Diff: flash/flash.h

Revision:

0:0a841b89d614

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flash/flash.h	Mon Oct 11 10:34:55 2010 +0000
@@ -0,0 +1,113 @@
+/****************************************************************************
+ *    Copyright 2010 Andy Kirkham, Stellar Technologies Ltd
+ *    
+ *    This file is part of the Satellite Observers Workbench (SOWB).
+ *
+ *    SOWB 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, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    SOWB 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 SOWB.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ *    $Id: main.cpp 5 2010-07-12 20:51:11Z ajk $
+ *    
+ ***************************************************************************/
+
+#ifndef FLASH_H
+#define FLASH_H
+
+#define FLASH_PAGE_SIZE 256
+
+#define FLASH_WIP_TEST_TIME 2
+
+#define FLASH_WREN      0x06
+#define FLASH_WRDI      0x04
+#define FLASH_RDID      0x9F
+#define FLASH_RDSR      0x05
+#define FLASH_WRSR      0x01
+#define FLASH_READ      0x03
+#define FLASH_FAST_READ 0x0B
+#define FLASH_PP        0x02
+#define FLASH_SE        0xD8
+#define FLASH_BE        0xC7
+
+#define DMA_CHANNEL_ENABLE  1
+//#define DMA_CHANNEL_SRC_PERIPHERAL_SSP1_RX  (3UL << 1)
+//#define DMA_CHANNEL_SRC_PERIPHERAL_SSP1_TX  (2UL << 1)
+//#define DMA_CHANNEL_DST_PERIPHERAL_SSP1_RX  (3UL << 6)
+//#define DMA_CHANNEL_DST_PERIPHERAL_SSP1_TX  (2UL << 6)
+#define DMA_CHANNEL_SRC_PERIPHERAL_SSP0_RX  (1UL << 1)
+#define DMA_CHANNEL_SRC_PERIPHERAL_SSP0_TX  (0UL << 1)
+#define DMA_CHANNEL_DST_PERIPHERAL_SSP0_RX  (1UL << 6)
+#define DMA_CHANNEL_DST_PERIPHERAL_SSP0_TX  (0UL << 6)
+#define DMA_CHANNEL_SRC_INC                 (1UL << 26)
+#define DMA_CHANNEL_DST_INC                 (1UL << 27)
+#define DMA_CHANNEL_TCIE                    (1UL << 31)
+#define DMA_TRANSFER_TYPE_M2M               (0UL << 11)
+#define DMA_TRANSFER_TYPE_M2P               (1UL << 11)
+#define DMA_TRANSFER_TYPE_P2M               (2UL << 11)
+#define DMA_TRANSFER_TYPE_P2P               (3UL << 11)
+#define DMA_MASK_IE                         (1UL << 14)
+#define DMA_MASK_ITC                        (1UL << 15)
+#define DMA_LOCK                            (1UL << 16)
+#define DMA_ACTIVE                          (1UL << 17)
+#define DMA_HALT                            (1UL << 18)
+
+#define FLASH_SHORT_COMMAND(x)              \
+    SSP0_WRITE_BYTE(x);                     \
+    while(SSP0_IS_BUSY);                    \
+    SSP0_FLUSH_RX_FIFO;
+
+#define FLASH_LONG_COMMAND(x,y)             \
+    SSP0_WRITE_BYTE(x);                     \
+    SSP0_WRITE_BYTE((y >> 8) & (0xFF));     \
+    SSP0_WRITE_BYTE(y & 0xFF);              \
+    SSP0_WRITE_BYTE(0);                     \
+    while(SSP0_IS_BUSY);                    \
+    SSP0_FLUSH_RX_FIFO;
+    
+#define FLASH_WAIT_WHILE_WIP                \
+    SSP0_CS_ASSERT;                         \
+    FLASH_SHORT_COMMAND(FLASH_RDSR);        \
+    SSP0_FLUSH_RX_FIFO;                     \
+    do {                                    \
+        SSP0_WRITE_BYTE(0);                 \
+    }                                       \
+    while (LPC_SSP0->DR & 0x1);             \
+    SSP0_CS_DEASSERT;
+    
+
+/* Defined in flash.c */
+void flash_init(void);
+void flash_process(void);
+char flash_getc(bool peek);
+void flash_seek(unsigned int addr);
+
+/* Defined in flash_read.c */
+bool flash_read_in_progress(void);
+void  flash_read_page(unsigned int page_address, char *buffer, bool block);
+
+/* Defined in flash_write.c */
+int  flash_erase_sector(int sector);
+bool flash_write_in_progress(void);
+bool flash_sector_erase_in_progress(void);
+int  flash_page_write(int page, char *buffer);
+
+/* Defined in flash_erase.c */
+bool flash_sector_erase_in_progress(void);
+int flash_erase_sector(int sector);
+int flash_erase_bulk(void);
+
+/* Defined in 25AA02E44.c */
+void _25AA02E48_init(void);
+void _25AA02E48_mac_addr(char *);
+void _25AA02E48_mac_addr_printable(char *, char);
+
+#endif