added 12th ADC channel for Leonardo. cleaned up and corrected comments for pin functions.

variants/leonardo/pins_arduino.h

@@ -56,6 +56,7 @@ const static uint8_t A7 = 21;
 const static uint8_t A8 = 22;
 const static uint8_t A9 = 23;
 const static uint8_t A10 = 24;
+const static uint8_t A11 = 25;
 
 //	__AVR_ATmega32U4__ has an unusual mapping of pins to channels
 extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
@@ -67,41 +68,6 @@ extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
 // for the analog output (software PWM).  Analog input
 // pins are a separate set.
 
-// ATMEL ATMEGA8 & 168 / ARDUINO
-//
-//                  +-\/-+
-//            PC6  1|    |28  PC5 (AI 5)
-//      (D 0) PD0  2|    |27  PC4 (AI 4)
-//      (D 1) PD1  3|    |26  PC3 (AI 3)
-//      (D 2) PD2  4|    |25  PC2 (AI 2)
-// PWM+ (D 3) PD3  5|    |24  PC1 (AI 1)
-//      (D 4) PD4  6|    |23  PC0 (AI 0)
-//            VCC  7|    |22  GND
-//            GND  8|    |21  AREF
-//            PB6  9|    |20  AVCC
-//            PB7 10|    |19  PB5 (D 13)
-// PWM+ (D 5) PD5 11|    |18  PB4 (D 12)
-// PWM+ (D 6) PD6 12|    |17  PB3 (D 11) PWM
-//      (D 7) PD7 13|    |16  PB2 (D 10) PWM
-//      (D 8) PB0 14|    |15  PB1 (D 9) PWM
-//                  +----+
-//
-// (PWM+ indicates the additional PWM pins on the ATmega168.)
-
-// ATMEL ATMEGA1280 / ARDUINO
-//
-// 0-7 PE0-PE7   works
-// 8-13 PB0-PB5  works
-// 14-21 PA0-PA7 works 
-// 22-29 PH0-PH7 works
-// 30-35 PG5-PG0 works
-// 36-43 PC7-PC0 works
-// 44-51 PJ7-PJ0 works
-// 52-59 PL7-PL0 works
-// 60-67 PD7-PD0 works
-// A0-A7 PF0-PF7
-// A8-A15 PK0-PK7
-
 // ATMEL ATMEGA32U4 / ARDUINO LEONARDO
 //
 // D0				PD2					RXD1/INT2
@@ -110,14 +76,14 @@ extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
 // D3#				PD0		PWM8/SCL	OC0B/SCL/INT0
 // D4		A6		PD4					ADC8
 // D5#				PC6		???			OC3A/#OC4A
-// D6#		A7		PD7		FastPWM		#OC4D/ADC10
+// D6#		A8		PD7		FastPWM		#OC4D/ADC10
-// D7				PE6					INT6/AIN0
+// D7		Ain0	PE6					INT6/AIN0
 //
-// D8				PB4					ADC11/PCINT4
+// D8		A9		PB4					ADC11/PCINT4
-// D9#		A8		PB5		PWM16		OC1A/#OC4B/ADC13/PCINT5
+// D9#		A10		PB5		PWM16		OC1A/#OC4B/ADC12/PCINT5
-// D10#		A9		PB6		PWM16		OC1B/0c4B/ADC12/PCINT6
+// D10#		A11		PB6		PWM16		OC1B/0c4B/ADC13/PCINT6
 // D11#				PB7		PWM8/16		0C0A/OC1C/#RTS/PCINT7
-// D12		A10		PD6					T1/#OC4D/ADC9
+// D12		A7		PD6					T1/#OC4D/ADC9
 // D13#				PC7		PWM10		CLK0/OC4A
 //
 //			A0		PF7					ADC7
@@ -138,7 +104,6 @@ extern const uint8_t PROGMEM analog_pin_to_channel_PGM[];
 // RXLED		    PB0
 // HWB				PE2					HWB
 
-
 // these arrays map port names (e.g. port B) to the
 // appropriate addresses for various functions (e.g. reading
 // and writing)
@@ -242,35 +207,20 @@ const uint8_t PROGMEM digital_pin_to_timer_PGM[18] = {
 	NOT_ON_TIMER,
 };
 
-const uint8_t PROGMEM analog_pin_to_channel_PGM[11] = {
+const uint8_t PROGMEM analog_pin_to_channel_PGM[12] = {
-	/*
+	7,	//			A0		PF7					ADC7
-	 A0		PF7							ADC7
+	6,	//			A1		PF6					ADC6
-	 A1		PF6							ADC6
+	5,	//			A2		PF5					ADC5
-	 A2		PF5							ADC5
+	4,	//			A3		PF4					ADC4
-	 A3		PF4							ADC4
+	1,	//			A4		PF1					ADC1
-	 A4		PF1							ADC1
+	0,	//			A5		PF0					ADC0
-	 A5		PF0							ADC0
+	8,	// D4		A6		PD4					ADC8
-	 D4		A6		PD4					ADC8	 
+	9,	// D12		A7		PD6					T1/#OC4D/ADC9
-	 D6		A7		PD7		FastPWM		#OC4D/ADC10
+	10,	// D6#		A8		PD7		FastPWM		#OC4D/ADC10
-	 D9		A8		PB5		PWM16		OC1A/#OC4B/ADC13/PCINT5
+	11,	// D8		A9		PB4					ADC11/PCINT4
-	 D10	A9		PB6		PWM16		OC1B/0c4B/ADC12/PCINT6
+	12,	// D9#		A10		PB5		PWM16		OC1A/#OC4B/ADC12/PCINT5
-	 D12	A10		PD6					T1/#OC4D/ADC9
+	13	// D10#		A11		PB6		PWM16		OC1B/0c4B/ADC13/PCINT6	
-	 */
-	
-	7,
-	6,
-	5,
-	4,
-	1,
-	0,
-	8,
-	10,
-
-	13,
-	12,
-	9
 };
 
-#endif
+#endif /* ARDUINO_MAIN */
-
+#endif /* Pins_Arduino_h */
-#endif