bool ExpanderWrite(uint8_t _data)
{
//Wire.beginTransmission(_Addr);
//Wire.Write((int)(_data) | _backlightval);
//Wire.endTransmission();
// here
// Must Send the the i2c ud + value
//trace("ew", (int)(_data) | _backlightval);
var currentBaud = this._nusbio.GetBaudRate();
var resetBaudRate = false;
if (currentBaud != MAX_BAUD_RATE)
{
resetBaudRate = true;
this._nusbio.SetBaudRate(MAX_BAUD_RATE);
}
///var r = this._i2c.Send1ByteCommand((uint8_t)(_data | _backlightval));
var r = Ii2cOutImpl.i2c_Send1ByteCommand((uint8_t)(_data | _backlightval));
if (resetBaudRate)
{
this._nusbio.SetBaudRate(currentBaud);
}
return(r);
}
/* Not faster
* bool ExpanderWriteAndPusle(uint8_t _data1, uint8_t _data2)
* {
* var currentBaud = this._nusbio.GetBaudRate();
* var resetBaudRate = false;
* if (currentBaud != MAX_BAUD_RATE)
* {
* resetBaudRate = true;
* this._nusbio.SetBaudRate(MAX_BAUD_RATE);
* }
*
* var buffer = new List<uint8_t>();
* buffer.Add((uint8_t) (_data1 | _backlightval));
* buffer.Add((uint8_t) ((_data1 | En) | _backlightval)); // pusle on
* buffer.Add((uint8_t) ((_data1 & ~En) | _backlightval)); // pusle off
*
* buffer.Add((uint8_t) (_data2 | _backlightval));
* buffer.Add((uint8_t) ((_data2 | En) | _backlightval)); // pusle on
* buffer.Add((uint8_t) ((_data2 & ~En) | _backlightval)); // pusle off
*
* var r1 = this._i2c.WriteBuffer(buffer.ToArray(), false);
*
* if (resetBaudRate)
* {
* this._nusbio.SetBaudRate(currentBaud);
* }
*
* return true;
* }*/
bool ExpanderWriteAndPusle(uint8_t _data)
{
var currentBaud = this._nusbio.GetBaudRate();
var resetBaudRate = false;
if (currentBaud != MAX_BAUD_RATE)
{
resetBaudRate = true;
this._nusbio.SetBaudRate(MAX_BAUD_RATE);
}
//var r1 = this._i2c.Send3BytesCommand(
// (uint8_t)(_data | _backlightval),
// (uint8_t)((_data | En) | _backlightval), // pusle on
// (uint8_t)((_data & ~En) | _backlightval) // pusle off
// );
var buffer = new List <byte>()
{
(uint8_t)(_data | _backlightval),
(uint8_t)((_data | En) | _backlightval), // pusle on
(uint8_t)((_data & ~En) | _backlightval) // pusle off
};
var r1 = Ii2cOutImpl.i2c_WriteBuffer(buffer.ToArray());
if (resetBaudRate)
{
this._nusbio.SetBaudRate(currentBaud);
}
return(true);
}
private UInt16 read16(uint8_t reg)
{
UInt16 value = 0;
#if OPTIMIZE_I2C_CALL
var result = this._i2c.Send1ByteRead2Bytes(reg);
if (!result.Succeeded)
{
throw new ArgumentException();
}
#else
//if(Ii2cOutImpl.i2c_WriteBuffer(new byte[1] { reg }))
//{
// var buffer = new byte[2];
// Ii2cOutImpl.i2c_ReadBuffer(buffer, buffer.Length);
// value = (System.UInt16)((buffer[0] << 8) + buffer[1]);
//}
//else throw new ArgumentException();
//if(Ii2cOutImpl.i2c_WriteBuffer(new byte[1] { reg }))
//{
// var buffer = new byte[2];
// Ii2cOutImpl.i2c_ReadBuffer(buffer, buffer.Length);
// value = (System.UInt16)((buffer[0] << 8) + buffer[1]);
//}
//else throw new ArgumentException();
var buffer = new byte[2]; // Allocate the response expected
if (Ii2cOutImpl.i2c_WriteReadBuffer(new byte[1] {
reg
}, buffer))
{
value = (System.UInt16)((buffer[0] << 8) + buffer[1]);
}
#endif
// Calling the MCP9808 too fast disrupt the chip.
// Only Sleep(40) seems to work
//System.Threading.Thread.Sleep(40);
return(value);
}
