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Added board hardware driver support for the Adafruit U4 breakout board.

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Fixed calculation of timer register reload values derived from F_CPU; must subtract one from the division result for the compare value to be correct.

Change AVRISP-MKII rescue clock speed to 4MHz to ensure that a 125KHz ISP speed works regardless of the target's fuses (i.e. DIV8 set).
This commit is contained in:
Dean Camera 2010-11-08 03:41:48 +00:00
parent bac860b173
commit 0ce2950d81
14 changed files with 148 additions and 13 deletions
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Demos/Device/LowLevel/AudioInput/AudioInput.c
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@ -86,7 +86,7 @@ void EVENT_USB_Device_Connect(void)
/* Sample reload timer initialization */
TIMSK0 = (1 << OCIE0A);
OCR0A = (F_CPU / 8 / AUDIO_SAMPLE_FREQUENCY) - 1;
OCR0A = ((F_CPU / 8 / AUDIO_SAMPLE_FREQUENCY) - 1);
TCCR0A = (1 << WGM01); // CTC mode
TCCR0B = (1 << CS01); // Fcpu/8 speed
}