diff --git a/src/htu21d/htu21d.cpp b/src/htu21d/htu21d.cpp index 5e04cb80..c7e4683a 100644 --- a/src/htu21d/htu21d.cpp +++ b/src/htu21d/htu21d.cpp @@ -203,14 +203,13 @@ HTU21D::testSensor(void) float fTemp, fHum; float fTempMax, fTempMin; float fHumMax, fHumMin; - float fHumFirst, fTempFirst; + float fTempFirst; fprintf(stdout, "Executing Sensor Test\n" ); fHum = getHumidity(true); fTemp = getTemperature(false); fTempFirst = fTempMax = fTempMin = fTemp; - fHumFirst = fHumMax = fHumMin = fHum; // Turn on the heater to make a sensor change setHeater(true); diff --git a/src/lpd8806/lpd8806.cxx b/src/lpd8806/lpd8806.cxx index 6f0bffbf..5593dadc 100644 --- a/src/lpd8806/lpd8806.cxx +++ b/src/lpd8806/lpd8806.cxx @@ -60,13 +60,11 @@ LPD8806::LPD8806 (uint16_t pixelCount, uint8_t csn) : m_csnPinCtx(csn), m_spi(0) uint8_t latchBytes; uint16_t dataBytes, totalBytes; - uint16_t numBytes = 0; dataBytes = m_pixelsCount * 3; latchBytes = (m_pixelsCount + 31) / 32; totalBytes = dataBytes + latchBytes; if ((m_pixels = (uint8_t *) malloc(totalBytes))) { - numBytes = totalBytes; memset ( m_pixels , 0x80, dataBytes); // Init to RGB 'off' state memset (&m_pixels[dataBytes], 0 , latchBytes); // Clear latch bytes } diff --git a/src/max31723/max31723.cxx b/src/max31723/max31723.cxx index f34dd886..512d5b31 100644 --- a/src/max31723/max31723.cxx +++ b/src/max31723/max31723.cxx @@ -51,11 +51,10 @@ MAX31723::MAX31723 (int csn) : m_csnPinCtx(csn), m_spi(0) { short MAX31723::getTemperature () { - uint8_t lsb = 0; uint8_t msb = 0; short temperature = 0; - lsb = readRegister (R_TEMPERATURE_LSB); + readRegister (R_TEMPERATURE_LSB); msb = readRegister (R_TEMPERATURE_MSB); if ((msb & 0x80) != 0) { @@ -91,12 +90,11 @@ MAX31723::readRegister (uint8_t reg) { void MAX31723::writeRegister (uint8_t reg, uint8_t data) { uint8_t buffer[2] = { 0x00, 0x00 }; - uint8_t* sensorData = NULL; CSOn (); buffer[0] = reg; buffer[1] = data; - sensorData = m_spi.write(buffer, 2); + m_spi.write(buffer, 2); CSOff (); }