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Add version, analogue reads working

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This commit is contained in:
peteGSX 2022-12-18 09:43:11 +10:00
parent a480a5a3d2
commit c8fea3a4a7
2 changed files with 34 additions and 6 deletions
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30
IO_EXIOExpander.h
View File

@ -48,6 +48,7 @@
#include "DIAG.h"
#include "FSH.h"
#include "EX-IOExpanderPins.h"
#include "IO_EXIOExpander_version.h"
// Include user defined pin maps in myEX-IOExpander if defined
#if __has_include ("myEX-IOExpander.h")
@ -60,13 +61,13 @@
*/
class EXIOExpander : public IODevice {
public:
static void create(VPIN vpin, int nPins, uint8_t i2cAddress, byte numDigitalPins, byte numAnaloguePins) {
static void create(VPIN vpin, int nPins, uint8_t i2cAddress, int numDigitalPins, int numAnaloguePins) {
if (checkNoOverlap(vpin, nPins, i2cAddress)) new EXIOExpander(vpin, nPins, i2cAddress, numDigitalPins, numAnaloguePins);
}
private:
// Constructor
EXIOExpander(VPIN firstVpin, int nPins, uint8_t i2cAddress, byte numDigitalPins, byte numAnaloguePins) {
EXIOExpander(VPIN firstVpin, int nPins, uint8_t i2cAddress, int numDigitalPins, int numAnaloguePins) {
_firstVpin = firstVpin;
_nPins = nPins;
_i2cAddress = i2cAddress;
@ -74,8 +75,8 @@ private:
_numAnaloguePins = numAnaloguePins;
_digitalOutBuffer = (byte *)calloc(_numDigitalPins + 1, 1);
_digitalInBuffer = (byte *)calloc(_numDigitalPins, 1);
_analogueOutBuffer = (byte *)calloc(_numAnaloguePins + 1, 1);
_analogueInBuffer = (byte *)calloc(_numAnaloguePins, 1);
_analogueValues = (uint16_t *)calloc(_numAnaloguePins, 1);
_currentAPin = _nPins - _numAnaloguePins;
addDevice(this);
}
@ -84,6 +85,7 @@ private:
uint8_t _check = I2CManager.checkAddress(_i2cAddress);
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);
#ifdef DIAG_IO
_display();
#endif
@ -105,10 +107,22 @@ private:
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
}
int _readAnalogue(VPIN vpin) override {
int pin = vpin - _firstVpin;
return _analogueValues[pin];
}
void _display() override {
@ -124,8 +138,10 @@ private:
uint8_t _setupBuffer[3];
byte * _digitalOutBuffer = NULL;
byte * _digitalInBuffer = NULL;
byte * _analogueOutBuffer = NULL;
byte * _analogueInBuffer = NULL;
byte _analogueInBuffer[2];
byte _analogueOutBuffer[2];
uint16_t * _analogueValues = NULL;
uint8_t _currentAPin; // Current analogue pin to read
uint8_t _activity;
I2CRB _i2crb;
@ -134,6 +150,8 @@ private:
EXIORDY = 0xE1, // Flag we have completed setup procedure, also for EX-IO to ACK setup
EXIODDIR = 0xE2, // Flag we're sending digital pin direction configuration
EXIODPUP = 0xE3, // Flag we're sending digital pin pullup configuration
EXIOOP = 0xE4, // Flag to say we're operating normally
EXIORDAN = 0xE5, // Flag to read an analogue input
};
};

10
IO_EXIOExpander_version.h Normal file
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@ -0,0 +1,10 @@
#ifndef IO_EXIOEXPANDER_VERSION_H
#define IO_EXIOEXPANDER_VERSION_H
#include "StringFormatter.h"
#define EXIO_VERSION "0.0.1alpha"
// 0.0.1 Initial version for alpha testing
#endif