diff options
Diffstat (limited to 'Demos/Host/ClassDriver/StillImageHost/Lib/StillImageCommands.c')
| -rw-r--r-- | Demos/Host/ClassDriver/StillImageHost/Lib/StillImageCommands.c | 279 |
1 files changed, 0 insertions, 279 deletions
diff --git a/Demos/Host/ClassDriver/StillImageHost/Lib/StillImageCommands.c b/Demos/Host/ClassDriver/StillImageHost/Lib/StillImageCommands.c deleted file mode 100644 index 8f05e48f4..000000000 --- a/Demos/Host/ClassDriver/StillImageHost/Lib/StillImageCommands.c +++ /dev/null @@ -1,279 +0,0 @@ -/*
- 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
- *
- * Still Image Device commands, to issue PIMA commands to the device for
- * reading device status, capacity, and other characteristics as well as
- * reading and writing of stored image data.
- */
-
-#include "StillImageCommands.h"
-
-/* Globals: */
-/** PIMA block container for the block to send to the device */
-PIMA_Container_t PIMA_SendBlock;
-
-/** PIMA block container for the last received block from the device */
-PIMA_Container_t PIMA_ReceivedBlock;
-
-/** PIMA block container for the last event block received from the device */
-PIMA_Container_t PIMA_EventBlock;
-
-
-/** Function to send the PIMA command container to the attached still image device. */
-void SImage_SendBlockHeader(void)
-{
- /* Unfreeze the data OUT pipe ready for data transmission */
- Pipe_SelectPipe(SIMAGE_DATA_OUT_PIPE);
- Pipe_Unfreeze();
-
- /* Write the PIMA block to the data OUT pipe */
- Pipe_Write_Stream_LE(&PIMA_SendBlock, PIMA_COMMAND_SIZE(0));
-
- /* If the block type is a command, send its parameters (if any) */
- if (PIMA_SendBlock.Type == CType_CommandBlock)
- {
- /* Determine the size of the parameters in the block via the data length attribute */
- uint8_t ParamBytes = (PIMA_SendBlock.DataLength - PIMA_COMMAND_SIZE(0));
-
- /* Check if any parameters in the command block */
- if (ParamBytes)
- {
- /* Write the PIMA parameters to the data OUT pipe */
- Pipe_Write_Stream_LE(&PIMA_SendBlock.Params, ParamBytes);
- }
-
- /* Send the PIMA command block to the attached device */
- Pipe_ClearOUT();
- }
-
- /* Freeze pipe after use */
- Pipe_Freeze();
-}
-
-/** Function to receive a PIMA event container from the attached still image device. */
-void SImage_RecieveEventHeader(void)
-{
- /* Unfreeze the events pipe */
- Pipe_SelectPipe(SIMAGE_EVENTS_PIPE);
- Pipe_Unfreeze();
-
- /* Read in the event data into the global structure */
- Pipe_Read_Stream_LE(&PIMA_EventBlock, sizeof(PIMA_EventBlock));
-
- /* Clear the pipe after read complete to prepare for next event */
- Pipe_ClearIN();
-
- /* Freeze the event pipe again after use */
- Pipe_Freeze();
-}
-
-/** Function to receive a PIMA response container from the attached still image device. */
-uint8_t SImage_RecieveBlockHeader(void)
-{
- uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS;
-
- /* Unfreeze the data IN pipe */
- Pipe_SelectPipe(SIMAGE_DATA_IN_PIPE);
- Pipe_Unfreeze();
-
- /* Wait until data received on the IN pipe */
- while (!(Pipe_IsReadWriteAllowed()))
- {
- /* Check to see if a new frame has been issued (1ms elapsed) */
- if (USB_INT_HasOccurred(USB_INT_HSOFI))
- {
- /* Clear the flag and decrement the timeout period counter */
- USB_INT_Clear(USB_INT_HSOFI);
- TimeoutMSRem--;
-
- /* Check to see if the timeout period for the command has elapsed */
- if (!(TimeoutMSRem))
- {
- /* Return error code */
- return PIPE_RWSTREAM_Timeout;
- }
- }
-
- Pipe_SelectPipe(SIMAGE_DATA_OUT_PIPE);
-
- /* Check if pipe stalled (command failed by device) */
- if (Pipe_IsStalled())
- {
- /* Clear the stall condition on the OUT pipe */
- SImage_ClearPipeStall(SIMAGE_DATA_OUT_PIPE);
-
- /* Return error code and break out of the loop */
- return PIPE_RWSTREAM_PipeStalled;
- }
-
- Pipe_SelectPipe(SIMAGE_DATA_IN_PIPE);
-
- /* Check if pipe stalled (command failed by device) */
