initsys.c

F2812 不同的SPI(温度 EEPROM 时钟)外设通讯程序

#include "InitSys.h"

void InitSys()
{
	EALLOW;
    SysCtrlRegs.WDCR = 0x68; //DISABLE WD;

	SysCtrlRegs.PLLCR.bit.DIV = 10;        //PLL

	SysCtrlRegs.HISPCP.all = 0x0001;
    SysCtrlRegs.LOSPCP.all = 0x0002;
   	
// Peripheral clock enables set for the selected peripherals.   
   SysCtrlRegs.PCLKCR.bit.EVAENCLK=1;
   SysCtrlRegs.PCLKCR.bit.EVBENCLK=1;
   SysCtrlRegs.PCLKCR.bit.SCIAENCLK=1;
   SysCtrlRegs.PCLKCR.bit.SCIBENCLK=1;
   SysCtrlRegs.PCLKCR.bit.MCBSPENCLK=1;
   SysCtrlRegs.PCLKCR.bit.SPIENCLK=1;
   SysCtrlRegs.PCLKCR.bit.ECANENCLK=1;
   SysCtrlRegs.PCLKCR.bit.ADCENCLK=1;
}