receiver.c

Go to the documentation of this file.

#include <cfg/os.h>
#include <cfg/clock.h>
#include <dev/board.h>

#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <fcntl.h>
#include <io.h>

#include <sys/version.h>
#include <sys/confnet.h>
#include <sys/atom.h>
#include <sys/heap.h>
#include <sys/thread.h>
#include <sys/timer.h>
#include <sys/event.h>
#include <sys/socket.h>

#include <hxmp3/mp3dec.h>

#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <net/route.h>
#include <pro/dhcp.h>

#include "tlv320dac.h"
#include "config.h"
#include "receiver.h"
#include "shoutcast.h"

RECEIVERINFO * ReceiverCreate(RECEIVERPLUGIN *plugin)
{
    RECEIVERINFO *rip;

    /* Allocate and initialize the receiver info structure. */
    if ((rip = malloc(sizeof(RECEIVERINFO))) != NULL) {
        memset(rip, 0, sizeof(RECEIVERINFO));
        rip->ri_rpp = plugin;
        /* Associate a new player plug-in instance. */
        if ((*plugin->rp_create) (rip)) {
            free(rip);
            rip = NULL;
        }
    }
    return rip;
}

static int ReceiverPlugInControl(RECEIVERINFO *rip, u_int sst, u_int xst)
{
    int retries = 40;

    while (rip->ri_status != xst) {
        rip->ri_status = sst;
        NutEventPost(&rip->ri_cmdevt);
        if (retries-- <= 0) {
            printf("No receiver control\n");
            return -1;
        }
        NutEventWait(&rip->ri_stsevt, 500);
    }
    return 0;
}

u_int ReceiverStatus(RECEIVERINFO *rip)
{
    return rip->ri_status;
}

int ReceiverStop(RECEIVERINFO *rip)
{
    printf("[RSTOP]");
    return ReceiverPlugInControl(rip, RSTAT_STOP, RSTAT_IDLE);
}

int ReceiverStart(RECEIVERINFO *rip, STATIONINFO *sip)
{
    /* Make sure that the receiver is not running. */
    if (ReceiverStop(rip)) {
        return -1;
    }
    printf("[RSTART]");
    rip->ri_sip = sip;
    rip->ri_wpos = 0;
    rip->ri_rpos = 0;
    rip->ri_avail = 0;

    if ((*rip->ri_rpp->rp_setup)(rip)) {
        return -1;
    }
    return ReceiverPlugInControl(rip, RSTAT_START, RSTAT_RUNNING);
}

---