ALPAKA/driver-ms56xx
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Updated data handling

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This commit is contained in:
dario
2024-05-16 20:41:22 +02:00
parent 5519e3664a
commit d013fbe62b
2 changed files with 35 additions and 14 deletions
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40
src/MS56xx.cpp
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@@ -42,6 +42,16 @@ namespace sta
return true;
}
void MS56xx::requestData()
{
}
bool MS56xx::hasData()
{
}
void MS56xx::setOsr(OsrLevel osr)
{
osr_ = osr;
@@ -53,28 +63,32 @@ namespace sta
delay_(MS56xx::RESET_DELAY);
}
void MS56xx::requestData(DataType type, bool blocking = false)
{
Operations op = type == DataType::PRESSURE ? D1_CONVERSION : D2_CONVERSION;
// Request the ADC to read new data.
busCommand(op + 2*this->osr_);
if (blocking)
{
delay_(osrDelay());
}
}
float MS56xx::getPressure(Unit unit /* = Unit::hPa */)
{
// Request the ADC to read temperature values.
busCommand(MS56xx::Operations::D1_CONVERSION + 2*this->osr_);
// 8.22 ms conversion according to the datasheet.
delay_(osrDelay());
// Request the ADC to read pressure values.
requestData(PRESSURE, true);
uint8_t buffer[3] = { 0x00, 0x00, 0x00 };
busRead(MS56xx::Operations::ADC_RESULT, buffer, 3);
// Difference between actual and reference temperature.
uint32_t D1 = buffer[0] << 16 | buffer[1] << 8 | buffer[2];
// Request the ADC to read pressure values.
busCommand(MS56xx::Operations::D2_CONVERSION + 2*this->osr_);
// 8.22 ms conversion according to the datasheet.
delay_(osrDelay());
// Request the ADC to read temperature values.
requestData(PRESSURE, true);
busRead(MS56xx::Operations::ADC_RESULT, buffer, 3);
uint32_t D2 = buffer[0] << 16 | buffer[1] << 8 | buffer[2];
float dT = D2 - C_[5];