[AVR] Fix timer 0 support for AT90CANxx
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@5946 35acf78f-673a-0410-8e92-d51de3d6d3f4
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@ -70,7 +70,7 @@ void hal_lld_init(void) {
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/*
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/*
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* Timer 0 setup.
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* Timer 0 setup.
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*/
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*/
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#if defined(TCCR0A) /* Timer has multiple output comparators */
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#if defined(TCCR0B) /* Timer has multiple output comparators */
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TCCR0A = (1 << WGM01) | (0 << WGM00) | /* CTC mode. */
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TCCR0A = (1 << WGM01) | (0 << WGM00) | /* CTC mode. */
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(0 << COM0A1) | (0 << COM0A0) | /* OC0A disabled. */
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(0 << COM0A1) | (0 << COM0A0) | /* OC0A disabled. */
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(0 << COM0B1) | (0 << COM0B0); /* OC0B disabled. */
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(0 << COM0B1) | (0 << COM0B0); /* OC0B disabled. */
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@ -80,6 +80,14 @@ void hal_lld_init(void) {
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TIFR0 = (1 << OCF0A); /* Reset pending. */
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TIFR0 = (1 << OCF0A); /* Reset pending. */
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TIMSK0 = (1 << OCIE0A); /* IRQ on compare. */
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TIMSK0 = (1 << OCIE0A); /* IRQ on compare. */
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#elif defined(TCCR0A) /* AT90CAN doesn't have TCCR0B and slightly different TCCR0A */
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TCCR0A = (1 << WGM01) | (0 << WGM00) | /* CTC mode. */
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(0 << COM0A1) | (0 << COM0A0); /* OC0A disabled. */
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OCR0A = AVR_TIMER_COUNTER - 1;
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TCNT0 = 0; /* Reset counter. */
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TIFR0 = (1 << OCF0A); /* Reset pending. */
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TIMSK0 = (1 << OCIE0A); /* IRQ on compare. */
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#elif defined(TCCR0) /* Timer has single output comparator */
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#elif defined(TCCR0) /* Timer has single output comparator */
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TCCR0 = (1 << WGM01) | (0 << WGM00) | /* CTC mode. */
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TCCR0 = (1 << WGM01) | (0 << WGM00) | /* CTC mode. */
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(0 << COM01) | (0 << COM00) | /* OC0A disabled. */
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(0 << COM01) | (0 << COM00) | /* OC0A disabled. */
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