Exemple #1
0
//Initialize system
void Init()
{
	unsigned int		i;

	IFG1 &= ~OFIFG;

	// Stop watchdog timer to prevent time out reset
    WDTCTL = WDTPW + WDTHOLD;

	//Adjust DCO frequency
//    //DCOCTL	= DCO0 + DOC1 +DOC2;
//	DCOCTL	= 0x80;
//	BCSCTL1	= XT2OFF + RSEL0 + RSEL1 + RSEL2;
//	BCSCTL2	= 0;

	//调整DCO的频率
	DCOCTL = 0xE0;

	//切换MCLK到外部高速晶振(需要检测是否起振)
	//BCSCTL1 &= ~XT2OFF;		//启动高速晶振
	BCSCTL1 = RSEL0 + RSEL1 + RSEL2;

	do
	{
		//清除振荡器失效标志位,再延迟检查
		IFG1 &= ~OFIFG;
		for (i = 0; i < 1000; i++)
		{
			__no_operation();
		}
	} while (IFG1 & OFIFG);

	//使用XT2, SMCLK = MCLK = 8MHz
	BCSCTL2 = SELM1 + SELS;

	//允许外部振荡器失效后,重启系统
	IE1 |= OFIE;


	InitPort();

	InitUART();

	InitADC();

	InitSPI();

	InitRF();

	InitSensors();

	InitTimer();


	ShutdownModule();
}
void InitIMU(void)
{
	InitSensors();
	int16_t gyroADC[3];
	
	//Calibration
	for (int i = 0; i< 600; i++)
	{
		GetGyroData(gyroADC);
		delay(1);
	}
}