void hal_deepsleep(void)
{
#if (defined(FSL_FEATURE_SOC_MCG_COUNT) && FSL_FEATURE_SOC_MCG_COUNT)
#if (defined(FSL_FEATURE_MCG_HAS_PLL) && FSL_FEATURE_MCG_HAS_PLL)
mcg_mode_t mode = CLOCK_GetMode();
#endif // FSL_FEATURE_MCG_HAS_PLL
#endif // FSL_FEATURE_SOC_MCG_COUNT
SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeAll);
PreEnterStopModes();
SMC_SetPowerModeVlps(SMC);
PostExitStopModes();
#if (defined(FSL_FEATURE_SOC_MCG_COUNT) && FSL_FEATURE_SOC_MCG_COUNT)
#if (defined(FSL_FEATURE_MCG_HAS_PLL) && FSL_FEATURE_MCG_HAS_PLL)
/*
* If enter stop modes when MCG in PEE mode, then after wakeup, the MCG is in PBE mode,
* need to enter PEE mode manually.
*/
if (mode == kMCG_ModePEE) {
BOARD_BootClockRUN();
}
#endif // FSL_FEATURE_MCG_HAS_PLL
#endif // FSL_FEATURE_SOC_MCG_COUNT
}
/*!
* @brief Application task function.
*
* This function runs the task for application.
*
* @return None.
*/
void APP_task(void)
{
usb_status_t error = kStatus_USB_Error;
if ((1 == s_cdcVcom.attach) && (1 == s_cdcVcom.startTransactions))
{
/* User Code */
if ((0 != s_recvSize) && (0xFFFFFFFFU != s_recvSize))
{
int32_t i;
/* Copy Buffer to Send Buff */
for (i = 0; i < s_recvSize; i++)
{
s_currSendBuf[s_sendSize++] = s_currRecvBuf[i];
}
s_recvSize = 0;
}
if (s_sendSize)
{
uint32_t size = s_sendSize;
s_sendSize = 0;
error = USB_DeviceSendRequest(s_cdcVcom.deviceHandle, USB_CDC_VCOM_BULK_IN_ENDPOINT, s_currSendBuf, size);
if (error != kStatus_USB_Success)
{
/* Failure to send Data Handling code here */
}
}
#if defined(FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED) && (FSL_FEATURE_USB_KHCI_KEEP_ALIVE_ENABLED > 0U) && \
defined(USB_DEVICE_CONFIG_KEEP_ALIVE_MODE) && (USB_DEVICE_CONFIG_KEEP_ALIVE_MODE > 0U) && \
defined(FSL_FEATURE_USB_KHCI_USB_RAM) && (FSL_FEATURE_USB_KHCI_USB_RAM > 0U)
if ((s_waitForDataReceive))
{
if (s_comOpen == 1)
{
/* Wait for all the packets been sent during opening the com port. Otherwise these packets may
* wake up the system.
*/
usb_echo("Waiting to enter lowpower ...\r\n");
for (uint32_t i = 0U; i < 16000000U; ++i)
{
__ASM("NOP"); /* delay */
}
s_comOpen = 0;
}
usb_echo("Enter lowpower\r\n");
USB0->INTEN &= ~USB_INTEN_TOKDNEEN_MASK;
SMC_SetPowerModeVlps(SMC);
s_waitForDataReceive = 0;
USB0->INTEN |= USB_INTEN_TOKDNEEN_MASK;
usb_echo("Exit lowpower\r\n");
}
#endif
}
#if USB_DEVICE_CONFIG_USE_TASK
USB_DeviceKhciTaskFunction(s_cdcVcom.deviceHandle);
#endif
}
/*!
* @brief main function
*/
int main(void)
{
int32_t currentTemperature = 0;
uint32_t updateBoundariesCounter = 0;
int32_t tempArray[UPDATE_BOUNDARIES_TIME * 2];
lowPowerAdcBoundaries_t boundaries;
/* Init hardware */
BOARD_InitPins();
BOARD_BootClockRUN();
BOARD_InitDebugConsole();
/* Init using Led in Demo app */
LED1_INIT();
LED2_INIT();
/* Set to allow entering vlps mode */
SMC_SetPowerModeProtection(SMC, kSMC_AllowPowerModeVlp);
/* Calibrate param Temperature sensor */
ADC16_CalibrateParams(DEMO_ADC16_BASEADDR);
/* Initialize Demo ADC */
if (!ADC16_InitHardwareTrigger(DEMO_ADC16_BASEADDR))
{
PRINTF("Failed to do the ADC init\r\n");
return -1;
}
PRINTF("\n\r ADC LOW POWER DEMO\n");
PRINTF("\r The Low Power ADC project is designed to work with the Tower System or in a stand alone setting\n\n");
PRINTF("\r 1. Set your target board in a place where the temperature is constant.\n");
PRINTF("\r 2. Wait until two Led light turns on.\n");
PRINTF("\r 3. Increment or decrement the temperature to see the changes.\n");
PRINTF("\r Wait two led on...\n\r");
/* setup the HW trigger source */
LPTMR_InitTriggerSourceOfAdc(DEMO_LPTMR_BASE);
ADC16_EnableDMA(DEMO_ADC16_BASEADDR, false);
NVIC_EnableIRQ(DEMO_ADC16_IRQ_ID);
/* Warm up microcontroller and allow to set first boundaries */
while (updateBoundariesCounter < (UPDATE_BOUNDARIES_TIME * 2))
{
while (!conversionCompleted)
{
}
currentTemperature = GetCurrentTempValue();
tempArray[updateBoundariesCounter] = currentTemperature;
updateBoundariesCounter++;
conversionCompleted = false;
}
/* Temp Sensor Calibration */
boundaries = TempSensorCalibration(updateBoundariesCounter, tempArray);
updateBoundariesCounter = 0;
/* Two LED is turned on indicating calibration is done */
LED1_ON();
LED2_ON();
/* Wait for user input before beginning demo */
PRINTF("\r Enter any character to begin...\n");
GETCHAR();
PRINTF("\r ---> OK! Main process is running...!\n");
while (1)
{
/* Prevents the use of wrong values */
while (!conversionCompleted)
{
}
/* Get current Temperature Value */
currentTemperature = GetCurrentTempValue();
/* Store temperature values that are going to be use to calculate average temperature */
tempArray[updateBoundariesCounter] = currentTemperature;
if (currentTemperature > boundaries.upperBoundary)
{
LED2_OFF();
LED1_ON();
}
else if (currentTemperature < boundaries.lowerBoundary)
{
LED2_ON();
LED1_OFF();
}
else
{
LED2_ON();
LED1_ON();
}
/* Call update function */
if (updateBoundariesCounter >= (UPDATE_BOUNDARIES_TIME))
{
boundaries = TempSensorCalibration(updateBoundariesCounter, tempArray);
updateBoundariesCounter = 0;
}
else
{
updateBoundariesCounter++;
}
/* Clear conversionCompleted flag */
conversionCompleted = false;
/* Enter to Very Low Power Stop Mode */
SMC_SetPowerModeVlps(SMC);
}
}
