Suga koubou
mbed Phone Platform
Dependencies: ulaw mbed ConfigFile
IpLine.cpp@5:30e2847d241b, 2011-01-20 (annotated)
- Committer:
- okini3939
- Date:
- Thu Jan 20 13:50:10 2011 +0000
- Revision:
- 5:30e2847d241b
- Parent:
- 4:41a3534d085f
- Child:
- 6:bd62b12de751
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| okini3939 | 2:e37117117e79 | 1 | /** @file IpLine.cpp |
| okini3939 | 2:e37117117e79 | 2 | * @brief IP Line Controller (mbed Phone Platform) |
| okini3939 | 2:e37117117e79 | 3 | */ |
| okini3939 | 2:e37117117e79 | 4 | |
| okini3939 | 2:e37117117e79 | 5 | #include "IpLine.h" |
| okini3939 | 2:e37117117e79 | 6 | |
| okini3939 | 4:41a3534d085f | 7 | #define NET_RETRY (FREQ) |
| okini3939 | 4:41a3534d085f | 8 | #define NET_TIMEOUT (FREQ * 3) |
| okini3939 | 4:41a3534d085f | 9 | #define PACKET_IDENT 0x6465626d // "mbed" |
| okini3939 | 4:41a3534d085f | 10 | |
| okini3939 | 3:1d5dc4107558 | 11 | IpLine::IpLine (AnalogOut p_dac, AnalogIn p_adc) : dac(p_dac), adc(p_adc), dial(DIAL_SIZE), dabuf(DATA_SIZE * 4), adbuf(DATA_SIZE * 2) |
| okini3939 | 5:30e2847d241b | 12 | , led_y(p25), led_g(p26), eth_link(P1_25), eth_speed(P1_26) { |
| okini3939 | 2:e37117117e79 | 13 | EthernetErr r; |
| okini3939 | 2:e37117117e79 | 14 | |
| okini3939 | 2:e37117117e79 | 15 | mode = ModeOff; |
| okini3939 | 3:1d5dc4107558 | 16 | status = StatusNone; |
| okini3939 | 2:e37117117e79 | 17 | timeout = 0; |
| okini3939 | 3:1d5dc4107558 | 18 | packet_num = 1; |
| okini3939 | 2:e37117117e79 | 19 | dataskip = 0; |
| okini3939 | 2:e37117117e79 | 20 | |
| okini3939 | 2:e37117117e79 | 21 | // dhcp |
| okini3939 | 2:e37117117e79 | 22 | eth = new EthernetNetIf; |
| okini3939 | 2:e37117117e79 | 23 | // eth = new EthernetNetIf(IpAddr(192,168,10,200), IpAddr(255,255,255,0), IpAddr(0,0,0,0), IpAddr(0,0,0,0)); |
| okini3939 | 5:30e2847d241b | 24 | led_g = eth_link ? 0 : 1; |
| okini3939 | 2:e37117117e79 | 25 | r = eth->setup(); |
| okini3939 | 2:e37117117e79 | 26 | if (r) { |
| okini3939 | 2:e37117117e79 | 27 | printf("Error %d in setup.\n", r); |
| okini3939 | 2:e37117117e79 | 28 | return; |
| okini3939 | 2:e37117117e79 | 29 | } |
| okini3939 | 2:e37117117e79 | 30 | |
| okini3939 | 2:e37117117e79 | 31 | udpsock = new UDPSocket; |
| okini3939 | 2:e37117117e79 | 32 | udpsock->setOnEvent(this, &IpLine::onLisnerEvent); |
| okini3939 | 2:e37117117e79 | 33 | udpsock->bind(Host(eth->getIp(), UDPPORT)); |
| okini3939 | 2:e37117117e79 | 34 | } |
| okini3939 | 2:e37117117e79 | 35 | |
| okini3939 | 2:e37117117e79 | 36 | /// 8KHz interrupt |
| okini3939 | 2:e37117117e79 | 37 | void IpLine::intr () { |
| okini3939 | 2:e37117117e79 | 38 | char c; |
| okini3939 | 2:e37117117e79 | 39 | |
| okini3939 | 2:e37117117e79 | 40 | if (mode == ModeTalk && hook == HookOn) { |
| okini3939 | 2:e37117117e79 | 41 | // dac |
| okini3939 | 5:30e2847d241b | 42 | |
| okini3939 | 2:e37117117e79 | 43 | if (dabuf.available() < DATA_SIZE) { |
