void AD770X::init(byte channel, byte clkDivider, byte polarity, byte gain, byte updRate) {
setNextOperation(REG_CLOCK, channel, 0);
writeClockRegister(0, clkDivider, updRate);
setNextOperation(REG_SETUP, channel, 0);
writeSetupRegister(MODE_SELF_CAL, gain, polarity, 0, 0);
while (!dataReady(channel)) {
};
}
double AD770X::readADResult(byte channel, float refOffset) {
while (!dataReady(channel)) {
};
setNextOperation(REG_DATA, channel, 1);
return readADResult() * 1.0 / 65536.0 * VRef - refOffset;
}
STDMETHODIMP ProgressWrap::SetNextOperation(IN_BSTR aNextOperationDescription,
ULONG aNextOperationsWeight)
{
LogRelFlow(("{%p} %s:enter aNextOperationDescription=%ls aNextOperationsWeight=%RU32\n", this, "Progress::setNextOperation", aNextOperationDescription, aNextOperationsWeight));
VirtualBoxBase::clearError();
HRESULT hrc;
try
{
AutoCaller autoCaller(this);
if (FAILED(autoCaller.rc()))
throw autoCaller.rc();
hrc = setNextOperation(BSTRInConverter(aNextOperationDescription).str(),
aNextOperationsWeight);
}
catch (HRESULT hrc2)
{
hrc = hrc2;
}
catch (...)
{
hrc = VirtualBoxBase::handleUnexpectedExceptions(this, RT_SRC_POS);
}
LogRelFlow(("{%p} %s: leave hrc=%Rhrc\n", this, "Progress::setNextOperation", hrc));
return hrc;
}
bool AD770X::dataReady(byte channel) {
setNextOperation(REG_CMM, channel, 1);
digitalWrite(pinCS, LOW);
byte b1 = SPI.transfer(0x0);
digitalWrite(pinCS, HIGH);
return (b1 & 0x80) == 0x0;
}