static int vti_get(CableHandle *h, uint8_t *data, uint32_t len)
{
unsigned int i;
tiTIME clk;
if(!hMap) return 0;
if(vRecvBuf)
{
/* Wait that the buffer has been filled */
for(i = 0; i < len; i++)
{
TO_START(clk);
do
{
if (TO_ELAPSED(clk, h->timeout))
return ERR_READ_TIMEOUT;
}
while (vRecvBuf->start == vRecvBuf->end);
/* And retrieve the data from the circular buffer */
data[i] = vRecvBuf->buf[vRecvBuf->start];
vRecvBuf->start = (vRecvBuf->start + 1) & (BUFSIZE-1);
}
}
else
{
ticables_critical("vti_get(): receive buffer busted !\n");
}
return 0;
}
static int vti_put(CableHandle *h, uint8_t *data, uint32_t len)
{
unsigned int i;
tiTIME clk;
if(!hMap) return 0;
if(vSendBuf)
{
for(i = 0; i < len; i++)
{
TO_START(clk);
do
{
if (TO_ELAPSED(clk, h->timeout))
return ERR_WRITE_TIMEOUT;
}
while (((vSendBuf->end + 1) & (BUFSIZE-1)) == vSendBuf->start);
vSendBuf->buf[vSendBuf->end] = data[i];
vSendBuf->end = (vSendBuf->end + 1) & (BUFSIZE-1);
}
}
else
{
ticables_critical("vti_put(): send buffer busted !\n");
}
return 0;
}
static int vti_put(CableHandle *h, uint8_t *data, uint32_t len)
{
int p = h->address;
uint32_t i;
tiTIME clk;
for(i = 0; i < len; i++)
{
TO_START(clk);
do
{
if (TO_ELAPSED(clk, h->timeout))
return ERR_WRITE_TIMEOUT;
}
while (((send_buf[p]->end + 1) & 255) == send_buf[p]->start);
send_buf[p]->buf[send_buf[p]->end] = data[i];
send_buf[p]->end = (send_buf[p]->end + 1) & 255;
}
return 0;
}
static int vti_get(CableHandle *h, uint8_t *data, uint32_t len)
{
int p = h->address;
uint32_t i;
tiTIME clk;
for(i = 0; i < len; i++)
{
TO_START(clk);
do
{
if (TO_ELAPSED(clk, h->timeout))
return ERR_READ_TIMEOUT;
}
while (recv_buf[p]->start == recv_buf[p]->end);
data[i] = recv_buf[p]->buf[recv_buf[p]->start];
recv_buf[p]->start = (recv_buf[p]->start + 1) & 255;
}
return 0;
}