| okini3939 | 2:e37117117e79 | 44 | // down sample |
| okini3939 | 2:e37117117e79 | 45 | dabuf.get(c); |
| okini3939 | 5:30e2847d241b | 46 | dac.write_u16(ulaw2pcm(c)); |
| okini3939 | 2:e37117117e79 | 47 | dabuf.get(c); |
| okini3939 | 2:e37117117e79 | 48 | } else |
| okini3939 | 2:e37117117e79 | 49 | if (dabuf.use() < DATA_SIZE) { |
| okini3939 | 2:e37117117e79 | 50 | // over sample |
| okini3939 | 2:e37117117e79 | 51 | if (dataskip) { |
| okini3939 | 2:e37117117e79 | 52 | dataskip = 0; |
| okini3939 | 2:e37117117e79 | 53 | } else { |
| okini3939 | 2:e37117117e79 | 54 | if (! dabuf.get(c)) { |
| okini3939 | 2:e37117117e79 | 55 | dac.write_u16(ulaw2pcm(c)); |
| okini3939 | 2:e37117117e79 | 56 | } else { |
| okini3939 | 4:41a3534d085f | 57 | dac.write_u16(gaussian()); |
| okini3939 | 2:e37117117e79 | 58 | } |
| okini3939 | 2:e37117117e79 | 59 | dataskip = 1; |
| okini3939 | 2:e37117117e79 | 60 | } |
| okini3939 | 2:e37117117e79 | 61 | } else { |
| okini3939 | 2:e37117117e79 | 62 | // normal |
| okini3939 | 2:e37117117e79 | 63 | dabuf.get(c); |
| okini3939 | 2:e37117117e79 | 64 | dac.write_u16(ulaw2pcm(c)); |
| okini3939 | 2:e37117117e79 | 65 | } |
| okini3939 | 2:e37117117e79 | 66 | |
| okini3939 | 2:e37117117e79 | 67 | // adc |
| okini3939 | 5:30e2847d241b | 68 | adbuf.put(pcm2ulaw(adc.read_u16())); |
| okini3939 | 5:30e2847d241b | 69 | // adbuf.put(adc.read_u16() >> 8); |
| okini3939 | 2:e37117117e79 | 70 | } |
| okini3939 | 2:e37117117e79 | 71 | |
| okini3939 | 5:30e2847d241b | 72 | if (timeout > 1) timeout --; |
| okini3939 | 2:e37117117e79 | 73 | } |
| okini3939 | 2:e37117117e79 | 74 | |
| okini3939 | 2:e37117117e79 | 75 | /// network |
| okini3939 | 2:e37117117e79 | 76 | void IpLine::poll () { |
| okini3939 | 2:e37117117e79 | 77 | |
| okini3939 | 2:e37117117e79 | 78 | Net::poll(); |
| okini3939 | 2:e37117117e79 | 79 | |
| okini3939 | 5:30e2847d241b | 80 | led_g = eth_link ? 0 : 1; |
| okini3939 | 5:30e2847d241b | 81 | led_y = 0; |
| okini3939 | 5:30e2847d241b | 82 | |
| okini3939 | 2:e37117117e79 | 83 | if (mode == ModeTalk && adbuf.use() >= DATA_SIZE) { |
| okini3939 | 2:e37117117e79 | 84 | // send |
| okini3939 | 2:e37117117e79 | 85 | struct ipline_packet packet; |
| okini3939 | 2:e37117117e79 | 86 | |
| okini3939 | 2:e37117117e79 | 87 | packet.len = adbuf.get(packet.data, DATA_SIZE); |
| okini3939 | 2:e37117117e79 | 88 | if (packet.len > 0) { |
| okini3939 | 2:e37117117e79 | 89 | packet.header.num = 0; |
| okini3939 | 2:e37117117e79 | 90 | packet.header.target = remotetarget; |
| okini3939 | 2:e37117117e79 | 91 | packet.header.mode = ModeData; |
| okini3939 | 2:e37117117e79 | 92 | packet.header.status = StatusNone; |
| okini3939 | 2:e37117117e79 | 93 | send(&packet); |
| okini3939 | 2:e37117117e79 | 94 | } |
| okini3939 | 2:e37117117e79 | 95 | } |
| okini3939 | 5:30e2847d241b | 96 | |
| okini3939 | 5:30e2847d241b | 97 | if (timeout == 1) { |
