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

1 files changed, 382 insertions, 0 deletions

diff --git a/Demos/Host/ClassDriver/StillImageHost/StillImageHost.c b/Demos/Host/ClassDriver/StillImageHost/StillImageHost.c
new file mode 100644
index 000000000..318e25731
--- /dev/null
+++ b/Demos/Host/ClassDriver/StillImageHost/StillImageHost.c
@@ -0,0 +1,382 @@
+/*

+             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 StillImageHost demo. This file contains the main tasks of

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

+ */

+

+#include "StillImageHost.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

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

+

+	LEDs_SetAllLEDs(LEDMASK_USB_NOTREADY);

+

+	for (;;)

+	{

+		StillImage_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 */

+	CLKPR = (1 << CLKPCE);

+	CLKPR = 0;

+

+	/* 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 print device information

+ *  through the serial port.

+ */

+void StillImage_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 (USB_Host_SendControlRequest(NULL) != HOST_SENDCONTROL_Successful)

+			{

+				puts_P(PSTR("Control error.\r\n"));

+

+				/* 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("Still Image Device Enumerated.\r\n"));

+				

+			USB_HostState = HOST_STATE_Ready;

+			break;

+		case HOST_STATE_Ready:

+			/* Indicate device busy via the status LEDs */

+			LEDs_SetAllLEDs(LEDMASK_USB_BUSY);

+			

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

+			

+			PIMA_SendBlock = (PIMA_Container_t)

+				{

+					.DataLength    = PIMA_COMMAND_SIZE(0),

+					.Type          = CType_CommandBlock,

+					.Code          = PIMA_OPERATION_GETDEVICEINFO,

+					.TransactionID = 0x00000000,

+					.Params        = {},

+				};

+			

+			/* Send the GETDEVICEINFO block */

+			SImage_SendBlockHeader();

+			

+			/* Receive the response data block */

+			if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)

+			{

+				ShowCommandError(ErrorCode, false);

+				break;

+			}

+			

+			/* Calculate the size of the returned device info data structure */

+			uint16_t DeviceInfoSize = (PIMA_ReceivedBlock.DataLength - PIMA_COMMAND_SIZE(0));

+			

+			/* Create a buffer large enough to hold the entire device info */

+			uint8_t DeviceInfo[DeviceInfoSize];

+

+			/* Read in the data block data (containing device info) */

+			SImage_ReadData(DeviceInfo, DeviceInfoSize);

+			

+			/* Once all the data has been read, the pipe must be cleared before the response can be sent */

+			Pipe_ClearIN();

+			

+			/* Create a pointer for walking through the info dataset */

+			uint8_t* DeviceInfoPos = DeviceInfo;

+			

+			/* Skip over the data before the unicode device information strings */

+			DeviceInfoPos += 8;                                      // Skip to VendorExtensionDesc String

+			DeviceInfoPos += ((*DeviceInfoPos << 1) + 1);            // Skip over VendorExtensionDesc String

+			DeviceInfoPos += 2;                                      // Skip over FunctionalMode

+			DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over OperationCode Array

+			DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over EventCode Array

+			DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over DevicePropCode Array

+			DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over ObjectFormatCode Array

+			DeviceInfoPos += (4 + (*(uint32_t*)DeviceInfoPos << 1)); // Skip over ObjectFormatCode Array

+			

+			/* Extract and convert the Manufacturer Unicode string to ASCII and print it through the USART */

+			char Manufacturer[*DeviceInfoPos];

+			UnicodeToASCII(DeviceInfoPos, Manufacturer);

+			printf_P(PSTR("   Manufacturer: %s\r\n"), Manufacturer);

+

+			DeviceInfoPos += ((*DeviceInfoPos << 1) + 1);            // Skip over Manufacturer String

+

+			/* Extract and convert the Model Unicode string to ASCII and print it through the USART */

+			char Model[*DeviceInfoPos];

+			UnicodeToASCII(DeviceInfoPos, Model);

+			printf_P(PSTR("   Model: %s\r\n"), Model);

+

+			DeviceInfoPos += ((*DeviceInfoPos << 1) + 1);            // Skip over Model String

+

+			/* Extract and convert the Device Version Unicode string to ASCII and print it through the USART */

