diff options
| author | tmk <hasu@tmk-kbd.com> | 2015-06-02 23:59:16 +0900 |
|---|---|---|
| committer | tmk <hasu@tmk-kbd.com> | 2015-06-02 23:59:16 +0900 |
| commit | 37af88217d62f22fd5d64a7b58285ce9a94d2176 (patch) | |
| tree | f1c94e5f0de80d9fac495ff11829ba9d76199f35 | |
| parent | fdce0c9cc0b7f8e9f1497cae3ea63a6672ceaf71 (diff) | |
sun_usb: Fix serial recv intrrupt trriger edge #228
| -rw-r--r-- | converter/sun_usb/config.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/converter/sun_usb/config.h b/converter/sun_usb/config.h index cfd39cd513..66036da931 100644 --- a/converter/sun_usb/config.h +++ b/converter/sun_usb/config.h @@ -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) |