Wunused-but-set-variable: Fixed all unused but set variables

This commit addresses all warnings emitted from
-Wunused-but-set-variable in the C++ src.

Signed-off-by: Noel Eck <noel.eck@intel.com>
This commit is contained in:
Noel Eck 2016-11-02 22:45:52 -07:00
parent ee27485218
commit 33471436bf
3 changed files with 3 additions and 8 deletions

View File

@ -203,14 +203,13 @@ HTU21D::testSensor(void)
float fTemp, fHum; float fTemp, fHum;
float fTempMax, fTempMin; float fTempMax, fTempMin;
float fHumMax, fHumMin; float fHumMax, fHumMin;
float fHumFirst, fTempFirst; float fTempFirst;
fprintf(stdout, "Executing Sensor Test\n" ); fprintf(stdout, "Executing Sensor Test\n" );
fHum = getHumidity(true); fHum = getHumidity(true);
fTemp = getTemperature(false); fTemp = getTemperature(false);
fTempFirst = fTempMax = fTempMin = fTemp; fTempFirst = fTempMax = fTempMin = fTemp;
fHumFirst = fHumMax = fHumMin = fHum;
// Turn on the heater to make a sensor change // Turn on the heater to make a sensor change
setHeater(true); setHeater(true);

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@ -60,13 +60,11 @@ LPD8806::LPD8806 (uint16_t pixelCount, uint8_t csn) : m_csnPinCtx(csn), m_spi(0)
uint8_t latchBytes; uint8_t latchBytes;
uint16_t dataBytes, totalBytes; uint16_t dataBytes, totalBytes;
uint16_t numBytes = 0;
dataBytes = m_pixelsCount * 3; dataBytes = m_pixelsCount * 3;
latchBytes = (m_pixelsCount + 31) / 32; latchBytes = (m_pixelsCount + 31) / 32;
totalBytes = dataBytes + latchBytes; totalBytes = dataBytes + latchBytes;
if ((m_pixels = (uint8_t *) malloc(totalBytes))) { if ((m_pixels = (uint8_t *) malloc(totalBytes))) {
numBytes = totalBytes;
memset ( m_pixels , 0x80, dataBytes); // Init to RGB 'off' state memset ( m_pixels , 0x80, dataBytes); // Init to RGB 'off' state
memset (&m_pixels[dataBytes], 0 , latchBytes); // Clear latch bytes memset (&m_pixels[dataBytes], 0 , latchBytes); // Clear latch bytes
} }

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@ -51,11 +51,10 @@ MAX31723::MAX31723 (int csn) : m_csnPinCtx(csn), m_spi(0) {
short short
MAX31723::getTemperature () { MAX31723::getTemperature () {
uint8_t lsb = 0;
uint8_t msb = 0; uint8_t msb = 0;
short temperature = 0; short temperature = 0;
lsb = readRegister (R_TEMPERATURE_LSB); readRegister (R_TEMPERATURE_LSB);
msb = readRegister (R_TEMPERATURE_MSB); msb = readRegister (R_TEMPERATURE_MSB);
if ((msb & 0x80) != 0) { if ((msb & 0x80) != 0) {
@ -91,12 +90,11 @@ MAX31723::readRegister (uint8_t reg) {
void void
MAX31723::writeRegister (uint8_t reg, uint8_t data) { MAX31723::writeRegister (uint8_t reg, uint8_t data) {
uint8_t buffer[2] = { 0x00, 0x00 }; uint8_t buffer[2] = { 0x00, 0x00 };
uint8_t* sensorData = NULL;
CSOn (); CSOn ();
buffer[0] = reg; buffer[0] = reg;
buffer[1] = data; buffer[1] = data;
sensorData = m_spi.write(buffer, 2); m_spi.write(buffer, 2);
CSOff (); CSOff ();
} }