/** Task to set the configuration of the attached device after it has been enumerated, and to read in * data received from the attached RNDIS device and print it to the serial port. */ void RNDIS_Host_Task(void) { uint8_t ErrorCode; switch (USB_HostState) { case HOST_STATE_Addressed: puts_P(PSTR("Getting Config Data.\r\n")); /* Get and process the configuration descriptor data */ if ((ErrorCode = ProcessConfigurationDescriptor()) != SuccessfulConfigRead) { if (ErrorCode == ControlError) puts_P(PSTR(ESC_FG_RED "Control Error (Get Configuration).\r\n")); else puts_P(PSTR(ESC_FG_RED "Invalid Device.\r\n")); printf_P(PSTR(" -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDMASK_USB_ERROR); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } /* Set the device configuration to the first configuration (rarely do devices use multiple configurations) */ if ((ErrorCode = USB_Host_SetDeviceConfiguration(1)) != HOST_SENDCONTROL_Successful) { printf_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\r\n" " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDMASK_USB_ERROR); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } uint16_t DeviceMaxPacketSize; if ((ErrorCode = RNDIS_InitializeDevice(1024, &DeviceMaxPacketSize)) != HOST_SENDCONTROL_Successful) { printf_P(PSTR(ESC_FG_RED "Error Initializing Device.\r\n" " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDMASK_USB_ERROR); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } printf_P(PSTR("Device Max Transfer Size: %lu bytes.\r\n"), DeviceMaxPacketSize); /* We set the default filter to only receive packets we would be interested in */ uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST | REMOTE_NDIS_PACKET_ALL_MULTICAST); if ((ErrorCode = RNDIS_SetRNDISProperty(OID_GEN_CURRENT_PACKET_FILTER, &PacketFilter, sizeof(PacketFilter))) != HOST_SENDCONTROL_Successful) { printf_P(PSTR(ESC_FG_RED "Error Setting Device Packet Filter.\r\n" " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDMASK_USB_ERROR); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } uint32_t VendorID; if ((ErrorCode = RNDIS_QueryRNDISProperty(OID_GEN_VENDOR_ID, &VendorID, sizeof(VendorID))) != HOST_SENDCONTROL_Successful) { printf_P(PSTR(ESC_FG_RED "Error Getting Vendor ID.\r\n" " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode); /* Indicate error via status LEDs */ LEDs_SetAllLEDs(LEDMASK_USB_ERROR); /* Wait until USB device disconnected */ USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } printf_P(PSTR("Device Vendor ID: 0x%08lX\r\n"), VendorID); puts_P(PSTR("RNDIS Device Enumerated.\r\n")); USB_HostState = HOST_STATE_Configured; break; case HOST_STATE_Configured: PrintIncomingPackets(); break; } }
/** Main program entry point. This routine configures the hardware required by the application, then * enters a loop to run the application tasks in sequence. */ int main(void) { SetupHardware(); puts_P(PSTR(ESC_FG_CYAN "RNDIS Host Demo running.\r\n" ESC_FG_WHITE)); LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY); sei(); for (;;) { switch (USB_HostState) { case HOST_STATE_Addressed: LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING); uint16_t ConfigDescriptorSize; uint8_t ConfigDescriptorData[512]; if (USB_Host_GetDeviceConfigDescriptor(1, &ConfigDescriptorSize, ConfigDescriptorData, sizeof(ConfigDescriptorData)) != HOST_GETCONFIG_Successful) { puts_P(PSTR("Error Retrieving Configuration Descriptor.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } if (RNDIS_Host_ConfigurePipes(&Ethernet_RNDIS_Interface, ConfigDescriptorSize, ConfigDescriptorData) != RNDIS_ENUMERROR_NoError) { puts_P(PSTR("Attached Device Not a Valid RNDIS Class Device.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } if (USB_Host_SetDeviceConfiguration(1) != HOST_SENDCONTROL_Successful) { puts_P(PSTR("Error Setting Device Configuration.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } if (RNDIS_Host_InitializeDevice(&Ethernet_RNDIS_Interface) != HOST_SENDCONTROL_Successful) { puts_P(PSTR("Error Initializing Device.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } printf_P(PSTR("Device Max Transfer Size: %lu bytes.\r\n"), Ethernet_RNDIS_Interface.State.DeviceMaxPacketSize); uint32_t PacketFilter = (REMOTE_NDIS_PACKET_DIRECTED | REMOTE_NDIS_PACKET_BROADCAST | REMOTE_NDIS_PACKET_ALL_MULTICAST); if (RNDIS_Host_SetRNDISProperty(&Ethernet_RNDIS_Interface, OID_GEN_CURRENT_PACKET_FILTER, &PacketFilter, sizeof(PacketFilter)) != HOST_SENDCONTROL_Successful) { puts_P(PSTR("Error Setting Device Packet Filter.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } uint32_t VendorID; if (RNDIS_Host_QueryRNDISProperty(&Ethernet_RNDIS_Interface, OID_GEN_VENDOR_ID, &VendorID, sizeof(VendorID)) != HOST_SENDCONTROL_Successful) { puts_P(PSTR("Error Getting Vendor ID.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_ERROR); USB_HostState = HOST_STATE_WaitForDeviceRemoval; break; } printf_P(PSTR("Device Vendor ID: 0x%08lX\r\n"), VendorID); puts_P(PSTR("RNDIS Device Enumerated.\r\n")); LEDs_SetAllLEDs(LEDMASK_USB_READY); USB_HostState = HOST_STATE_Configured; break; case HOST_STATE_Configured: PrintIncomingPackets(); break; } RNDIS_Host_USBTask(&Ethernet_RNDIS_Interface); USB_USBTask(); } }