// Timer einschalten und initialisieren
	
	// Ensure the timer is disabled (the TnEN bit is cleared) before making any changes.
	#define Timer_CTL_TAEN = 0x00;
	
	// Write the GPTM Configuration (GPTMCFG) register with a value of 0x4.	
	#define TIMER_A_CFG = 0x04;	//// 16-bit timer configuration.
		
	// In the GPTM Timer Mode (GPTMTnMR) register, write the TnCMR field to 0x1 and the TnMR field to 0x3.
	#define TIMER_A_TAMR = 0x07;
	
	// Configure the type of event that the timer captures by writing the TnEVENT field of the GPTM Control (GPTMCTL) register.
	#define TIMER_A_CTL = 0x04;	// Negative edge	
	
	// Load the timer start value into the GPTM Timern Interval Load (GPTMTnILR) register.
	#define TIMER_A_TAILR = 0xFFFFFFFF;

	// If interrupts are required, set the CnEIM bit in the GPTM Interrupt Mask (GPTMIMR) register.
	#define TIMER_A_IMR = 0x04;	// GPTM Capture A Event Interrupt Mask