X-Git-Url: https://codewiz.org/gitweb?a=blobdiff_plain;f=bertos%2Fcpu%2Favr%2Fdrv%2Ftimer_avr.h;h=a9209bdc6d86b7cf1b3bb00f05da6bd6cf6dcb85;hb=ea1d7ca0efe2315a0785aee1acb51ae79480b87e;hp=96d05082b83f978b8c27815c1d601e36385aae2c;hpb=8dabf14299bc6b3b9fc0b4dfdeba91af82aba46c;p=bertos.git diff --git a/bertos/cpu/avr/drv/timer_avr.h b/bertos/cpu/avr/drv/timer_avr.h index 96d05082..a9209bdc 100644 --- a/bertos/cpu/avr/drv/timer_avr.h +++ b/bertos/cpu/avr/drv/timer_avr.h @@ -43,12 +43,14 @@ #ifndef DRV_TIMER_AVR_H #define DRV_TIMER_AVR_H -#include /* CPU_FREQ */ +#include /* CPU_FREQ */ -#include "cfg/cfg_timer.h" /* CONFIG_TIMER */ -#include /* uint8_t */ -#include /* DIV_ROUND */ +#include "cfg/cfg_timer.h" /* CONFIG_TIMER */ +#include /* uint8_t */ +#include /* DIV_ROUND */ +#include +#include /** * \name Values for CONFIG_TIMER. @@ -72,15 +74,21 @@ #define TIMER_PRESCALER 64 #define TIMER_HW_BITS 8 #if CPU_AVR_ATMEGA1281 || CPU_AVR_ATMEGA168 - #define DEFINE_TIMER_ISR SIGNAL(SIG_OUTPUT_COMPARE0A) + #define DEFINE_TIMER_ISR DECLARE_ISR_CONTEXT_SWITCH(TIMER0_COMPA_vect) #else - #define DEFINE_TIMER_ISR SIGNAL(SIG_OUTPUT_COMPARE0) + #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) @@ -88,28 +96,39 @@ #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 SIGNAL(SIG_OVERFLOW1) + #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_ATMEGA168 - #define DEFINE_TIMER_ISR SIGNAL(SIG_OUTPUT_COMPARE2A) + #define DEFINE_TIMER_ISR DECLARE_ISR_CONTEXT_SWITCH(TIMER2_COMPA_vect) #else - #define DEFINE_TIMER_ISR SIGNAL(SIG_OUTPUT_COMPARE2) + #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) @@ -117,11 +136,18 @@ #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 SIGNAL(SIG_OVERFLOW3) + #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; + } + #else #error Unimplemented value for CONFIG_TIMER @@ -143,5 +169,6 @@ /** 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 */