/*!
* @Brief enable the trigger source of LPTimer
*/
void init_trigger_source(uint32_t adcInstance)
{
uint32_t freqUs;
lptmr_user_config_t lptmrUserConfig =
{
.timerMode = kLptmrTimerModeTimeCounter,
.freeRunningEnable = false,
.prescalerEnable = false, // bypass perscaler
#if (CLOCK_INIT_CONFIG == CLOCK_VLPR)
// use MCGIRCCLK, 4M or 32KHz
.prescalerClockSource = kClockLptmrSrcMcgIrClk,
#else
// Use LPO clock 1KHz
.prescalerClockSource = kClockLptmrSrcLpoClk,
#endif
.isInterruptEnabled = false
};
// Init LPTimer driver
LPTMR_DRV_Init(0, &gLPTMRState, &lptmrUserConfig);
// Set the LPTimer period
freqUs = 1000000U/(INPUT_SIGNAL_FREQ*NR_SAMPLES)*2;
LPTMR_DRV_SetTimerPeriodUs(0, freqUs);
// Start the LPTimer
LPTMR_DRV_Start(0);
// Configure SIM for ADC hw trigger source selection
#if defined(KM34Z7_SERIES)
SIM_HAL_EnableClock(gSimBase[0], kSimClockGateXbar0);
SIM_HAL_SetAdcTrgSelMode(gSimBase[0], kSimAdcTrgSelXbar);
XBAR_DRV_ConfigSignalConnection(kXbaraInputLPTMR0_Output, kXbaraOutputADC_TRGA);
#else
SIM_HAL_SetAdcAlternativeTriggerCmd(gSimBase[0], adcInstance, true);
SIM_HAL_SetAdcPreTriggerMode(gSimBase[0], adcInstance, kSimAdcPretrgselA);
SIM_HAL_SetAdcTriggerMode(gSimBase[0], adcInstance, kSimAdcTrgSelLptimer);
#endif
}
/*!
* @Brief disable the trigger source
*/
void deinit_trigger_source(uint32_t adcInstance)
{
LPTMR_DRV_Stop(0);
LPTMR_DRV_Deinit(0);
}
/*!
* @Brief enable the trigger source of LPTimer
*/
void init_trigger_source(uint32_t adcInstance)
{
uint32_t freqUs;
lptmr_user_config_t lptmrUserConfig =
{
.timerMode = kLptmrTimerModeTimeCounter,
.freeRunningEnable = false,
.prescalerEnable = false, // bypass perscaler
.prescalerClockSource = kClockLptmrSrcMcgIrClk, // use MCGIRCCLK, 4M or 32KHz
.isInterruptEnabled = false
};
// Init LPTimer driver
LPTMR_DRV_Init(0, &lptmrUserConfig, &gLPTMRState);
// Set the LPTimer period
freqUs = 1000000U/(INPUT_SIGNAL_FREQ*NR_SAMPLES)*2;
LPTMR_DRV_SetTimerPeriodUs(0, freqUs);
// Start the LPTimer
LPTMR_DRV_Start(0);
// Configure SIM for ADC hw trigger source selection
SIM_HAL_SetAdcAlternativeTriggerCmd(gSimBase[0], adcInstance, true);
SIM_HAL_SetAdcPreTriggerMode(gSimBase[0], adcInstance, kSimAdcPretrgselA);
SIM_HAL_SetAdcTriggerMode(gSimBase[0], adcInstance, kSimAdcTrgSelLptimer);
}
/*!
