Refactor to use new protocol module and sipo.
[bertos.git] / drv / timer_dsp56k.h
diff --git a/drv/timer_dsp56k.h b/drv/timer_dsp56k.h
deleted file mode 100755 (executable)
index 2b61e58..0000000
+++ /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 */