Atmega4809 board definitions, closes #657

Arduino-IRremote · Jul 4, 2020 · ffd08fb · ffd08fb
1 parent 8abc69d
commit ffd08fb
Showing 1 changed file with 50 additions and 15 deletions.
diff --git a/src/private/IRremoteBoardDefs.h b/src/private/IRremoteBoardDefs.h
@@ -122,6 +122,12 @@
 #define BLINKLED_ON()   (PORTD |= B00000001)
 #define BLINKLED_OFF()  (PORTD &= B11111110)
 
+// Nano Every, Uno WiFi Rev2
+#elif defined(__AVR_ATmega4809__)
+#define BLINKLED        LED_BUILTIN
+#define BLINKLED_ON()   (digitalWrite(BLINKLED, HIGH))
+#define BLINKLED_OFF()  (digitalWrite(BLINKLED, LOW))
+
 #elif defined(ARDUINO_ARCH_SAMD)
 #define BLINKLED        LED_BUILTIN
 #define BLINKLED_ON()   (digitalWrite(LED_BUILTIN, HIGH))
@@ -195,6 +201,11 @@
 //#define IR_USE_TIMER4   // tx = pin 6
 //#define IR_USE_TIMER5   // tx = pin 46
 
+// Nano Every, Uno WiFi Rev2
+#elif defined(__AVR_ATmega4809__)
+#define IR_USE_TIMER_4809_1     //  tx = pin 24
+//#define IR_USE_TIMER_4809_2     // TODO tx = pin 21
+
 // Teensy 1.0
 #elif defined(__AVR_AT90USB162__)
 #define IR_USE_TIMER1     // tx = pin 17
@@ -338,11 +349,11 @@
 #define TIMER_INTR_NAME     TIMER2_COMPA_vect
 
 #define TIMER_CONFIG_KHZ(val) ({ \
-const uint8_t pwmval = SYSCLOCK / 2000 / (val); \
+const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
 TCCR2A               = _BV(WGM20); \
 TCCR2B               = _BV(WGM22) | _BV(CS20); \
 OCR2A                = pwmval; \
-OCR2B                = pwmval / (100/DUTY_CYCLE); \
+OCR2B                = pwmval * DUTY_CYCLE / 100; \
 })
 
 #define TIMER_COUNT_TOP  (SYSCLOCK * USECPERTICK / 1000000)
@@ -406,11 +417,11 @@ TCNT2  = 0; \
 #define TIMER_INTR_NAME       TIMER1_COMPA_vect
 
 #define TIMER_CONFIG_KHZ(val) ({ \
-const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
+const uint32_t pwmval = SYSCLOCK / 2000 / (val); \
 TCCR1A                = _BV(WGM11); \
 TCCR1B                = _BV(WGM13) | _BV(CS10); \
 ICR1                  = pwmval; \
-OCR1A                 = pwmval / (100/DUTY_CYCLE); \
+OCR1A                 = pwmval * DUTY_CYCLE / 100; \
 })
 
 #define TIMER_CONFIG_NORMAL() ({ \
@@ -456,11 +467,11 @@ TCNT1  = 0; \
 #define TIMER_INTR_NAME      TIMER3_COMPA_vect
 
 #define TIMER_CONFIG_KHZ(val) ({ \
-  const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
+  const uint32_t pwmval = SYSCLOCK / 2000 / (val); \
   TCCR3A = _BV(WGM31); \
   TCCR3B = _BV(WGM33) | _BV(CS30); \
   ICR3 = pwmval; \
-  OCR3A = pwmval / (100/DUTY_CYCLE); \
+  OCR3A = pwmval * DUTY_CYCLE / 100; \
 })
 
 #define TIMER_CONFIG_NORMAL() ({ \
@@ -504,16 +515,16 @@ TCNT1  = 0; \
 #define TIMER_INTR_NAME     TIMER4_OVF_vect
 
 #define TIMER_CONFIG_KHZ(val) ({ \
-const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
+const uint32_t pwmval = SYSCLOCK / 2000 / (val); \
 TCCR4A                = (1<<PWM4A); \
 TCCR4B                = _BV(CS40); \
 TCCR4C                = 0; \
 TCCR4D                = (1<<WGM40); \
 TCCR4E                = 0; \
 TC4H                  = pwmval >> 8; \
 OCR4C                 = pwmval; \
-TC4H                  = (pwmval / (100/DUTY_CYCLE)) >> 8; \
-OCR4A                 = (pwmval / (100/DUTY_CYCLE)) & 255; \
+TC4H                  = (pwmval * DUTY_CYCLE / 100) >> 8; \
+OCR4A                 = (pwmval * DUTY_CYCLE / 100) & 255; \
 })
 
