/*********************************************************************
* @fn sensorTaskFxn
*
* @brief The task loop of the temperature readout task
*
* @return none
*/
static void sensorTaskFxn(UArg a0, UArg a1)
{
typedef union
{
struct
{
uint16_t tempTarget, tempLocal;
} v;
uint16_t a[2];
} Data_t;
// Register task with BLE stack
ICall_registerApp(&sensorSelfEntity, &sensorSem);
// Initialize the task
sensorTaskInit();
// Deactivate task (active only when measurement is enabled)
Task_setPri(Task_handle(&sensorTask), -1);
// Task loop
while (true)
{
if (sensorConfig == ST_CFG_SENSOR_ENABLE)
{
Data_t data;
// Read data
sensorTmp007Enable(true);
delay_ms(TEMP_MEAS_DELAY);
sensorTmp007Read(&data.v.tempLocal, &data.v.tempTarget);
sensorTmp007Enable(false);
// Update GATT
IRTemp_setParameter( SENSOR_DATA, SENSOR_DATA_LEN, data.a);
// Next cycle
delay_ms(sensorPeriod - TEMP_MEAS_DELAY);
}
else
{
delay_ms(SENSOR_DEFAULT_PERIOD);
}
}
}
/*********************************************************************
* @fn SensorTagTmp_processCharChangeEvt
*
* @brief SensorTag IR temperature event handling
*
*/
void SensorTagTmp_processCharChangeEvt(uint8_t paramID)
{
uint8_t newValue;
switch (paramID)
{
case SENSOR_CONF:
if ((sensorTestResult() & ST_IRTEMP) == 0)
{
sensorConfig = ST_CFG_ERROR;
}
if (sensorConfig != ST_CFG_ERROR)
{
IRTemp_getParameter(SENSOR_CONF, &newValue);
if (newValue == ST_CFG_SENSOR_DISABLE)
{
// Reset characteristics
initCharacteristicValue(SENSOR_DATA, 0, SENSOR_DATA_LEN);
// Deactivate task
Task_setPri(Task_handle(&sensorTask), -1);
}
else
{
Task_setPri(Task_handle(&sensorTask), SENSOR_TASK_PRIORITY);
}
sensorConfig = newValue;
}
else
{
// Make sure the previous characteristics value is restored
initCharacteristicValue(SENSOR_CONF, sensorConfig, sizeof ( uint8_t ));
}
// Make sure sensor is disabled
sensorTmp007Enable(false);
break;
case SENSOR_PERI:
IRTemp_getParameter(SENSOR_PERI, &newValue);
sensorPeriod = newValue * SENSOR_PERIOD_RESOLUTION;
break;
default:
// Should not get here
break;
}
}
