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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 205 | arune | 1 | /** |
| 2 | * |
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| 280 | arune | 3 | * |
| 4 | * |
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| 205 | arune | 5 | * @date 2006-11-21 |
| 280 | arune | 6 | * @author Jimmy Myhrman, Anders Runeson |
| 205 | arune | 7 | * |
| 8 | */ |
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| 9 | |||
| 10 | /*----------------------------------------------------------------------------- |
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| 11 | * Includes |
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| 12 | *---------------------------------------------------------------------------*/ |
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| 13 | /* system files */ |
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| 14 | #include <avr/io.h> |
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| 15 | #include <avr/interrupt.h> |
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| 16 | #include <avr/wdt.h> |
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| 17 | #include <stdio.h> |
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| 18 | /* lib files */ |
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| 19 | #include <can.h> |
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| 280 | arune | 20 | //#include <serial.h> |
| 205 | arune | 21 | #include <timebase.h> |
| 22 | #include <ip_arp_udp_tcp.h> |
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| 23 | #include <enc28j60.h> |
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| 24 | #include <timeout.h> |
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| 25 | #include <avr_compat.h> |
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| 26 | #include <net.h> |
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| 27 | |||
| 28 | // please modify the following two lines. mac and ip have to be unique |
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| 29 | // in your local area network. You can not have the same numbers in |
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| 30 | // two devices: |
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| 31 | static uint8_t mymac[6] = {0x54,0x55,0x58,0x10,0x00,0x24}; |
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| 32 | static uint8_t myip[4] = {193,11,254,22}; |
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| 280 | arune | 33 | static uint16_t rmDumperPrt =1200; // remote port for dumping data |
| 34 | static uint16_t rmCan2SerPrt =1100; // remote port for Can2Serial-data |
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| 35 | static uint16_t locDumperPrt =1200; // listen port |
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| 36 | static uint16_t locCan2SerPrt =1100; // listen port for Can2Serial-data |
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| 379 | arune | 37 | static uint8_t gotdumpserver = 0; |
| 38 | static uint8_t gotcan2serserver = 0; |
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| 205 | arune | 39 | |
| 40 | // how did I get the mac addr? Translate the first 3 numbers into ascii is: TUX |
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| 41 | |||
| 42 | static uint8_t remotemac[6]; |
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| 43 | static uint8_t remoteip[4]; |
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| 44 | |||
| 379 | arune | 45 | static uint8_t prgremotemac[6]; |
| 46 | static uint8_t prgremoteip[4]; |
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| 47 | |||
| 205 | arune | 48 | #define BUFFER_SIZE 250 |
| 49 | static uint8_t buf[BUFFER_SIZE+1]; |
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| 50 | |||
| 212 | arune | 51 | #define SEND_BUFFER_SIZE 20 |
| 52 | static char sendbuf[SEND_BUFFER_SIZE+1]; |
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| 53 | static uint8_t buffpoint; |
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| 54 | |||
| 281 | arune | 55 | #define C2S_START_BYTE 253 |
| 56 | #define C2S_END_BYTE 250 |
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| 57 | |||
| 212 | arune | 58 | /*---------------------------------------------------------------------------- |
| 59 | * Putchar for udp |
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| 60 | * Implements a small buffer, sends packet over udp if buffer is full or |
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| 61 | * \n-char is sent. |
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| 62 | * Needs a timeout to force send. |
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| 63 | *--------------------------------------------------------------------------*/ |
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| 205 | arune | 64 | int udp_putchar(char c, FILE* stream) { |
| 379 | arune | 65 | if (gotdumpserver != 0) { |
| 212 | arune | 66 | sendbuf[buffpoint] = c; |
| 67 | buffpoint++; |
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| 68 | |||
| 69 | if (c == '\n' || buffpoint > SEND_BUFFER_SIZE) { |
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| 280 | arune | 70 | send_udp(buf, sendbuf, buffpoint, rmDumperPrt, remotemac, remoteip); |
| 212 | arune | 71 | buffpoint = 0; |
| 205 | arune | 72 | } |
| 73 | } |
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| 74 | return 0; |
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| 75 | } |
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| 76 | |||
| 77 | static FILE mystdout = FDEV_SETUP_STREAM(udp_putchar, NULL, _FDEV_SETUP_WRITE); |
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| 78 | |||
