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Update some logic

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This commit is contained in:
peteGSX 2023-06-20 09:37:19 +10:00
parent c932325120
commit 247cea6dc1
1 changed files with 80 additions and 26 deletions
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90
IO_RotaryEncoder.h
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@ -59,41 +59,77 @@
class RotaryEncoder : public IODevice {
public:
// Constructor
RotaryEncoder(VPIN firstVpin, int nPins, I2CAddress i2cAddress){
_firstVpin = firstVpin;
_nPins = nPins;
_I2CAddress = i2cAddress;
addDevice(this);
}
static void create(VPIN firstVpin, int nPins, I2CAddress i2cAddress) {
if (checkNoOverlap(firstVpin, nPins, i2cAddress)) new RotaryEncoder(firstVpin, nPins, i2cAddress);
}
private:
// Constructor
RotaryEncoder(VPIN firstVpin, int nPins, I2CAddress i2cAddress){
_firstVpin = firstVpin;
_nPins = nPins;
if (_nPins > 3) {
_nPins = 3;
DIAG(F("RotaryEncoder WARNING:%d vpins defined, only 3 supported"), _nPins);
}
_I2CAddress = i2cAddress;
addDevice(this);
}
// Initiate the device
void _begin() {
uint8_t _status;
// Attempt to initilalise device
I2CManager.begin();
if (I2CManager.exists(_I2CAddress)) {
byte _getVersion[1] = {RE_VER};
I2CManager.read(_I2CAddress, _versionBuffer, 3, _getVersion, 1);
// Send RE_OP, must receive RE_OP to be online
_sendBuffer[0] = RE_OP;
_status = I2CManager.read(_I2CAddress, _rcvBuffer, 1, _sendBuffer, 1);
if (_status == I2C_STATUS_OK) {
if (_rcvBuffer[0] == RE_OP) {
_sendBuffer[0] = RE_VER;
if (I2CManager.read(_I2CAddress, _versionBuffer, 3, _sendBuffer, 1) == I2C_STATUS_OK) {
_majorVer = _versionBuffer[0];
_minorVer = _versionBuffer[1];
_patchVer = _versionBuffer[2];
_buffer[0] = RE_OP;
I2CManager.write(_I2CAddress, _buffer, 1);
}
} else {
DIAG(F("RotaryEncoder I2C:%s garbage received: %d"), _I2CAddress.toString(), _rcvBuffer[0]);
_deviceState = DEVSTATE_FAILED;
return;
}
} else {
DIAG(F("RotaryEncoder I2C:%s ERROR connecting"), _I2CAddress.toString());
_deviceState = DEVSTATE_FAILED;
return;
}
// byte _getVersion[1] = {RE_VER};
// I2CManager.read(_I2CAddress, _versionBuffer, 3, _getVersion, 1);
// _majorVer = _versionBuffer[0];
// _minorVer = _versionBuffer[1];
// _patchVer = _versionBuffer[2];
// _buffer[0] = RE_OP;
// I2CManager.write(_I2CAddress, _buffer, 1);
#ifdef DIAG_IO
_display();
#endif
} else {
DIAG(F("RotaryEncoder I2C:%s device not found"), _I2CAddress.toString());
_deviceState = DEVSTATE_FAILED;
}
}
void _loop(unsigned long currentMicros) override {
I2CManager.read(_I2CAddress, _buffer, 1);
_position = _buffer[0];
// This here needs to have a change check, ie. position is a different value.
if (_deviceState == DEVSTATE_FAILED) return; // Return if device has failed
if (_i2crb.isBusy()) return; // Return if I2C operation still in progress
if (currentMicros - _lastPositionRead > _positionRefresh) {
_lastPositionRead = currentMicros;
_sendBuffer[0] = RE_READ;
I2CManager.read(_I2CAddress, _rcvBuffer, 1, _sendBuffer, 1, &_i2crb); // Read position from encoder
_position = _rcvBuffer[0];
// If EXRAIL is active, we need to trigger the ONCHANGE() event handler if it's in use
#if defined(EXRAIL_ACTIVE)
if (_position != _previousPosition) {
_previousPosition = _position;
@ -102,7 +138,19 @@ private:
RMFT2::changeEvent(_firstVpin, 0);
}
#endif
delayUntil(currentMicros + 100000);
}
// I2CManager.read(_I2CAddress, _buffer, 1);
// _position = _buffer[0];
// // This here needs to have a change check, ie. position is a different value.
// #if defined(EXRAIL_ACTIVE)
// if (_position != _previousPosition) {
// _previousPosition = _position;
// RMFT2::changeEvent(_firstVpin,1);
// } else {
// RMFT2::changeEvent(_firstVpin,0);
// }
// #endif
// delayUntil(currentMicros + 100000);
}
// Device specific read function
@ -122,7 +170,8 @@ private:
void _writeAnalogue(VPIN vpin, int position, uint8_t profile, uint16_t duration) override {
if (vpin == _firstVpin + 2) {
if (position >= 0 && position <= 255) {
byte _positionBuffer[2] = {RE_MOVE, position};
byte newPosition = position & 0xFF;
byte _positionBuffer[2] = {RE_MOVE, newPosition};
I2CManager.write(_I2CAddress, _positionBuffer, 2);
}
}
@ -136,15 +185,20 @@ private:
int8_t _position;
int8_t _previousPosition = 0;
uint8_t _versionBuffer[3];
uint8_t _buffer[1];
uint8_t _sendBuffer[1];
uint8_t _rcvBuffer[1];
uint8_t _majorVer = 0;
uint8_t _minorVer = 0;
uint8_t _patchVer = 0;
I2CRB _i2crb;
unsigned long _lastPositionRead = 0;
const unsigned long _positionRefresh = 100000UL; // Delay refreshing position for 100ms
enum {
RE_VER = 0xA0, // Flag to retrieve rotary encoder version from the device
RE_OP = 0xA1, // Flag for normal operation
RE_MOVE = 0xA2, // Flag for sending a position update
RE_MOVE = 0xA2, // Flag for sending a position update from the device driver to the encoder
RE_READ = 0xA3, // Flag to read the current position of the encoder
};
};