From 30a3e1570d74be9efa0a1a09d6fc9ec979627f99 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Fri, 13 May 2011 01:27:22 -0700 Subject: altos-avr: Initial OS port to AVR This is working with output to the serial line Signed-off-by: Keith Packard --- src-avr/at45db161d.h | 45 +++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 45 insertions(+) create mode 100644 src-avr/at45db161d.h (limited to 'src-avr/at45db161d.h') diff --git a/src-avr/at45db161d.h b/src-avr/at45db161d.h new file mode 100644 index 00000000..9ee6f1b6 --- /dev/null +++ b/src-avr/at45db161d.h @@ -0,0 +1,45 @@ +/* + * Copyright © 2010 Keith Packard + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; version 2 of the License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. + */ + +/* Defines for the Atmel AT45DB161D 16Mbit SPI Bus DataFlash® */ + +#ifndef _AT45DB161D_H_ +#define _AT45DB161D_H_ + +/* + * We reserve the last block on the device for + * configuration space. Writes and reads in this + * area return errors. + */ + + +#define FLASH_READ 0x03 +#define FLASH_WRITE 0x82 +#define FLASH_PAGE_ERASE 0x81 +#define FLASH_READ_STATUS 0xd7 +#define FLASH_SET_CONFIG 0x3d + +#define FLASH_SET_512_BYTE_0 0x2a +#define FLASH_SET_512_BYTE_1 0x80 +#define FLASH_SET_512_BYTE_2 0xa6 + +#define FLASH_STATUS_RDY (1 << 7) +#define FLASH_STATUS_COMP (1 << 6) +#define FLASH_STATUS_PROTECT (1 << 1) +#define FLASH_STATUS_PAGESIZE_512 (1 << 0) + +#endif /* _AT45DB161D_H_ */ -- cgit v1.2.3