| okini3939 | 5:30e2847d241b | 98 | if (last.target != PhoneNone) { |
| okini3939 | 5:30e2847d241b | 99 | // re-try |
| okini3939 | 5:30e2847d241b | 100 | send(&last); |
| okini3939 | 5:30e2847d241b | 101 | timeout = NET_TIMEOUT; |
| okini3939 | 5:30e2847d241b | 102 | last.target = PhoneNone; |
| okini3939 | 5:30e2847d241b | 103 | } else { |
| okini3939 | 5:30e2847d241b | 104 | // timeout |
| okini3939 | 5:30e2847d241b | 105 | status = StatusNg; |
| okini3939 | 5:30e2847d241b | 106 | } |
| okini3939 | 5:30e2847d241b | 107 | timeout = 0; |
| okini3939 | 5:30e2847d241b | 108 | } |
| okini3939 | 2:e37117117e79 | 109 | } |
| okini3939 | 2:e37117117e79 | 110 | |
| okini3939 | 2:e37117117e79 | 111 | /// recv packet |
| okini3939 | 2:e37117117e79 | 112 | void IpLine::onLisnerEvent (UDPSocketEvent e) { |
| okini3939 | 2:e37117117e79 | 113 | int len; |
| okini3939 | 2:e37117117e79 | 114 | struct ipline_packet packet; |
| okini3939 | 2:e37117117e79 | 115 | Host recv; |
| okini3939 | 2:e37117117e79 | 116 | |
| okini3939 | 2:e37117117e79 | 117 | if (e != UDPSOCKET_READABLE) return; |
| okini3939 | 2:e37117117e79 | 118 | |
| okini3939 | 2:e37117117e79 | 119 | // get data |
| okini3939 | 5:30e2847d241b | 120 | led_g = 0; |
| okini3939 | 3:1d5dc4107558 | 121 | len = udpsock->recvfrom((char *)&packet, sizeof(struct ipline_packet), &recv); |
| okini3939 | 2:e37117117e79 | 122 | |
| okini3939 | 4:41a3534d085f | 123 | if (packet.header.ident != PACKET_IDENT) return; |
| okini3939 | 3:1d5dc4107558 | 124 | |
| okini3939 | 2:e37117117e79 | 125 | if (packet.header.status != StatusNone) { |
| okini3939 | 2:e37117117e79 | 126 | // recv ack |
| okini3939 | 2:e37117117e79 | 127 | if (packet.header.num == last.num) { |
| okini3939 | 2:e37117117e79 | 128 | status = packet.header.status; |
| okini3939 | 2:e37117117e79 | 129 | timeout = 0; |
| okini3939 | 2:e37117117e79 | 130 | } |
| okini3939 | 2:e37117117e79 | 131 | |
| okini3939 | 2:e37117117e79 | 132 | } else |
| okini3939 | 2:e37117117e79 | 133 | if (packet.header.mode == ModeData && len > sizeof(struct ipline_header)) { |
| okini3939 | 2:e37117117e79 | 134 | // data |
| okini3939 | 2:e37117117e79 | 135 | |
| okini3939 | 5:30e2847d241b | 136 | if (packet.len <= len - sizeof(struct ipline_header) - 2) { |
| okini3939 | 5:30e2847d241b | 137 | dabuf.put(packet.data, packet.len); |
| okini3939 | 5:30e2847d241b | 138 | } |
| okini3939 | 2:e37117117e79 | 139 | |
| okini3939 | 2:e37117117e79 | 140 | } else |
| okini3939 | 2:e37117117e79 | 141 | if (len == sizeof(struct ipline_header)) { |
| okini3939 | 2:e37117117e79 | 142 | // enter |
| okini3939 | 2:e37117117e79 | 143 | packet.header.status = StatusNg; |
| okini3939 | 2:e37117117e79 | 144 | |
| okini3939 | 2:e37117117e79 | 145 | switch (packet.header.mode) { |
| okini3939 | 2:e37117117e79 | 146 | case ModeRing: |
| okini3939 | 2:e37117117e79 | 147 | // ring --> onhook, dial |
