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sun_usb: Fix serial recv intrrupt trriger edge #228

This commit is contained in:
tmk 2015-06-02 23:59:16 +09:00
parent fdce0c9cc0
commit 37af88217d
1 changed files with 8 additions and 2 deletions
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10
converter/sun_usb/config.h
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@ -56,12 +56,18 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#define SERIAL_SOFT_RXD_BIT 2
#define SERIAL_SOFT_RXD_VECT INT2_vect
/* RXD Interupt */
#ifdef SERIAL_SOFT_LOGIC_NEGATIVE
/* enable interrupt: INT2(rising edge) */
#define INTR_TRIG_EDGE ((1<<ISC21)|(1<<ISC20))
#else
/* enable interrupt: INT2(falling edge) */
#define INTR_TRIG_EDGE ((1<<ISC21)|(0<<ISC20))
#endif
#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)); \
EICRA |= INTR_TRIG_EDGE; \
EIMSK |= (1<<INT2); \
sei(); \
} while (0)