]> git.donarmstrong.com Git - qmk_firmware.git/blobdiff - lib/lufa/Demos/Host/LowLevel/RNDISEthernetHost/RNDISEthernetHost.c
Merge commit '60b30c036397cb5627fa374bb930794b225daa29' as 'lib/lufa'
[qmk_firmware.git] / lib / lufa / Demos / Host / LowLevel / RNDISEthernetHost / RNDISEthernetHost.c
diff --git a/lib/lufa/Demos/Host/LowLevel/RNDISEthernetHost/RNDISEthernetHost.c b/lib/lufa/Demos/Host/LowLevel/RNDISEthernetHost/RNDISEthernetHost.c
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+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2017.
+
+  dean [at] fourwalledcubicle [dot] com
+           www.lufa-lib.org
+*/
+
+/*
+  Copyright 2017  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, distribute, and sell this
+  software and its documentation for any purpose is hereby granted
+  without fee, provided that the above copyright notice appear in
+  all copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaims all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *
+ *  Main source file for the RNDISEthernetHost demo. This file contains the main tasks of
+ *  the demo and is responsible for the initial application hardware configuration.
+ */
+
+#include "RNDISEthernetHost.h"
+
+/** 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);
+       GlobalInterruptEnable();
+
+       for (;;)
+       {
+               RNDISHost_Task();
+
+               USB_USBTask();
+       }
+}
+
+/** Configures the board hardware and chip peripherals for the demo's functionality. */
+void SetupHardware(void)
+{
+#if (ARCH == ARCH_AVR8)
+       /* Disable watchdog if enabled by bootloader/fuses */
+       MCUSR &= ~(1 << WDRF);
+       wdt_disable();
+
+       /* Disable clock division */
+       clock_prescale_set(clock_div_1);
+#endif
+
+       /* Hardware Initialization */
+       Serial_Init(9600, false);
+       LEDs_Init();
+       USB_Init();
+
+       /* Create a stdio stream for the serial port for stdin and stdout */
+       Serial_CreateStream(NULL);
+}
+
+/** Event handler for the USB_DeviceAttached event. This indicates that a device has been attached to the host, and
+ *  starts the library USB task to begin the enumeration and USB management process.
+ */
+void EVENT_USB_Host_DeviceAttached(void)
+{
+       puts_P(PSTR(ESC_FG_GREEN "Device Attached.\r\n" ESC_FG_WHITE));
+       LEDs_SetAllLEDs(LEDMASK_USB_ENUMERATING);
+}
+
+/** Event handler for the USB_DeviceUnattached event. This indicates that a device has been removed from the host, and
+ *  stops the library USB task management process.
+ */
+void EVENT_USB_Host_DeviceUnattached(void)
+{
+       puts_P(PSTR(ESC_FG_GREEN "\r\nDevice Unattached.\r\n" ESC_FG_WHITE));
+       LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);
+}
+
+/** Event handler for the USB_DeviceEnumerationComplete event. This indicates that a device has been successfully
+ *  enumerated by the host and is now ready to be used by the application.
+ */
+void EVENT_USB_Host_DeviceEnumerationComplete(void)
+{
+       puts_P(PSTR("Getting Config Data.\r\n"));
+
+       uint8_t ErrorCode;
+
+       /* 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);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       /* 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);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               return;
+       }
+
+       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);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               USB_Host_SetDeviceConfiguration(0);
+               return;
+       }
+
+       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);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               USB_Host_SetDeviceConfiguration(0);
+               return;
+       }
+
+       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);
+
+               LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+               USB_Host_SetDeviceConfiguration(0);
+               return;
+       }
+
+       printf_P(PSTR("Device Vendor ID: 0x%08lX\r\n"), VendorID);
+
+       puts_P(PSTR("RNDIS Device Enumerated.\r\n"));
+       LEDs_SetAllLEDs(LEDMASK_USB_READY);
+}
+
+/** Event handler for the USB_HostError event. This indicates that a hardware error occurred while in host mode. */
+void EVENT_USB_Host_HostError(const uint8_t ErrorCode)
+{
+       USB_Disable();
+
+       printf_P(PSTR(ESC_FG_RED "Host Mode Error\r\n"
+                                " -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
+
+       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+       for(;;);
+}
+
+/** Event handler for the USB_DeviceEnumerationFailed event. This indicates that a problem occurred while
+ *  enumerating an attached USB device.
+ */
+void EVENT_USB_Host_DeviceEnumerationFailed(const uint8_t ErrorCode,
+                                            const uint8_t SubErrorCode)
+{
+       printf_P(PSTR(ESC_FG_RED "Dev Enum Error\r\n"
+                                " -- Error Code %d\r\n"
+                                " -- Sub Error Code %d\r\n"
+                                " -- In State %d\r\n" ESC_FG_WHITE), ErrorCode, SubErrorCode, USB_HostState);
+
+       LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
+}
+
+/** Task to read in data received from the attached RNDIS device and print it to the serial port.
+ */
+void RNDISHost_Task(void)
+{
+       if (USB_HostState != HOST_STATE_Configured)
+         return;
+
+       uint8_t ErrorCode;
+
+       LEDs_SetAllLEDs(LEDMASK_USB_BUSY);
+
+       uint16_t PacketLength;
+       if ((ErrorCode = RNDIS_GetPacketLength(&PacketLength)) != HOST_SENDCONTROL_Successful)
+       {
+               printf_P(PSTR(ESC_FG_RED "Packet Reception Error.\r\n"
+                                        " -- Error Code: %d\r\n" ESC_FG_WHITE), ErrorCode);
+               return;
+       }
+
+       if (!(PacketLength))
+         return;
+
+       Pipe_Unfreeze();
+
+       printf_P(PSTR("***PACKET (Size %d)***\r\n"), PacketLength);
+
+       if (PacketLength > 1024)
+       {
+               puts_P(PSTR(ESC_FG_RED "Packet too large.\r\n" ESC_FG_WHITE));
+               Pipe_Discard_Stream(PacketLength, NULL);
+       }
+       else
+       {
+               uint8_t PacketBuffer[PacketLength];
+
+               Pipe_Read_Stream_LE(&PacketBuffer, PacketLength, NULL);
+
+               for (uint16_t i = 0; i < PacketLength; i++)
+                 printf("0x%02x ", PacketBuffer[i]);
+       }
+
+       Pipe_ClearIN();
+       Pipe_Freeze();
+
+       printf("\r\n\r\n");
+
+       LEDs_SetAllLEDs(LEDMASK_USB_READY);
+}
+