 #define TIMER_CONFIG_NORMAL() ({ \
@@ -552,11 +563,11 @@ TCNT4  = 0; \
 #define TIMER_INTR_NAME     TIMER4_COMPA_vect
 
 #define TIMER_CONFIG_KHZ(val) ({ \
-  const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
+  const uint32_t pwmval = SYSCLOCK / 2000 / (val); \
   TCCR4A = _BV(WGM41); \
   TCCR4B = _BV(WGM43) | _BV(CS40); \
   ICR4 = pwmval; \
-  OCR4A = pwmval / (100/DUTY_CYCLE); \
+  OCR4A = pwmval * DUTY_CYCLE / 100; \
 })
 
 #define TIMER_CONFIG_NORMAL() ({ \
@@ -588,11 +599,11 @@ TCNT4  = 0; \
 #define TIMER_INTR_NAME     TIMER5_COMPA_vect
 
 #define TIMER_CONFIG_KHZ(val) ({ \
-  const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
+  const uint32_t pwmval = SYSCLOCK / 2000 / (val); \
   TCCR5A = _BV(WGM51); \
   TCCR5B = _BV(WGM53) | _BV(CS50); \
   ICR5 = pwmval; \
-  OCR5A = pwmval / (100/DUTY_CYCLE); \
+  OCR5A = pwmval * DUTY_CYCLE / 100; \
 })
 
 #define TIMER_CONFIG_NORMAL() ({ \
@@ -714,11 +725,11 @@ FTM1_SC = FTM_SC_CLKS(1) | FTM_SC_PS(0) | FTM_SC_TOF | FTM_SC_TOIE; \
 #define TIMER_DISABLE_INTR   (TIMSK &= ~(_BV(OCIE0A)))
 #define TIMER_INTR_NAME      TIMER0_COMPA_vect
 #define TIMER_CONFIG_KHZ(val) ({ \
-  const uint8_t pwmval = SYSCLOCK / 2000 / (val); \
+  const uint16_t pwmval = SYSCLOCK / 2000 / (val); \
   TCCR0A = _BV(WGM00); \
   TCCR0B = _BV(WGM02) | _BV(CS00); \
   OCR0A = pwmval; \
-  OCR0B = pwmval / (100/DUTY_CYCLE); \
+  OCR0B = pwmval * DUTY_CYCLE / 100; \
 })
 #define TIMER_COUNT_TOP      (SYSCLOCK * USECPERTICK / 1000000)
 #if (TIMER_COUNT_TOP < 256)
@@ -739,6 +750,30 @@ FTM1_SC = FTM_SC_CLKS(1) | FTM_SC_PS(0) | FTM_SC_TOF | FTM_SC_TOIE; \
 
 #define IR_SEND_PIN        1  /* ATtiny85 */
 
+#elif defined(IR_USE_TIMER_4809_1)
+// ATmega4809 TCB0
+#define TIMER_RESET          TCB0.INTFLAGS = TCB_CAPT_bm
+#define TIMER_ENABLE_PWM     (TCB0.CTRLB = TCB_CNTMODE_PWM8_gc)
+#define TIMER_DISABLE_PWM    (TCB0.CTRLB &= ~(TCB_CNTMODE_PWM8_gc))
+#define TIMER_ENABLE_INTR    (TCB0.INTCTRL = TCB_CAPT_bm)
+#define TIMER_DISABLE_INTR   (TCB0.INTCTRL &= ~(TCB_CAPT_bm))
+#define TIMER_INTR_NAME      TCB0_INT_vect
+#define TIMER_CONFIG_KHZ(val) ({ \
+  const uint32_t pwmval = SYSCLOCK / 2000 / (val); \
+  TCB0.CTRLB = TCB_CNTMODE_PWM8_gc; \
+  TCB0.CCMPL = pwmval; \
+  TCB0.CCMPH = pwmval * DUTY_CYCLE / 100; \
+  TCB0.CTRLA = (TCB_CLKSEL_CLKDIV1_gc) | (TCB_ENABLE_bm); \
+})
+#define TIMER_COUNT_TOP      ((SYSCLOCK * USECPERTICK / 1000000))
+#define TIMER_CONFIG_NORMAL() ({ \
+  TCB0.CTRLB = (TCB_CNTMODE_INT_gc); \
+  TCB0.CCMP = TIMER_COUNT_TOP; \
+  TCB0.INTCTRL = TCB_CAPT_bm; \
+  TCB0.CTRLA = (TCB_CLKSEL_CLKDIV1_gc) | (TCB_ENABLE_bm); \
+})
+
+#define TIMER_PWM_PIN        6  /* Nano Every, Uno WiFi Rev2 */
 //---------------------------------------------------------
 // ESP32 (ESP8266 should likely be added here too)
 //