tmk
9 years ago
1 changed files with 8 additions and 2 deletions
+ 8
- 2
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) | |||
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