void mbed_eth_prepare_output(uint32_t size)
{
if (current_buffer.ptr != NULL)
{
MBED_DEBUG("Asking to send a new packet while previous not finished\r\n");
return;
}
/* allocated memory for output buffer */
while ((current_buffer.ptr = mbed_eth_get_tx_buffer()) == NULL){mbed_eth_garbage_tx_buffers();};
current_buffer.size = 0;
}
RFLPC_IRQ_HANDLER _eth_irq_handler()
{
rfEthDescriptor *d;
rfEthRxStatus *s;
int i = 0;
if (rflpc_eth_irq_get_status() & RFLPC_ETH_IRQ_EN_RX_DONE) /* packet received */
{
/* Process all pending packets, but limit to the number of descriptor
* to avoid beeing stuck in handler because of packet flood */
while (rflpc_eth_get_current_rx_packet_descriptor(&d, &s) && i++ < TX_DESCRIPTORS)
{
if (mbed_process_input(d->packet, rflpc_eth_get_packet_size(s->status_info)) == ETH_INPUT_FREE_PACKET)
rflpc_eth_done_process_rx_packet();
else
break;
}
}
if (rflpc_eth_irq_get_status() & RFLPC_ETH_IRQ_EN_TX_DONE)
mbed_eth_garbage_tx_buffers();
rflpc_eth_irq_clear(rflpc_eth_irq_get_status());
}
