/**
* This function should be called when a packet is ready to be read
* from the interface. It uses the function low_level_input() that
* should handle the actual reception of bytes from the network
* interface. Then the type of the received packet is determined and
* the appropriate input function is called.
*
* @param netif the lwip network interface structure for this ethernetif
*/
void ethernetif_input(void *arg)
{
struct eth_hdr *ethhdr;
struct pbuf *p;
struct netif *netif = (struct netif *)arg;
if(net_dev_id==ACORAL_DEV_ERR_ID)
return;
do
{
/* move received packet into a new pbuf */
//p = hw_getPacket(/*netif,*/ &flag);
acoral_dev_read(net_dev_id, &p, 0, 0,0);
/* no packet could be read, silently ignore this */
if (p == NULL)
continue;
/* points to packet payload, which starts with an Ethernet header */
ethhdr = p->payload;
switch (htons(ethhdr->type))
{
/* IP or ARP packet? */
case ETHTYPE_IP:
case ETHTYPE_ARP:
#if PPPOE_SUPPORT
/* PPPoE packet? */
case ETHTYPE_PPPOEDISC:
case ETHTYPE_PPPOE:
#endif /* PPPOE_SUPPORT */
/* full packet send to tcpip_thread to process */
if (netif->input(p, netif)!=ERR_OK)
{
LWIP_DEBUGF(NETIF_DEBUG, ("ethernetif_input: IP input error\n"));
pbuf_free(p);
// acoral_delay_self(400);
p = NULL;
}
break;
default:
pbuf_free(p);
p = NULL;
break;
}
}while(1);
}
static int
TS_Read(
int *px,
int *py,
int *pb
)
{
acoral_dev_read(ts_id,&ts_info,0,0,0);
*px=ts_fix.xfactor*ts_info.x+ts_fix.xoffset;
*py=ts_fix.yfactor*ts_info.y+ts_fix.yoffset;
if(ts_info.event==ACORAL_TS_DOWN)
*pb=MOUSE_EVENT_LBUTTON_DOWN;
else
*pb=MOUSE_EVENT_LBUTTON_UP;
return 1;
}
static int
TS_ReadRaw(
int *px,
int *py,
int *pb
)
{
acoral_dev_read(ts_id,&ts_info,0,0,0);
*px=ts_info.x;
*py=ts_info.y;
if(ts_info.event==ACORAL_TS_DOWN)
*pb=MOUSE_EVENT_LBUTTON_DOWN;
else
*pb=MOUSE_EVENT_LBUTTON_UP;
return 1;
}
int
BDKB_Read(
BYTE* btScanCode,
BYTE* btPressed
)
{
int ret;
int size;
if(kb_id<0){
acoral_suspend_self();
}
size = sizeof(acoral_kb_info);
ret = acoral_dev_read(kb_id,&buf,size,0,0);
if(ret == size){
*btScanCode = buf.key_code;
*btPressed = buf.event;
return 1;
}
else{
printf("read keyboard error\n");
return 0;
}
return 1;
}