* @Brief disable the trigger source
*/
void deinit_trigger_source(uint32_t adcInstance)
{
LPTMR_DRV_Stop(0);
LPTMR_DRV_Deinit(0);
}
void Application()
{
uint32_t minutes=0, hours=0, samples=0, arrayIndex=0;
static state_t currentState = RECEIVE_CONFIG;
static uint32_t sendPeriodHours, samplesPerHour,minutesLeaveIdle;
static uint32_t distanceSamplesArray[MAX_ALLOWED_SEND_PERIOD_HOURS];
static message_t messageType = SAMPLES;
static uint16_t distance;
static uint8_t HTTP_BUFFER[256];
static float temperature;
static SIM800L_error_t exitCode;
static MMA8451_state_t boardState;
uint8_t fullAlarmSent = 0, fireAlarmSent = 0, fallAlarmSent = 0;
while(1)
{
switch(currentState)
{
case RECEIVE_CONFIG:
RECEIVE_CONFIG_TASK(&sendPeriodHours,&samplesPerHour,&minutesLeaveIdle);
currentState = IDLE;
break;
case IDLE:
LPTMR_DRV_SetTimerPeriodUs(LPTMR_0_IDX,LPTMR_INTERRUPT_PERIOD_US);
LPTMR_DRV_Start(LPTMR_0_IDX);
CONSOLE_INIT();
CONSOLE_SEND("TO IDLE...\r\n",12);
/*PROCESSOR IN LOW POWER MODE*/
POWER_SYS_SetWakeupModule(kLlwuWakeupModule0,true);
if( POWER_SYS_SetMode(1,kPowerManagerPolicyAgreement) != kPowerManagerSuccess)
{
GPIO_DRV_ClearPinOutput(LEDRGB_RED);
}
/*AFTER LLWU INTERRUPT*/
GPIO_DRV_TogglePinOutput(LEDRGB_BLUE);
minutes++;
currentState = MEASURE_TEMPERATURE;
break;
case MEASURE_TEMPERATURE: /*EVERY MINUTE*/
LM35_INIT();
temperature = LM35_GET_TEMPERATURE_CELSIUS();
LM35_DEINIT();
MMA8451Q_INIT();
/*TIME TO MEASURE DISTANCE*/
if(minutes == minutesLeaveIdle)
{
minutes=0;
currentState = MEASURE_DISTANCE;
}
else
{
currentState = IDLE;
}
/*CONTAINER FALL*/
if ( (boardState = MMA8451_GET_STATE(MMA8451_VERTICAL)) == MMA8451_FALL)
{
if(!fallAlarmSent)
{
messageType = FALL_ALARM;
currentState = SEND_DATA;
}
}
else
{
/*CONTAINER AGAIN IN ITS RIGHT PLACE*/
if(fallAlarmSent)
{
fallAlarmSent = 0;
}
}
/*EXTREME CASE: SET FIRE ALARM*/
if(temperature > TEMPERATURE_THRESHOLD)
{
if(!fireAlarmSent)
{
messageType = FIRE_ALARM;
currentState = SEND_DATA;
}
}
else
{ /*TEMPERATURE WENT DOWN*/
if(fireAlarmSent)
{
fireAlarmSent = 0;
}
}
break;
case MEASURE_DISTANCE:
MB7360_INIT();
MB7360_START_RANGING();
distance = MB7360_GET_DISTANCE_MM();
MB7360_DEINIT();
/*ONE HOUR LAPSE*/
if (++samples == samplesPerHour)
{
samples = 0;
distanceSamplesArray[arrayIndex++] = distance;
/*SEND PERIOD HOUR LAPSE: TIME TO SEND DATA*/
if(++hours == sendPeriodHours)
{
hours = 0;
arrayIndex = 0;
LPTMR_DRV_Stop(LPTMR_0_IDX);
messageType = SAMPLES;
currentState = SEND_DATA;
}
else
{
currentState = IDLE;
}
}
else
{
currentState = IDLE;
}
/*EXTREME CASE: SET FULL ALARM*/
if(distance < DISTANCE_THRESHOLD)
{
if(!fullAlarmSent)
{
messageType = FULL_ALARM;
currentState = SEND_DATA;
}
}
else
{ /*COINTAINER EMPTY AGAIN, PREPARE FOR NEXT FULL ALARM*/
if(fullAlarmSent)
{
fullAlarmSent = 0;
}
}
break;
case SEND_DATA:
switch( exitCode = SEND_DATA_GPRS_TASK(messageType, distanceSamplesArray,sendPeriodHours) )
{
case SIM800L_SUCCESS_GPRS:
switch(messageType)
{
case SAMPLES:
CONSOLE_SEND("SAMPLES SENT - GPRS\r\n",21);
break;
case FULL_ALARM:
CONSOLE_SEND("FULL ALARM SENT - GPRS\r\n",24);
fullAlarmSent = 1;
break;
case FIRE_ALARM:
CONSOLE_SEND("FIRE ALARM SENT - GPRS\r\n",24);
fireAlarmSent = 1;
break;
case FALL_ALARM:
CONSOLE_SEND("FALL ALARM SENT - GPRS\r\n",24);
fallAlarmSent = 1;
break;
default:
break;
}
break;
case SIM800L_NO_GPRS:
switch( exitCode = SEND_DATA_SMS_TASK(messageType, distanceSamplesArray,sendPeriodHours))
{
case SIM800L_SUCCESS_SMS:
switch(messageType)
{
case SAMPLES:
CONSOLE_SEND("SAMPLES SENT - SMS\r\n",2);
break;
case FULL_ALARM:
CONSOLE_SEND("FULL ALARM SENT - SMS\r\n",23);
fullAlarmSent = 1;
break;
case FIRE_ALARM:
CONSOLE_SEND("FIRE ALARM SENT - SMS\r\n",23);
fireAlarmSent = 1;
break;
case FALL_ALARM:
CONSOLE_SEND("FALL ALARM SENT - SMS\r\n",23);
fallAlarmSent = 1;
break;
default:
break;
}
break;
default:
CONSOLE_SEND("COULD NOT SEND SMS\r\n",20);
break;
}
break;
/*NO GPRS OR SMS*/
default:
CONSOLE_SEND("COULD NOT SEND DATA\r\n",21);
break;
}
currentState = IDLE;
break;
default:
break;
}
}
}
