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Use IRQ as pin #107

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Use IRQ as pin #107

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d035db8
Use IRQ as pin
facchinm Jun 5, 2019
5e6fb18
RF12.cpp - make external interrupt configurable
federicobriata Nov 15, 2024
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25 changes: 17 additions & 8 deletions RF12.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,7 @@
#if defined(__AVR_ATmega2560__) || defined(__AVR_ATmega1280__)

#define RFM_IRQ 2
#define RFM_INT INT0
#define SS_DDR DDRB
#define SS_PORT PORTB
#define SS_BIT 0
Expand All @@ -65,6 +66,7 @@
#elif defined(__AVR_ATmega644P__)

#define RFM_IRQ 10
#define RFM_INT INT0
#define SS_DDR DDRB
#define SS_PORT PORTB
#define SS_BIT 4
Expand All @@ -77,6 +79,7 @@
#elif defined(__AVR_ATtiny84__) || defined(__AVR_ATtiny44__)

#define RFM_IRQ 2
#define RFM_INT INT0
#define SS_DDR DDRB
#define SS_PORT PORTB
#define SS_BIT 1
Expand All @@ -88,10 +91,15 @@

#elif defined(__AVR_ATmega32U4__) //Arduino Leonardo

#define RFM_IRQ 0 // PD0, INT0, Digital3
#define RFM_IRQ 0 // PD0, pin 18, INT0, Digital3
#define RFM_INT INT0
//#define RFM_IRQ 2 // PD1, pin 19, INT1, Digital2
//#define RFM_INT INT1
//#define RFM_IRQ 7 // PE6, INT4, Digital7 - Adafruit Feather M0 RFM96
//#define RFM_INT INT4
#define SS_DDR DDRB
#define SS_PORT PORTB
#define SS_BIT 6 // Dig10, PB6
#define SS_BIT 6 // PB6, pin 30, Digital10

#define SPI_SS 10 // PB6, pin 30, Digital10
#define SPI_MISO 14 // PB3, pin 11, Digital14
Expand All @@ -102,6 +110,7 @@

// ATmega168, ATmega328, etc.
#define RFM_IRQ 2 // 2=JeeNode, 18=JeeNode pin change
#define RFM_INT INT0
//#define RFM_IRQ 1 // PCINT1=JeeNode Block pin change
#define SS_DDR DDRB
#define SS_PORT PORTB
Expand Down Expand Up @@ -294,7 +303,7 @@ uint16_t rf12_control(uint16_t cmd) {
bitClear(PCICR, PCIE2);
#endif
#else
bitClear(EIMSK, INT0);
bitClear(EIMSK, RFM_INT);
#endif
uint16_t r = rf12_xferSlow(cmd);
#if PINCHG_IRQ
Expand All @@ -306,13 +315,13 @@ uint16_t rf12_control(uint16_t cmd) {
bitSet(PCICR, PCIE2);
#endif
#else
bitSet(EIMSK, INT0);
bitSet(EIMSK, RFM_INT);
#endif
#else
// ATtiny
bitClear(GIMSK, INT0);
bitClear(GIMSK, RFM_INT);
uint16_t r = rf12_xferSlow(cmd);
bitSet(GIMSK, INT0);
bitSet(GIMSK, RFM_INT);
#endif
return r;
}
Expand Down Expand Up @@ -686,9 +695,9 @@ uint8_t rf12_initialize (uint8_t id, uint8_t band, uint8_t g, uint16_t f) {
#endif
#else
if ((nodeid & NODE_ID) != 0)
attachInterrupt(0, rf12_interrupt, LOW);
attachInterrupt(digitalPinToInterrupt(RFM_IRQ), rf12_interrupt, LOW);
else
detachInterrupt(0);
detachInterrupt(digitalPinToInterrupt(RFM_IRQ));
#endif

return nodeid;
Expand Down