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-rw-r--r--cores/arduino/wiring_analog.c16
-rw-r--r--cores/robot/wiring_analog.c16
2 files changed, 16 insertions, 16 deletions
diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c
index 7ed0e4e..8feead9 100644
--- a/cores/arduino/wiring_analog.c
+++ b/cores/arduino/wiring_analog.c
@@ -41,22 +41,22 @@ int analogRead(uint8_t pin)
{
uint8_t low, high;
-#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#if defined(analogPinToChannel)
+#if defined(__AVR_ATmega32U4__)
+ if (pin >= 18) pin -= 18; // allow for channel or pin numbers
+#endif
+ pin = analogPinToChannel(pin);
+#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
if (pin >= 54) pin -= 54; // allow for channel or pin numbers
#elif defined(__AVR_ATmega32U4__)
if (pin >= 18) pin -= 18; // allow for channel or pin numbers
#elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644A__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__)
if (pin >= 24) pin -= 24; // allow for channel or pin numbers
-#elif defined(analogPinToChannel) && (defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__))
- pin = analogPinToChannel(pin);
#else
if (pin >= 14) pin -= 14; // allow for channel or pin numbers
#endif
-
-#if defined(__AVR_ATmega32U4__)
- pin = analogPinToChannel(pin);
- ADCSRB = (ADCSRB & ~(1 << MUX5)) | (((pin >> 3) & 0x01) << MUX5);
-#elif defined(ADCSRB) && defined(MUX5)
+
+#if defined(ADCSRB) && defined(MUX5)
// the MUX5 bit of ADCSRB selects whether we're reading from channels
// 0 to 7 (MUX5 low) or 8 to 15 (MUX5 high).
ADCSRB = (ADCSRB & ~(1 << MUX5)) | (((pin >> 3) & 0x01) << MUX5);
diff --git a/cores/robot/wiring_analog.c b/cores/robot/wiring_analog.c
index 7ed0e4e..8feead9 100644
--- a/cores/robot/wiring_analog.c
+++ b/cores/robot/wiring_analog.c
@@ -41,22 +41,22 @@ int analogRead(uint8_t pin)
{
uint8_t low, high;
-#if defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
+#if defined(analogPinToChannel)
+#if defined(__AVR_ATmega32U4__)
+ if (pin >= 18) pin -= 18; // allow for channel or pin numbers
+#endif
+ pin = analogPinToChannel(pin);
+#elif defined(__AVR_ATmega1280__) || defined(__AVR_ATmega2560__)
if (pin >= 54) pin -= 54; // allow for channel or pin numbers
#elif defined(__AVR_ATmega32U4__)
if (pin >= 18) pin -= 18; // allow for channel or pin numbers
#elif defined(__AVR_ATmega1284__) || defined(__AVR_ATmega1284P__) || defined(__AVR_ATmega644__) || defined(__AVR_ATmega644A__) || defined(__AVR_ATmega644P__) || defined(__AVR_ATmega644PA__)
if (pin >= 24) pin -= 24; // allow for channel or pin numbers
-#elif defined(analogPinToChannel) && (defined(__AVR_ATtiny25__) || defined(__AVR_ATtiny45__) || defined(__AVR_ATtiny85__))
- pin = analogPinToChannel(pin);
#else
if (pin >= 14) pin -= 14; // allow for channel or pin numbers
#endif
-
-#if defined(__AVR_ATmega32U4__)
- pin = analogPinToChannel(pin);
- ADCSRB = (ADCSRB & ~(1 << MUX5)) | (((pin >> 3) & 0x01) << MUX5);
-#elif defined(ADCSRB) && defined(MUX5)
+
+#if defined(ADCSRB) && defined(MUX5)
// the MUX5 bit of ADCSRB selects whether we're reading from channels
// 0 to 7 (MUX5 low) or 8 to 15 (MUX5 high).
ADCSRB = (ADCSRB & ~(1 << MUX5)) | (((pin >> 3) & 0x01) << MUX5);