| 79 | /*----------------------------------------------------------------------------- |
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| 80 | * Main Program |
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| 81 | *---------------------------------------------------------------------------*/ |
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| 82 | int main(void) { |
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| 83 | |||
| 84 | //ethernet vars |
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| 85 | uint16_t plen = 0; |
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| 86 | uint8_t ledi=0; |
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| 87 | uint8_t payloadlen=0; |
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| 212 | arune | 88 | buffpoint = 0; |
| 205 | arune | 89 | |
| 90 | //can vars |
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| 91 | Can_Message_t txMsg; |
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| 92 | Can_Message_t rxMsg; |
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| 93 | txMsg.Id = 3; |
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| 94 | txMsg.DataLength = 0; |
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| 95 | txMsg.RemoteFlag = 0; |
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| 96 | txMsg.ExtendedFlag = 1; //DataLength and the databytes are just what happens to be in the memory. They are never set. |
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| 212 | arune | 97 | |
| 98 | |||
| 99 | uint32_t timeStamp = 0; |
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| 205 | arune | 100 | |
| 212 | arune | 101 | Mcu_Init(); |
| 205 | arune | 102 | Timebase_Init(); |
| 280 | arune | 103 | //Serial_Init(); |
| 212 | arune | 104 | |
| 105 | //alla printf ska skriva till udp |
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| 106 | stdout = &mystdout; //set the output stream |
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| 205 | arune | 107 | |
| 108 | sei(); |
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| 109 | |||
| 110 | // printf("CanInit..."); |
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| 111 | if (Can_Init() != CAN_OK) { |
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| 112 | // printf("FAILED!\n"); |
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| 113 | } |
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| 114 | else { |
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| 115 | // printf("OK!\n"); |
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| 116 | } |
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| 117 | |||
| 118 | /* enable PB0, reset as output */ |
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| 119 | DDRB|= (1<<DDB0); |
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| 120 | /* set output to gnd, reset the ethernet chip */ |
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| 121 | PORTB &= ~(1<<PB0); |
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| 122 | delay_ms(20); |
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| 123 | /* set output to Vcc, reset inactive */ |
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| 124 | PORTB|= (1<<PB0); |
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| 125 | delay_ms(100); |
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| 126 | |||
| 127 | // LED |
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| 128 | /* enable PB1, LED as output */ |
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| 129 | DDRD|= (1<<DDD6); |
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| 130 | /* set output to Vcc, LED off */ |
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| 131 | PORTD|= (1<<PD6); |
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| 132 | |||
| 212 | arune | 133 | //printf("Init enc\n"); |
| 205 | arune | 134 | /*initialize enc28j60*/ |
| 135 | enc28j60Init(mymac); |
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| 136 | delay_ms(20); |
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| 137 | |||
| 138 | /* Magjack leds configuration, see enc28j60 datasheet, page 11 */ |
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| 139 | // LEDB=yellow LEDA=green |
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| 140 | // |
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| 141 | // 0x476 is PHLCON LEDA=links status, LEDB=receive/transmit |
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| 142 | enc28j60PhyWrite(PHLCON,0x476); |
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| 143 | delay_ms(20); |
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| 144 | |||
| 145 | /* set output to GND, red LED on */ |
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| 146 | PORTD &= ~(1<<PD6); |
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| 147 | ledi=1; |
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| 148 | |||
| 149 | //init the ethernet/ip layer: |
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| 150 | init_ip_arp_udp_tcp(mymac,myip,80); |
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| 151 | |||
| 152 | /* main loop */ |
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| 153 | while (1) { |
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| 154 | /* service the CAN routines */ |
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| 155 | Can_Service(); |
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| 156 | |||
| 157 | /* send CAN message and check for CAN errors once every second */ |
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| 158 | if (Timebase_PassedTimeMillis(timeStamp) >= 2000) { |