| okini3939 | 2:e37117117e79 | 148 | if (mode == ModeReady) { |
| okini3939 | 2:e37117117e79 | 149 | dial.put(1); |
| okini3939 | 2:e37117117e79 | 150 | dial.put(10); |
| okini3939 | 2:e37117117e79 | 151 | dial.put(packet.header.target); |
| okini3939 | 2:e37117117e79 | 152 | dial.put(12); |
| okini3939 | 2:e37117117e79 | 153 | hook = HookOn; |
| okini3939 | 2:e37117117e79 | 154 | remote = recv; |
| okini3939 | 2:e37117117e79 | 155 | packet.header.status = StatusOk; |
| okini3939 | 2:e37117117e79 | 156 | } |
| okini3939 | 2:e37117117e79 | 157 | break; |
| okini3939 | 2:e37117117e79 | 158 | |
| okini3939 | 2:e37117117e79 | 159 | case ModeBT: |
| okini3939 | 2:e37117117e79 | 160 | case ModeDisconnect: |
| okini3939 | 2:e37117117e79 | 161 | if (recv.getIp() == remote.getIp()) { |
| okini3939 | 2:e37117117e79 | 162 | hook = HookOff; |
| okini3939 | 2:e37117117e79 | 163 | packet.header.status = StatusOk; |
| okini3939 | 2:e37117117e79 | 164 | } |
| okini3939 | 2:e37117117e79 | 165 | break; |
| okini3939 | 2:e37117117e79 | 166 | |
| okini3939 | 2:e37117117e79 | 167 | case ModeTalk: |
| okini3939 | 2:e37117117e79 | 168 | if (recv.getIp() == remote.getIp()) { |
| okini3939 | 2:e37117117e79 | 169 | hook = HookOn; |
| okini3939 | 2:e37117117e79 | 170 | packet.header.status = StatusOk; |
| okini3939 | 2:e37117117e79 | 171 | } |
| okini3939 | 2:e37117117e79 | 172 | break; |
| okini3939 | 2:e37117117e79 | 173 | } |
| okini3939 | 2:e37117117e79 | 174 | |
| okini3939 | 2:e37117117e79 | 175 | // send ack |
| okini3939 | 2:e37117117e79 | 176 | send(&packet.header); |
| okini3939 | 3:1d5dc4107558 | 177 | /* |
| okini3939 | 2:e37117117e79 | 178 | for (int i = 0; i < len; i ++) { |
| okini3939 | 2:e37117117e79 | 179 | printf(" %02x", ((char *)&packet)[i]); |
| okini3939 | 2:e37117117e79 | 180 | } |
| okini3939 | 3:1d5dc4107558 | 181 | */ |
| okini3939 | 2:e37117117e79 | 182 | } |
| okini3939 | 2:e37117117e79 | 183 | } |
| okini3939 | 2:e37117117e79 | 184 | |
| okini3939 | 2:e37117117e79 | 185 | |
| okini3939 | 2:e37117117e79 | 186 | /// send packet (header only) |
| okini3939 | 2:e37117117e79 | 187 | void IpLine::send (struct ipline_header *header) { |
| okini3939 | 2:e37117117e79 | 188 | |
| okini3939 | 5:30e2847d241b | 189 | led_y = 1; |
| okini3939 | 4:41a3534d085f | 190 | header->ident = PACKET_IDENT; |
| okini3939 | 2:e37117117e79 | 191 | if (! header->num) { |
| okini3939 | 2:e37117117e79 | 192 | header->num = packet_num; |
| okini3939 | 2:e37117117e79 | 193 | packet_num ++; |
| okini3939 | 2:e37117117e79 | 194 | if (packet_num >= 65536) packet_num = 1; |
| okini3939 | 2:e37117117e79 | 195 | } |
| okini3939 | 2:e37117117e79 | 196 | udpsock->sendto((char *)header, sizeof(struct ipline_header), &remote); |
| okini3939 | 2:e37117117e79 | 197 | memcpy(&last, header, sizeof(struct ipline_header)); |
| okini3939 | 2:e37117117e79 | 198 | } |
| okini3939 | 2:e37117117e79 | 199 | |
