Rename CLOCK_FREQ macro to CPU_FREQ: now clock frequency has to be set in the makefile.

[bertos.git] / bertos / cpu / avr / drv / timer_avr.h

diff --git a/bertos/cpu/avr/drv/timer_avr.h b/bertos/cpu/avr/drv/timer_avr.h
index de46d1b7fb124f65b4fb2de15ee881a7541fe46e..96d05082b83f978b8c27815c1d601e36385aae2c 100644 (file)
--- a/bertos/cpu/avr/drv/timer_avr.h
+++ b/bertos/cpu/avr/drv/timer_avr.h
@@ -27,7 +27,7 @@
  * the GNU General Public License.
  *
  * Copyright 2003, 2004, 2005 Develer S.r.l. (http://www.develer.com/)
- * Copyright 2000 Bernardo Innocenti <bernie@develer.com>
+ * Copyright 2000 Bernie Innocenti <bernie@codewiz.org>
  *
  * -->
  *
@@ -35,7 +35,7 @@
  *
  * \version $Id$
  *
- * \author Bernardo Innocenti <bernie@develer.com>
+ * \author Bernie Innocenti <bernie@codewiz.org>
  * \author Francesco Sacchi <batt@develer.com>
  *
  */
@@ -43,9 +43,9 @@
 #ifndef DRV_TIMER_AVR_H
 #define DRV_TIMER_AVR_H
 
-#include "hw_cpu.h"        /* CLOCK_FREQ */
+#include <hw/hw_cpufreq.h>        /* CPU_FREQ */
 
-#include <cfg/cfg_timer.h>     /* CONFIG_TIMER */
+#include "cfg/cfg_timer.h"     /* CONFIG_TIMER */
 #include <cfg/compiler.h>  /* uint8_t */
 #include <cfg/macros.h>    /* DIV_ROUND */
 
@@ -55,8 +55,7 @@
  *
  * Select which hardware timer interrupt to use for system clock and softtimers.
  * \note The timer 1 overflow mode set the timer as a 24 kHz PWM.
- *
- * \{
+ * $WIZ$ timer_select = "TIMER_ON_OUTPUT_COMPARE0", "TIMER_ON_OVERFLOW1", "TIMER_ON_OUTPUT_COMPARE2", "TIMER_ON_OVERFLOW3", "TIMER_DEFAULT"
  */
 #define TIMER_ON_OUTPUT_COMPARE0  1
 #define TIMER_ON_OVERFLOW1        2
@@ -64,7 +63,6 @@
 #define TIMER_ON_OVERFLOW3        4
 
 #define TIMER_DEFAULT TIMER_ON_OUTPUT_COMPARE0 ///< Default system timer
-/* \} */
 
 /*
  * Hardware dependent timer initialization.
@@ -73,7 +71,11 @@
 
        #define TIMER_PRESCALER      64
        #define TIMER_HW_BITS        8
-       #define DEFINE_TIMER_ISR     SIGNAL(SIG_OUTPUT_COMPARE0)
+       #if CPU_AVR_ATMEGA1281 || CPU_AVR_ATMEGA168
+               #define DEFINE_TIMER_ISR     SIGNAL(SIG_OUTPUT_COMPARE0A)
+       #else
+               #define DEFINE_TIMER_ISR     SIGNAL(SIG_OUTPUT_COMPARE0)
+       #endif
        #define TIMER_TICKS_PER_SEC  1000
        #define TIMER_HW_CNT         OCR_DIVISOR
 
@@ -127,13 +129,13 @@
 
 
 /** Frequency of the hardware high precision timer. */
-#define TIMER_HW_HPTICKS_PER_SEC  DIV_ROUND(CLOCK_FREQ, TIMER_PRESCALER)
+#define TIMER_HW_HPTICKS_PER_SEC  DIV_ROUND(CPU_FREQ, TIMER_PRESCALER)
 
 /**
  * System timer: additional division after the prescaler
  * 12288000 / 64 / 192 (0..191) = 1 ms
  */
-#define OCR_DIVISOR  (DIV_ROUND(DIV_ROUND(CLOCK_FREQ, TIMER_PRESCALER), TIMER_TICKS_PER_SEC) - 1)
+#define OCR_DIVISOR  (DIV_ROUND(DIV_ROUND(CPU_FREQ, TIMER_PRESCALER), TIMER_TICKS_PER_SEC) - 1)
 
 /** Not needed, IRQ timer flag cleared automatically */
 #define timer_hw_irq() do {} while (0)