public static EEPROM_BUFFER ReadPageOptimized_SendReadData
(GpioSequence spiSeq, int startByteToSkip, int byteToRead, SPIEngine spi)
{
var nusbio = spi.Nusbio;
var eb = new EEPROM_BUFFER();
if (spiSeq.Send(nusbio))
{
var inBuffer = spiSeq.GetInputBuffer(nusbio).ToList();
if (startByteToSkip == 0)
{
inBuffer.RemoveAt(0); // Extra byte from somewhere
}
if (startByteToSkip > 0)
{
var offSetToSkip = SPIEngine.BYTES_PER_BIT * 8 * startByteToSkip; // Skip the first 3 bytes, bitbanging the command and 16 bit address
inBuffer = inBuffer.GetRange(offSetToSkip, inBuffer.Count - offSetToSkip);
}
var buffer = __spi_buf_r(byteToRead, inBuffer, spi);
for (var i = 0; i < startByteToSkip; i++) // Remove the last startByteToSkip because they were not yet sent
{
buffer.RemoveAt(buffer.Count - 1);
}
eb.Buffer = buffer.ToArray();
eb.Succeeded = true;
}
return(eb);
}
public MCP41X1_Base(Nusbio nusbio, NusbioGpio selectGpio, NusbioGpio mosiGpio, NusbioGpio misoGpio, NusbioGpio clockGpio, NusbioGpio resetGpio = NusbioGpio.None, bool debug = false)
{
this._spiEngine = new SPIEngine(nusbio, selectGpio, mosiGpio, misoGpio, clockGpio, resetGpio, debug);
this.Voltage = Nusbio.Voltage; // Nusbio is a 5 volt device
this.MaxDigitalValue = 128;
this.MinDigitalValue = 0;
}
public TC77(Nusbio nusbio,
NusbioGpio clockGpio,
NusbioGpio mosiGpio,
NusbioGpio misoGpio,
NusbioGpio selectGpio,
bool debug = false) : base(nusbio)
{
this._spi = new SPIEngine(nusbio, selectGpio, mosiGpio, misoGpio, clockGpio, NusbioGpio.None, false);
}
internal static List <byte> __spi_buf_r(int s, List <byte> outputBuf, SPIEngine spi)
{
try
{
int j = 0;
int pos = 0;
List <byte> b = new List <byte>();
var misoBit = (spi.Nusbio[spi.MisoGpio] as Gpio).Bit;
j = 1;
for (pos = 0; pos < s; pos++)
{
Byte v = 0;
Byte bit;
if (spi.BitOrder == BitOrder.MSBFIRST)
{
for (bit = (1 << 7); bit > 0; bit >>= 1)
{
if (j < outputBuf.Count)
{
if (WinUtil.BitUtil.IsSet(outputBuf[j], misoBit)) //if (buf[j++] & PIN_FMISO)
{
v |= bit;
}
}
j += 2;
}
}
else
{
throw new NotImplementedException();
}
b.Add(v);
}
return(b);
}
catch (System.Exception ex)
{
Debug.WriteLine(ex.ToString());
if (Debugger.IsAttached)
{
Debugger.Break();
}
return(null);
}
}
/*
* Create a new controler
* Params :
* dataPin pin on the Arduino where data gets shifted out
* clockPin pin for the clock
* csPin pin for selecting the device
* deviceCount maximum number of devices that can be controled
*/
public MAX7219(Nusbio nusbio, NusbioGpio selectGpio, NusbioGpio mosiGpio, NusbioGpio clockGpio, int deviceCount = 1, Int16 width = 8, Int16 height = 8) : base(width, height)
{
this._spiEngine = new SPIEngine(nusbio, selectGpio, mosiGpio, NusbioGpio.None, clockGpio);
this._nusbio = nusbio;
if (deviceCount <= 0 || deviceCount > MAX_MAX7219_CHAINABLE)
{
deviceCount = MAX_MAX7219_CHAINABLE;
}
_deviceCount = deviceCount;
for (var i = 0; i < 64; i++)
{
_pixels[i] = 0x00;
}
for (var i = 0; i < _deviceCount; i++)
{
var r1 = SpiTransfer(i, OP_DISPLAYTEST, 0);
//scanlimit is set to max on startup
// The scan-limit register sets how many digits are displayed, from 1 to 8. T
// Originally the MAX7219 is for Display 7-Segment Display from 1 to 8.
// The scan limit defines how many 7-Segment are contolled.
// Each 7-Segments require 8 LEDs time 8, it is 8 x 8 = 64.
// Since we want to handle most of the time 8x8 LEDs we need to set it to
// the max.
var r2 = SetScanLimit(i, MAX_SCAN_LIMIT - 1);
// decode is done in source
var r3 = SpiTransfer(i, OP_DECODEMODE, 0); // No decode mode, see datasheet page 7
Clear(i, refresh: true);
//we go into Shutdown-mode on startup
Shutdown(true, i);
}
}
public MCP41X1_Base(Nusbio nusbio, NusbioGpio selectGpio, NusbioGpio mosiGpio, NusbioGpio misoGpio, NusbioGpio clockGpio, NusbioGpio resetGpio = NusbioGpio.None, bool debug = false) {
this._spiEngine = new SPIEngine(nusbio, selectGpio, mosiGpio, misoGpio, clockGpio, resetGpio, debug);
this.Voltage = Nusbio.Voltage; // Nusbio is a 5 volt device
this.MaxDigitalValue = 128;
this.MinDigitalValue = 0;
}
public MCP300X_Base(int maxADConverter, Nusbio nusbio, NusbioGpio selectGpio, NusbioGpio mosiGpio,
NusbioGpio misoGpio, NusbioGpio clockGpio)
{
this._spiEngine = new SPIEngine(nusbio, selectGpio, mosiGpio, misoGpio, clockGpio);
this.MaxAdConverterConverter = maxADConverter;
}