| okini3939 | 2:e37117117e79 | 200 | /// send packet |
| okini3939 | 2:e37117117e79 | 201 | void IpLine::send (struct ipline_packet *packet) { |
| okini3939 | 2:e37117117e79 | 202 | |
| okini3939 | 5:30e2847d241b | 203 | led_y = 1; |
| okini3939 | 4:41a3534d085f | 204 | packet->header.ident = PACKET_IDENT; |
| okini3939 | 2:e37117117e79 | 205 | if (! packet->header.num) { |
| okini3939 | 2:e37117117e79 | 206 | packet->header.num = packet_num; |
| okini3939 | 2:e37117117e79 | 207 | packet_num ++; |
| okini3939 | 2:e37117117e79 | 208 | if (packet_num >= 65536) packet_num = 1; |
| okini3939 | 2:e37117117e79 | 209 | } |
| okini3939 | 2:e37117117e79 | 210 | udpsock->sendto((char *)packet, sizeof(struct ipline_packet), &remote); |
| okini3939 | 2:e37117117e79 | 211 | } |
| okini3939 | 2:e37117117e79 | 212 | |
| okini3939 | 2:e37117117e79 | 213 | /// change mode |
| okini3939 | 2:e37117117e79 | 214 | int IpLine::enter (enum Mode newmode) { |
| okini3939 | 2:e37117117e79 | 215 | struct ipline_header header; |
| okini3939 | 2:e37117117e79 | 216 | |
| okini3939 | 2:e37117117e79 | 217 | mode = newmode; |
| okini3939 | 2:e37117117e79 | 218 | status = StatusOk; |
| okini3939 | 2:e37117117e79 | 219 | |
| okini3939 | 2:e37117117e79 | 220 | switch (mode) { |
| okini3939 | 2:e37117117e79 | 221 | case ModeReady: |
| okini3939 | 2:e37117117e79 | 222 | hook = HookOff; |
| okini3939 | 5:30e2847d241b | 223 | adbuf.clear(); |
| okini3939 | 5:30e2847d241b | 224 | dabuf.clear(); |
| okini3939 | 2:e37117117e79 | 225 | break; |
| okini3939 | 2:e37117117e79 | 226 | |
| okini3939 | 2:e37117117e79 | 227 | case ModeBT: |
| okini3939 | 2:e37117117e79 | 228 | case ModeDisconnect: |
| okini3939 | 2:e37117117e79 | 229 | hook = HookOff; |
| okini3939 | 2:e37117117e79 | 230 | case ModeRing: |
| okini3939 | 2:e37117117e79 | 231 | case ModeTalk: |
| okini3939 | 2:e37117117e79 | 232 | status = StatusNone; |
| okini3939 | 2:e37117117e79 | 233 | header.num = 0; |
| okini3939 | 2:e37117117e79 | 234 | header.target = remotetarget; |
| okini3939 | 2:e37117117e79 | 235 | header.mode = mode; |
| okini3939 | 2:e37117117e79 | 236 | header.status = status; |
| okini3939 | 2:e37117117e79 | 237 | send(&header); |
| okini3939 | 2:e37117117e79 | 238 | timeout = NET_RETRY; |
| okini3939 | 2:e37117117e79 | 239 | break; |
| okini3939 | 2:e37117117e79 | 240 | } |
| okini3939 | 2:e37117117e79 | 241 | |
| okini3939 | 2:e37117117e79 | 242 | return 0; |
| okini3939 | 2:e37117117e79 | 243 | } |
| okini3939 | 2:e37117117e79 | 244 | |
| okini3939 | 2:e37117117e79 | 245 | /// return status |
| okini3939 | 2:e37117117e79 | 246 | int IpLine::scan (enum Scan type) { |
| okini3939 | 2:e37117117e79 | 247 | |
| okini3939 | 2:e37117117e79 | 248 | switch (type) { |
| okini3939 | 2:e37117117e79 | 249 | case ScanMode: |
| okini3939 | 2:e37117117e79 | 250 | return mode; |
| okini3939 | 2:e37117117e79 | 251 | |
