%.2X.%.2X.%.2X.%.2X\r\n",buf[6],buf[7],buf[8],buf[9],buf[10],buf[11]); |
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| 427 | printf("type =%.2X%.2X\r\n",buf[12],buf[13]); |
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| 428 | #endif |
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| 429 | break; |
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| 430 | |
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| 431 | default : |
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| 432 | break; |
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| 433 | } |
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| 434 | IINCHIP_WRITE(Sn_CR(s),Sn_CR_RECV); |
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| 435 | } |
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| 436 | #ifdef __DEF_IINCHIP_DBG__ |
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| 437 | printf("recvfrom() end ..\r\n"); |
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| 438 | #endif |
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| 439 | return data_len; |
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| 440 | } |
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| 441 | |
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| 442 | |
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| 443 | uint16 igmpsend(SOCKET s, const uint8 * buf, uint16 len) |
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| 444 | { |
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| 445 | //uint8 status=0; |
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| 446 | uint8 isr=0; |
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| 447 | uint16 ret=0; |
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| 448 | |
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| 449 | #ifdef __DEF_IINCHIP_DBG__ |
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| 450 | printf("igmpsend()\r\n"); |
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| 451 | #endif |
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| 452 | if (len > getIINCHIP_TxMAX(s)) ret = getIINCHIP_TxMAX(s); // check size not to exceed MAX size. |
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| 453 | else ret = len; |
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| 454 | |
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| 455 | if (ret == 0) |
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| 456 | { |
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| 457 | ; |
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| 458 | #ifdef __DEF_IINCHIP_DBG__ |
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| 459 | //printf("%d Fail[%d]\r\n",len); |
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| 460 | #endif |
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| 461 | } |
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| 462 | else |
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| 463 | { |
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| 464 | // copy data |
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| 465 | send_data_processing(s, (uint8 *)buf, ret); |
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| 466 | IINCHIP_WRITE(Sn_CR(s),Sn_CR_SEND); |
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| 467 | |
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| 468 | while (IINCHIP_READ(Sn_CR(s))) |
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| 469 | { |
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| 470 | // status = IINCHIP_READ(Sn_SR(s)); |
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| 471 | #ifndef __DEF_IINCHIP_INT__ |
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| 472 | isr = IINCHIP_READ(Sn_IR(s)); |
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| 473 | #endif |
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| 474 | if ((getISR(s) & Sn_IR_TIMEOUT) || (isr & Sn_IR_TIMEOUT)) |
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| 475 | { |
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| 476 | #ifdef __DEF_IINCHIP_DBG__ |
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| 477 | printf("igmpsend fail.\r\n"); |
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| 478 | #endif |
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| 479 | putISR(s, getISR(s) & (Sn_IR_RECV | Sn_IR_DISCON | Sn_IR_CON)); |
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| 480 | IINCHIP_WRITE(Sn_IR(s), (Sn_IR_SEND_OK | Sn_IR_TIMEOUT)); |
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| 481 | return 0; |
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| 482 | } |
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| 483 | } |
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| 484 | putISR(s, getISR(s) & (~Sn_IR_SEND_OK)); |
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| 485 | IINCHIP_WRITE(Sn_IR(s), Sn_IR_SEND_OK); |
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| 486 | } |
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| 487 | return ret; |
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| 488 | } |
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