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@@ -28,10 +28,10 @@
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#endif
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// The presence of the UBRRH register is used to detect a UART.
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-#if ((port == 0 && (defined(UBRRH) || defined(UBRR0H))) || \
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- (port == 1 && defined(UBRR1H)) || \
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- (port == 2 && defined(UBRR2H)) || \
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- (port == 3 && defined(UBRR3H)))
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+#if ((SERIAL_PORT == 0 && (defined(UBRRH) || defined(UBRR0H))) || \
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+ (SERIAL_PORT == 1 && defined(UBRR1H)) || \
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+ (SERIAL_PORT == 2 && defined(UBRR2H)) || \
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+ (SERIAL_PORT == 3 && defined(UBRR3H)))
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#define HAS_UART
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#endif
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