void SetCalibData(void){
/* Test user or factory temperature sensor calibration value */
if ( testUserCalibData() == ENABLE ) calibdata = *USER_CALIB_DATA;
else if ( testFactoryCalibData() == ENABLE ) calibdata = *FACTORY_CALIB_DATA;
else {
calibdata.TS_CAL_COLD = DEFAULT_COLD_VAL;
calibdata.TS_CAL_HOT = DEFAULT_HOT_VAL;
writeCalibData(&calibdata);
calibdata = *USER_CALIB_DATA;
}
}
int main(void)
{
/*!< At this stage the microcontroller clock setting is already configured,
this is done through SystemInit() function which is called from startup
file (startup_stm32l1xx_md.s) before to branch to application main.
To reconfigure the default setting of SystemInit() function, refer to
system_stm32l1xx.c file
*/
/* Configure Clocks for Application need */
RCC_Configuration();
/* Configure RTC Clocks */
RTC_Configuration();
/* Set internal voltage regulator to 1.8V */
PWR_VoltageScalingConfig(PWR_VoltageScaling_Range1);
/* Wait Until the Voltage Regulator is ready */
while (PWR_GetFlagStatus(PWR_FLAG_VOS) != RESET) ;
/* Enable debug features in low power modes (Sleep, STOP and STANDBY) */
#ifdef DEBUG_SWD_PIN
DBGMCU_Config(DBGMCU_SLEEP | DBGMCU_STOP | DBGMCU_STANDBY, ENABLE);
#endif
/* Configure SysTick IRQ and SysTick Timer to generate interrupts */
RCC_GetClocksFreq(&RCC_Clocks);
SysTick_Config(RCC_Clocks.HCLK_Frequency / 500);
/* Init I/O ports */
Init_GPIOs();
/* Initializes the LCD glass */
LCD_GLASS_Configure_GPIO();
LCD_GLASS_Init();
/* Display Welcome message */
LCD_GLASS_ScrollSentence(" ** TEMPERATURE SENSOR EXAMPLE ** ",1,SCROLL_SPEED);
/* Disable SysTick IRQ and SysTick Timer */
SysTick->CTRL &= ~ ( SysTick_CTRL_TICKINT_Msk | SysTick_CTRL_ENABLE_Msk );
/* Test user or factory temperature sensor calibration value */
if ( testFactoryCalibData() == SUCCESS ) getFactoryTSCalibData(&calibdata);
else if ( testUserCalibData() == SUCCESS ) calibdata = *USER_CALIB_DATA;
else {
/* User calibration or factory calibration TS data are not available */
calibdata.TS_CAL_1 = DEFAULT_COLD_VAL;
calibdata.TS_CAL_2 = DEFAULT_HOT_VAL;
writeCalibData(&calibdata);
calibdata = *USER_CALIB_DATA;
}
/* Configure Wakeup from sleep using RTC event*/
configureWakeup();
/* Configure direct memory access for ADC usage*/
configureDMA();
/* Configure ADC for temperature sensor value conversion */
configureADC_Temp();
while(1) {
/* Re-enable DMA and ADC conf and start Temperature Data acquisition */
acquireTemperatureData();
/* Stay in SLEEP mode untill the data are acquired by ADC */
__WFI();
/* for DEBUG purpose uncomment the following line and comment the __WFI call to do not enter STOP mode */
// while (!flag_ADCDMA_TransferComplete);
/* Disable ADC, DMA and clock*/
powerDownADC_Temper();
/* Process mesured Temperature data - calculate average temperature value in °C */
processTempData();
if (flag_UserButton == TRUE) {
clearUserButtonFlag();
if (CurrentlyDisplayed == Display_TemperatureDegC)
CurrentlyDisplayed = Display_ADCval;
else
CurrentlyDisplayed = Display_TemperatureDegC;
}
if (CurrentlyDisplayed == Display_TemperatureDegC) {
/* print average temperature value in °C */
sprintf(strDisp, "%d °C", temperature_C );
} else {
/* print result of ADC conversion */
sprintf(strDisp, "> %d", tempAVG );
}
LCD_GLASS_Clear();
LCD_GLASS_DisplayString( (unsigned char *) strDisp );
/* Enable RTC Wakeup */
RTC_WakeUpCmd(ENABLE);
/* Clear WakeUp flag */
PWR_ClearFlag(PWR_FLAG_WU);
/* Enter in wait for interrupt stop mode*/
PWR_EnterSTOPMode(PWR_Regulator_LowPower, PWR_STOPEntry_WFI);
RCC_Configuration(); // reinitialize clock
/* After Wake up : Disable Wake up from RTC*/
RTC_WakeUpCmd(DISABLE);
}
}
