Implemented charger protocol for can2

Core/Inc/stm32f1xx_it.h

@@ -57,6 +57,8 @@ void DebugMon_Handler(void);
 void PendSV_Handler(void);
 void SysTick_Handler(void);
 void OTG_FS_IRQHandler(void);
+void CAN1_RX0_IRQHandler(void);
+void CAN2_RX1_IRQHandler(void);
 /* USER CODE BEGIN EFP */
 
 /* USER CODE END EFP */