X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=drv%2Ftimer_dsp56k.h;h=f86cb50b2c202aefb5a10111356e04144dbac487;hb=HEAD;hp=2b61e584a9c7d0856441c592e6236d6e5f6fa630;hpb=0fee90eca2cd56674ba7708dc113e8794327cee0;p=bertos.git

diff --git a/drv/timer_dsp56k.h b/drv/timer_dsp56k.h
deleted file mode 100755
index 2b61e584..00000000
--- a/drv/timer_dsp56k.h
+++ /dev/null
@@ -1,95 +0,0 @@
-/*!
- * \file
- * <!--
- * Copyright 2004 Giovanni Bajo
- * Copyright 2004 Develer S.r.l. (http://www.develer.com/)
- * All Rights Reserved.
- * -->
- *
- * \version $Id$
- *
- * \author Giovanni Bajo <rasky@develer.com>
- *
- * \brief Driver module for DSP56K
- */
-
-/*
- * $Log$
- * Revision 1.1  2004/05/23 18:23:30  bernie
- * Import drv/timer module.
- *
- */
-
-#ifndef DRV_TIMER_DSP56K_H
-#define DRV_TIMER_DSP56K_H
-
-#include <DSP56F807.h>
-#include <compiler.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 */
-
-#define TIMER_PRESCALER           16
-
-//! Frequency of the hardware high precision timer
-#define TIMER_HW_HPTICKS_PER_SEC           (IPBUS_FREQ / TIMER_PRESCALER)
-
-//! Type of time expressed in ticks of the hardware high precision timer
-typedef uint16_t hptime_t;
-
-static void timer_hw_init(void)
-{
-	uint16_t compare;
-
-	// Clear compare flag status and enable interrupt on compare
-	REG_SYSTEM_TIMER->SCR &= ~REG_TIMER_SCR_TCF;
-	REG_SYSTEM_TIMER->SCR |= REG_TIMER_SCR_TCFIE;
-
-	// Calculate the compare value needed to generate an interrupt exactly
-	//  TICKS_PER_SEC times each second (usually, every millisecond). Check that
-	//  the calculation is accurate, otherwise there is a precision error
-	// (probably the prescaler is too big or too small).
-	compare = TIMER_HW_HPTICKS_PER_SEC / TICKS_PER_SEC;
-	ASSERT((uint32_t)compare * TICKS_PER_SEC == IPBUS_FREQ / TIMER_PRESCALER);
-	REG_SYSTEM_TIMER->CMP1 = compare;
-
-	// The value for reload (at initializationa and after compare is met) is zero
-	REG_SYSTEM_TIMER->LOAD = 0;
-
-	// Set the interrupt priority
-	irq_setpriority(SYSTEM_TIMER_IRQ_VECTOR, IRQ_PRIORITY_SYSTEM_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
-	REG_SYSTEM_TIMER->CTRL =
-		REG_TIMER_CTRL_MODE_RISING    |          // count rising edges (normal)
-		REG_CONTROL_PRESCALER         |          // frequency (IPbus / TIMER_PRESCALER)
-		REG_TIMER_CTRL_LENGTH;                   // up to CMP1, then reload
-}
-
-INLINE void timer_hw_irq(void)
-{
-	// Clear the overflow flag so that we are ready for another interrupt
-	REG_SYSTEM_TIMER->SCR &= ~REG_TIMER_SCR_TCF;
-}
-
-INLINE hptime_t timer_hw_hpread(void)
-{
-	return REG_SYSTEM_TIMER->CNTR;
-}
-
-void system_timer_isr(void);
-
-#define DEFINE_TIMER_ISR \
-	void system_timer_isr(void)
-
-#endif /* DRV_TIMER_DSP56_H */