| okini3939 | 2:e37117117e79 | 252 | case ScanStatus: |
| okini3939 | 2:e37117117e79 | 253 | return status; |
| okini3939 | 2:e37117117e79 | 254 | |
| okini3939 | 2:e37117117e79 | 255 | case ScanHook: |
| okini3939 | 2:e37117117e79 | 256 | return hook; |
| okini3939 | 2:e37117117e79 | 257 | |
| okini3939 | 2:e37117117e79 | 258 | case ScanDial: |
| okini3939 | 2:e37117117e79 | 259 | char c; |
| okini3939 | 2:e37117117e79 | 260 | if (dial.get(c) == 0) |
| okini3939 | 2:e37117117e79 | 261 | return c; |
| okini3939 | 2:e37117117e79 | 262 | break; |
| okini3939 | 2:e37117117e79 | 263 | |
| okini3939 | 2:e37117117e79 | 264 | } |
| okini3939 | 2:e37117117e79 | 265 | |
| okini3939 | 2:e37117117e79 | 266 | return -1; |
| okini3939 | 2:e37117117e79 | 267 | } |
| okini3939 | 2:e37117117e79 | 268 | |
| okini3939 | 2:e37117117e79 | 269 | /// set target |
| okini3939 | 2:e37117117e79 | 270 | void IpLine::settarget (enum PhoneType target, char *host) { |
| okini3939 | 2:e37117117e79 | 271 | int ip0, ip1, ip2, ip3; |
| okini3939 | 2:e37117117e79 | 272 | |
| okini3939 | 2:e37117117e79 | 273 | remotetarget = target; |
| okini3939 | 2:e37117117e79 | 274 | if (host[0] >= '0' && host[0] <= '9') { |
| okini3939 | 2:e37117117e79 | 275 | sscanf(host, "%d.%d.%d.%d", &ip0, &ip1, &ip2, &ip3); |
| okini3939 | 2:e37117117e79 | 276 | remote.setIp(IpAddr(ip0, ip1, ip2, ip3)); |
| okini3939 | 2:e37117117e79 | 277 | remote.setName(NULL); |
| okini3939 | 2:e37117117e79 | 278 | } else { |
| okini3939 | 2:e37117117e79 | 279 | remote.setIp(NULL); |
| okini3939 | 2:e37117117e79 | 280 | remote.setName(host); |
| okini3939 | 2:e37117117e79 | 281 | } |
| okini3939 | 2:e37117117e79 | 282 | remote.setPort(UDPPORT); |
| okini3939 | 2:e37117117e79 | 283 | } |
| okini3939 | 4:41a3534d085f | 284 | |
| okini3939 | 4:41a3534d085f | 285 | unsigned long IpLine::xor128 () { |
| okini3939 | 4:41a3534d085f | 286 | static unsigned long x = 123456789; |
| okini3939 | 4:41a3534d085f | 287 | static unsigned long y = 362436069, z = 521288629, w = 88675123; |
| okini3939 | 4:41a3534d085f | 288 | unsigned long t; |
| okini3939 | 4:41a3534d085f | 289 | t = (x ^ (x << 11)); |
| okini3939 | 4:41a3534d085f | 290 | x = y; y = z; z = w; |
| okini3939 | 4:41a3534d085f | 291 | return (w = (w ^ (w >> 19)) ^ (t ^ (t >> 8)) ); |
| okini3939 | 4:41a3534d085f | 292 | } |
| okini3939 | 4:41a3534d085f | 293 | |
| okini3939 | 4:41a3534d085f | 294 | int IpLine::gaussian () { |
| okini3939 | 4:41a3534d085f | 295 | int i, j; |
| okini3939 | 4:41a3534d085f | 296 | |
| okini3939 | 4:41a3534d085f | 297 | j = 0; |
| okini3939 | 4:41a3534d085f | 298 | for (i = 0; i < 12; i ++) { |
| okini3939 | 4:41a3534d085f | 299 | j = j + (xor128() >> 16); |
| okini3939 | 4:41a3534d085f | 300 | } |
| okini3939 | 4:41a3534d085f | 301 | j = (j - 0x60000) & 0xffff; |
| okini3939 | 5:30e2847d241b | 302 | return 0x3fff + (j >> 2); |
| okini3939 | 4:41a3534d085f | 303 | } |