/*\r
LUFA Library\r
- Copyright (C) Dean Camera, 2009.\r
+ Copyright (C) Dean Camera, 2010.\r
\r
dean [at] fourwalledcubicle [dot] com\r
www.fourwalledcubicle.com\r
*/\r
\r
/*\r
- Copyright 2009 Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
- Permission to use, copy, modify, and distribute this software\r
- and its documentation for any purpose and without fee is hereby\r
- granted, provided that the above copyright notice appear in all\r
- 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
+ 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
\r
/** \file\r
*\r
- * Board specific HWB driver header for the STK525.\r
+ * Board specific Dataflash driver header for the USBKEY.\r
*\r
* \note This file should not be included directly. It is automatically included as needed by the dataflash driver\r
* dispatch header located in LUFA/Drivers/Board/Dataflash.h.\r
*/\r
\r
+/** \ingroup Group_Dataflash\r
+ * @defgroup Group_Dataflash_USBKEY USBKEY\r
+ *\r
+ * @{\r
+ */\r
+\r
#ifndef __DATAFLASH_USBKEY_H__\r
#define __DATAFLASH_USBKEY_H__\r
\r
\r
/** Total number of pages inside each of the board's dataflash ICs. */\r
#define DATAFLASH_PAGES 8192\r
+ \r
+ /* Inline Functions: */\r
+ /** Selects a dataflash IC from the given page number, which should range from 0 to\r
+ * ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1). For boards containing only one\r
+ * dataflash IC, this will select DATAFLASH_CHIP1. If the given page number is outside\r
+ * the total number of pages contained in the boards dataflash ICs, all dataflash ICs\r
+ * are deselected.\r
+ *\r
+ * \param[in] PageAddress Address of the page to manipulate, ranging from\r
+ * ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1).\r
+ */\r
+ static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress)\r
+ {\r
+ Dataflash_DeselectChip();\r
+ \r
+ if (PageAddress >= (DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS))\r
+ return;\r
+\r
+ if (PageAddress & 0x01)\r
+ Dataflash_SelectChip(DATAFLASH_CHIP2);\r
+ else\r
+ Dataflash_SelectChip(DATAFLASH_CHIP1);\r
+ }\r
+\r
+ /** Sends a set of page and buffer address bytes to the currently selected dataflash IC, for use with\r
+ * dataflash commands which require a complete 24-byte address.\r
+ *\r
+ * \param[in] PageAddress Page address within the selected dataflash IC\r
+ * \param[in] BufferByte Address within the dataflash's buffer\r
+ */\r
+ static inline void Dataflash_SendAddressBytes(uint16_t PageAddress, const uint16_t BufferByte)\r
+ { \r
+ PageAddress >>= 1;\r
+ \r
+ Dataflash_SendByte(PageAddress >> 5);\r
+ Dataflash_SendByte((PageAddress << 3) | (BufferByte >> 8));\r
+ Dataflash_SendByte(BufferByte);\r
+ } \r
\r
#endif\r
+\r
+/** @} */\r