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-rw-r--r--boards.txt30
-rw-r--r--[-rwxr-xr-x]cores/arduino/wiring.c11
-rw-r--r--cores/arduino/wiring_analog.c24
-rw-r--r--[-rwxr-xr-x]cores/arduino/wiring_digital.c22
-rw-r--r--variants/leonardo/pins_arduino.h2
5 files changed, 61 insertions, 28 deletions
diff --git a/boards.txt b/boards.txt
index 018a7fa..ded7572 100644
--- a/boards.txt
+++ b/boards.txt
@@ -144,21 +144,21 @@ mega.build.variant=mega
##############################################################
-#leonardo.name=Arduino Leonardo
-#leonardo.upload.protocol=arduino
-#leonardo.upload.maximum_size=28672
-#leonardo.upload.speed=1200
-#leonardo.bootloader.low_fuses=0xde
-#leonardo.bootloader.high_fuses=0xd8
-#leonardo.bootloader.extended_fuses=0xcb
-#leonardo.bootloader.path=diskloader
-#leonardo.bootloader.file=DiskLoader-Leonardo.hex
-#leonardo.bootloader.unlock_bits=0x3F
-#leonardo.bootloader.lock_bits=0x2F
-#leonardo.build.mcu=atmega32u4
-#leonardo.build.f_cpu=16000000L
-#leonardo.build.core=arduino
-#leonardo.build.variant=leonardo
+leonardo.name=Arduino Leonardo
+leonardo.upload.protocol=arduino
+leonardo.upload.maximum_size=28672
+leonardo.upload.speed=1200
+leonardo.bootloader.low_fuses=0xde
+leonardo.bootloader.high_fuses=0xd8
+leonardo.bootloader.extended_fuses=0xcb
+leonardo.bootloader.path=diskloader
+leonardo.bootloader.file=DiskLoader-Leonardo.hex
+leonardo.bootloader.unlock_bits=0x3F
+leonardo.bootloader.lock_bits=0x2F
+leonardo.build.mcu=atmega32u4
+leonardo.build.f_cpu=16000000L
+leonardo.build.core=arduino
+leonardo.build.variant=leonardo
##############################################################
diff --git a/cores/arduino/wiring.c b/cores/arduino/wiring.c
index e7f7cde..9c264d0 100755..100644
--- a/cores/arduino/wiring.c
+++ b/cores/arduino/wiring.c
@@ -278,12 +278,21 @@ void init()
sbi(TCCR3B, CS30);
sbi(TCCR3A, WGM30); // put timer 3 in 8-bit phase correct pwm mode
#endif
-
+
+#if defined(TCCR4A) && defined(TCCR4B) && defined(TCCR4D) /* beginning of timer4 block for 32U4 and similar */
+ sbi(TCCR4A, COM4A1); // clear channel A on output compare match
+ sbi(TCCR4C, COM4D1); // clear channel D on output compare match
+ sbi(TCCR4B, CS42); // set timer4 prescale factor to 64
+ sbi(TCCR4B, CS41);
+ sbi(TCCR4B, CS40);
+ sbi(TCCR4D, WGM40); // put timer 4 in phase- and frequency-correct PWM mode
+#else /* beginning of timer4 block for ATMEGA1280 and ATMEGA2560 */
#if defined(TCCR4B) && defined(CS41) && defined(WGM40)
sbi(TCCR4B, CS41); // set timer 4 prescale factor to 64
sbi(TCCR4B, CS40);
sbi(TCCR4A, WGM40); // put timer 4 in 8-bit phase correct pwm mode
#endif
+#endif /* end timer4 block for ATMEGA1280/2560 and similar */
#if defined(TCCR5B) && defined(CS51) && defined(WGM50)
