ALPAKA/driver-ms56xx
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small bugfix

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This commit is contained in:
dario 2024-05-17 01:23:17 +02:00
parent 142db575a7
commit 6403df9561
1 changed files with 8 additions and 6 deletions
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14
src/MS56xx.cpp
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@ -87,7 +87,7 @@ namespace sta
float sens = C_[1] + dT_ * C_[3]; float sens = C_[1] + dT_ * C_[3];
// The pressure in Pa. // The pressure in Pa.
float pressure = (D1 * sens * 4.76837158205E-7 - offset) * 3.051757813E-5; float pressure = (D1 * sens * 4.76837158203125E-7 - offset) * 3.0517578125E-5;
// Convert to desired unit. // Convert to desired unit.
pressure = convertPressure(pressure, unit); pressure = convertPressure(pressure, unit);
@ -97,13 +97,15 @@ namespace sta
float MS56xx::getTemperature() float MS56xx::getTemperature()
{ {
requestData(TEMPERATURE);
uint8_t buffer[3] = { 0x00, 0x00, 0x00 }; uint8_t buffer[3] = { 0x00, 0x00, 0x00 };
busRead(MS56xx::Operations::ADC_RESULT, buffer, 3); busRead(MS56xx::Operations::ADC_RESULT, buffer, 3);
uint32_t D2 = buffer[0] << 16 | buffer[1] << 8 | buffer[2]; uint32_t D2 = buffer[0] << 16 | buffer[1] << 8 | buffer[2];
float dT_ = D2 - C_[5]; float dT_ = D2 - C_[5];
return (2000 + dT_ * C_[6]) * 0.01; float temperature = (2000 + dT_ * C_[6]) * 0.01;
return temperature;
} }
void MS56xx::setPressureReference(float pressRef, float altRef, Unit unit /* = Unit::hPa */) void MS56xx::setPressureReference(float pressRef, float altRef, Unit unit /* = Unit::hPa */)
@ -142,19 +144,19 @@ namespace sta
case _MS5607: case _MS5607:
C_[1] = 65536L; C_[1] = 65536L;
C_[2] = 131072; C_[2] = 131072;
C_[3] = 7.8125E-3; C_[3] = 0.0078125;
C_[4] = 0.015625; C_[4] = 0.015625;
C_[5] = 256; C_[5] = 256;
C_[6] = 1.1920928955E-7; C_[6] = 1.1920928955078125E-7;
break; break;
case _MS5611: case _MS5611:
C_[1] = 32768L; C_[1] = 32768L;
C_[2] = 65536L; C_[2] = 65536L;
C_[3] = 3.90625E-3; C_[3] = 3.90625E-3;
C_[4] = 7.8125E-3; C_[4] = 0.0078125;
C_[5] = 256; C_[5] = 256;
C_[6] = 1.1920928955E-7; C_[6] = 1.1920928955078125E-7;
default: default:
break; break;
} }