/** Processes Incoming packets to the server from the connected RNDIS device, creating responses as needed. */
static void uIPManagement_ProcessIncomingPacket(void)
{
/* If no packet received, exit processing routine */
if (!(RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface)))
return;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
/* Read the Incoming packet straight into the UIP packet buffer */
RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, uip_buf, &uip_len);
/* If the packet contains an Ethernet frame, process it */
if (uip_len > 0)
{
switch (((struct uip_eth_hdr*)uip_buf)->type)
{
case HTONS(UIP_ETHTYPE_IP):
/* Filter packet by MAC destination */
uip_arp_ipin();
/* Process Incoming packet */
uip_input();
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
uip_split_output();
}
break;
case HTONS(UIP_ETHTYPE_ARP):
/* Process ARP packet */
uip_arp_arpin();
/* If a response was generated, send it */
if (uip_len > 0)
uip_split_output();
break;
}
}
LEDs_SetAllLEDs(LEDMASK_USB_READY | ((HaveIPConfiguration) ? LEDMASK_UIP_READY_CONFIG : LEDMASK_UIP_READY_NOCONFIG));
}
/** Prints incoming packets from the attached RNDIS device to the serial port. */
void PrintIncomingPackets(void)
{
if (RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface))
{
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
uint16_t PacketLength;
RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, &PacketBuffer, &PacketLength);
printf_P(PSTR("***PACKET (Size %d)***\r\n"), PacketLength);
for (uint16_t i = 0; i < PacketLength; i++)
printf("0x%02x ", PacketBuffer[i]);
printf_P(PSTR("\r\n\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
}
/** Task to manage an enumerated USB RNDIS device once connected, to display device
* received data packets.
*/
void RNDISHost_Task(void)
{
if (USB_HostState != HOST_STATE_Configured)
return;
if (RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface))
{
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
uint16_t PacketLength;
RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, &PacketBuffer, &PacketLength);
printf_P(PSTR("***PACKET (Size %d)***\r\n"), PacketLength);
for (uint16_t i = 0; i < PacketLength; i++)
printf("0x%02x ", PacketBuffer[i]);
printf_P(PSTR("\r\n\r\n"));
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}
}
/** Processes Incoming packets to the server from the connected RNDIS device, creating responses as needed. */
static void uIPManagement_ProcessIncomingPacket(void)
{
/* Determine which USB mode the system is currently initialized in */
if (USB_CurrentMode == USB_MODE_Device)
{
/* If no packet received, exit processing routine */
if (!(RNDIS_Device_IsPacketReceived(&Ethernet_RNDIS_Interface_Device)))
return;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
/* Read the Incoming packet straight into the UIP packet buffer */
RNDIS_Device_ReadPacket(&Ethernet_RNDIS_Interface_Device, uip_buf, &uip_len);
}
else
{
/* If no packet received, exit processing routine */
if (!(RNDIS_Host_IsPacketReceived(&Ethernet_RNDIS_Interface_Host)))
return;
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
/* Read the Incoming packet straight into the UIP packet buffer */
RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface_Host, uip_buf, &uip_len);
}
/* If the packet contains an Ethernet frame, process it */
// cppcheck-suppress redundantOperationIn
if (uip_len > 0)
{
switch (((struct uip_eth_hdr*)uip_buf)->type)
{
case HTONS(UIP_ETHTYPE_IP):
/* Filter packet by MAC destination */
uip_arp_ipin();
/* Process Incoming packet */
uip_input();
/* If a response was generated, send it */
if (uip_len > 0)
{
/* Add destination MAC to outgoing packet */
uip_arp_out();
uip_split_output();
}
break;
case HTONS(UIP_ETHTYPE_ARP):
/* Process ARP packet */
uip_arp_arpin();
/* If a response was generated, send it */
if (uip_len > 0)
uip_split_output();
break;
}
}
LEDs_SetAllLEDs(LEDMASK_USB_READY);
}