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Error checking pin config, code tidy

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This commit is contained in:
peteGSX 2022-12-20 19:41:32 +10:00
parent 2ad08029a4
commit 5170147e3e
1 changed files with 13 additions and 33 deletions
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46
IO_EXIOExpander.h
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@ -73,9 +73,6 @@ private:
_i2cAddress = i2cAddress;
_numDigitalPins = numDigitalPins;
_numAnaloguePins = numAnaloguePins;
// _digitalOutBuffer = (byte *)calloc(_numDigitalPins + 1, 1);
// _digitalInBuffer = (byte *)calloc(_numDigitalPins, 1);
_analogueValues = (uint16_t *)calloc(_numAnaloguePins, 1);
_currentAPin = _nPins - _numAnaloguePins;
int _dPinArrayLen = (_numDigitalPins + 7) / 8;
addDevice(this);
@ -87,6 +84,15 @@ private:
if (I2CManager.exists(_i2cAddress)) {
_activity = EXIOINIT; // First thing to do is configure EX-IOExpander device
DIAG(F("EX-IOExpander x%x using driver version %S"), _i2cAddress, EXIO_VERSION);
_digitalOutBuffer[0] = EXIOINIT;
_digitalOutBuffer[1] = _numDigitalPins;
_digitalOutBuffer[2] = _numAnaloguePins;
I2CManager.read(_i2cAddress, _digitalInBuffer, 1, _digitalOutBuffer, 3, &_i2crb);
if (_digitalInBuffer[0] != EXIORDY) {
DIAG(F("ERROR configuring EX-IOExpander device, I2C:x%x"), _i2cAddress);
_deviceState = DEVSTATE_FAILED;
return;
}
#ifdef DIAG_IO
_display();
#endif
@ -96,31 +102,6 @@ private:
}
}
void _loop(unsigned long currentMicros) override {
if (_i2crb.status == I2C_STATUS_PENDING) return; // Do nothing if I2C isn't ready yet
if (_i2crb.status == I2C_STATUS_OK) {
switch(_activity) {
case EXIOINIT:
// Send digital and analogue pin counts to configure EX-IOExpander
_setupBuffer[0] = EXIOINIT;
_setupBuffer[1] = _numDigitalPins;
_setupBuffer[2] = _numAnaloguePins;
I2CManager.write(_i2cAddress, _setupBuffer, 3, &_i2crb);
_activity = EXIORDY;
break;
case EXIORDY:
_analogueOutBuffer[0] = EXIORDAN;
_analogueOutBuffer[1] = _currentAPin - _numDigitalPins;
I2CManager.read(_i2cAddress, _analogueInBuffer, 2, _analogueOutBuffer, 2, &_i2crb);
_analogueValues[_currentAPin] = (_analogueInBuffer[1] << 8) + _analogueInBuffer[0];
if (++_currentAPin >= _numDigitalPins + _numAnaloguePins) _currentAPin = _nPins - _numAnaloguePins;
default:
break;
}
}
// delayUntil(currentMicros + 2000000); // Delay 2 seconds while bug fixing/developing
}
bool _configure(VPIN vpin, ConfigTypeEnum configType, int paramCount, int params[]) override {
if (configType != CONFIGURE_INPUT) return false;
if (paramCount != 1) return false;
@ -136,7 +117,10 @@ private:
int _readAnalogue(VPIN vpin) override {
int pin = vpin - _firstVpin;
return _analogueValues[pin];
_analogueOutBuffer[0] = EXIORDAN;
_analogueOutBuffer[1] = _currentAPin - _numDigitalPins;
I2CManager.read(_i2cAddress, _analogueInBuffer, 2, _analogueOutBuffer, 2, &_i2crb);
return (_analogueInBuffer[1] << 8) + _analogueInBuffer[0];
}
int _read(VPIN vpin) override {
@ -166,14 +150,10 @@ private:
uint8_t _numAnaloguePins;
int _digitalPinBytes;
int _analoguePinBytes;
uint8_t _setupBuffer[3];
// byte * _digitalOutBuffer = NULL;
// byte * _digitalInBuffer = NULL;
byte _analogueInBuffer[2];
byte _analogueOutBuffer[2];
byte _digitalOutBuffer[3];
byte _digitalInBuffer[1];
uint16_t * _analogueValues = NULL;
uint8_t _currentAPin; // Current analogue pin to read
uint8_t _activity;
I2CRB _i2crb;