Esempio n. 1
0
/**
 * 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);
}
Esempio n. 2
0
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;
}
Esempio n. 3
0
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;
}
Esempio n. 4
0
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;
}