uc: fix two typos in the comments
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@ -171,7 +171,7 @@ void WDT_off(void) {
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// enable WDT
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void WDT_on(void) {
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// enable the watchdog timer (1s)
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// enable the watchdog timer (2s)
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wdt_enable(WDTO_2S);
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// set watchdog interrupt enable flag
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WDTCSR |= (1<<WDIE);
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@ -229,7 +229,7 @@ void setup()
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// Timer2 set to CTC mode (DS p.146, 154, 157)
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TCCR2A |= 1<<WGM21;
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#if DBG > 0
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// Toogle pin OC2A=PB3 on compare match
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// Toggle pin OC2A=PB3 on compare match
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TCCR2A |= 1<<COM2A0;
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#endif
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// Set PB3 as output pin
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