-/*\r
- LUFA Library\r
- Copyright (C) Dean Camera, 2010.\r
- \r
- dean [at] fourwalledcubicle [dot] com\r
- www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, distribute, and sell this \r
- software and its documentation for any purpose is hereby granted\r
- without fee, provided that the above copyright notice appear in \r
- all copies and that both that the copyright notice and this\r
- permission notice and warranty disclaimer appear in supporting \r
- documentation, and that the name of the author not be used in \r
- advertising or publicity pertaining to distribution of the \r
- software without specific, written prior permission.\r
-\r
- The author disclaim all warranties with regard to this\r
- software, including all implied warranties of merchantability\r
- and fitness. In no event shall the author be liable for any\r
- special, indirect or consequential damages or any damages\r
- whatsoever resulting from loss of use, data or profits, whether\r
- in an action of contract, negligence or other tortious action,\r
- arising out of or in connection with the use or performance of\r
- this software.\r
-*/\r
-\r
-/** \file\r
- *\r
- * Still Image Device commands, to issue PIMA commands to the device for\r
- * reading device status, capacity, and other characteristics as well as\r
- * reading and writing of stored image data.\r
- */\r
-\r
-#include "StillImageCommands.h"\r
-\r
-/** PIMA block container for the block to send to the device */\r
-PIMA_Container_t PIMA_SendBlock;\r
-\r
-/** PIMA block container for the last received block from the device */\r
-PIMA_Container_t PIMA_ReceivedBlock;\r
-\r
-/** PIMA block container for the last event block received from the device */\r
-PIMA_Container_t PIMA_EventBlock;\r
-\r
-\r
-/** Function to send the PIMA command container to the attached still image device. */\r
-void SImage_SendBlockHeader(void)\r
-{\r
- /* Unfreeze the data OUT pipe ready for data transmission */\r
- Pipe_SelectPipe(SIMAGE_DATA_OUT_PIPE);\r
- Pipe_Unfreeze();\r
-\r
- /* Write the PIMA block to the data OUT pipe */\r
- Pipe_Write_Stream_LE(&PIMA_SendBlock, PIMA_COMMAND_SIZE(0));\r
- \r
- /* If the block type is a command, send its parameters (if any) */\r
- if (PIMA_SendBlock.Type == CType_CommandBlock)\r
- {\r
- /* Determine the size of the parameters in the block via the data length attribute */\r
- uint8_t ParamBytes = (PIMA_SendBlock.DataLength - PIMA_COMMAND_SIZE(0));\r
-\r
- /* Check if any parameters in the command block */\r
- if (ParamBytes)\r
- {\r
- /* Write the PIMA parameters to the data OUT pipe */\r
- Pipe_Write_Stream_LE(&PIMA_SendBlock.Params, ParamBytes);\r
- }\r
- \r
- /* Send the PIMA command block to the attached device */\r
- Pipe_ClearOUT();\r
- }\r
- \r
- /* Freeze pipe after use */\r
- Pipe_Freeze();\r
-}\r
-\r
-/** Function to receive a PIMA event container from the attached still image device.\r
- *\r
- * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
- */\r
-uint8_t SImage_ReceiveEventHeader(void)\r
-{\r
- uint8_t ErrorCode;\r
-\r
- /* Unfreeze the events pipe */\r
- Pipe_SelectPipe(SIMAGE_EVENTS_PIPE);\r
- Pipe_Unfreeze();\r
- \r
- /* Read in the event data into the global structure */\r
- ErrorCode = Pipe_Read_Stream_LE(&PIMA_EventBlock, sizeof(PIMA_EventBlock));\r
- \r
- /* Clear the pipe after read complete to prepare for next event */\r
- Pipe_ClearIN();\r
- \r
- /* Freeze the event pipe again after use */\r
- Pipe_Freeze();\r
- \r
- return ErrorCode;\r
-}\r
-\r
-/** Function to receive a PIMA response container from the attached still image device.\r
- *\r
- * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
- */\r
