void UserInit(void)
{
InitLED();
InitTempSensor();
InitFAN();
InitWorkTick();
//InitI2CMaster();
InitResultRx();
DetectAsics();
}//end UserInit
void UserInit(void)
{
mInitAllLEDs();
mInitAllSwitches();
old_sw2 = sw2;
old_sw3 = sw3;
InitTempSensor();
mInitPOT();
ResetTempLog();
temp_mode = TEMP_REAL_TIME;
#if defined(__18CXX)
/* Init Timer0 for data logging interval (every 1 second) */
T0CON = 0b10010111;
/* Timer0 is already enabled by default */
#elif defined(__C30__) || defined __XC16__
#endif
}//end UserInit
void SensorsTask(void)
{
// Array storing the status of each physical sensor.
// If a sensor fails to initialize, or fails 3 sensor reads in a row,
// it will be disabled here until the next system reboot
// 0 = tmp0
// 1 = tmp1
// 2 = tmp3
// 3 = humidity / air temp
// 4 = pressure
// 5 = accelerometer
uint8_t enabledSensors[7] = {3, 3, 3, 3, 3, 3, 3};
uint8_t i;
I2C_Status retVal = I2C_OK;
INFO("(SENSORS_TASK) I2C Sensor failed to initialize\r\n");
for(i = 0; i < 3; i++)
{
// If the temperature sensor initialized, set its enabled value to 3 (so it has 3 chances to respond to a read request)
// Else, disable the sensor
if(InitTempSensor(i) != I2C_OK)
{
I2C_Reset(SLB_I2C);
enabledSensors[i] = 0;
WARN("(SENSORS_TASK) I2C Sensor failed to initialize\r\n");
}
}
if(InitHumiditySensor() != I2C_OK)
{
I2C_Reset(ALB_I2C);
enabledSensors[3] = 0;
WARN("(SENSORS_TASK) Humidity sensor failed to initialize\r\n");
}
if(InitPressureSensor() != I2C_OK)
{
I2C_Reset(ALB_I2C);
enabledSensors[4] = 0;
WARN("(SENSORS_TASK) Pressure sensor failed to initialize\r\n");
}
if(InitAccelerometer() != I2C_OK)
{
I2C_Reset(ALB_I2C);
enabledSensors[5] = 0;
WARN("(SENSORS_TASK) Accelerometer failed to initialize\r\n");
}
// Let other tasks in the system warmup before entering the sensor polling loop
osDelay(2000);
// TODO: re-initialize the sensors once a day to check for failures and for sensors that have come back online
// TODO: report to the base station when a sensor fails
while(1)
{
for(i = 0; i < 3; i++)
{
if(enabledSensors[i] > 0)
{
switch(i)
{
case 0:
retVal = ReadTempSensor(0, &sensorData.temp0);
break;
case 1:
retVal = ReadTempSensor(1, &sensorData.temp1);
break;
case 2:
retVal = ReadTempSensor(2, &sensorData.temp2);
break;
default:
retVal = ReadTempSensor(0, &sensorData.temp0);
break;
}
// If the sensor read failed, indicate that the sensor has one less chance to respond correctly before being disabled
if(retVal != I2C_OK)
{
I2C_Reset(SLB_I2C);
enabledSensors[i]--;
WARN("(SENSORS_TASK) Temp sensor read failed\r\n");
}
// The sensor is still alive! Restore it to a full 3 chances to respond
else if(enabledSensors[i] != 3)
{
enabledSensors[i] = 3;
DEBUG("(SENSORS_TASK) Temp sensor connection restored\r\n");
}
}
}
if(enabledSensors[3] > 0)
{
do {
if(ReadHumiditySensor(&sensorData.humid) != I2C_OK)
{
I2C_Reset(ALB_I2C);
enabledSensors[3]--;
WARN("(SENSORS_TASK) Humidity sensor read failed\r\n");
break;
}
else if(enabledSensors[3] != 3)
{
enabledSensors[3] = 3;
DEBUG("(SENSORS_TASK) Humidity sensor connection restored\r\n");
