diff options
| -rw-r--r-- | firmware/drivers/button.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/firmware/drivers/button.c b/firmware/drivers/button.c index 9e00efc0ec..3e35e0eea4 100644 --- a/firmware/drivers/button.c +++ b/firmware/drivers/button.c | |||
| @@ -170,17 +170,18 @@ int button_get(void) | |||
| 170 | int portc = PCDR; | 170 | int portc = PCDR; |
| 171 | int btn = 0; | 171 | int btn = 0; |
| 172 | 172 | ||
| 173 | if ( portc & 1 ) | 173 | /* buttons are active low */ |
| 174 | if ( !(portc & 1) ) | ||
| 174 | btn |= BUTTON_LEFT; | 175 | btn |= BUTTON_LEFT; |
| 175 | if ( portc & 2 ) | 176 | if ( !(portc & 2) ) |
| 176 | btn |= BUTTON_MENU; | 177 | btn |= BUTTON_MENU; |
| 177 | if ( portc & 4 ) | 178 | if ( !(portc & 4) ) |
| 178 | btn |= BUTTON_RIGHT; | 179 | btn |= BUTTON_RIGHT; |
| 179 | if ( portc & 8 ) | 180 | if ( !(portc & 8) ) |
| 180 | btn |= BUTTON_PLAY | BUTTON_UP; | 181 | btn |= BUTTON_PLAY | BUTTON_UP; |
| 181 | if ( porta & 0x20 ) | 182 | if ( !(porta & 0x20) ) |
| 182 | btn |= BUTTON_ON; | 183 | btn |= BUTTON_ON; |
| 183 | if ( porta & 0x800 ) | 184 | if ( !(porta & 0x800) ) |
| 184 | btn |= BUTTON_STOP | BUTTON_DOWN; | 185 | btn |= BUTTON_STOP | BUTTON_DOWN; |
| 185 | 186 | ||
| 186 | return btn; | 187 | return btn; |