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https://github.com/DCC-EX/CommandStation-EX.git
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Receive/display EXIO version
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@ -84,12 +84,20 @@ private:
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_digitalOutBuffer[0] = EXIOINIT;
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_digitalOutBuffer[1] = _numDigitalPins;
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_digitalOutBuffer[2] = _numAnaloguePins;
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// Send config, if EXIORDY returned, we're good, otherwise go offline
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I2CManager.read(_i2cAddress, _digitalInBuffer, 1, _digitalOutBuffer, 3, &_i2crb);
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if (_digitalInBuffer[0] != EXIORDY) {
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DIAG(F("ERROR configuring EX-IOExpander device, I2C:x%x"), _i2cAddress);
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_deviceState = DEVSTATE_FAILED;
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return;
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}
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// Attempt to get version, if we don't get it, we don't care, don't go offline
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// Using digital buffers in reverse to save RAM
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_digitalInBuffer[0] = EXIOVER;
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I2CManager.read(_i2cAddress, _digitalOutBuffer, 3, _digitalInBuffer, 1, &_i2crb);
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_majorVer = _digitalOutBuffer[0];
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_minorVer = _digitalOutBuffer[1];
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_patchVer = _digitalOutBuffer[2];
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#ifdef DIAG_IO
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_display();
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#endif
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@ -138,12 +146,10 @@ private:
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}
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void _display() override {
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DIAG(F("EX-IOExpander I2C:x%x Configured on Vpins:%d-%d %S"), _i2cAddress, _firstVpin, _firstVpin+_nPins-1,
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_deviceState == DEVSTATE_FAILED ? F("OFFLINE") : F(""));
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// DIAG(F("EX-IOExpander x%x using driver version %S"), _i2cAddress, EXIO_VERSION);
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DIAG(F("EX-IOExpander x%x: Digital Vpins %d-%d, Analogue Vpins %d-%d"),
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_i2cAddress, _firstVpin, _firstVpin + _numDigitalPins - 1, _firstVpin + _numDigitalPins,
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_firstVpin + _nPins - 1);
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DIAG(F("EX-IOExpander I2C:x%x v%d.%d.%d: Digital Vpins %d-%d, Analogue Vpins %d-%d %S"),
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_i2cAddress, _majorVer, _minorVer, _patchVer, _firstVpin, _firstVpin + _numDigitalPins - 1,
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_firstVpin + _numDigitalPins, _firstVpin + _nPins - 1,
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_deviceState == DEVSTATE_FAILED ? F("OFFLINE") : F(""));
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}
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uint8_t _i2cAddress;
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@ -155,6 +161,9 @@ private:
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byte _analogueOutBuffer[2];
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byte _digitalOutBuffer[3];
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byte _digitalInBuffer[1];
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uint8_t _majorVer = 0;
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uint8_t _minorVer = 0;
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uint8_t _patchVer = 0;
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uint8_t _activity;
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I2CRB _i2crb;
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@ -162,7 +171,7 @@ private:
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EXIOINIT = 0xE0, // Flag to initialise setup procedure
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EXIORDY = 0xE1, // Flag we have completed setup procedure, also for EX-IO to ACK setup
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EXIODPUP = 0xE2, // Flag we're sending digital pin pullup configuration
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EXIOOP = 0xE3, // Flag to say we're operating normally
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EXIOVER = 0xE3, // Flag to get version
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EXIORDAN = 0xE4, // Flag to read an analogue input
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EXIOWRD = 0xE5, // Flag for digital write
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EXIORDD = 0xE6, // Flag to read digital input
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