-uint8_t SImage_ReceiveBlockHeader(void)\r
-{\r
- uint16_t TimeoutMSRem = COMMAND_DATA_TIMEOUT_MS;\r
-\r
- /* Unfreeze the data IN pipe */\r
- Pipe_SelectPipe(SIMAGE_DATA_IN_PIPE);\r
- Pipe_Unfreeze();\r
- \r
- /* Wait until data received on the IN pipe */\r
- while (!(Pipe_IsReadWriteAllowed()))\r
- {\r
- /* Check to see if a new frame has been issued (1ms elapsed) */\r
- if (USB_INT_HasOccurred(USB_INT_HSOFI))\r
- {\r
- /* Clear the flag and decrement the timeout period counter */\r
- USB_INT_Clear(USB_INT_HSOFI);\r
- TimeoutMSRem--;\r
-\r
- /* Check to see if the timeout period for the command has elapsed */\r
- if (!(TimeoutMSRem))\r
- {\r
- /* Return error code */\r
- return PIPE_RWSTREAM_Timeout;\r
- }\r
- }\r
- \r
- Pipe_Freeze();\r
- Pipe_SelectPipe(SIMAGE_DATA_OUT_PIPE);\r
- Pipe_Unfreeze();\r
-\r
- /* Check if pipe stalled (command failed by device) */\r
- if (Pipe_IsStalled())\r
- {\r
- /* Clear the stall condition on the OUT pipe */\r
- USB_Host_ClearPipeStall(SIMAGE_DATA_OUT_PIPE);\r
-\r
- /* Return error code and break out of the loop */\r
- return PIPE_RWSTREAM_PipeStalled;\r
- }\r
-\r
- Pipe_Freeze();\r
- Pipe_SelectPipe(SIMAGE_DATA_IN_PIPE);\r
- Pipe_Unfreeze();\r
-\r
- /* Check if pipe stalled (command failed by device) */\r
- if (Pipe_IsStalled())\r
- {\r
- /* Clear the stall condition on the IN pipe */\r
- USB_Host_ClearPipeStall(SIMAGE_DATA_IN_PIPE);\r
-\r
- /* Return error code */\r
- return PIPE_RWSTREAM_PipeStalled;\r
- }\r
- \r
- /* Check to see if the device was disconnected, if so exit function */\r
- if (USB_HostState == HOST_STATE_Unattached)\r
- return PIPE_RWSTREAM_DeviceDisconnected;\r
- }\r
- \r
- /* Load in the response from the attached device */\r
- Pipe_Read_Stream_LE(&PIMA_ReceivedBlock, PIMA_COMMAND_SIZE(0));\r
- \r
- /* Check if the returned block type is a response block */\r
- if (PIMA_ReceivedBlock.Type == CType_ResponseBlock)\r
- {\r
- /* Determine the size of the parameters in the block via the data length attribute */\r
- uint8_t ParamBytes = (PIMA_ReceivedBlock.DataLength - PIMA_COMMAND_SIZE(0));\r
-\r
- /* Check if the device has returned any parameters */\r
- if (ParamBytes)\r
- {\r
- /* Read the PIMA parameters from the data IN pipe */\r
- Pipe_Read_Stream_LE(&PIMA_ReceivedBlock.Params, ParamBytes);\r
- }\r
- \r
- /* Clear pipe bank after use */\r
- Pipe_ClearIN();\r
- }\r
- \r
- /* Freeze the IN pipe after use */\r
- Pipe_Freeze();\r
- \r
- return PIPE_RWSTREAM_NoError;\r
-}\r
-\r
-/** Function to send the given data to the device, after a command block has been issued.\r
- *\r
- * \param[in] Buffer Source data buffer to send to the device\r
- * \param[in] Bytes Number of bytes to send\r
- *\r
- * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
- */\r
-uint8_t SImage_SendData(void* const Buffer, const uint16_t Bytes)\r
-{\r
- uint8_t ErrorCode;\r
-\r
- /* Unfreeze the data OUT pipe */\r
- Pipe_SelectPipe(SIMAGE_DATA_OUT_PIPE);\r
- Pipe_Unfreeze();\r
- \r
- /* Write the data contents to the pipe */\r
- ErrorCode = Pipe_Write_Stream_LE(Buffer, Bytes);\r
-\r
- /* Send the last packet to the attached device */\r
- Pipe_ClearOUT();\r
-\r
- /* Freeze the pipe again after use */\r
- Pipe_Freeze();\r
- \r
- return ErrorCode;\r
-}\r
-\r
-/** Function to receive the given data to the device, after a response block has been received.\r
- *\r
- * \param[out] Buffer Destination data buffer to put read bytes from the device\r
- * \param[in] Bytes Number of bytes to receive\r
- *\r
- * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum\r
- */\r
-uint8_t SImage_ReadData(void* const Buffer, const uint16_t Bytes)\r
-{\r
- uint8_t ErrorCode;\r
-\r
