Move AVR mega serial files to prepare the XMega patch

[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 2146620c943674e1dd939051b1467d3f3bfb15b8..ecabb9dbfa7794c1b70b1e0d508d5673edbfd70c 100644 (file)
--- a/bertos/cpu/avr/drv/timer_avr.h
+++ b/bertos/cpu/avr/drv/timer_avr.h
@@ -33,141 +33,23 @@
  *
  * \brief Low-level timer module for AVR (interface).
  *
- * \author Bernie Innocenti <bernie@codewiz.org>
- * \author Francesco Sacchi <batt@develer.com>
- * \author Luca Ottaviano <lottaviano@develer.com>
+ * \author Onno <developer@gorgoz.org>
  *
  */
 
-#ifndef DRV_TIMER_AVR_H
-#define DRV_TIMER_AVR_H
+#ifndef TIMER_AVR_H_
+#define TIMER_AVR_H_
 
-#include <hw/hw_cpufreq.h>   /* CPU_FREQ */
-
-#include "cfg/cfg_timer.h"   /* CONFIG_TIMER */
-#include <cfg/compiler.h>    /* uint8_t */
-#include <cfg/macros.h>      /* DIV_ROUND */
-
-#include <avr/io.h>
-#include <avr/interrupt.h>
-
-/**
- * \name Values for CONFIG_TIMER.
- *
- * 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
-#define TIMER_ON_OUTPUT_COMPARE2  3
-#define TIMER_ON_OVERFLOW3        4
-
-#define TIMER_DEFAULT TIMER_ON_OUTPUT_COMPARE0 ///< Default system timer
-
-/*
- * Hardware dependent timer initialization.
- */
-#if (CONFIG_TIMER == TIMER_ON_OUTPUT_COMPARE0)
-
-       #define TIMER_PRESCALER      64
-       #define TIMER_HW_BITS        8
-       #if CPU_AVR_ATMEGA1281 || CPU_AVR_ATMEGA1280 || CPU_AVR_ATMEGA168 || CPU_AVR_ATMEGA328P || CPU_AVR_ATMEGA2560
-               #define DEFINE_TIMER_ISR     DECLARE_ISR_CONTEXT_SWITCH(TIMER0_COMPA_vect)
-       #else
-               #define DEFINE_TIMER_ISR     DECLARE_ISR_CONTEXT_SWITCH(TIMER0_COMP_vect)
-       #endif
-       #define TIMER_TICKS_PER_SEC  1000
-       #define TIMER_HW_CNT         OCR_DIVISOR
-
-       /// Type of time expressed in ticks of the hardware high-precision timer
-       typedef uint8_t hptime_t;
-       #define SIZEOF_HPTIME_T 1
-
-       INLINE hptime_t timer_hw_hpread(void)
-       {
-               return TCNT0;
-       }
-
-#elif (CONFIG_TIMER == TIMER_ON_OVERFLOW1)
-
-       #define TIMER_PRESCALER      1
-       #define TIMER_HW_BITS        8
-       /** This value is the maximum in overflow based timers. */
-       #define TIMER_HW_CNT         (1 << TIMER_HW_BITS)
-       #define DEFINE_TIMER_ISR     DECLARE_ISR_CONTEXT_SWITCH(TIMER1_OVF_vect)
-       #define TIMER_TICKS_PER_SEC  DIV_ROUND(TIMER_HW_HPTICKS_PER_SEC, TIMER_HW_CNT)
-
-       /// Type of time expressed in ticks of the hardware high precision timer
-       typedef uint16_t hptime_t;
-       #define SIZEOF_HPTIME_T 2
-
-       INLINE hptime_t timer_hw_hpread(void)
-       {
-               return TCNT1;
-       }
-
-#elif (CONFIG_TIMER == TIMER_ON_OUTPUT_COMPARE2)
-
-       #define TIMER_PRESCALER      64
-       #define TIMER_HW_BITS        8
-       #if CPU_AVR_ATMEGA1281 || CPU_AVR_ATMEGA1280 || CPU_AVR_ATMEGA168 || CPU_AVR_ATMEGA328P || CPU_AVR_ATMEGA2560
-               #define DEFINE_TIMER_ISR     DECLARE_ISR_CONTEXT_SWITCH(TIMER2_COMPA_vect)
-       #else
-               #define DEFINE_TIMER_ISR     DECLARE_ISR_CONTEXT_SWITCH(TIMER2_COMP_vect)
-       #endif
-       #define TIMER_TICKS_PER_SEC  1000
-       /** Value for OCR register in output-compare based timers. */
-       #define TIMER_HW_CNT         OCR_DIVISOR
-
-       /// Type of time expressed in ticks of the hardware high precision timer
-       typedef uint8_t hptime_t;
-       #define SIZEOF_HPTIME_T 1
-
-       INLINE hptime_t timer_hw_hpread(void)
-       {
-               return TCNT2;
-       }
-
-#elif (CONFIG_TIMER == TIMER_ON_OVERFLOW3)
-
-       #define TIMER_PRESCALER      1
-       #define TIMER_HW_BITS        8
-       /** This value is the maximum in overflow based timers. */
-       #define TIMER_HW_CNT         (1 << TIMER_HW_BITS)
-       #define DEFINE_TIMER_ISR     DECLARE_ISR_CONTEXT_SWITCH(TIMER3_OVF_vect)
-       #define TIMER_TICKS_PER_SEC  DIV_ROUND(TIMER_HW_HPTICKS_PER_SEC, TIMER_HW_CNT)
-
-       /// Type of time expressed in ticks of the hardware high precision timer
-       typedef uint16_t hptime_t;
-       #define SIZEOF_HPTIME_T 2
-
-       INLINE hptime_t timer_hw_hpread(void)
-       {
-               return TCNT3;
-       }
+#include <cpu/detect.h>
 
+#if CPU_AVR_MEGA
+       #include "timer_mega.h"
+#elif CPU_AVR_XMEGA
+       #include "timer_xmega.h"
+/*#elif  Add other AVR families here */
 #else
+       #error Unknown CPU
+#endif
 
-       #error Unimplemented value for CONFIG_TIMER
-#endif /* CONFIG_TIMER */
-
-
-/** Frequency of the hardware high precision timer. */
-#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(CPU_FREQ, TIMER_PRESCALER), TIMER_TICKS_PER_SEC) - 1)
-
-/** Not needed, IRQ timer flag cleared automatically */
-#define timer_hw_irq() do {} while (0)
-
-/** Not needed, timer IRQ handler called only for timer source */
-#define timer_hw_triggered() (true)
-
-void timer_hw_init(void);
 
-#endif /* DRV_TIMER_AVR_H */
+#endif /* TIMER_AVR_H_ */