Mercurial > hp34970-firmware / file comparison
comparison: lib/keypad/Keypad.cpp
lib/keypad/Keypad.cpp
- changeset 66
- 48f29a1d43d6
- parent 33
- 167010858b8d
equal
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| 65:d9c5eaf85fab | 66:48f29a1d43d6 |
|---|---|
| 45 | 45 |
| 46 while(_started) | 46 while(_started) |
| 47 { | 47 { |
| 48 // activate column col | 48 // activate column col |
| 49 _columns[col].write(1); | 49 _columns[col].write(1); |
| 50 ThisThread::sleep_for(5); | 50 ThisThread::sleep_for(5ms); |
| 51 for(row=0; row<_nrows; row++) | 51 for(row=0; row<_nrows; row++) |
| 52 { | 52 { |
| 53 if (_rows[row].read()) | 53 if (_rows[row].read()) |
| 54 { | 54 { |
| 55 if (_keys[row + _nrows*col] < 2) // ensure only one key is pressed in this column | 55 if (_keys[row + _nrows*col] < 2) // ensure only one key is pressed in this column |
| 69 } | 69 } |
| 70 } | 70 } |
| 71 } | 71 } |
| 72 _columns[col].write(0); | 72 _columns[col].write(0); |
| 73 col = (col+1) % _ncols; | 73 col = (col+1) % _ncols; |
| 74 ThisThread::sleep_for(5); | 74 ThisThread::sleep_for(5ms); |
| 75 } | 75 } |
| 76 } | 76 } |
| 77 | 77 |
| 78 void Keypad::attach(const keyevent_callback_t& kp_callback, | 78 void Keypad::attach(const keyevent_callback_t& kp_callback, |
| 79 const keyevent_callback_t& kr_callback) | 79 const keyevent_callback_t& kr_callback) |
