Esempio n. 1
0
inline
udp_sock udp_host(const std::string& serverport = SERVERPORT)
{
    networking_init();

    int sockfd;
    struct addrinfo hints, *servinfo, *p;
    int rv;

    memset(&hints, 0, sizeof hints);
    hints.ai_family = AF_INET; // set to AF_INET to force IPv4
    hints.ai_socktype = SOCK_DGRAM;
    hints.ai_flags = AI_PASSIVE; // use my IP

    if ((rv = getaddrinfo(NULL, serverport.c_str(), &hints, &servinfo)) != 0) {
        fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(rv));
        exit(1);
    }

    // loop through all the results and bind to the first we can
    for(p = servinfo; p != NULL; p = p->ai_next) {
        if ((sockfd = socket(p->ai_family, p->ai_socktype,
                p->ai_protocol)) == -1) {
            perror("listener: socket");
            continue;
        }

        if (bind(sockfd, p->ai_addr, p->ai_addrlen) == -1) {
            CLOSE(sockfd);
            perror("listener: bind");
            continue;
        }

        break;
    }

    if (p == NULL) {
        fprintf(stderr, "listener: failed to bind socket\n");
        udp_sock bad;
        bad.make_invalid();
        return bad;
    }

    freeaddrinfo(servinfo);

    return udp_sock(sockfd);
}
Esempio n. 2
0
int main(void) {
    // Set the system clock to the full 120MHz
    uint32_t sysClkFreq = SysCtlClockFreqSet(SYSCTL_XTAL_25MHZ | SYSCTL_OSC_MAIN | SYSCTL_USE_PLL | SYSCTL_CFG_VCO_480, 120000000);


    debug_init(sysClkFreq);
    status_led_init();
    network_driver_init(sysClkFreq);
    networking_init();
    telemetry_init();
    transducer_init();
    thermocouple_init();
    solenoid_init();

    debug_print("Initialization complete. starting main loop.\r\n");

    // Set up the SysTick timer and its interrupts
    SysTickPeriodSet(6000); // 40 kHz
    SysTickIntRegister(sys_tick);
    SysTickIntEnable();
    SysTickEnable();

    uint32_t loopIterations = 0;
    uint32_t frame_start = systick_clock;



    while(1) {
        status_led_periodic();
        network_driver_periodic();
        telemetry_periodic();
        solenoid_periodic();

        //	debug_print_u32(systick_clock);

        //count loop iterations per second
        loopIterations++;
        if(systick_clock - frame_start >= 1000) {
            loops_per_second = loopIterations;
            loopIterations = 0;
            frame_start = systick_clock;
        }

    }
}