| 45 | |
| 46 | |
| 47 | uint8_t AnalogKeypad::pressed() |
| 48 | { |
| 49 | int rv = NOKEY; |
| 50 | |
| 51 | uint8_t _key = _rawRead(); |
| 52 | if (_key == _lastKey) // NOKEY OR REPEAT |
| 53 | { |
| 54 | rv = _lastKey; |
| 55 | } |
| 56 | else if (_key == 0 && _lastKey != 0) // RELEASE |
| 57 | { |
| 58 | _lastKey = _key; |
| 59 | rv = _lastKey; |
| 60 | } |
| 61 | else if (_key != 0 && _lastKey == 0) // PRESS |
| 62 | { |
| 63 | _lastKey = _key; |
| 64 | rv = _lastKey; |
| 65 | } |
| 66 | else if (_key != 0 && _lastKey != 0 && _key != _lastKey) // SUPPRESS CHANGE |
| 67 | { |
| 68 | rv = _lastKey; |
| 69 | } |
| 70 | |
| 71 | return rv; |
| 72 | } |
| 73 | |
| 74 | |
| 75 | uint8_t AnalogKeypad::read() |