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| 159 | timeStamp = Timebase_CurrentTime(); |
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| 160 | /* send txMsg */ |
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| 161 | //txMsg.Id++; |
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| 212 | arune | 162 | //txMsg.Id = 3; |
| 163 | //Can_Send(&txMsg); |
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| 205 | arune | 164 | |
| 165 | } |
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| 166 | |||
| 167 | /* check if any messages have been received */ |
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| 168 | while (Can_Receive(&rxMsg) == CAN_OK) { |
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| 281 | arune | 169 | uint8_t i; |
| 379 | arune | 170 | |
| 171 | if (gotdumpserver != 0) { |
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| 172 | printf("MSG Received: ID=%lx, DLC=%u, EXT=%u, RTR=%u, ", rxMsg.Id, (uint16_t)(rxMsg.DataLength), (uint16_t)(rxMsg.ExtendedFlag), (uint16_t)(rxMsg.RemoteFlag)); |
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| 173 | printf("data={ "); |
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| 174 | for (i=0; i<rxMsg.DataLength; i++) { |
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| 175 | printf("%x ", rxMsg.Data.bytes[i]); |
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| 176 | } |
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| 177 | printf("}\n"); |
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| 178 | } |
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| 212 | arune | 179 | |
| 379 | arune | 180 | if (gotcan2serserver != 0) { |
| 181 | //skicka ocks� som udppaket till rmCan2SerPrt |
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| 182 | char sendbuf2[17]; |
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| 183 | |||
| 184 | sendbuf2[0] = C2S_START_BYTE; |
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| 185 | sendbuf2[1] = (uint8_t)rxMsg.Id; |
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| 186 | sendbuf2[2] = (uint8_t)(rxMsg.Id>>8); |
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| 187 | sendbuf2[3] = (uint8_t)(rxMsg.Id>>16); |
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| 188 | sendbuf2[4] = (uint8_t)(rxMsg.Id>>24); |
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| 189 | sendbuf2[5] = rxMsg.ExtendedFlag; |
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| 190 | sendbuf2[6] = rxMsg.RemoteFlag; |
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| 191 | sendbuf2[7] = rxMsg.DataLength; |
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| 192 | for (i=0; i<8; i++) { |
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| 193 | sendbuf2[8+i] = rxMsg.Data.bytes[i]; |
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| 194 | } |
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| 195 | sendbuf2[16] = C2S_END_BYTE; |
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| 196 | |||
| 197 | send_udp(buf, sendbuf2, 18, rmCan2SerPrt, prgremotemac, prgremoteip); |
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| 198 | } |
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| 205 | arune | 199 | } |
| 200 | |||
| 212 | arune | 201 | //test-debug-kod |
| 202 | if ((enc28j60Read(EIR) & EIR_TXERIF)) { |
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| 203 | //printf("EIR_TXERIF set!\n"); |
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| 204 | if ((enc28j60Read(ECON1) & ECON1_TXRTS)) { |
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| 205 | //printf("ECON1_TXRTS set!\n"); |
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| 206 | } |
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| 207 | } |
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| 208 | if ((enc28j60Read(EIR) & EIR_TXIF)) { |
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| 209 | //printf("EIR_TXIF set! "); |
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| 210 | } |
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| 211 | if ((enc28j60Read(ESTAT) & ESTAT_TXABRT)) { |
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| 212 | //printf("ESTAT_TXABRT set!\n"); |
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| 213 | //printf("MACLCON1: %i\n", enc28j60Read(MACLCON1)); |
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| 214 | enc28j60WriteOp(ENC28J60_BIT_FIELD_CLR, ESTAT, ESTAT_TXABRT); |
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| 215 | } |
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| 216 | |||
| 205 | arune | 217 | // get the next new packet: |
| 218 | plen = enc28j60PacketReceive(BUFFER_SIZE, buf); |
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| 219 | |||
| 220 | /*plen will ne unequal to zero if there is a valid |
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| 221 | * packet (without crc error) */ |
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| 222 | if(plen!=0){ |
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| 223 | // arp is broadcast if unknown but a host may also |
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| 224 | // verify the mac address by sending it to |
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| 225 | // a unicast address. |
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| 226 | if(eth_type_is_arp_and_my_ip(buf,plen)){ |
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| 227 | make_arp_answer_from_request(buf); |
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| 228 | } else { |
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| 229 | // check if ip packets (icmp or udp) are for us: |
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| 230 | if(eth_type_is_ip_and_my_ip(buf,plen)!=0){ |
