Diff: flash/ssp0.h

Revision:

0:0a841b89d614

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flash/ssp0.h	Mon Oct 11 10:34:55 2010 +0000
@@ -0,0 +1,53 @@
+/****************************************************************************
+ *    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 SSP0_H
+#define SSP0_H
+
+#define FLASH_SSP_INIT_CPSR 2
+#define _25AA02E48_SSP_INIT_CPSR 0x64
+
+
+#define SSP0_TX_FIFO_SPACE_AVAILABLE  \
+    LPC_SSP0->SR & (1UL << 1)
+
+#define SSP0_TX_FIFO_NOT_EMPTY \
+    (!(SSP0_TX_FIFO_SPACE_AVAILABLE))
+
+#define SSP0_IS_BUSY \
+    LPC_SSP0->SR & (1UL << 4)
+
+#define SSP0_FLUSH_RX_FIFO  \
+    while(LPC_SSP0->SR & (1UL << 2)) { \
+        unsigned int dev_null = LPC_SSP0->DR; \
+    }
+
+#define SSP0_WRITE_BYTE(byte)         \
+    while(!SSP0_TX_FIFO_SPACE_AVAILABLE);  \
+    LPC_SSP0->DR=(uint32_t)(byte&0xFF)
+    
+
+void SSP0_init(void);
+bool SSP0_request(void);
+void SSP0_release(void);
+
+#endif