sbi(TCCR5B, CS51); // set timer 5 prescale factor to 64
diff --git a/cores/arduino/wiring_analog.c b/cores/arduino/wiring_analog.c
index 902b153..db6cb7e 100644
--- a/cores/arduino/wiring_analog.c
+++ b/cores/arduino/wiring_analog.c
@@ -204,14 +204,18 @@ void analogWrite(uint8_t pin, int val)
break;
#endif
- #if defined(TCCR4A) && defined(COM4A1)
+ #if defined(TCCR4A)
case TIMER4A:
- // connect pwm to pin on timer 4, channel A
+ //connect pwm to pin on timer 4, channel A
+ #if defined(PWM4A) /* ATMEGA32U4 and related */
+ sbi(TCCR4A, PWM4A);
+ #elif defined(COM4A1) /* ATMEGA1280/2560 and related */
sbi(TCCR4A, COM4A1);
- OCR4A = val; // set pwm duty
+ #endif
+ OCR4A = val; // set pwm duty
break;
#endif
-
+
#if defined(TCCR4A) && defined(COM4B1)
case TIMER4B:
// connect pwm to pin on timer 4, channel B
@@ -228,14 +232,17 @@ void analogWrite(uint8_t pin, int val)
break;
#endif
- #if defined(TCCR4A) && defined(COM4D1)
- case TIMER4D:
+ #if defined(TCCR4C)
+ case TIMER4D:
// connect pwm to pin on timer 4, channel D
- sbi(TCCR4A, COM4D1);
- OCR4D = val; // set pwm duty
+ #if defined(PWM4D) /* ATMEGA32U4 and related */
+ sbi(TCCR4C, PWM4D);
+ #endif
+ OCR4D = val; // set pwm duty
break;
#endif
+
#if defined(TCCR5A) && defined(COM5A1)
case TIMER5A:
// connect pwm to pin on timer 5, channel A
@@ -270,3 +277,4 @@ void analogWrite(uint8_t pin, int val)
}
}
}
+
diff --git a/cores/arduino/wiring_digital.c b/cores/arduino/wiring_digital.c
index 97ef134..112defc 100755..100644
--- a/cores/arduino/wiring_digital.c
+++ b/cores/arduino/wiring_digital.c
@@ -105,15 +105,31 @@ static void turnOffPWM(uint8_t timer)
case TIMER3C: cbi(TCCR3A, COM3C1); break;
#endif
- #if defined(TCCR4A) && defined(COM4A1)
- case TIMER4A: cbi(TCCR4A, COM4A1); break;
- #endif
+ #if defined(TCCR4A)
+ case TIMER4A:
+ #if defined(PWM4A)
+ cbi(TCCR4A, PWM4A);
+ #elif defined(COM4A1)
+ cbi(TCCR4A, COM4A1);
+ #endif
+ break;
+ #endif
+
#if defined(TCCR4A) && defined(COM4B1)
case TIMER4B: cbi(TCCR4A, COM4B1); break;
#endif
#if defined(TCCR4A) && defined(COM4C1)
case TIMER4C: cbi(TCCR4A, COM4C1); break;
#endif
+
+ #if defined(TCCR4C)
+ case TIMER4D:
+ #if defined(PWM4D)
+ cbi(TCCR4C, PWM4D);
+ #endif
+ break;
+ #endif
+
#if defined(TCCR5A)
case TIMER5A: cbi(TCCR5A, COM5A1); break;
case TIMER5B: cbi(TCCR5A, COM5B1); break;
diff --git a/variants/leonardo/pins_arduino.h b/variants/leonardo/pins_arduino.h
index 15afb4e..0a0c574 100644
--- a/variants/leonardo/pins_arduino.h
+++ b/variants/leonardo/pins_arduino.h
@@ -212,7 +212,7 @@ const uint8_t PROGMEM digital_pin_to_bit_mask_PGM[30] = {
_BV(6), // D29 / D12 - A11 - PD6
};
-const uint8_t PROGMEM digital_pin_to_timer_PGM[18] = {
+const uint8_t PROGMEM digital_pin_to_timer_PGM[16] = {
NOT_ON_TIMER,
NOT_ON_TIMER,
NOT_ON_TIMER,