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-rwxr-xr-xcores/arduino/Arduino.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/cores/arduino/Arduino.h b/cores/arduino/Arduino.h
index 07216f9..ebd374a 100755
--- a/cores/arduino/Arduino.h
+++ b/cores/arduino/Arduino.h
@@ -148,6 +148,7 @@ extern const uint8_t PROGMEM digital_pin_to_timer_PGM[];
#define NOT_A_PIN 0
#define NOT_A_PORT 0
+#ifdef ARDUINO_MAIN
#define PA 1
#define PB 2
#define PC 3
@@ -159,6 +160,7 @@ extern const uint8_t PROGMEM digital_pin_to_timer_PGM[];
#define PJ 10
#define PK 11
#define PL 12
+#endif
#define NOT_ON_TIMER 0
#define TIMER0A 1