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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 1702 | - | 1 | #include <Max3421e.h> |
| 2 | #include "controls.h" |
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| 3 | |||
| 4 | StateMachine* StateMachine::currentState = NULL; |
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| 5 | |||
| 6 | void GPInRegister::CheckControls() |
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| 7 | { |
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| 8 | int8_t enc_states[] = {0,-1,1,0,1,0,0,-1,-1,0,0,1,0,1,-1,0}; |
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| 9 | ControlStates previous = controlStates; |
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| 10 | controlStates = (pMax->gpioRd() & (GPIN_ENCODER_MASK | GPIN_ENC_BUT_MASK | GPIN_EXT_BUT_MASK)); |
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| 11 | ControlStates changes = (previous ^ controlStates); |
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| 12 | |||
| 13 | if (previous == controlStates) |
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| 14 | return; |
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| 15 | |||
| 16 | ControlEvents *state_machine = (ControlEvents*)StateMachine::GetState(); |
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| 17 | |||
| 18 | if ((changes & GPIN_ENCODER_MASK)) |
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| 19 | { |
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| 20 | uint8_t encoder = (previous & GPIN_ENCODER_MASK); |
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| 21 | encoder <<= 2; |
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| 22 | encoder |= (controlStates & GPIN_ENCODER_MASK); |
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| 23 | encoderValue += enc_states[(encoder & 0x0f)]; |
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| 24 | |||
| 25 | if (encoderValue > 3 || encoderValue < -3) |
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| 26 | { |
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| 27 | if (state_machine) |
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| 28 | state_machine->OnEncoderChanged(encoderValue >> 2); |
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| 29 | encoderValue = 0; |
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| 30 | } |
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| 31 | } |
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| 32 | if (!state_machine) |
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| 33 | return; |
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| 34 | |||
| 35 | if ((changes & GPIN_ENC_BUT_MASK)) |
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| 36 | { |
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| 37 | if ((controlStates & GPIN_ENC_BUT_MASK)) |
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| 38 | state_machine->OnEncButtonUp(); |
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| 39 | else |
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| 40 | state_machine->OnEncButtonDown(); |
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| 41 | } |
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| 42 | if ((changes & GPIN_EXT_BUT_MASK)) |
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| 43 | { |
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| 44 | if ((controlStates & GPIN_EXT_BUT_MASK)) |
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| 45 | state_machine->OnExtButtonUp(); |
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| 46 | else |
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| 47 | state_machine->OnExtButtonDown(); |
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| 48 | } |
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| 49 | } |
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| 50 |