* <!--
* Copyright 2004 Giovanni Bajo
* Copyright 2004 Develer S.r.l. (http://www.develer.com/)
- * All Rights Reserved.
+ * This file is part of DevLib - See devlib/README for information.
* -->
*
* \version $Id$
/*
* $Log$
+ * Revision 1.3 2004/06/06 18:30:34 bernie
+ * Import DSP56800 changes from SC.
+ *
+ * Revision 1.2 2004/06/03 11:27:09 bernie
+ * Add dual-license information.
+ *
* Revision 1.1 2004/05/23 18:23:30 bernie
* Import drv/timer module.
*
#include <DSP56F807.h>
#include <compiler.h>
+#include <hw.h>
-//! The system timer for events is currently TMRA0. We prefer A/B over C/D because
-// A/B share the pin with the quadrature decoder module, and we do not need
-// pins for our system timer.
-// If you want to change this setting, you need also to modify the IRQ vector table.
-#define REG_SYSTEM_TIMER (REG_TIMER_A + 0)
-#define SYSTEM_TIMER_IRQ_VECTOR 42 /* TMRA0 */
+// Calculate register pointer and irq vector from hw.h setting
+#define REG_SYSTEM_TIMER PP_CAT(REG_TIMER_, SYSTEM_TIMER)
+#define SYSTEM_TIMER_IRQ_VECTOR PP_CAT(IRQ_TIMER_, SYSTEM_TIMER)
+//! Prescaler for the system timer
#define TIMER_PRESCALER 16
//! Frequency of the hardware high precision timer
// Small preprocessor trick to generate the REG_TIMER_CTRL_PRIMARY_IPBYNN macro
// needed to set the prescaler
- #define PP_CAT2(x,y) x ## y
- #define PP_CAT(x,y) PP_CAT2(x,y)
#define REG_CONTROL_PRESCALER PP_CAT(REG_TIMER_CTRL_PRIMARY_IPBY, TIMER_PRESCALER)
// Setup the counter and start counting