From 39f0a6f8763ea2101ad48f4fba38359beff76716 Mon Sep 17 00:00:00 2001 From: skarg Date: Sun, 28 Oct 2007 13:32:45 +0000 Subject: [PATCH] Corrected EOL style. --- bacnet-stack/ports/atmega168/timer.c | 216 +++++++++++++-------------- 1 file changed, 108 insertions(+), 108 deletions(-) diff --git a/bacnet-stack/ports/atmega168/timer.c b/bacnet-stack/ports/atmega168/timer.c index 18553b38..c9ff3933 100644 --- a/bacnet-stack/ports/atmega168/timer.c +++ b/bacnet-stack/ports/atmega168/timer.c @@ -1,108 +1,108 @@ -/************************************************************************** -* -* Copyright (C) 2007 Steve Karg -* -* Permission is hereby granted, free of charge, to any person obtaining -* a copy of this software and associated documentation files (the -* "Software"), to deal in the Software without restriction, including -* without limitation the rights to use, copy, modify, merge, publish, -* distribute, sublicense, and/or sell copies of the Software, and to -* permit persons to whom the Software is furnished to do so, subject to -* the following conditions: -* -* The above copyright notice and this permission notice shall be included -* in all copies or substantial portions of the Software. -* -* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, -* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY -* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, -* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE -* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -* -*********************************************************************/ - -#include "hardware.h" - -/* This module is a 1 millisecond timer */ - -/* Prescaling: 1, 8, 64, 256, 1024 */ -#define TIMER_PRESCALER 64 -/* Count: Timer0 counts up to 0xFF and then signals overflow */ -#define TIMER_TICKS (F_CPU/TIMER_PRESCALER/1000) -#if (TIMER_TICKS > 0xFF) -#error Timer Prescaler value is too small -#endif -#define TIMER_COUNT (0xFF-TIMER_TICKS) -/* Global variable millisecond timer - used by main.c for timers task */ -volatile uint8_t Timer_Milliseconds = 0; -/* MS/TP Silence Timer */ -static volatile uint16_t SilenceTime; - -/* Configure the Timer */ -void Timer_Initialize(void) -{ - /* Normal Operation */ - TCCR1A = 0; - /* CSn2 CSn1 CSn0 Description - ---- ---- ---- ----------- - 0 0 0 No Clock Source - 0 0 1 No prescaling - 0 1 0 CLKio/8 - 0 1 1 CLKio/64 - 1 0 0 CLKio/256 - 1 0 1 CLKio/1024 - 1 1 0 Falling Edge of T0 (external) - 1 1 1 Rising Edge of T0 (external) - */ - TCCR0B = _BV(CS01) | _BV(CS00); - /* Clear any TOV1 Flag set when the timer overflowed */ - BIT_CLEAR(TIFR0,TOV0); - /* Initial value */ - TCNT0 = TIMER_COUNT; - /* Enable the overflow interrupt */ - BIT_SET(TIMSK0,TOIE0); - /* Clear the Power Reduction Timer/Counter0 */ - BIT_CLEAR(PRR,PRTIM0); -} - -/* Timer interupt */ -/* note: Global interupts must be enabled - sei() */ -/* Timer Overflowed! Increment the time. */ -ISR(TIMER0_OVF_vect) -{ - /* Set the counter for the next interrupt */ - TCNT0 = TIMER_COUNT; - /* Overflow Flag is automatically cleared */ - /* Update the global timer */ - if (Timer_Milliseconds < 0xFF) - Timer_Milliseconds++; - if (SilenceTime < 0xFFFF) - SilenceTime++; -} - -/* Public access to the Silence Timer */ -uint16_t Timer_Silence(void) -{ - uint16_t timer; - uint8_t sreg; - - sreg = SREG; - cli(); - timer = SilenceTime; - SREG = sreg; - - return timer; -} - -/* Public reset of the Silence Timer */ -void Timer_Silence_Reset(void) -{ - uint8_t sreg; - - sreg = SREG; - cli(); - SilenceTime = 0; - SREG = sreg; -} +/************************************************************************** +* +* Copyright (C) 2007 Steve Karg +* +* Permission is hereby granted, free of charge, to any person obtaining +* a copy of this software and associated documentation files (the +* "Software"), to deal in the Software without restriction, including +* without limitation the rights to use, copy, modify, merge, publish, +* distribute, sublicense, and/or sell copies of the Software, and to +* permit persons to whom the Software is furnished to do so, subject to +* the following conditions: +* +* The above copyright notice and this permission notice shall be included +* in all copies or substantial portions of the Software. +* +* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY +* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, +* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE +* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. +* +*********************************************************************/ + +#include "hardware.h" + +/* This module is a 1 millisecond timer */ + +/* Prescaling: 1, 8, 64, 256, 1024 */ +#define TIMER_PRESCALER 64 +/* Count: Timer0 counts up to 0xFF and then signals overflow */ +#define TIMER_TICKS (F_CPU/TIMER_PRESCALER/1000) +#if (TIMER_TICKS > 0xFF) +#error Timer Prescaler value is too small +#endif +#define TIMER_COUNT (0xFF-TIMER_TICKS) +/* Global variable millisecond timer - used by main.c for timers task */ +volatile uint8_t Timer_Milliseconds = 0; +/* MS/TP Silence Timer */ +static volatile uint16_t SilenceTime; + +/* Configure the Timer */ +void Timer_Initialize(void) +{ + /* Normal Operation */ + TCCR1A = 0; + /* CSn2 CSn1 CSn0 Description + ---- ---- ---- ----------- + 0 0 0 No Clock Source + 0 0 1 No prescaling + 0 1 0 CLKio/8 + 0 1 1 CLKio/64 + 1 0 0 CLKio/256 + 1 0 1 CLKio/1024 + 1 1 0 Falling Edge of T0 (external) + 1 1 1 Rising Edge of T0 (external) + */ + TCCR0B = _BV(CS01) | _BV(CS00); + /* Clear any TOV1 Flag set when the timer overflowed */ + BIT_CLEAR(TIFR0,TOV0); + /* Initial value */ + TCNT0 = TIMER_COUNT; + /* Enable the overflow interrupt */ + BIT_SET(TIMSK0,TOIE0); + /* Clear the Power Reduction Timer/Counter0 */ + BIT_CLEAR(PRR,PRTIM0); +} + +/* Timer interupt */ +/* note: Global interupts must be enabled - sei() */ +/* Timer Overflowed! Increment the time. */ +ISR(TIMER0_OVF_vect) +{ + /* Set the counter for the next interrupt */ + TCNT0 = TIMER_COUNT; + /* Overflow Flag is automatically cleared */ + /* Update the global timer */ + if (Timer_Milliseconds < 0xFF) + Timer_Milliseconds++; + if (SilenceTime < 0xFFFF) + SilenceTime++; +} + +/* Public access to the Silence Timer */ +uint16_t Timer_Silence(void) +{ + uint16_t timer; + uint8_t sreg; + + sreg = SREG; + cli(); + timer = SilenceTime; + SREG = sreg; + + return timer; +} + +/* Public reset of the Silence Timer */ +void Timer_Silence_Reset(void) +{ + uint8_t sreg; + + sreg = SREG; + cli(); + SilenceTime = 0; + SREG = sreg; +}