}
if(ReadAirTempSensor(&sensorData.tempAir) != I2C_OK)
{
I2C_Reset(ALB_I2C);
enabledSensors[3]--;
WARN("(SENSORS_TASK) Air temp sensor read failed\r\n");
}
else if(enabledSensors[3] != 3)
{
enabledSensors[3] = 3;
DEBUG("(SENSORS_TASK) Air temp sensor connection restored\r\n");
}
}
while(0);
}
if(enabledSensors[4] > 0)
{
if(ReadPressureSensor(&sensorData.alt) != I2C_OK)
{
I2C_Reset(ALB_I2C);
enabledSensors[4]--;
WARN("(SENSORS_TASK) Altimeter sensor read failed\r\n");
}
}
if(enabledSensors[5] > 0)
{
uint16_t x, y, z;
if(ReadAccelerometer(&x, &y, &z) != I2C_OK)
{
I2C_Reset(ALB_I2C);
enabledSensors[5]--;
WARN("(SENSORS_TASK) Accelerometer sensor read failed\r\n");
}
DEBUG("X: %d, Y: %d, Z: %d", x, y, z);
}
ReadSoilMoisture(&sensorData.moist0, &sensorData.moist1, &sensorData.moist2);
// Send sensor Data to the base station
SendSensorData();
osDelay(pollingRate);
}
}
void main(void)
{
//
// Step 1. Initialize System Control:
// PLL, WatchDog, enable Peripheral Clocks
// This example function is found in the F2837xS_SysCtrl.c file.
//
InitSysCtrl();
//
// Step 2. Initialize GPIO:
// This example function is found in the F2837xS_Gpio.c file and
// illustrates how to set the GPIO to it's default state.
//
InitGpio(); // Skipped for this example
//
// Step 3. Clear all interrupts and initialize PIE vector table:
// Disable CPU interrupts
//
DINT;
//
// Initialize the PIE control registers to their default state.
// The default state is all PIE interrupts disabled and flags
// are cleared.
// This function is found in the F2837xS_PieCtrl.c file.
//
InitPieCtrl();
//
// Disable CPU interrupts and clear all CPU interrupt flags:
//
IER = 0x0000;
IFR = 0x0000;
//
// Initialize the PIE vector table with pointers to the shell Interrupt
// Service Routines (ISR).
// This will populate the entire table, even if the interrupt
// is not used in this example. This is useful for debug purposes.
// The shell ISR routines are found in F2837xS_DefaultIsr.c.
// This function is found in F2837xS_PieVect.c.
//
InitPieVectTable();
//
// Map ISR functions
//
EALLOW;
PieVectTable.ADCA1_INT = &adca1_isr; //function for ADCA interrupt 1
EDIS;
//
// Configure the ADC and power it up
//
ConfigureADC();
//
// Initialize the temperature sensor
// Note: The argument needs to change if using a VREFHI voltage other than 3.0V
//
InitTempSensor(3.0);
//
// Configure the ePWM
//
ConfigureEPWM();
//
// Setup the ADC for ePWM triggered conversions on temperature sensor
//
SetupADCEpwm();
//
// Enable global Interrupts and higher priority real-time debug events:
//
IER |= M_INT1; //Enable group 1 interrupts
EINT; // Enable Global interrupt INTM
ERTM; // Enable Global realtime interrupt DBGM
//
// enable PIE interrupt
//
PieCtrlRegs.PIEIER1.bit.INTx1 = 1;
//
// sync ePWM
//
EALLOW;
CpuSysRegs.PCLKCR0.bit.TBCLKSYNC = 1;
//
// start ePWM
//
EPwm1Regs.ETSEL.bit.SOCAEN = 1; //enable SOCA
EPwm1Regs.TBCTL.bit.CTRMODE = 0; //unfreeze, and enter up count mode
//
// take conversions indefinitely in loop
//
while(1);
}
