void
out_char (CHAR ch)
{
UCHAR c = (UCHAR)ch;
//block process!!
if (c == '\n')
xUARTPutChar(printf_handle, '\r', portMAX_DELAY) ;
xUARTPutChar(printf_handle, ch, portMAX_DELAY) ;
}
/**
* Callback function called from lwIP when data is received from Ethernet
*
* @param bridge actual information
* @param tcp connection descriptor
* @param received network buffer
* @param reception error flag
* @return error type on callback to be processed by lwIP
*/
static err_t
BRIDGE_UART_ETH_RX(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err)
{
struct bridge_state *hs;
CHAR *rq;
uint16 length;
struct pbuf *q;
hs = arg;
/* If we got a NULL pbuf in p, the remote end has closed the connection. */
if(p != NULL)
{
/*FSL:send as many pbuf availables*/
for(q = p; q != NULL; q = q->next)
{
/*payload pointer in the pbuf contains the data in the TCP segment*/
rq = q->payload;
length = q->len;
/*send to UART*/
while(length--)
{
/*FSL: blocking push to uart buffer*/
xUARTPutChar(UARThandle, *(rq++), portMAX_DELAY);
}
}
/* Inform TCP that we have taken the data. */
tcp_recved(pcb, p->tot_len);
/* Free the pbuf */
pbuf_free(p);
}
else
{
/*close session if CLIENT did it first*/
BRIDGE_UART_ETH_CLOSE(pcb, hs);
}
return ERR_OK;
}
