-#ifdef __AVR_ATmega32U4__
-# define SERIAL_RX_VECT USART1_RX_vect
-# define SERIAL_RX_DATA UDR1
-# define SERIAL_RX_BAUD 1200
-# define SERIAL_RX_UBBR ((F_CPU/(16UL*SERIAL_RX_BAUD))-1)
-# define SERIAL_RX_INIT() do { \
- UBRR1L = (uint8_t) SERIAL_RX_UBBR; \
- UBRR1H = (uint8_t) (SERIAL_RX_UBBR>>8); \
- UCSR1B |= (1<<RXCIE1) | (1<<RXEN1); \
- } while(0)
-#else
-# error "Serial(USART) configuration is needed."
-#endif
+#define SERIAL_SOFT_BAUD 1200
+#define SERIAL_SOFT_PARITY_NONE
+#define SERIAL_SOFT_BIT_ORDER_LSB
+#define SERIAL_SOFT_LOGIC_NEGATIVE
+/* RXD Port */
+#define SERIAL_SOFT_RXD_ENABLE
+#define SERIAL_SOFT_RXD_DDR DDRD
+#define SERIAL_SOFT_RXD_PORT PORTD
+#define SERIAL_SOFT_RXD_PIN PIND
+#define SERIAL_SOFT_RXD_BIT 2
+#define SERIAL_SOFT_RXD_VECT INT2_vect
+/* RXD Interupt */
+#define SERIAL_SOFT_RXD_INIT() do { \
+ /* pin configuration: input with pull-up */ \
+ SERIAL_SOFT_RXD_DDR &= ~(1<<SERIAL_SOFT_RXD_BIT); \
+ SERIAL_SOFT_RXD_PORT |= (1<<SERIAL_SOFT_RXD_BIT); \
+ /* enable interrupt: INT2(rising edge) */ \
+ EICRA |= ((1<<ISC21)|(1<<ISC20)); \
+ EIMSK |= (1<<INT2); \
+ sei(); \
+} while (0)
+#define SERIAL_SOFT_RXD_INT_ENTER()
+#define SERIAL_SOFT_RXD_INT_EXIT() do { \
+ /* clear interrupt flag */ \
+ EIFR = (1<<INTF2); \
+} while (0)
+#define SERIAL_SOFT_RXD_READ() (SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT))
+/* TXD Port */
+#define SERIAL_SOFT_TXD_ENABLE
+#define SERIAL_SOFT_TXD_DDR DDRD
+#define SERIAL_SOFT_TXD_PORT PORTD
+#define SERIAL_SOFT_TXD_PIN PIND
+#define SERIAL_SOFT_TXD_BIT 3
+#define SERIAL_SOFT_TXD_HI() do { SERIAL_SOFT_TXD_PORT |= (1<<SERIAL_SOFT_TXD_BIT); } while (0)
+#define SERIAL_SOFT_TXD_LO() do { SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); } while (0)
+#define SERIAL_SOFT_TXD_INIT() do { \
+ /* pin configuration: output */ \
+ SERIAL_SOFT_TXD_DDR |= (1<<SERIAL_SOFT_TXD_BIT); \
+ /* idle */ \
+ SERIAL_SOFT_TXD_ON(); \
+} while (0)