You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
381 lines
13 KiB
381 lines
13 KiB
/*
|
|
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_FG_CYAN "Still Image Host Demo running.\r\n" ESC_FG_WHITE));
|
|
|
|
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(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_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_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_FG_RED "Host Mode Error\r\n"));
|
|
printf_P(PSTR(" -- 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_DeviceEnumerationFailed(const uint8_t ErrorCode, const uint8_t SubErrorCode)
|
|
{
|
|
puts_P(PSTR(ESC_FG_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" ESC_FG_WHITE), 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:
|
|
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)
|
|
{
|
|
puts_P(PSTR(ESC_FG_RED "Control Error (Set Configuration).\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;
|
|
}
|
|
|
|
USB_HostState = HOST_STATE_Configured;
|
|
break;
|
|
case HOST_STATE_Configured:
|
|
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);
|
|
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
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 += (1 + UNICODE_STRING_LENGTH(*DeviceInfoPos)); // 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 += 1 + UNICODE_STRING_LENGTH(*DeviceInfoPos); // 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 += 1 + UNICODE_STRING_LENGTH(*DeviceInfoPos); // 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);
|
|
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
/* Verify that the command completed successfully */
|
|
if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))
|
|
{
|
|
ShowCommandError(PIMA_ReceivedBlock.Code, true);
|
|
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
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);
|
|
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
/* Verify that the command completed successfully */
|
|
if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))
|
|
{
|
|
ShowCommandError(PIMA_ReceivedBlock.Code, true);
|
|
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
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);
|
|
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
break;
|
|
}
|
|
|
|
/* Verify that the command completed successfully */
|
|
if ((PIMA_ReceivedBlock.Type != CType_ResponseBlock) || (PIMA_ReceivedBlock.Code != PIMA_RESPONSE_OK))
|
|
{
|
|
ShowCommandError(PIMA_ReceivedBlock.Code, true);
|
|
|
|
USB_HostState = HOST_STATE_WaitForDeviceRemoval;
|
|
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[in] UnicodeString Pointer to a Unicode encoded input string
|
|
* \param[out] 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, as only Unicode coded ASCII is 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[in] ErrorCode Error code of the function which failed to complete successfully
|
|
* \param[in] 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_FG_RED "Command Error (%S).\r\n"), FailureType);
|
|
printf_P(PSTR(" -- Error Code %d\r\n" ESC_FG_WHITE), ErrorCode);
|
|
|
|
/* Indicate error via status LEDs */
|
|
LEDs_SetAllLEDs(LEDMASK_USB_ERROR);
|
|
}
|