Backport F_CPU/F_USB hack from system76 (#14286)
Co-authored-by: Ryan <fauxpark@gmail.com>
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1 changed files with 6 additions and 1 deletions
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@ -1015,8 +1015,13 @@ static void setup_mcu(void) {
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MCUSR &= ~_BV(WDRF);
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wdt_disable();
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/* Disable clock division */
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// For boards running at 3.3V and crystal at 16 MHz
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#if (F_CPU == 8000000 && F_USB == 16000000)
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/* Divide clock by 2 */
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clock_prescale_set(clock_div_2);
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#else /* Disable clock division */
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clock_prescale_set(clock_div_1);
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#endif
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}
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/** \brief Setup USB
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