llvm: Fixed remaining warnings for llvm

This commit addresses warnings emitted from the llvm
compilers which were not encountered with gnu.

Signed-off-by: Noel Eck <noel.eck@intel.com>

src/am2315/am2315.hpp

@@ -197,7 +197,6 @@ class AM2315 {
         time_t    m_last_time;
 
         int       m_base_priority;
-        pthread_t this_thread;
 };
 
 }

src/bacnetmstp/device-client.c

@@ -210,7 +210,7 @@ unsigned Device_Count(
 uint32_t Device_Index_To_Instance(
     unsigned index)
 {
-    index = index;
+    //index = index;
     return Object_Instance_Number;
 }
 

src/bmpx8x/bmpx8x.hpp

@@ -196,7 +196,6 @@ class BMPX8X : public IPressureSensor, public ITemperatureSensor {
         std::string m_name;
 
         int m_controlAddr;
-        int m_bus;
         mraa::I2c m_i2ControlCtx;
 
         uint8_t oversampling;

src/bmx055/bmm150.hpp

@@ -594,8 +594,6 @@ namespace upm {
 
   private:
     bool m_isSPI;
-    // use the FIFO by default?
-    bool m_useFIFO;
 
     // return a reference to a gpio pin pointer depending on intr
     mraa::Gpio*& getPin(INTERRUPT_PINS_T intr);

src/gprs/gprs.cxx

@@ -29,8 +29,6 @@
 using namespace upm;
 using namespace std;
 
-static const int defaultDelay = 100;     // max wait time for read
-
 GPRS::GPRS(int uart) :
   m_uart(uart)
 {

src/grovegprs/grovegprs.cxx

@@ -29,8 +29,6 @@
 using namespace upm;
 using namespace std;
 
-static const int defaultDelay = 100;     // max wait time for read
-
 GroveGPRS::GroveGPRS(int uart) :
   m_uart(uart)
 {

src/hm11/hm11.cxx

@@ -31,8 +31,6 @@
 using namespace upm;
 using namespace std;
 
-static const int defaultDelay = 100;     // max wait time for read
-
 HM11::HM11(int uart)
 {
   m_ttyFd = -1;

src/ili9341/ili9341.hpp

@@ -330,8 +330,6 @@ namespace upm {
             mraa::Result rstLow();
 
         private:
-            uint8_t     m_spiBuffer[32];
-
             mraa::Gpio  m_csLCDPinCtx;
             mraa::Gpio  m_csSDPinCtx;
             mraa::Gpio  m_dcPinCtx;

src/nrf24l01/nrf24l01.hpp

@@ -420,7 +420,6 @@ class NRF24L01 {
         uint8_t                 m_power;
         uint8_t                 m_ptx;
         uint8_t                 m_payload;
-        uint8_t                 m_localAddress[5];
 
         mraa::Gpio              m_csnPinCtx;
         mraa::Gpio              m_cePinCtx;

src/pulsensor/pulsensor.hpp

@@ -104,7 +104,6 @@ private:
     uint8_t          is_pulse; /**< Is pulse check */
     uint8_t          first_beat; /**< First heartbeat */
     uint8_t          second_beat; /**< Second heartbeat */
-    uint8_t          pin; /**< Pin */
     uint8_t          ret; /**< Return value */
     mraa::Aio        pin_ctx; /**< The pin context */
 #if defined(SWIGJAVA) || defined(JAVACALLBACK)

src/t6713/t6713.hpp

@@ -141,7 +141,6 @@ class T6713 : public ICO2Sensor {
 	uint16_t getSensorData (t6713_co2::MODBUS_COMMANDS cmd);
         t6713_co2::STATUS getStatus();
 
-        int bus;
         mraa::I2c* i2c;
         mraa::Result status;
 };

src/tsl2561/tsl2561.c

@@ -209,7 +209,7 @@ upm_result_t tsl2561_compute_lux(const tsl2561_context dev, int *int_data) {
 
     // round the ratio value
     int64_t ratio = (ratio_1 + 1) >> 1;
-    unsigned int b, m;
+    unsigned int b = 0, m = 0;
 
     // CS package
     // Check if ratio <= eachBreak ?

src/tsl2561/tsl2561.cxx

@@ -154,7 +154,7 @@ TSL2561::getLux()
     // round the ratio value
     int64_t ratio = (ratio1 + 1) >> 1;
 
-    unsigned int b, m;
+    unsigned int b = 0, m = 0;
 
     // CS package
     // Check if ratio <= eachBreak ?