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-rw-r--r--quantum/split_common/serial.c31
1 files changed, 13 insertions, 18 deletions
diff --git a/quantum/split_common/serial.c b/quantum/split_common/serial.c
index 1315377a34..322ab8030b 100644
--- a/quantum/split_common/serial.c
+++ b/quantum/split_common/serial.c
@@ -29,36 +29,32 @@
#endif
#endif
+ #define setPinInputHigh(pin) (DDRx_ADDRESS(pin) &= ~_BV((pin) & 0xF), \
+ PORTx_ADDRESS(pin) |= _BV((pin) & 0xF))
+ #define setPinOutput(pin) (DDRx_ADDRESS(pin) |= _BV((pin) & 0xF))
+ #define writePinHigh(pin) (PORTx_ADDRESS(pin) |= _BV((pin) & 0xF))
+ #define writePinLow(pin) (PORTx_ADDRESS(pin) &= ~_BV((pin) & 0xF))
+ #define readPin(pin) ((bool)(PINx_ADDRESS(pin) & _BV((pin) & 0xF)))
+
#if SOFT_SERIAL_PIN >= D0 && SOFT_SERIAL_PIN <= D3
- #define SERIAL_PIN_DDR DDRD
- #define SERIAL_PIN_PORT PORTD
- #define SERIAL_PIN_INPUT PIND
#if SOFT_SERIAL_PIN == D0
- #define SERIAL_PIN_MASK _BV(PD0)
#define EIMSK_BIT _BV(INT0)
#define EICRx_BIT (~(_BV(ISC00) | _BV(ISC01)))
#define SERIAL_PIN_INTERRUPT INT0_vect
#elif SOFT_SERIAL_PIN == D1
- #define SERIAL_PIN_MASK _BV(PD1)
#define EIMSK_BIT _BV(INT1)
#define EICRx_BIT (~(_BV(ISC10) | _BV(ISC11)))
#define SERIAL_PIN_INTERRUPT INT1_vect
#elif SOFT_SERIAL_PIN == D2
- #define SERIAL_PIN_MASK _BV(PD2)
#define EIMSK_BIT _BV(INT2)
#define EICRx_BIT (~(_BV(ISC20) | _BV(ISC21)))
#define SERIAL_PIN_INTERRUPT INT2_vect
#elif SOFT_SERIAL_PIN == D3
- #define SERIAL_PIN_MASK _BV(PD3)
#define EIMSK_BIT _BV(INT3)
#define EICRx_BIT (~(_BV(ISC30) | _BV(ISC31)))
#define SERIAL_PIN_INTERRUPT INT3_vect
#endif
#elif SOFT_SERIAL_PIN == E6
- #define SERIAL_PIN_DDR DDRE
- #define SERIAL_PIN_PORT PORTE
- #define SERIAL_PIN_INPUT PINE
- #define SERIAL_PIN_MASK _BV(PE6)
#define EIMSK_BIT _BV(INT6)
#define EICRx_BIT (~(_BV(ISC60) | _BV(ISC61)))
#define SERIAL_PIN_INTERRUPT INT6_vect
@@ -200,33 +196,32 @@ void serial_delay_half2(void) {
inline static void serial_output(void) ALWAYS_INLINE;
inline static
void serial_output(void) {
- SERIAL_PIN_DDR |= SERIAL_PIN_MASK;
+ setPinOutput(SOFT_SERIAL_PIN);
}
// make the serial pin an input with pull-up resistor
inline static void serial_input_with_pullup(void) ALWAYS_INLINE;
inline static
void serial_input_with_pullup(void) {
- SERIAL_PIN_DDR &= ~SERIAL_PIN_MASK;
- SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
+ setPinInputHigh(SOFT_SERIAL_PIN);
}
inline static uint8_t serial_read_pin(void) ALWAYS_INLINE;
inline static
uint8_t serial_read_pin(void) {
- return !!(SERIAL_PIN_INPUT & SERIAL_PIN_MASK);
+ return !! readPin(SOFT_SERIAL_PIN);
}
inline static void serial_low(void) ALWAYS_INLINE;
inline static
void serial_low(void) {
- SERIAL_PIN_PORT &= ~SERIAL_PIN_MASK;
+ writePinLow(SOFT_SERIAL_PIN);
}
inline static void serial_high(void) ALWAYS_INLINE;
inline static
void serial_high(void) {
- SERIAL_PIN_PORT |= SERIAL_PIN_MASK;
+ writePinHigh(SOFT_SERIAL_PIN);
}
void soft_serial_initiator_init(SSTD_t *sstd_table, int sstd_table_size)
@@ -245,7 +240,7 @@ void soft_serial_target_init(SSTD_t *sstd_table, int sstd_table_size)
// Enable INT0-INT3,INT6
EIMSK |= EIMSK_BIT;
-#if SERIAL_PIN_MASK == _BV(PE6)
+#if SOFT_SERIAL_PIN == E6
// Trigger on falling edge of INT6
EICRB &= EICRx_BIT;
#else