/** \file\r
*\r
* Main source file for the Webserver project. This file contains the main tasks of\r
- * the demo and is responsible for the initial application hardware configuration.\r
+ * the project and is responsible for the initial application hardware configuration.\r
*/\r
\r
#include "Webserver.h"\r
},\r
};\r
\r
-volatile uint8_t uIPManagementTimeout;\r
+/** Connection timer, to retain the time elapsed since the last time the uIP connections were managed. */\r
+struct timer ConnectionTimer;\r
+\r
+/** ARP timer, to retain the time elapsed since the ARP cache was last updated. */\r
+struct timer ARPTimer;\r
\r
-/** ISR for the management of the connection management timeout counter */\r
-ISR(TIMER0_COMPA_vect, ISR_BLOCK)\r
-{\r
- if (uIPManagementTimeout)\r
- uIPManagementTimeout--;\r
-}\r
\r
-void TCPCallback(void)\r
-{\r
- printf("Callback!\r\n");\r
-}\r
- \r
/** Main program entry point. This routine configures the hardware required by the application, then\r
* enters a loop to run the application tasks in sequence.\r
*/\r
\r
printf("Device Max Transfer Size: %lu bytes.\r\n", Ethernet_RNDIS_Interface.State.DeviceMaxPacketSize);\r
\r
- uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST | REMOTE_NDIS_PACKET_ALL_MULTICAST);\r
+ uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST);\r
if (RNDIS_Host_SetRNDISProperty(&Ethernet_RNDIS_Interface, OID_GEN_CURRENT_PACKET_FILTER,\r
&PacketFilter, sizeof(PacketFilter)) != HOST_SENDCONTROL_Successful)\r
{\r
}\r
\r
printf("MAC Address: 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X 0x%02X\r\n",\r
- MACAddress.addr[0], MACAddress.addr[1], MACAddress.addr[2],\r
- MACAddress.addr[3], MACAddress.addr[4], MACAddress.addr[5]);\r
+ MACAddress.addr[0], MACAddress.addr[1], MACAddress.addr[2],\r
+ MACAddress.addr[3], MACAddress.addr[4], MACAddress.addr[5]);\r
\r
uip_setethaddr(MACAddress);\r
\r
+ LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
+\r
printf("RNDIS Device Enumerated.\r\n");\r
USB_HostState = HOST_STATE_Configured;\r
break;\r
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);\r
\r
/* Read the incomming packet straight into the UIP packet buffer */\r
- RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, &uip_buf, &uip_len);\r
- \r
- printf("RECEIVED PACKET (%d):\r\n", uip_len);\r
- for (uint16_t i = 0; i < uip_len; i++)\r
- printf("0x%02X ", uip_buf[i]);\r
- printf("\r\n\r\n");\r
-\r
- #define BUF ((struct uip_eth_hdr *)&uip_buf[0])\r
+ printf("L=%d R=%d\r\n", uip_len, RNDIS_Host_ReadPacket(&Ethernet_RNDIS_Interface, &uip_buf[0], &uip_len));\r
\r
- if (BUF->type == HTONS(UIP_ETHTYPE_IP))\r
+ if (uip_len > 0)\r
{\r
- /* Filter packet by MAC destination */\r
- uip_arp_ipin();\r
+ bool PacketHandled = true;\r
\r
- /* Process incomming packet */\r
- uip_input();\r
+ struct uip_eth_hdr* EthernetHeader = (struct uip_eth_hdr*)&uip_buf[0];\r
+ if (EthernetHeader->type == HTONS(UIP_ETHTYPE_IP))\r
+ {\r
+ /* Filter packet by MAC destination */\r
+ uip_arp_ipin();\r
\r
- /* Add destination MAC to outgoing packet */\r
- if (uip_len > 0)\r
- uip_arp_out();\r
- }\r
- else if (BUF->type == HTONS(UIP_ETHTYPE_ARP))\r
- {\r
- /* Process ARP packet */\r
- uip_arp_arpin();\r
- }\r
+ /* Process incomming packet */\r
+ uip_input();\r
\r
- /* If a response was generated, send it */\r
- if (uip_len > 0)\r
- RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, &uip_buf, uip_len);\r
+ /* Add destination MAC to outgoing packet */\r
+ if (uip_len > 0)\r
+ uip_arp_out();\r
+ }\r
+ else if (EthernetHeader->type == HTONS(UIP_ETHTYPE_ARP))\r
+ {\r
+ /* Process ARP packet */\r
+ uip_arp_arpin();\r
+ }\r
+ else\r
+ {\r
+ PacketHandled = false;\r
+ }\r
\r
- printf("SENT PACKET (%d):\r\n", uip_len);\r
- for (uint16_t i = 0; i < uip_len; i++)\r
- printf("0x%02X ", uip_buf[i]);\r
- printf("\r\n\r\n");\r
+ /* If a response was generated, send it */\r
+ if ((uip_len > 0) && PacketHandled)\r
+ RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, &uip_buf[0], uip_len);\r
+ }\r
\r
LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
}\r
\r
void ManageConnections(void)\r
{\r
- if (!(uIPManagementTimeout))\r
+ /* Manage open connections */\r
+ if (timer_expired(&ConnectionTimer))\r
{\r
+ timer_reset(&ConnectionTimer);\r
+\r
LEDs_SetAllLEDs(LEDMASK_USB_BUSY);\r
\r
for (uint8_t i = 0; i < UIP_CONNS; i++)\r
\r
/* If a response was generated, send it */\r
if (uip_len > 0)\r
- RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, &uip_buf, uip_len);\r
+ RNDIS_Host_SendPacket(&Ethernet_RNDIS_Interface, &uip_buf[0], uip_len);\r
}\r
\r
- uip_arp_timer();\r
- \r
- uIPManagementTimeout = 250;\r
-\r
LEDs_SetAllLEDs(LEDMASK_USB_READY);\r
}\r
+\r
+ /* Manage ARP cache refreshing */\r
+ if (timer_expired(&ARPTimer))\r
+ {\r
+ timer_reset(&ARPTimer);\r
+ uip_arp_timer();\r
+ }\r
}\r
\r
/** Configures the board hardware and chip peripherals for the demo's functionality. */\r
LEDs_Init();\r
USB_Init();\r
\r
- /* Millisecond timer initialization for managing the command timeout counter */\r
- OCR0A = ((F_CPU / 64) / 1000);\r
- TCCR0A = (1 << WGM01);\r
- TCCR0B = ((1 << CS01) | (1 << CS00));\r
- \r
+ /* uIP Timing Initialization */\r
+ clock_init();\r
+ timer_set(&ConnectionTimer, CLOCK_SECOND / 2);\r
+ timer_set(&ARPTimer, CLOCK_SECOND * 10); \r
+\r
/* uIP Stack Initialization */\r
uip_init();\r
-\r
uip_ipaddr_t IPAddress, Netmask, GatewayIPAddress;\r
- uip_ipaddr(&IPAddress, 192, 168, 1, 10);\r
- uip_ipaddr(&Netmask, 0xFF, 0xFF, 0xFF, 0x00);\r
+ uip_ipaddr(&IPAddress, 192, 168, 1, 10);\r
+ uip_ipaddr(&Netmask, 255, 255, 255, 0);\r
uip_ipaddr(&GatewayIPAddress, 192, 168, 1, 1);\r
uip_sethostaddr(&IPAddress);\r
uip_setnetmask(&Netmask);\r
uip_setdraddr(&GatewayIPAddress);\r
- \r
+ \r
/* HTTP Webserver Initialization */\r
uip_listen(HTONS(80));\r
}\r