- /* Unfreeze the data IN pipe */\r
- Pipe_SelectPipe(SIMAGE_DATA_IN_PIPE);\r
- Pipe_Unfreeze();\r
-\r
- /* Read in the data into the buffer */\r
- ErrorCode = Pipe_Read_Stream_LE(Buffer, Bytes);\r
-\r
- /* Freeze the pipe again after use */\r
- Pipe_Freeze();\r
- \r
- return ErrorCode;\r
-}\r
-\r
-/** Function to test if a PIMA event block is waiting to be read in from the attached device.\r
- *\r
- * \return True if an event is waiting to be read in from the device, false otherwise\r
- */\r
-bool SImage_IsEventReceived(void)\r
-{\r
- bool IsEventReceived = false;\r
-\r
- /* Unfreeze the Event pipe */\r
- Pipe_SelectPipe(SIMAGE_EVENTS_PIPE);\r
- Pipe_Unfreeze();\r
- \r
- /* If the pipe contains data, an event has been received */\r
- if (Pipe_BytesInPipe())\r
- IsEventReceived = true;\r
- \r
- /* Freeze the pipe after use */\r
- Pipe_Freeze();\r
- \r
- return IsEventReceived;\r
-}\r
+/*
+ LUFA Library
+ Copyright (C) Dean Camera, 2010.
+
+ dean [at] fourwalledcubicle [dot] com
+ www.fourwalledcubicle.com
+*/
+
+/*
+ Copyright 2010 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 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"
+
+/** 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.
+ *
+ * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
+ */
+uint8_t SImage_ReceiveEventHeader(void)
+{
+ uint8_t ErrorCode;
+
+ /* Unfreeze the events pipe */
+ Pipe_SelectPipe(SIMAGE_EVENTS_PIPE);
+ Pipe_Unfreeze();
+
+ /* Read in the event data into the global structure */
+ ErrorCode = 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();
+
+ return ErrorCode;
+}
+
+/** Function to receive a PIMA response container from the attached still image device.
+ *
+ * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
+ */
+uint8_t SImage_ReceiveBlockHeader(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_Freeze();
+ Pipe_SelectPipe(SIMAGE_DATA_OUT_PIPE);
+ Pipe_Unfreeze();
+
+ /* Check if pipe stalled (command failed by device) */
+ if (Pipe_IsStalled())
+ {
+ /* Clear the stall condition on the OUT pipe */
+ USB_Host_ClearPipeStall(SIMAGE_DATA_OUT_PIPE);
+
+ /* Return error code and break out of the loop */
+ return PIPE_RWSTREAM_PipeStalled;
+ }
+
+ Pipe_Freeze();
+ Pipe_SelectPipe(SIMAGE_DATA_IN_PIPE);
+ Pipe_Unfreeze();
+
+ /* Check if pipe stalled (command failed by device) */
+ if (Pipe_IsStalled())
+ {
+ /* Clear the stall condition on the IN pipe */
+ USB_Host_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_HostState == HOST_STATE_Unattached)
+ return PIPE_RWSTREAM_DeviceDisconnected;
+ }
+
+ /* 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[in] Buffer Source data buffer to send to the device
+ * \param[in] Bytes Number of bytes to send
+ *
+ * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
+ */
+uint8_t SImage_SendData(void* const Buffer, const uint16_t Bytes)
+{
+ uint8_t ErrorCode;
+
+ /* Unfreeze the data OUT pipe */
+ Pipe_SelectPipe(SIMAGE_DATA_OUT_PIPE);
+ Pipe_Unfreeze();
+
+ /* Write the data contents to the pipe */
+ ErrorCode = Pipe_Write_Stream_LE(Buffer, Bytes);
+
+ /* Send the last packet to the attached device */
+ Pipe_ClearOUT();
+
+ /* Freeze the pipe again after use */
+ Pipe_Freeze();
+
+ return ErrorCode;
+}
+
+/** Function to receive the given data to the device, after a response block has been received.
+ *
+ * \param[out] Buffer Destination data buffer to put read bytes from the device
+ * \param[in] Bytes Number of bytes to receive
+ *
+ * \return A value from the Pipe_Stream_RW_ErrorCodes_t enum
+ */
+uint8_t SImage_ReadData(void* const Buffer, const 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;
+}
projects / pub / USBasp.git / blobdiff