- if (Pipe_IsStalled())
- {
- /* Clear the stall condition on the IN pipe */
- SImage_ClearPipeStall(SIMAGE_DATA_IN_PIPE);
-
- /* Return error code */
- return PIPE_RWSTREAM_PipeStalled;
- }
-
- /* Check to see if the device was disconnected, if so exit function */
- if (!(USB_IsConnected))
- {
- /* Return error code */
- return PIPE_RWSTREAM_DeviceDisconnected;
- }
- };
-
- /* Freeze OUT pipe after use */
- Pipe_SelectPipe(SIMAGE_DATA_OUT_PIPE);
- Pipe_Freeze();
-
- /* Select the IN data pipe for data reception */
- Pipe_SelectPipe(SIMAGE_DATA_IN_PIPE);
-
- /* Load in the response from the attached device */
- Pipe_Read_Stream_LE(&PIMA_ReceivedBlock, PIMA_COMMAND_SIZE(0));
-
- /* Check if the returned block type is a response block */
- if (PIMA_ReceivedBlock.Type == CType_ResponseBlock)
- {
- /* Determine the size of the parameters in the block via the data length attribute */
- uint8_t ParamBytes = (PIMA_ReceivedBlock.DataLength - PIMA_COMMAND_SIZE(0));
-
- /* Check if the device has returned any parameters */
- if (ParamBytes)
- {
- /* Read the PIMA parameters from the data IN pipe */
- Pipe_Read_Stream_LE(&PIMA_ReceivedBlock.Params, ParamBytes);
- }
-
- /* Clear pipe bank after use */
- Pipe_ClearIN();
- }
-
- /* Freeze the IN pipe after use */
- Pipe_Freeze();
-
- return PIPE_RWSTREAM_NoError;
-}
-
-/** Function to send the given data to the device, after a command block has been issued.
- *
- * \param Buffer Source data buffer to send to the device
- * \param Bytes Number of bytes to send
- */
-void SImage_SendData(void* Buffer, uint16_t Bytes)
-{
- /* Unfreeze the data OUT pipe */
- Pipe_SelectPipe(SIMAGE_DATA_OUT_PIPE);
- Pipe_Unfreeze();
-
- /* Write the data contents to the pipe */
- Pipe_Write_Stream_LE(Buffer, Bytes);
-
- /* Send the last packet to the attached device */
- Pipe_ClearOUT();
-
- /* Freeze the pipe again after use */
- Pipe_Freeze();
-}
-
-/** Function to receive the given data to the device, after a response block has been received.
- *
- * \param Buffer Destination data buffer to put read bytes from the device
- * \param Bytes Number of bytes to receive
- *
- * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
- */
-uint8_t SImage_ReadData(void* Buffer, uint16_t Bytes)
-{
- uint8_t ErrorCode;
-
- /* Unfreeze the data IN pipe */
- Pipe_SelectPipe(SIMAGE_DATA_IN_PIPE);
- Pipe_Unfreeze();
-
- /* Read in the data into the buffer */
- ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes);
-
- /* Freeze the pipe again after use */
- Pipe_Freeze();
-
- return ErrorCode;
-}
-
-/** Function to test if a PIMA event block is waiting to be read in from the attached device.
- *
- * \return True if an event is waiting to be read in from the device, false otherwise
- */
-bool SImage_IsEventReceived(void)
-{
- bool IsEventReceived = false;
-
- /* Unfreeze the Event pipe */
- Pipe_SelectPipe(SIMAGE_EVENTS_PIPE);
- Pipe_Unfreeze();
-
- /* If the pipe contains data, an event has been received */
- if (Pipe_BytesInPipe())
- IsEventReceived = true;
-
- /* Freeze the pipe after use */
- Pipe_Freeze();
-
- return IsEventReceived;
-}
-
-/** Clears the stall condition in the attached device on the nominated endpoint number.
- *
- * \param EndpointNum Endpoint number in the attached device whose stall condition is to be cleared
- *
- * \return A value from the USB_Host_SendControlErrorCodes_t enum
- */
-uint8_t SImage_ClearPipeStall(const uint8_t EndpointNum)
-{
- USB_ControlRequest = (USB_Request_Header_t)
- {
- .bmRequestType = (REQDIR_HOSTTODEVICE | REQTYPE_STANDARD | REQREC_ENDPOINT),
- .bRequest = REQ_ClearFeature,
- .wValue = FEATURE_ENDPOINT_HALT,
- .wIndex = EndpointNum,
- .wLength = 0,
- };
-
- /* Select the control pipe for the request transfer */
- Pipe_SelectPipe(PIPE_CONTROLPIPE);
-
- return USB_Host_SendControlRequest(NULL);
-}
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