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| 231 | |||
| 232 | if(buf[IP_PROTO_P]==IP_PROTO_ICMP_V && buf[ICMP_TYPE_P]==ICMP_TYPE_ECHOREQUEST_V){ |
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| 233 | // a ping packet, let's send pong |
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| 234 | make_echo_reply_from_request(buf,plen); |
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| 212 | arune | 235 | //txMsg.Id = 6; |
| 236 | //Can_Send(&txMsg); |
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| 205 | arune | 237 | |
| 238 | } |
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| 239 | if (buf[IP_PROTO_P]==IP_PROTO_UDP_V){ |
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| 240 | payloadlen=buf[UDP_LEN_L_P]-UDP_HEADER_LEN; |
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| 379 | arune | 241 | uint8_t i = 0; |
| 242 | |||
| 243 | //om port 1100 (programmeringsporten) |
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| 280 | arune | 244 | if ((buf[UDP_DST_PORT_H_P]==((locCan2SerPrt>>8) & 0xff)) && (buf[UDP_DST_PORT_L_P] == (locCan2SerPrt & 0xff))) { |
| 379 | arune | 245 | while(i<6){ |
| 246 | prgremotemac[i]=buf[ETH_SRC_MAC +i]; |
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| 247 | i++; |
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| 248 | } |
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| 249 | i=0; |
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| 250 | while(i<4){ |
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| 251 | prgremoteip[i]=buf[IP_SRC_P +i]; |
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| 252 | i++; |
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| 253 | } |
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| 254 | gotcan2serserver = 1; |
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| 255 | |||
| 256 | if ((buf[UDP_DATA_P]==C2S_START_BYTE) && (buf[UDP_DATA_P+16]==C2S_END_BYTE) && (payloadlen==17)) { |
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| 257 | Can_Message_t cm; |
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| 258 | //cm.Id = 0; |
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| 259 | cm.DataLength = buf[UDP_DATA_P+7]; |
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| 260 | cm.RemoteFlag = buf[UDP_DATA_P+6]; |
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| 261 | cm.ExtendedFlag = buf[UDP_DATA_P+5]; |
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| 262 | cm.Id = (uint32_t)buf[UDP_DATA_P+1] + ((uint32_t)buf[UDP_DATA_P+2] << 8) + ((uint32_t)buf[UDP_DATA_P+3] << 16) + ((uint32_t)buf[UDP_DATA_P+4] << 24); |
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| 263 | uint8_t i; |
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| 264 | for (i = 0; i < cm.DataLength; i++) { |
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| 265 | cm.Data.bytes[i] = buf[UDP_DATA_P+8+i]; |
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| 266 | } |
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| 267 | Can_Send(&cm); |
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| 268 | |||
| 269 | if (gotdumpserver != 0) { |
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| 270 | printf("MSG Received: ID=%lx, DLC=%u, EXT=%u, RTR=%u, ", cm.Id, (uint16_t)(cm.DataLength), (uint16_t)(cm.ExtendedFlag), (uint16_t)(cm.RemoteFlag)); |
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| 271 | printf("data={ "); |
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| 272 | for (i=0; i<cm.DataLength; i++) { |
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| 273 | printf("%x ", cm.Data.bytes[i]); |
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| 281 | arune | 274 | } |
| 379 | arune | 275 | printf("}\n"); |
| 281 | arune | 276 | } |
| 277 | } |
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| 379 | arune | 278 | //om port 1200 (dumparporten) |
| 279 | } else if ((buf[UDP_DST_PORT_H_P]==((locDumperPrt>>8) & 0xff)) && (buf[UDP_DST_PORT_L_P] == (locDumperPrt & 0xff))) { |
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| 280 | if (gotdumpserver == 0) { |
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| 212 | arune | 281 | while(i<6){ |
| 282 | remotemac[i]=buf[ETH_SRC_MAC +i]; |
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| 283 | i++; |
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| 284 | } |
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| 285 | i=0; |
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| 286 | while(i<4){ |
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| 287 | remoteip[i]=buf[IP_SRC_P +i]; |
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| 288 | i++; |
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| 289 | } |
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| 290 | i=0; |
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| 291 | |||
| 379 | arune | 292 | gotdumpserver = 1; |
| 280 | arune | 293 | make_udp_reply_from_request(buf,"Got server",10,rmDumperPrt); |
| 212 | arune | 294 | } else { |
| 280 | arune | 295 | make_udp_reply_from_request(buf,"Already got server",18,rmDumperPrt); |
| 212 | arune | 296 | } |
| 205 | arune | 297 | } |
| 298 | } |
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| 299 | } |
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| 300 | } |
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| 301 | } |
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| 302 | |||
| 303 | |||
| 304 | |||
| 305 | |||
| 306 | } |
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| 307 | |||
| 308 | return 0; |
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| 309 | } |