/**************************************************************************//**
* @brief Main function
*****************************************************************************/
int main(void)
{
TEMPSENS_Temp_TypeDef temp;
/* Chip revision alignment and errata fixes */
CHIP_Init();
/* Initialize LCD controller without boost */
SegmentLCD_Init(false);
I2C_Tempsens_Init();
/* Main loop - just read temperature and update LCD */
while (1)
{
if (TEMPSENS_TemperatureGet(I2C0,
TEMPSENS_DVK_ADDR,
&temp) < 0)
{
SegmentLCD_Write("ERROR");
/* Enter EM2, no wakeup scheduled */
EMU_EnterEM2(true);
}
/* Update LCD display */
temperatureUpdateLCD(&temp);
/* Read every 2 seconds which is more than it takes worstcase to */
/* finish measurement inside sensor. */
RTCDRV_Trigger(2000, NULL);
EMU_EnterEM2(true);
}
}
/**************************************************************************//**
* @brief Main function
*****************************************************************************/
int main(void)
{
I2C_Init_TypeDef i2cInit = I2C_INIT_DEFAULT;
TEMPSENS_Temp_TypeDef temp;
/* Define previous temp to invalid, just to ensure update first time */
TEMPSENS_Temp_TypeDef prevTemp = {1000, 0};
int prevShowFahrenheit = showFahrenheit;
/* Initialize DK board register access */
BSP_Init(BSP_INIT_DEFAULT);
/* If first word of user data page is non-zero, enable eA Profiler trace */
BSP_TraceProfilerSetup();
/* Initialize TFT */
RETARGET_SerialInit();
printf("\nEFM32 I2C temperature sensor example\n\n");
/* Enable board control interrupts */
BSP_InterruptDisable(0xffff);
BSP_InterruptFlagsClear(0xffff);
BSP_InterruptEnable(BC_INTEN_JOYSTICK);
temperatureIRQInit();
/* Initialize I2C driver, using standard rate. Devices on DK itself */
/* supports fast mode, but in case some slower devices are added on */
/* prototype board, we use standard mode. */
I2CDRV_Init(&i2cInit);
/* Main loop - just read temperature and update LCD */
while (1)
{
if (TEMPSENS_TemperatureGet(I2C0,
TEMPSENS_DK_ADDR,
&temp) < 0)
{
printf("ERROR\n");
/* Enter EM2, no wakeup scheduled */
EMU_EnterEM2(true);
}
/* Update LCD display if any change. This is just an example of how */
/* to save some energy, since the temperature normally is quite static. */
/* The compare overhead is much smaller than actually updating the display. */
if ((prevTemp.i != temp.i) ||
(prevTemp.f != temp.f) ||
(prevShowFahrenheit != showFahrenheit))
{
temperatureUpdate(&temp);
}
prevTemp = temp;
prevShowFahrenheit = showFahrenheit;
/* Read every 2 seconds which is more than it takes worstcase to */
/* finish measurement inside sensor. */
RTCDRV_Trigger(2000, NULL);
EMU_EnterEM2(true);
}
}
