/*
LUFA Library
- Copyright (C) Dean Camera, 2010.
-
+ Copyright (C) Dean Camera, 2011.
+
dean [at] fourwalledcubicle [dot] com
- www.fourwalledcubicle.com
+ www.lufa-lib.org
*/
/*
- Copyright 2010 Dean Camera (dean [at] fourwalledcubicle [dot] com)
+ Copyright 2011 Dean Camera (dean [at] fourwalledcubicle [dot] com)
- Permission to use, copy, modify, distribute, and sell this
+ 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
+ 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
+ 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
/** \file
* \brief Board specific Dataflash driver header for the Atmel USBKEY.
- *
- * Board specific Dataflash driver header for the Atmel USBKEY.
+ * \copydetails Group_Dataflash_USBKEY
*
* \note This file should not be included directly. It is automatically included as needed by the dataflash driver
* dispatch header located in LUFA/Drivers/Board/Dataflash.h.
*/
/** \ingroup Group_Dataflash
- * @defgroup Group_Dataflash_USBKEY USBKEY
+ * \defgroup Group_Dataflash_USBKEY USBKEY
+ * \brief Board specific Dataflash driver header for the Atmel USBKEY.
*
* Board specific Dataflash driver header for the Atmel USBKEY board.
*
- * \note This file should not be included directly. It is automatically included as needed by the dataflash driver
- * dispatch header located in LUFA/Drivers/Board/Dataflash.h.
- *
* @{
*/
#define __DATAFLASH_USBKEY_H__
/* Includes: */
- #include "AT45DB642D.h"
+ #include "../../Misc/AT45DB642D.h"
/* Preprocessor Checks: */
#if !defined(__INCLUDE_FROM_DATAFLASH_H)
#error Do not include this file directly. Include LUFA/Drivers/Board/Dataflash.h instead.
#endif
-
+
/* Private Interface - For use in library only: */
#if !defined(__DOXYGEN__)
/* Macros: */
#define DATAFLASH_CHIPCS_DDR DDRE
#define DATAFLASH_CHIPCS_PORT PORTE
#endif
-
+
/* Public Interface - May be used in end-application: */
/* Macros: */
/** Constant indicating the total number of dataflash ICs mounted on the selected board. */
/** Mask for the second dataflash chip selected. */
#define DATAFLASH_CHIP2 (1 << 0)
-
+
/** Internal main memory page size for the board's dataflash ICs. */
#define DATAFLASH_PAGE_SIZE 1024
/** Total number of pages inside each of the board's dataflash ICs. */
#define DATAFLASH_PAGES 8192
-
+
/* Inline Functions: */
/** Initialises the dataflash driver so that commands and data may be sent to an attached dataflash IC.
- * The AVR's SPI driver MUST be initialized before any of the dataflash commands are used.
+ * The microcontroller's SPI driver MUST be initialized before any of the dataflash commands are used.
*/
static inline void Dataflash_Init(void)
{
{
Dataflash_SelectChip(DATAFLASH_NO_CHIP);
}
-
+
/** Selects a dataflash IC from the given page number, which should range from 0 to
* ((DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS) - 1). For boards containing only one
* dataflash IC, this will select DATAFLASH_CHIP1. If the given page number is outside
static inline void Dataflash_SelectChipFromPage(const uint16_t PageAddress)
{
Dataflash_DeselectChip();
-
+
if (PageAddress >= (DATAFLASH_PAGES * DATAFLASH_TOTALCHIPS))
return;
static inline void Dataflash_ToggleSelectedChipCS(void)
{
uint8_t SelectedChipMask = Dataflash_GetSelectedChip();
-
+
Dataflash_DeselectChip();
Dataflash_SelectChip(SelectedChipMask);
}
Dataflash_ToggleSelectedChipCS();
Dataflash_SendByte(DF_CMD_GETSTATUS);
while (!(Dataflash_ReceiveByte() & DF_STATUS_READY));
- Dataflash_ToggleSelectedChipCS();
+ Dataflash_ToggleSelectedChipCS();
}
/** Sends a set of page and buffer address bytes to the currently selected dataflash IC, for use with
*/
static inline void Dataflash_SendAddressBytes(uint16_t PageAddress,
const uint16_t BufferByte)
- {
+ {
PageAddress >>= 1;
-
+
Dataflash_SendByte(PageAddress >> 5);
Dataflash_SendByte((PageAddress << 3) | (BufferByte >> 8));
Dataflash_SendByte(BufferByte);
- }
+ }
#endif
/** @} */
+
projects / pub / USBasp.git / blobdiff