Copy over schedulerless host demos to ClassDrivers directory, for later modification to new Host mode USB class drivers.

1 files changed, 231 insertions, 0 deletions

diff --git a/Demos/Host/ClassDriver/CDCHost/CDCHost.c b/Demos/Host/ClassDriver/CDCHost/CDCHost.c
new file mode 100644
index 000000000..9a5e81ae4
--- /dev/null
+++ b/Demos/Host/ClassDriver/CDCHost/CDCHost.c
@@ -0,0 +1,231 @@
+/*

+             LUFA Library

+     Copyright (C) Dean Camera, 2009.

+              

+  dean [at] fourwalledcubicle [dot] com

+      www.fourwalledcubicle.com

+*/

+

+/*

+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)

+

+  Permission to use, copy, modify, and distribute this software

+  and its documentation for any purpose and without fee is hereby

+  granted, 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 disclaim 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 CDCHost demo. This file contains the main tasks of

+ *  the demo and is responsible for the initial application hardware configuration.

+ */

+ 

+#include "CDCHost.h"

+

+/** Main program entry point. This routine configures the hardware required by the application, then

+ *  starts the scheduler to run the application tasks.

+ */

+int main(void)

+{

+	SetupHardware();

+

+	puts_P(PSTR(ESC_RESET ESC_BG_WHITE ESC_INVERSE_ON ESC_ERASE_DISPLAY

+	       "CDC Host Demo running.\r\n" ESC_INVERSE_OFF));

+

+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);

+

+	for (;;)

+	{

+		CDC_Host_Task();

+		USB_USBTask();

+	}

+}

+

+/** Configures the board hardware and chip peripherals for the demo's functionality. */

+void SetupHardware(void)

+{

+	/* Disable watchdog if enabled by bootloader/fuses */

+	MCUSR &= ~(1 << WDRF);

+	wdt_disable();

+

+	/* Disable clock division */

+	clock_prescale_set(clock_div_1);

+

+	/* Hardware Initialization */

+	SerialStream_Init(9600, false);

+	LEDs_Init();

+	USB_Init();

+}

+

+/** 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_DeviceAttached(void)

+{

+	puts_P(PSTR("Device Attached.\r\n"));

+	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_DeviceUnattached(void)

+{

+	puts_P(PSTR("\r\nDevice Unattached.\r\n"));

+	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_DeviceEnumerationComplete(void)

+{

+	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_HostError(const uint8_t ErrorCode)

+{

+	USB_ShutDown();

+

+	puts_P(PSTR(ESC_BG_RED "Host Mode Error\r\n"));

+	printf_P(PSTR(" -- Error Code %d\r\n"), 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_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)

+{

+	puts_P(PSTR(ESC_BG_RED "Dev Enum Error\r\n"));

+	printf_P(PSTR(" -- Error Code %d\r\n"), ErrorCode);

+	printf_P(PSTR(" -- Sub Error Code %d\r\n"), SubErrorCode);

+	printf_P(PSTR(" -- In State %d\r\n"), USB_HostState);

+	

+	LEDs_SetAllLEDs(LEDMASK_USB_ERROR);

+}

+

+/** Task to set the configuration of the attached device after it has been enumerated, and to read in

+ *  data received from the attached CDC device and print it to the serial port.

+ */

+void CDC_Host_Task(void)

+{

+	uint8_t ErrorCode;

+

+	switch (USB_HostState)

+	{

+		case HOST_STATE_Addressed:

+			/* Standard request to set the device configuration to configuration 1 */

+			USB_ControlRequest = (USB_Request_Header_t)

+				{

+					.bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_DEVICE),

+					.bRequest      = REQ_SetConfiguration,

+					.wValue        = 1,

+					.wIndex        = 0,

+					.wLength       = 0,

+				};

+

+			/* Select the control pipe for the request transfer */

+			Pipe_SelectPipe(PIPE_CONTROLPIPE);

+

+			/* Send the request, display error and wait for device detach if request fails */

+			if ((ErrorCode = USB_Host_SendControlRequest(NULL)) != HOST_SENDCONTROL_Successful)

+			{

+				puts_P(PSTR("Control Error (Set Configuration).\r\n"));

+				printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);

+

+				/* Indicate error via status LEDs */

+				LEDs_SetAllLEDs(LEDMASK_USB_ERROR);

+

+				/* Wait until USB device disconnected */

+				while (USB_IsConnected);

+				break;

+			}

+				

+			USB_HostState = HOST_STATE_Configured;

+			break;

+		case HOST_STATE_Configured:

+			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("Control Error (Get Configuration).\r\n"));

+				else

+				  puts_P(PSTR("Invalid Device.\r\n"));

+

+				printf_P(PSTR(" -- Error Code: %d\r\n"), ErrorCode);

+				

+				/* Indicate error via status LEDs */

+				LEDs_SetAllLEDs(LEDMASK_USB_ERROR);

+

+				/* Wait until USB device disconnected */

+				while (USB_IsConnected);

+				break;

+			}

+

+			puts_P(PSTR("CDC Device Enumerated.\r\n"));

+				

+			USB_HostState = HOST_STATE_Ready;

+			break;

+		case HOST_STATE_Ready:

+			/* Select and the data IN pipe */

+			Pipe_SelectPipe(CDC_DATAPIPE_IN);

+

+			/* Check to see if a packet has been received */

+			if (Pipe_IsINReceived())

+			{

+				/* Check if data is in the pipe */

+				if (Pipe_IsReadWriteAllowed())

+				{

+					/* Get the length of the pipe data, and create a new buffer to hold it */

+					uint16_t BufferLength = Pipe_BytesInPipe();

+					uint8_t  Buffer[BufferLength];

+					

+					/* Read in the pipe data to the temporary buffer */

+					Pipe_Read_Stream_LE(Buffer, BufferLength);

+									

+					/* Print out the buffer contents to the USART */

+					for (uint16_t BufferByte = 0; BufferByte < BufferLength; BufferByte++)

+					  putchar(Buffer[BufferByte]);

+				}

+

+				/* Clear the pipe after it is read, ready for the next packet */

+				Pipe_ClearIN();

+			}

+

+			/* Select and unfreeze the notification pipe */

+			Pipe_SelectPipe(CDC_NOTIFICATIONPIPE);

+			Pipe_Unfreeze();

+			

+			/* Check if a packet has been received */

+			if (Pipe_IsINReceived())

+			{

+				/* Discard the unused event notification */

+				Pipe_ClearIN();

+			}

+			

+			/* Freeze notification IN pipe after use */

+			Pipe_Freeze();

+						

+			break;

+	}

+}