Added Watchdog timer logic in main file

main.c

@@ -1,3 +1,5 @@
+#include "ti/driverlib/dl_wwdt.h"
+#include "ti/driverlib/m0p/dl_core.h"
 #include "ti_msp_dl_config.h"
 #include "src/pi/i2c_pi_target.h"
 #include "src/controller/controller.h"
@@ -8,8 +10,11 @@
 #include "src/battery_data/battery.h"
 #include "mock_setup.h"
 
+
+//define the varibales:
 volatile bool mcuSendCommand = false;
 volatile bool picommandPending = false;
+volatile bool watchdog_triggered= false;
 
 // Interrupt for I2C instance -> MCU to Target
 
@@ -32,6 +37,7 @@ void I2C_1_INST_IRQHandler(void)
         case DL_I2C_IIDX_CONTROLLER_TXFIFO_TRIGGER:
             /* Fill TX FIFO with bytes to send */
             mcuSendCommand = true;
+            
             break;
         case DL_I2C_IIDX_CONTROLLER_STOP:
             mcuSendCommand = true;
@@ -75,46 +81,81 @@ void I2C_0_INST_IRQHandler(void)
     }
 }
 
-int main(void)
+//interrupt added for Windows Watchdog Timer:
+void GROUP0_IRQHandler(void)
 {
+    switch (DL_Interrupt_getPendingGroup(DL_INTERRUPT_GROUP_0)) {
+        case DL_INTERRUPT_GROUP0_IIDX_WWDT0:
+            if (DL_WWDT_getPendingInterrupt(WWDT0)) {
+                //Clears the interrupt
+                DL_WWDT_clearInterruptStatus(WWDT0);
+                //Resets the timer:
+                DL_WWDT_reset(WWDT0);
+                //Set the flag to True
+                watchdog_triggered= true;
+                //how to handle in the case of failure?
+            }
+        default:
+            break;
+    }
+}
+
+int main(void)
+{  
     SYSCFG_DL_init();
     Battery_Init();
+    //dynamic addressing function call for Pi
+    dynamic_gpio_addressing();
+    /* Enable WWDT interrupts on device */
+    NVIC_EnableIRQ(WWDT0_INT_IRQN);
     //Interrupt routine for Pi
     NVIC_EnableIRQ(I2C_0_INST_INT_IRQN);
     //Interrupt for target mcu
     NVIC_EnableIRQ(I2C_1_INST_INT_IRQN);
-    
+    //DL_GPIO_setPins(GPIO_Battery_Discharging_PORT, GPIO_Battery_Discharging_PIN_PB7_PIN);
     while(1)
-    { 
+    {   
+        if(watchdog_triggered){
+            printf("ERROR: ***WATCHDOG TRIGGERED***\n");
+            //Resetting the flags to its original state
+            picommandPending= false;
+            mcuSendCommand= false;
+            watchdog_triggered= false;
+            //Reinitialize the system
+            
+
+
+        }
+
         if(picommandPending)
         {   printf("Pi Interrupt Triggered.\n");
             pi_i2c_mcu();
             picommandPending = false;
         }
-        if(mcuSendCommand)
-        {   printf("MCU Interrupt Triggered.\n");
-            controller_GetBatteryMeasurement(TARGET_MCU_ADDRESS, 0);
-            //test_Controller_SetCurrent();
-            //test_Controller_GetBatteryMeasurement();
-            //controller_SetCurrent(TARGET_MCU_ADDRESS, 0 , 90);
+        if(mcuSendCommand){   
+            printf("MCU Interrupt Triggered.\n");
+            for(uint8_t i=0; i<NUM_SLOTS; i++){
+                controller_GetBatteryMeasurement(TARGET_MCU_ADDRESS, i);
+            }
             mcuSendCommand = false;
+            
         }
-        for(uint8_t slot_id= 0; slot_id<NUM_SLOTS; slot_id++){
+        
+        for(uint8_t slot_id= 0; slot_id< NUM_SLOTS; slot_id++){
             //Reading battery state:
             Battery_ReadState(slot_id);
-            //Reading CC CV Charging:
-            //charge_current: 50
-            CC_CV_ControlCharging(slot_id, 50);
-            //Battery Measurement:
-            /*printf("*** Battery Details: Slot: %u, Voltage:%u, Current: %u, Temperature:%u, Slot State:%u ***\n",
-            slot_id, battery_data[slot_id].battery_measurement.voltage, battery_data[slot_id].battery_measurement.current, battery_data[slot_id].battery_measurement.temperature,
-            battery_data[slot_id].battery_measurement.slot_state);*/
-            //controller_EvaluateBatterySlotState(slot_id, &battery_data[slot_id].battery_measurement);
-            
-            /*printf("*** Battery Limits: Slot: %d, Max Voltage:%u, Min Voltage:%u, "
-           "Cutoff Current: %u, Capacitance:%u, Charge Fraction:%u ***\n", slot_id, battery_data[slot_id].max_voltage,
-           battery_data[slot_id].min_voltage, battery_data[slot_id].cut_off_current,
-           battery_data[slot_id].capacitance, battery_data[slot_id].charge_fraction);*/
+            printf("STATUS ***Reading Battery Measurement for Slot ID %u:: Battery State: %u, Voltage: %u, Current: %u, Temperature: %u, Slot state: %u***\n", slot_id, battery_data[slot_id].battery_state, battery_data[slot_id].battery_measurement.voltage,
+            battery_data[slot_id].battery_measurement.current, battery_data[slot_id].battery_measurement.temperature, battery_data[slot_id].battery_measurement.slot_state);
+            //If target received battery limits from Pi then start charging:       
+            if(battery_data[slot_id].batteryLimitReceived){
+                printf("STATUS ***Battery Limits: Slot: %d, Max Voltage:%u, Min Voltage:%u, "
+                "Cutoff Current: %u, Capacitance:%u, Charge Fraction:%u***\n", slot_id, battery_data[slot_id].max_voltage,
+                battery_data[slot_id].min_voltage, battery_data[slot_id].cut_off_current,
+                battery_data[slot_id].capacitance, battery_data[slot_id].charge_fraction);
+                CC_CV_ControlCharging(slot_id, 50);
+            }
+     
+            delay_cycles(MEASUREMENT_CHECK_INTERVAL);
         
         }