+			char DeviceVersion[*DeviceInfoPos];

+			UnicodeToASCII(DeviceInfoPos, DeviceVersion);

+			printf_P(PSTR("   Device Version: %s\r\n"), DeviceVersion);

+

+			/* Receive the final response block from the device */

+			if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)

+			{

+				ShowCommandError(ErrorCode, false);

+				break;

+			}

+			

+			/* Verify that the command completed successfully */

+			if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))

+			{

+				ShowCommandError(PIMA_ReceivedBlock.Code, true);

+				break;

+			}

+			

+			puts_P(PSTR("Opening Session...\r\n"));

+			

+			PIMA_SendBlock = (PIMA_Container_t)

+				{

+					.DataLength    = PIMA_COMMAND_SIZE(1),

+					.Type          = CType_CommandBlock,

+					.Code          = PIMA_OPERATION_OPENSESSION,

+					.TransactionID = 0x00000000,

+					.Params        = {0x00000001},

+				};

+			

+			/* Send the OPENSESSION block, open a session with an ID of 0x0001 */

+			SImage_SendBlockHeader();

+			

+			/* Receive the response block from the device */

+			if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)

+			{

+				ShowCommandError(ErrorCode, false);

+				break;

+			}

+			

+			/* Verify that the command completed successfully */

+			if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))

+			{

+				ShowCommandError(PIMA_ReceivedBlock.Code, true);

+				break;

+			}

+

+			puts_P(PSTR("Closing Session...\r\n"));

+

+			PIMA_SendBlock = (PIMA_Container_t)

+				{

+					.DataLength    = PIMA_COMMAND_SIZE(1),

+					.Type          = CType_CommandBlock,

+					.Code          = PIMA_OPERATION_CLOSESESSION,

+					.TransactionID = 0x00000001,

+					.Params        = {0x00000001},

+				};

+			

+			/* Send the CLOSESESSION block, close the session with an ID of 0x0001 */

+			SImage_SendBlockHeader();

+			

+			/* Receive the response block from the device */

+			if ((ErrorCode = SImage_RecieveBlockHeader()) != PIPE_RWSTREAM_NoError)

+			{

+				ShowCommandError(ErrorCode, false);

+				break;

+			}

+

+			/* Verify that the command completed successfully */

+			if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))

+			{

+				ShowCommandError(PIMA_ReceivedBlock.Code, true);

+				break;

+			}

+

+			puts_P(PSTR("Done.\r\n"));

+

+			/* Indicate device no longer busy */

+			LEDs_SetAllLEDs(LEDMASK_USB_READY);

+			

+			/* Wait until USB device disconnected */

+			while (USB_IsConnected);

+			

+			break;

+	}

+}

+

+/** Function to convert a given Unicode encoded string to ASCII. This function will only work correctly on Unicode

+ *  strings which contain ASCII printable characters only.

+ *

+ *  \param UnicodeString  Pointer to a Unicode encoded input string

+ *  \param Buffer         Pointer to a buffer where the converted ASCII string should be stored

+ */

+void UnicodeToASCII(uint8_t* UnicodeString, char* Buffer)

+{

+	/* Get the number of characters in the string, skip to the start of the string data */

+	uint8_t CharactersRemaining = *(UnicodeString++);

+	

+	/* Loop through the entire unicode string */

+	while (CharactersRemaining--)

+	{

+		/* Load in the next unicode character (only the lower byte, only Unicode coded ASCII supported) */

+		*(Buffer++) = *UnicodeString;

+		

+		/* Jump to the next unicode character */

+		UnicodeString += 2;

+	}

+	

+	/* Null terminate the string */

+	*Buffer = 0;

+}

+

+/** Displays a PIMA command error via the device's serial port.

+ *

+ *  \param ErrorCode          Error code of the function which failed to complete successfully

+ *  \param ResponseCodeError  Indicates if the error is due to a command failed indication from the device, or a communication failure

+ */

+void ShowCommandError(uint8_t ErrorCode, bool ResponseCodeError)

+{

+	char* FailureType = ((ResponseCodeError) ? PSTR("Response Code != OK") : PSTR("Transaction Fail"));

+

+	printf_P(PSTR(ESC_BG_RED "Command Error (%S).\r\n"), FailureType);

+	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);

+}